JP2003137308A - Easy-to-unseal flexible packaging bag - Google Patents
Easy-to-unseal flexible packaging bagInfo
- Publication number
- JP2003137308A JP2003137308A JP2001334368A JP2001334368A JP2003137308A JP 2003137308 A JP2003137308 A JP 2003137308A JP 2001334368 A JP2001334368 A JP 2001334368A JP 2001334368 A JP2001334368 A JP 2001334368A JP 2003137308 A JP2003137308 A JP 2003137308A
- Authority
- JP
- Japan
- Prior art keywords
- packaging bag
- flexible packaging
- cutting
- base film
- film layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Bag Frames (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、香辛料や食品類や
詰替え洗剤などを幅広く収容する、三方シール式や竪型
シール式( スタンディングパウチと通称する )などの、
従来のI字状やV字状などの切断開始切欠きdを設けて
いない、引裂かれる方向が曲る恐れがない開封が容易な
軟質包装袋に関する。TECHNICAL FIELD The present invention relates to a three-way seal type or a vertical seal type (commonly referred to as a standing pouch) for accommodating a wide range of spices, foods, refill detergents, etc.
The present invention relates to a flexible packaging bag which is not provided with a conventional cut start notch d such as an I-shape or a V-shape and is easy to open without fear of bending the tearing direction.
【0002】[0002]
【従来の技術】従来から、外面側から少なくともベース
フィルム層2とシーラント層4とを積層して、また必要
に応じてバリアー層3などを中間に積層して、周辺部を
熱融着して成る、つまみや香辛料などを手軽に収容す
る、図2Aに示すやや小型の三方シール式などの軟質包
装袋20であって、この軟質包装袋20の周辺熱融着部
21に、I字状などの切断開始切欠きdを設けて、また
軟質包装袋20の切断開始切欠きdの延長線上の非熱融
着部分に、ベースフィルム層2のみを貫通した、破線状
( ミシン目状とも言う、以下同じ )又は実線状の切断継
続傷加工bを施した開封が容易な軟質包装袋が、一般に
広く用いられている。2. Description of the Related Art Conventionally, at least a base film layer 2 and a sealant layer 4 are laminated from the outer surface side, and if necessary, a barrier layer 3 and the like are laminated in the middle, and the peripheral portion is heat-sealed. 2A, which is a soft packaging bag 20 of a slightly smaller size such as a three-sided seal type that easily stores knobs, spices, and the like. The cut start cutout d is provided, and the non-heat-bonded portion on the extension line of the cut start cutout d of the flexible packaging bag 20 penetrates only the base film layer 2 and has a broken line shape.
A soft packaging bag that is easy to open and that has been subjected to continuous continuous cutting processing b of a solid line (also referred to as a perforation) is widely used.
【0003】また従来から、同様に外面側から少なくと
もベースフィルム層2とシーラント層4とを積層して、
また必要に応じてバリアー層3などを中間に積層して、
周辺部を熱融着して成る、菓子や食品類などを幅広く収
容する、図2Bに示す通常の三方シール式などの軟質包
装袋20であって、また調味料や詰替え洗剤などを収容
する、図2Dに示す注出口付の竪型シール式( スタンデ
ィングパウチ )などの軟質包装袋20であって、この軟
質包装袋20の( 注出口の )周辺熱融着部21の相対す
る2個所に、V字状などの切断開始切欠きd ,dを設け
て、また軟質包装袋20の切断開始切欠きd ,dを結ぶ
線上の非熱融着部分に、ベースフィルム層2のみを貫通
した、破線状又は実線状の切断継続傷加工bを施した開
封が容易な軟質包装袋が、一般に広く用いられている。Further, conventionally, at least the base film layer 2 and the sealant layer 4 are similarly laminated from the outer surface side,
If necessary, a barrier layer 3 or the like may be laminated in the middle,
The soft packaging bag 20 shown in FIG. 2B, which is formed by heat-sealing the peripheral portion and widely stores confectioneries, foods, etc., such as a normal three-sided seal type, also stores seasonings, refill detergents, and the like. 2D shows a flexible packaging bag 20 such as a vertical seal type (standing pouch) with a spout shown in FIG. 2D, which is provided at two opposite positions of the peripheral heat-sealing portion 21 (of the spout) of the flexible packaging bag 20. , V-shaped cutting start notches d 1 and d 2 are provided, and only the base film layer 2 is penetrated into the non-heat-bonded portion on the line connecting the cutting start notches d 1 and d 2 of the flexible packaging bag 20, A soft packaging bag that has been subjected to a continuous cutting process b with a broken line or a solid line and that is easy to open is widely used.
【0004】[0004]
【発明が解決しようとする課題】ところが従来の、図2
A ,B ,Dに示す開封が容易な軟質包装袋については、
I字状やV字状などの切断開始切欠きdに指を掛けて、
やや強く引裂くだけで、簡単に破線状又は実線状の切断
継続傷加工bを切断して、容易に開封することができる
軟質包装袋20であるものの、軟質包装袋20の周辺部
の熱融着工程で同時に、金属刃などの機械的な方法で設
けるI字状やV字状などの切断開始切欠きdと、軟質包
装袋20のベースフィルム層2の印刷工程やシーラント
層4との積層工程などの前後に、金属刃などの機械的な
方法又は炭酸ガスレーザーなどの熱的な方法で施す破線
状又は実線状の切断継続傷加工bとの、延長線上又は結
ぶ線上の位置が一致( 連続 )しないことが問題であっ
て、例えば図2Cに示すように、切断開始切欠きd ,d
に指を掛けて引裂いても、位置が一致( 連続 )していな
い切断継続傷加工bが切断されないことがあって、引裂
かれる方向が曲って、軟質包装袋20が開封し難いこと
が多くて、また内容物をこぼしたり手を汚したりするこ
とが多かった。However, as shown in FIG.
Regarding the flexible packaging bags shown in A, B, and D that are easy to open,
Put your finger on the cut start cutout d such as I-shape or V-shape,
Although it is a soft packaging bag 20 that can be easily opened by cutting the broken continuous or continuous line cutting continuous b by simply tearing it slightly, heat fusion of the peripheral portion of the soft packaging bag 20 is possible. Simultaneously with the process, a cutting start notch d such as an I-shape or V-shape provided by a mechanical method such as a metal blade, a printing process of the base film layer 2 of the flexible packaging bag 20 and a laminating process of the sealant layer 4 Before and after, etc., use a mechanical method such as a metal blade or a thermal method such as carbon dioxide gas laser to perform continuous cutting on a broken line or a solid line. ) Is not a problem, for example, as shown in FIG.
Even if you put your finger on it and tear it, the continuous cutting process b that is not in the same position (continuous) may not be cut, and the direction in which it is torn is bent, making it difficult to open the flexible packaging bag 20. Often, the contents were spilled or the hands were soiled.
【0005】そこで、本発明の目的は、香辛料や食品類
や詰替え洗剤などを幅広く収容する、三方シール式や竪
型シール式( スタンディングパウチ )などの、従来のI
字状やV字状などの切断開始切欠きdに替えて、延長線
上又は結ぶ線上の位置が完全に一致した、シーラント層
4を残して少なくともベースフィルム層2( とバリアー
層3と )を貫通した切断開始傷加工aと、ベースフィル
ム層2のみを貫通した切断継続傷加工bとを、連続して
施した、また少なくともベースフィルム層2と( バリア
ー層3と )シーラント層4との全層を貫通した切断加工
cと、前述した切断開始傷加工aと切断継続傷加工bと
を、連続して施した、引裂かれる方向が曲る恐れがない
開封が容易な軟質包装袋を提供することにある。Therefore, an object of the present invention is to provide a conventional I type, such as a three-way seal type or a vertical seal type (standing pouch), which accommodates a wide range of spices, foods, refill detergents, and the like.
Instead of the cutting start notch d having a V-shape or the like, the position on the extension line or the connecting line is completely matched, and at least the base film layer 2 (and the barrier layer 3) is left, leaving the sealant layer 4. The cutting start scratch processing a and the continuous cutting scratch processing b that penetrates only the base film layer 2 are continuously applied, and at least all layers of the base film layer 2 and the (barrier layer 3) and the sealant layer 4 are formed. To provide a flexible packaging bag that is easy to open and that has a cutting process c that penetrates through the cutting process, a cutting start scratching process a, and a cutting continuing scratching process b described above that are continuously applied and that does not have a risk of bending in a tearing direction. It is in.
【0006】[0006]
【課題を解決するための手段】本発明の、請求項1に記
載の開封が容易な軟質包装袋は、図1A ,Bに示すよう
に、外面側から少なくともベースフィルム層2とシーラ
ント層4とを積層して、周辺部を熱融着して成る各種形
状( 図1Aでは三方シール式 )の軟質包装袋20であっ
て、この軟質包装袋20の周辺熱融着部21に、シーラ
ント層4を残して少なくともベースフィルム層2を貫通
した、実線状又は破線状( 図1Aでは破線状 )の切断開
始傷加工aを施して、また軟質包装袋20の切断開始傷
加工aの延長線上の非熱融着部分に、ベースフィルム層
2のみを貫通した、破線状又は実線状( 図1Aでは破線
状 )の切断継続傷加工bを、切断開始傷加工aに連続し
て施したことを特徴とする開封が容易な軟質包装袋であ
る。The flexible packaging bag according to the present invention, which is easy to open, has at least a base film layer 2 and a sealant layer 4 from the outer surface side as shown in FIGS. 1A and 1B. A flexible packaging bag 20 having various shapes (three-sided seal type in FIG. 1A) formed by stacking and laminating the peripheral portion, and the sealant layer 4 is provided on the peripheral thermal fusion bonding portion 21 of the flexible packaging bag 20. The cutting start scratch processing a in the form of a solid line or a broken line (broken line in FIG. 1A), which penetrates at least the base film layer 2 and leaves the non-extension line of the cutting start scratch processing a of the flexible packaging bag 20. In the heat-sealing portion, a continuous cutting process b of a broken line or a solid line (broken line in FIG. 1A) penetrating only the base film layer 2 is continuously applied to the cutting start scratch process a. It is a flexible packaging bag that can be easily opened.
【0007】本発明の、請求項1に記載の開封が容易な
軟質包装袋においては、軟質包装袋20の周辺熱融着部
21に、シーラント層4を残して少なくとも引裂き強度
などが優れたベースフィルム層2を貫通した、実線状又
は破線状の切断開始傷加工aを施して、また軟質包装袋
20の切断開始傷加工aの延長線上の非熱融着部分に、
引裂き強度などが優れたベースフィルム層2のみを貫通
した、破線状又は実線状の切断継続傷加工bを、切断開
始傷加工aに連続して施したことによって、実線状又は
破線状の切断開始傷加工aに指を掛けて、やや強く引裂
くだけで、簡単に破線状又は実線状の切断継続傷加工b
を切断して、容易に開封することができる、しかも延長
線上の位置が完全に一致した、シーラント層4を残して
少なくともベースフィルム層2を貫通した切断開始傷加
工aと、ベースフィルム層2のみを貫通した切断継続傷
加工bとを、連続して施したために、引裂かれる方向が
曲る恐れがない開封が容易な軟質包装袋を提供すること
ができる。In the flexible packaging bag of the present invention according to claim 1, which is easy to open, the base having excellent tear strength and the like, leaving the sealant layer 4 on the peripheral heat-sealing portion 21 of the flexible packaging bag 20. A solid line or broken line cutting start scratch processing a that penetrates the film layer 2 is applied, and also to the non-heat-sealed portion on the extension line of the cutting start scratch processing a of the flexible packaging bag 20,
By continuously performing the continuous cutting process b, which is a broken line or a solid line, which penetrates only the base film layer 2 having excellent tear strength, the cutting start scratch process a is continuously performed to start a continuous line or a broken line. Simply by putting your finger on the scratch processing a and tearing it slightly strongly, you can easily continue cutting with a broken line or solid line b
Cutting start scratch processing a which penetrates at least the base film layer 2 with the sealant layer 4 left, which can be easily opened and easily opened, and whose positions on the extension line completely match, and only the base film layer 2 It is possible to provide a flexible packaging bag that can be easily opened without fear of bending in the tearing direction because the continuous cutting process b through which the continuous cutting is performed is continuously applied.
【0008】しかも、本発明の、請求項1に記載の開封
が容易な軟質包装袋においては、軟質包装袋20の周辺
熱融着部21に、密封性などが優れたシーラント層4を
残して、少なくともベースフィルム層2を貫通した切断
開始傷加工aを施したために、軟質包装袋20の周辺熱
融着部21の密封性などに問題がない、内容物の保存性
などが優れた開封が容易な軟質包装袋を得ることができ
る。Further, in the soft packaging bag of the present invention according to claim 1, which is easy to open, the sealant layer 4 having excellent sealing property is left on the peripheral heat-sealing portion 21 of the flexible packaging bag 20. Since the cutting start scratch processing a which penetrates at least the base film layer 2 is applied, there is no problem in the sealing property of the peripheral heat-sealing portion 21 of the flexible packaging bag 20, and the unsealing excellent in the storage property of the contents can be performed. An easy flexible packaging bag can be obtained.
【0009】本発明の、請求項2に記載の開封が容易な
軟質包装袋は、図1C ,Dに示すように、外面側から少
なくともベースフィルム層2とシーラント層4とを積層
して、周辺部を熱融着して成る各種形状( 図1Cでは三
方シール式 )の軟質包装袋20であって、この軟質包装
袋20の周辺熱融着部21の相対する2個所に、シーラ
ント層4を残して少なくともベースフィルム層2を貫通
した、実線状又は破線状( 図1Cでは実線状 )の切断開
始傷加工a ,aを施して、また軟質包装袋20の切断開
始傷加工a ,aを結ぶ線上の非熱融着部分に、ベースフ
ィルム層2のみを貫通した、破線状又は実線状( 図1C
では破線状 )の切断継続傷加工bを、切断開始傷加工a
,aに連続して施したことを特徴とする開封が容易な軟
質包装袋である。The flexible packaging bag according to the second aspect of the present invention, which is easy to open, has at least the base film layer 2 and the sealant layer 4 laminated from the outer surface side as shown in FIGS. A flexible packaging bag 20 of various shapes (three-sided seal type in FIG. 1C) formed by heat-sealing parts, and a sealant layer 4 is provided at two opposite positions of a peripheral heat-sealing portion 21 of the flexible packaging bag 20. Leaving at least the base film layer 2 through, a solid line-shaped or broken line-shaped (solid line in FIG. 1C) cutting start scratch processing a 1, a is performed, and also the cutting start scratch processing a 1, a of the flexible packaging bag 20 is tied. The non-heat-bonded portion on the line penetrates only the base film layer 2 and has a broken line shape or a solid line shape (see FIG. 1C).
Then, the continuous cutting flaw b) (broken line)
, a is a flexible packaging bag that is easy to open and is characterized by being applied continuously to a.
【0010】本発明の、請求項2に記載の開封が容易な
軟質包装袋においては、軟質包装袋20の周辺熱融着部
21の相対する2個所に、シーラント層4を残して少な
くとも引裂き強度などが優れたベースフィルム層2を貫
通した、実線状又は破線状の切断開始傷加工a ,aを施
して、また軟質包装袋20の切断開始傷加工a ,aを結
ぶ線上の非熱融着部分に、引裂き強度などが優れたベー
スフィルム層2のみを貫通した、破線状又は実線状の切
断継続傷加工bを、切断開始傷加工a ,aに連続して施
したことによって、実線状又は破線状の切断開始傷加工
a ,aに指を掛けて、やや強く引裂くだけで、簡単に破
線状又は実線状の切断継続傷加工bを切断して、容易に
開封することができる、しかも結ぶ線上の位置が完全に
一致した、シーラント層4を残して少なくともベースフ
ィルム層2を貫通した切断開始傷加工a ,aと、ベース
フィルム層2のみを貫通した切断継続傷加工bとを、連
続して施したために、引裂かれる方向が曲る恐れがない
開封が容易な軟質包装袋を提供することができる。In the soft packaging bag according to the present invention, which is easy to open, in at least the tear strength, leaving the sealant layer 4 at the two facing portions of the peripheral heat-sealing portion 21 of the flexible packaging bag 20. And the like, which have penetrated through the base film layer 2 having excellent cutting start scratch processing a 1, a 2 in the form of a solid line or a broken line, and also non-heat fusion bonding on the line connecting the cutting start scratch processing a 1, a of the flexible packaging bag 20. A continuous continuous cutting process b, which is a broken line shape or a solid line shape, which penetrates only the base film layer 2 having excellent tear strength, is continuously applied to the cutting start scratch processing a 1 and By simply putting a finger on the broken-line cutting start scratch processing a 1 and a and tearing it slightly strongly, the broken-line or solid-line continuous cutting processing b can be easily cut, and can be easily opened and knotted. Sea run, where the positions on the line are exactly the same Since the cutting start flaw processing a 1, which penetrates at least the base film layer 2 except the layer 4 and the continuous cutting flaw processing b which penetrates only the base film layer 2 are continuously applied, the tearing direction is curved. It is possible to provide a flexible packaging bag that is easy to open without fear of being damaged.
【0011】本発明の、請求項3に記載の開封が容易な
軟質包装袋は、請求項1又は請求項2に記載の開封が容
易な軟質包装袋において、図1C ,Dに示すように、軟
質包装袋20の端辺から周辺熱融着部21の途中までの
切断開始傷加工a( 図1C ,Dでは切断開始傷加工a ,
a )に替えて、少なくともベースフィルム層2とシーラ
ント層4との全層を貫通した、実線状の切断加工c( 図
1C ,Dでは切断加工c ,c )を施したことを特徴とす
る開封が容易な軟質包装袋である。The soft packaging bag according to claim 3 of the present invention which is easy to open is the flexible packaging bag according to claim 1 or 2 which is easy to open as shown in FIGS. 1C and 1D. Cutting start scratch processing a from the edge of the flexible packaging bag 20 to the middle of the peripheral heat-sealing portion 21 (in FIGS. 1C and 1D, cutting start scratch processing a,
Instead of a), a solid line cutting process c (cutting processes c 1 and c 2 in FIGS. 1C and 1D) that penetrates at least all layers of the base film layer 2 and the sealant layer 4 is performed. It is an easy-to-use flexible packaging bag.
【0012】本発明の、請求項3に記載の開封が容易な
軟質包装袋においては、軟質包装袋20の端辺から周辺
熱融着部21の途中までの切断開始傷加工aに替えて、
少なくともベースフィルム層2とシーラント層4との全
層を貫通した、実線状の切断加工cを施したことによっ
て、実線状の切断加工cに指を掛けて、軽く引裂くだけ
で、簡単に実線状又は破線状の切断開始傷加工aを引裂
いて破線状又は実線状の切断継続傷加工bを切断して、
容易に開封することができる、しかも延長線上又は結ぶ
線上の位置が完全に一致した、少なくともベースフィル
ム層2とシーラント層4との全層を貫通した切断加工c
と、前述した切断開始傷加工aと切断継続傷加工bと
を、連続して施したために、引裂かれる方向が曲る恐れ
がない、特に切断開始を容易にした開封が容易な軟質包
装袋を提供することができる。In the flexible packaging bag according to the present invention, which is easy to open, in place of the cutting start flaw processing a from the edge of the flexible packaging bag 20 to the middle of the peripheral heat fusion portion 21,
By performing the solid line cutting process c that penetrates at least all the layers of the base film layer 2 and the sealant layer 4, the solid line cutting process c can be easily performed by simply tearing it with a finger. Alternatively, the broken line cutting start scratch processing a is torn to cut the broken line or solid line continuous cutting processing b,
A cutting process c that can be easily opened, and that has completely aligned positions on the extension line or the connecting line and that penetrates at least all the layers of the base film layer 2 and the sealant layer c
Since the cutting start scratch processing a and the continuous cutting scratch processing b described above are continuously performed, there is no fear that the tearing direction is bent, and in particular, a flexible packaging bag that is easy to open and easy to open is provided. Can be provided.
【0013】本発明の、請求項4に記載の開封が容易な
軟質包装袋は、外面側から少なくともベースフィルム層
2とバリアー層3とシーラント層4とを積層して、周辺
部を熱融着して成る各種形状の軟質包装袋20であっ
て、この軟質包装袋20の周辺熱融着部21に、シーラ
ント層4を残して少なくともベースフィルム層2とバリ
アー層3とを貫通した、実線状又は破線状の切断開始傷
加工aを施して、また軟質包装袋20の切断開始傷加工
aの延長線上の非熱融着部分に、ベースフィルム層2の
みを貫通した、破線状又は実線状の切断継続傷加工b
を、切断開始傷加工aに連続して施したことを特徴とす
る開封が容易な軟質包装袋である。According to a fourth aspect of the present invention, in the flexible packaging bag which is easy to open, at least the base film layer 2, the barrier layer 3 and the sealant layer 4 are laminated from the outer surface side and the peripheral portion is heat-sealed. A flexible packaging bag 20 of various shapes formed by: a solid linear shape that penetrates at least the base film layer 2 and the barrier layer 3 while leaving the sealant layer 4 in the peripheral heat-sealing portion 21 of the flexible packaging bag 20. Or, a cutting start scratch processing a in a broken line shape is applied, and a non-heat-bonded portion on an extension line of the cutting start scratch processing a of the flexible packaging bag 20 penetrates only the base film layer 2 and has a broken line shape or a solid line shape. Cutting continuous scratch processing b
Is a flexible packaging bag that is easy to open, characterized by being continuously subjected to the cutting start scratch processing a.
【0014】本発明の、請求項4に記載の開封が容易な
軟質包装袋においては、軟質包装袋20の周辺熱融着部
21に、シーラント層4を残して少なくとも引裂き強度
などが優れたベースフィルム層2とバリアー層3とを貫
通した、実線状又は破線状の切断開始傷加工aを施し
て、また軟質包装袋20の切断開始傷加工aの延長線上
の非熱融着部分に、引裂き強度などが優れたベースフィ
ルム層2のみを貫通した、破線状又は実線状の切断継続
傷加工bを、切断開始傷加工aに連続して施したことに
よって、実線状又は破線状の切断開始傷加工aに指を掛
けて、やや強く引裂くだけで、簡単に破線状又は実線状
の切断継続傷加工bを切断して、容易に開封することが
できる、しかも延長線上の位置が完全に一致した、シー
ラント層4を残して少なくともベースフィルム層2とバ
リアー層3とを貫通した切断開始傷加工aと、ベースフ
ィルム層2のみを貫通した切断継続傷加工bとを、連続
して施したために、引裂かれる方向が曲る恐れがない開
封が容易な軟質包装袋を提供することができる。In the soft packaging bag of the present invention according to claim 4, which is easy to open, the base having excellent tear strength and the like, leaving the sealant layer 4 in the peripheral heat-sealed portion 21 of the flexible packaging bag 20. A solid line or broken line cutting start scratch processing a which penetrates the film layer 2 and the barrier layer 3 is applied, and tearing is performed on the non-heat-bonded portion on the extension line of the cutting start scratch processing a of the flexible packaging bag 20. By continuously performing the cutting continuous scratch processing b in the form of a broken line or a solid line, which penetrates only the base film layer 2 having excellent strength, etc., to the cutting start scratch processing a, a continuous line or a broken line cutting start scratch is formed. Just by putting a finger on the processing a and tearing it slightly strongly, the broken continuous line or continuous line cutting continuous scratch processing b can be easily cut and opened, and the position on the extension line is completely the same. , Leaving the sealant layer 4 Since the cutting start flaw processing a that penetrates the base film layer 2 and the barrier layer 3 and the continuous cutting flaw processing b that penetrates only the base film layer 2 are continuously performed, the tearing direction is bent. It is possible to provide a flexible packaging bag that is easy to open without fear.
【0015】しかも、本発明の、請求項4に記載の開封
が容易な軟質包装袋においては、軟質包装袋20の周辺
熱融着部21に、密封性などが優れたシーラント層4を
残して、少なくともベースフィルム層2とバリアー層3
とを貫通した切断開始傷加工aを施したために、軟質包
装袋20の周辺熱融着部21の密封性などに問題がな
い、また軟質包装袋20の非熱融着部分に、少なくとも
ガスバリアー性などが優れたバリアー層3とシーラント
層4とを残して、ベースフィルム層2のみを貫通した切
断継続傷加工bを施したために、軟質包装袋20の非熱
融着部分のガスバリアー性などに問題がない、内容物の
保存性などが優れた開封が容易な軟質包装袋を得ること
ができる。Moreover, in the soft packaging bag of the present invention according to claim 4, which is easy to open, the sealant layer 4 having excellent sealing property is left on the peripheral heat-sealing portion 21 of the flexible packaging bag 20. , At least the base film layer 2 and the barrier layer 3
Since the cutting start scratch processing a that penetrates through is provided, there is no problem in the sealing property of the peripheral heat-sealing portion 21 of the soft packaging bag 20, and at least the gas barrier is provided in the non-heat-sealing portion of the soft packaging bag 20. Since the barrier layer 3 and the sealant layer 4, which have excellent properties, etc., are left and the continuous cutting process b is performed through only the base film layer 2, the gas barrier property of the non-heat-sealed portion of the flexible packaging bag 20 is improved. It is possible to obtain a flexible packaging bag which has no problem with the above and is excellent in storability of contents and which can be easily opened.
【0016】本発明の、請求項5に記載の開封が容易な
軟質包装袋は、図1E ,Fに示すように、外面側から少
なくともベースフィルム層2とバリアー層3とシーラン
ト層4とを積層して、周辺部を熱融着して成る各種形状
( 図1Eでは竪型シール式 )の軟質包装袋20であっ
て、この軟質包装袋20の周辺熱融着部21の相対する
2個所に、シーラント層4を残して少なくともベースフ
ィルム層2とバリアー層3とを貫通した、実線状又は破
線状( 図1Eでは実線状 )の切断開始傷加工a ,aを施
して、また軟質包装袋20の切断開始傷加工a ,aを結
ぶ線上の非熱融着部分に、ベースフィルム層2のみを貫
通した、破線状又は実線状( 図1Eでは実線状 )の切断
継続傷加工bを、切断開始傷加工a ,aに連続して施し
たことを特徴とする開封が容易な軟質包装袋である。As shown in FIGS. 1E and 1F, the flexible packaging bag of the present invention, which is easy to open, has at least a base film layer 2, a barrier layer 3 and a sealant layer 4 laminated from the outer surface side. And various shapes formed by heat-sealing the peripheral part
A flexible packaging bag 20 (vertical seal type in FIG. 1E), in which at least two base film layers 2 and a barrier are left at two opposing positions of the peripheral heat-sealing portion 21 of the flexible packaging bag 20. A solid line or broken line (solid line in FIG. 1E) cutting start flaw processing a 1 passing through the layer 3 is performed, and non-heat on the line connecting the cutting start flaw processing a 1 of the flexible packaging bag 20 a It is characterized in that a continuous cutting process b in a broken line shape or a solid line shape (solid line shape in FIG. 1E), which penetrates only the base film layer 2, is continuously applied to the cutting start scratch processing a 1, a in the fusion-bonded portion. The flexible packaging bag is easy to open.
【0017】本発明の、請求項5に記載の開封が容易な
軟質包装袋においては、軟質包装袋20の周辺熱融着部
21の相対する2個所に、シーラント層4を残して少な
くとも引裂き強度などが優れたベースフィルム層2とバ
リアー層3とを貫通した、実線状又は破線状の切断開始
傷加工a ,aを施して、また軟質包装袋20の切断開始
傷加工a ,aを結ぶ線上の非熱融着部分に、引裂き強度
などが優れたベースフィルム層2のみを貫通した、破線
状又は実線状の切断継続傷加工bを、切断開始傷加工a
,aに連続して施したことによって、実線状又は破線状
の切断開始傷加工a ,aに指を掛けて、やや強く引裂く
だけで、簡単に破線状又は実線状の切断継続傷加工bを
切断して、容易に開封することができる、しかも結ぶ線
上の位置が完全に一致した、シーラント層4を残して少
なくともベースフィルム層2とバリアー層3とを貫通し
た切断開始傷加工a ,aと、ベースフィルム層2のみを
貫通した切断継続傷加工bとを、連続して施したため
に、引裂かれる方向が曲る恐れがない開封が容易な軟質
包装袋を提供することができる。According to the fifth aspect of the present invention, in the easy-opening flexible packaging bag, at least the tear strength is left at the two facing portions of the peripheral heat-sealing portion 21 of the flexible packaging bag 20 with the sealant layer 4 left. On the line connecting the cutting start scratches a 1 and a 2 which penetrate the base film layer 2 and the barrier layer 3 excellent in solid line or broken line, and cut start scratches a 1 and a 2 of the flexible packaging bag 20. In the non-heat-sealed portion of the above, a continuous cutting process b of a broken line or a solid line which penetrates only the base film layer 2 having excellent tear strength, and a cutting start scratching process a
, a continuous cutting operation for cutting start scratches a or a broken line can be easily performed by simply putting a finger on the cutting start scratches a, a and tearing slightly. Cutting start scratches a 1 and a 2 that can be cut and easily opened, and that the positions on the connecting line are completely aligned and that leave at least the sealant layer 4 and penetrate at least the base film layer 2 and the barrier layer 3. Since the continuous cutting treatment b that penetrates only the base film layer 2 is continuously applied, it is possible to provide a flexible packaging bag that is easy to open without fear of bending the tearing direction.
【0018】本発明の、請求項6に記載の開封が容易な
軟質包装袋は、請求項4又は請求項5に記載の開封が容
易な軟質包装袋において、図1E ,Fに示すように、軟
質包装袋20の端辺から周辺熱融着部21の途中までの
切断開始傷加工a( 図1E ,Fでは切断開始傷加工a ,
a )に替えて、少なくともベースフィルム層2とバリア
ー層3とシーラント層4との全層を貫通した、実線状の
切断加工c( 図1E ,Fでは切断加工c ,c )を施した
ことを特徴とする開封が容易な軟質包装袋である。The soft packaging bag according to claim 6 of the present invention which is easy to open is the soft packaging bag according to claim 4 or 5 which is easy to open as shown in FIGS. 1E and 1F. Cutting start flaw processing a from the edge of the flexible packaging bag 20 to the middle of the peripheral heat-sealing portion 21 (in FIGS. 1E and 1F, cutting start flaw processing a,
In place of a), a solid line cutting process c (cutting processes c 1 and c 2 in FIGS. 1E and 1F) that penetrates at least all layers of the base film layer 2, the barrier layer 3 and the sealant layer 4 is performed. A characteristic feature of this flexible packaging bag is that it is easy to open.
【0019】本発明の、請求項6に記載の開封が容易な
軟質包装袋においては、軟質包装袋20の端辺から周辺
熱融着部21の途中までの切断開始傷加工aに替えて、
少なくともベースフィルム層2とバリアー層3とシーラ
ント層4との全層を貫通した、実線状の切断加工cを施
したことによって、実線状の切断加工cに指を掛けて、
軽く引裂くだけで、簡単に実線状又は破線状の切断開始
傷加工aを引裂いて破線状又は実線状の切断継続傷加工
bを切断して、容易に開封することができる、しかも延
長線上又は結ぶ線上の位置が完全に一致した、少なくと
もベースフィルム層2とバリアー層3とシーラント層4
との全層を貫通した切断加工cと、前述した切断開始傷
加工aと切断継続傷加工bとを、連続して施したため
に、引裂かれる方向が曲る恐れがない、特に切断開始を
容易にした開封が容易な軟質包装袋を提供することがで
きる。In the flexible packaging bag of the present invention according to claim 6, which is easy to open, in place of the cutting start scratch processing a from the edge of the flexible packaging bag 20 to the middle of the peripheral heat fusion portion 21,
By applying the solid line cutting process c that penetrates at least all the layers of the base film layer 2, the barrier layer 3, and the sealant layer 4, the solid line cutting process c is put on a finger,
By simply tearing lightly, the solid line or broken line cutting start scratch processing a can be easily torn to cut the broken line or solid line cutting continuous scratch processing b, and can be easily opened, and can be opened or extended. At least the base film layer 2, the barrier layer 3, and the sealant layer 4 whose positions on the line are completely the same.
Since the cutting process c penetrating all the layers of and the cutting start scratching process a and the continuous cutting scratching process b described above are continuously performed, there is no fear that the tearing direction is bent, and particularly the cutting start is easy. It is possible to provide a flexible packaging bag which is easy to open.
【0020】[0020]
【発明の実施の形態】本発明の開封が容易な軟質包装袋
における、軟質包装袋20の周辺熱融着部21に施し
た、シーラント層4を残して少なくともベースフィルム
層2( とバリアー層3と )を貫通した、実線状又は破線
状の切断開始傷加工aについては、また軟質包装袋20
の切断開始傷加工aの延長線上又は結ぶ線上の非熱融着
部分に施した、ベースフィルム層2のみを貫通した、破
線状又は実線状の切断継続傷加工bについては、( さら
に軟質包装袋20の端辺から周辺熱融着部21の途中ま
での切断開始傷加工aに替えて施した、少なくともベー
スフィルム層2と( バリアー層3と )シーラント層4と
の全層を貫通した、実線状の切断加工cについては)、
美麗な印刷をした引裂き強度などが優れたベースフィル
ム層2と、( ガスバリアー性などが優れたバリアー層3
と )、密封性などが優れたシーラント層4との、巻取り
状の積層工程の途中で又は巻取り状の積層工程の後に、
金属刃などの機械的な方法又は炭酸ガスレーザーなどの
熱的な方法で、延長線上又は結ぶ線上の位置が完全に一
致した、実線状又は破線状の切断開始傷加工aと破線状
又は実線状の切断継続傷加工bと( 実線状の切断加工c
と )を、一工程で連続して施すことによって、引裂かれ
る方向が曲る恐れがない開封が容易な軟質包装袋を得る
ことができる。BEST MODE FOR CARRYING OUT THE INVENTION In the flexible packaging bag of the present invention which can be easily opened, at least the base film layer 2 (and the barrier layer 3 except for the sealant layer 4 applied to the peripheral heat-sealing portion 21 of the flexible packaging bag 20. For the solid line or broken line cutting start scratch processing a that penetrates through
Regarding the continuous cutting process b of broken line or solid line, which is applied to the non-heat-bonded portion on the extension line or the connecting line of the cutting start scratching process a, the cutting continuous scratching process b of only the ( A solid line that penetrates at least all layers of the base film layer 2 and the (barrier layer 3) and the sealant layer 4 in place of the cutting start scratch processing a from the edge of 20 to the middle of the peripheral heat fusion portion 21. For cutting process c),
Beautifully printed base film layer 2 with excellent tear strength, and (barrier layer 3 with excellent gas barrier properties, etc.
), And during or after the winding-like laminating step with the sealant layer 4 having excellent sealing property, etc.
With a mechanical method such as a metal blade or a thermal method such as carbon dioxide gas laser, the position on the extension line or the connecting line is completely aligned, and the solid line or broken line cutting start scratch processing a and the broken line or solid line shape Continuous cutting process b and (solid line cutting process c
By continuously applying (1) and (2) in one step, it is possible to obtain a flexible packaging bag that is easy to open without fear that the tearing direction is bent.
【0021】ところが、本実施の形態に示す金属刃など
の機械的な方法については、金属刃などの深さを正確に
微細に調整することによって、延長線上又は結ぶ線上の
位置が完全に一致した、実線状又は破線状の切断開始傷
加工aと破線状又は実線状の切断継続傷加工bと( 実線
状の切断加工cと )を、安定して、一工程で連続して施
すことができるものの、密封性などが優れたシーラント
層4を残して、少なくとも50μm以下の極薄いベース
フィルム層2( とバリアー層3と )を貫通した切断開始
傷加工aを施すために、また50μm以下の極薄いベー
スフィルム層2のみを貫通した切断継続傷加工bを施す
ために、機械的な方法に速度の限界があって、巻取り状
の積層工程に比べて低速で断続的になることが問題であ
った。However, in the mechanical method of the metal blade or the like shown in the present embodiment, the positions on the extension line or the connecting line are completely matched by precisely and finely adjusting the depth of the metal blade or the like. The solid line or broken line cutting start scratch processing a, the broken line or solid line continuous cutting processing b and the solid line cutting processing c can be stably and continuously performed in one step. However, in order to leave the sealant layer 4 having an excellent sealing property and to perform the cutting start scratch processing a penetrating the ultra-thin base film layer 2 (and the barrier layer 3) of at least 50 μm or less, a pole of 50 μm or less is used. Since a continuous cutting process b for cutting that penetrates only the thin base film layer 2 is performed, the mechanical method has a limit of speed, which is intermittent at a lower speed than that of the winding lamination process. there were.
【0022】そこで、本実施の形態に示す炭酸ガスレー
ザーなどの熱的な方法について、一本の線上に深さが異
なる条件を入力することができる、例えば炭酸ガスレー
ザーの付加機能を活用して、後述する実施例に示すよう
に、ナイロン15μmのベースフィルム層2とポリエス
テル30μmのバリアー層3とを貫通する場合( 実施例
3を参照 )には、スキャンスピード500mm/sec ,発振
周波数5kHz ,出力40W程度の条件を入力することに
よって、またナイロン15μmのベースフィルム層2の
みを貫通する場合( 実施例1〜実施例3を参照 )には、
スキャンスピード1000mm/sec ,発振周波数5kHz ,
出力15W程度の条件を入力することによって、さらに
ナイロン15μmのベースフィルム層2とポリエチレン
35μmのシーラント層4との全層を貫通する場合( 実
施例2を参照 )には、スキャンスピード500mm/sec ,
発振周波数8kHz ,出力40W程度の条件を入力するこ
とによって、延長線上又は結ぶ線上の位置が完全に一致
した、実線状又は破線状の切断開始傷加工aと破線状又
は実線状の切断継続傷加工bと( 実線状の切断加工cと
)を、巻取り状の積層工程の途中で又は巻取り状の積層
工程の後に、高速で安定して、一工程で連続して施すこ
とができる。Therefore, regarding the thermal method such as the carbon dioxide gas laser shown in the present embodiment, it is possible to input conditions of different depths on one line, for example, by utilizing the additional function of the carbon dioxide gas laser. As shown in Examples described later, when penetrating the base film layer 2 of nylon 15 μm and the barrier layer 3 of polyester 30 μm (see Example 3), scan speed 500 mm / sec, oscillation frequency 5 kHz, output By inputting a condition of about 40 W and when penetrating only the base film layer 2 of nylon 15 μm (see Examples 1 to 3),
Scan speed 1000mm / sec, oscillation frequency 5kHz,
By inputting a condition of an output of about 15 W, when further penetrating all the layers of the base film layer 2 of nylon 15 μm and the sealant layer 4 of polyethylene 35 μm (see Example 2), the scanning speed is 500 mm / sec,
By inputting the conditions of oscillation frequency 8 kHz and output 40 W, the continuous line or broken line cutting start scratch processing a and the broken line or continuous line cutting continuous scratch processing in which the positions on the extension line or the connecting line are completely matched. b and (solid line cutting c and
Can be continuously applied in one step during the winding-shaped laminating step or after the winding-shaped laminating step, stably at high speed.
【0023】なお、軟質包装袋20の切断開始傷加工a
の延長線上又は結ぶ線上の非熱融着部分に施した、前述
した破線状又は実線状の切断継続傷加工bについては、
図1A ,C ,Eに示す直線であることが一般的である
が、必ずしも直線である必要はなくて、開封が容易な軟
質包装袋のデザイン的な形状や開封した時の注出し易い
開口形状などを配慮して、任意の曲線の破線状又は実線
状の切断継続傷加工bを、金属刃などの機械的な方法又
は炭酸ガスレーザーなどの熱的な方法で、切断開始傷加
工aに連続して施すことができる。Incidentally, the cutting start scratch processing a of the flexible packaging bag 20
Regarding the continuous cutting process b of the above-mentioned broken line or solid line, which is applied to the non-heat-bonded portion on the extension line or the connecting line of
The straight line shown in FIGS. 1A, C, and E is generally used, but the straight line is not necessarily required to be a straight line, and the design shape of the flexible packaging bag is easy to open and the opening shape is easy to pour when opened. In consideration of the above, the continuous cutting process b for cutting the broken line or the solid line of an arbitrary curve is continued to the starting cutting process a by a mechanical method such as a metal blade or a thermal method such as carbon dioxide laser. Can be applied.
【0024】[0024]
【実施例】<実施例1>図1Aは、本発明の実施例1に
おける、開封が容易な軟質包装袋の平面図であって、図
1Bは、切断開始傷加工aと切断継続傷加工bとを連続
して施した、開封が容易な軟質包装袋の断面説明図であ
る。EXAMPLES Example 1 FIG. 1A is a plan view of a flexible packaging bag that is easy to open in Example 1 of the present invention, and FIG. 1B is a cutting start scratch processing a and a cutting continuous scratch processing b. FIG. 7 is a cross-sectional explanatory view of a flexible packaging bag that is continuously subjected to and is easy to open.
【0025】本発明の実施例1の開封が容易な軟質包装
袋は、外面側からベースフィルム層2とシーラント層4
とを積層して、周辺部を熱融着して成る、カップラーメ
ン用の乾燥した具を収容する、縦と横とが80×52m
mの三方シール式の軟質包装袋20であって、この軟質
包装袋20の周辺熱融着部21に、シーラント層4を残
して少なくともベースフィルム層2を貫通した、長さが
8mmの破線状( ミシン目状とも言う、以下同じ )の切
断開始傷加工aを施して、また軟質包装袋20の切断開
始傷加工aの延長線上の非熱融着部分に、ベースフィル
ム層2のみを貫通した、長さが44mmの破線状の切断
継続傷加工bを、切断開始傷加工aに連続して施した開
封が容易な軟質包装袋である。The flexible packaging bag of Example 1 of the present invention which is easy to open has a base film layer 2 and a sealant layer 4 from the outer surface side.
Is stacked and the peripheral portion is heat-sealed to accommodate dried ingredients for cup ramen, the length and width of which are 80 × 52 m.
A three-way seal type flexible packaging bag 20 having a length of 8 mm which penetrates at least the base film layer 2 with the sealant layer 4 left in the peripheral heat-sealing portion 21 of the flexible packaging bag 20. Cutting start scratch processing a (also referred to as perforation) is applied, and only the base film layer 2 is penetrated to the non-heat-bonded portion on the extension line of the cutting start scratch processing a of the flexible packaging bag 20. Is a flexible packaging bag that is easy to open by continuously performing the continuous cutting damage processing b having a length of 44 mm on the cutting start scratch processing a.
【0026】すなわち、内面に美麗な印刷をした引裂き
強度などが優れた2軸延伸ナイロン( ONy,15μm)のベー
スフィルム層2と、密封性などが優れた線状低密度ポリ
エチレン( LLDPE,35μm)のシーラント層4とを、図示し
ていないサンドポリエチレン( SPE,15μm)を介して、巻
取り状の通常の押出しラミネーション方法で積層して、
次に通常の炭酸ガスレーザー装置( GSIルモニクスジ
ャパン( 株 )製 ,PC-MARK-MT )の付加機能を活用し
て、線状低密度ポリエチレンを残して2軸延伸ナイロン
とサンドポリエチレンとを貫通した、図1Aに示す長さ
が8mmの破線状の切断開始傷加工aを、スキャンスピ
ード500mm/sec ,発振周波数5kHz ,出力15Wの条
件を入力することによって、また2軸延伸ナイロンのみ
を貫通した、図1Aに示す長さが44mmの破線状の切
断継続傷加工bを、スキャンスピード1000mm/sec ,
発振周波数5kHz ,出力15Wの条件を入力することに
よって、図1Bに示す上面側の傷加工a ,b ,下面側の
傷加工b ,aの順に、レーザーを照射して連続して施し
た後に、104mm幅にスリッターして、従来と同様の
通常の充填製袋工程で、上面側の傷加工a ,bと下面側
の傷加工a ,bとの位置が一致するように2つ折りし
て、内容物を収容しながら、従来のI字状などの切断開
始切欠きdを設けないで周辺部を熱融着して、実施例1
の図1A ,Bに示す三方シール式の開封が容易な軟質包
装袋を作製した。That is, a base film layer 2 of biaxially stretched nylon (ONy, 15 μm) having a beautiful printed inner surface and excellent tear strength, and a linear low-density polyethylene (LLDPE, 35 μm) having excellent sealing performance. And the sealant layer 4 of No. 3 are laminated by a usual extrusion lamination method in the form of a roll through sand polyethylene (SPE, 15 μm) not shown,
Next, by utilizing the additional function of an ordinary carbon dioxide gas laser device (manufactured by GSI Lumonix Japan KK, PC-MARK-MT), biaxially stretched nylon and sand polyethylene were penetrated while leaving linear low density polyethylene. By inputting the conditions of a scan start 500 mm / sec, an oscillation frequency of 5 kHz, and an output of 15 W, a broken line cutting start scratch processing a having a length of 8 mm shown in FIG. 1A was passed through only biaxially stretched nylon. As shown in FIG. 1A, a continuous cutting process b with a broken line having a length of 44 mm was performed at a scanning speed of 1000 mm / sec,
By inputting conditions of an oscillation frequency of 5 kHz and an output of 15 W, laser irradiation is continuously performed in the order of upper surface side scratch processing a 1 and b 2 and lower surface side scratch processing b 1 a shown in FIG. 1B. A slitter with a width of 104 mm is folded in two in the same normal filling bag manufacturing process as the conventional one so that the positions of the scratch processing a, b on the upper surface side and the scratch processing a, b on the lower surface side match. While accommodating an object, the peripheral portion is heat-sealed without providing a conventional cutting start notch d such as an I-shape, and the first embodiment
1A and 1B, a three-way seal type flexible packaging bag which is easy to open was manufactured.
【0027】本発明の実施例1の開封が容易な軟質包装
袋においては、軟質包装袋20の周辺熱融着部21に、
線状低密度ポリエチレンを残して引裂き強度などが優れ
た2軸延伸ナイロンとサンドポリエチレンを貫通した、
図1Aに示す破線状の切断開始傷加工aを施して、また
軟質包装袋20の切断開始傷加工aの延長線上の非熱融
着部分に、引裂き強度などが優れた2軸延伸ナイロンの
みを貫通した、図1Aに示す破線状の切断継続傷加工b
を、切断開始傷加工aに連続して施したことによって、
破線状の切断開始傷加工aに指を掛けて、やや強く引裂
くだけで、簡単に破線状の切断継続傷加工bを切断し
て、容易に開封することができる、しかも延長線上の位
置が完全に一致した、また図1Bに示す上面側と下面側
との位置が一致した、線状低密度ポリエチレンを残して
2軸延伸ナイロンとサンドポリエチレンを貫通した切断
開始傷加工aと、2軸延伸ナイロンのみを貫通した切断
継続傷加工bとを、レーザーを照射して連続して施した
ために、引裂かれる方向が曲る恐れがない開封が容易な
軟質包装袋を得ることができた。In the flexible packaging bag of Example 1 of the present invention which can be easily opened, the peripheral heat-sealing portion 21 of the flexible packaging bag 20 is
Penetrating biaxially oriented nylon and sand polyethylene, which have excellent tear strength, leaving linear low-density polyethylene,
Only the biaxially stretched nylon having excellent tear strength is applied to the non-heat-bonded portion on the extension line of the cutting start scratch processing a of the flexible packaging bag 20 after the cutting start scratch processing a in the broken line shape shown in FIG. 1A is performed. Penetrating, continuous cutting flaw b in broken line shape shown in FIG. 1A
By continuously performing the cutting start scratch processing a,
The broken-line cutting start scratch processing a can be easily cut by simply putting a finger on the scratch processing a and tearing it slightly strongly, and the broken continuous cutting processing b can be easily opened, and the position on the extension line is perfect. 1A, and the positions of the upper surface and the lower surface shown in FIG. 1B were the same, and the cut initiation scratch processing a that penetrated the biaxially stretched nylon and the sand polyethylene leaving the linear low density polyethylene, and the biaxially stretched nylon. Since the continuous cutting process b for cutting, which penetrates only the pouch, was continuously applied by irradiating a laser, it was possible to obtain a flexible packaging bag that is easy to open without fear of bending the tearing direction.
【0028】<実施例2>図1Cは、本発明の実施例2
における、開封が容易な軟質包装袋の平面図であって、
図1Dは、切断開始傷加工a ,aと切断継続傷加工bと
切断加工c ,cとを連続して施した、開封が容易な軟質
包装袋の断面説明図である。<Second Embodiment> FIG. 1C shows a second embodiment of the present invention.
FIG. 3 is a plan view of a flexible packaging bag that is easy to open in
FIG. 1D is a cross-sectional explanatory view of a flexible packaging bag that is easy to open, in which cutting start scratch processing a 1, a, continuous cutting scratch processing b, and cutting processing c 1, c are continuously performed.
【0029】本発明の実施例2の開封が容易な軟質包装
袋は、外面側からバリアー層を兼ねたベースフィルム層
2とシーラント層4とを積層して、周辺部を熱融着して
成る、アーモンドやミックスナッツなどの珍味類を収容
する、縦と横とが120×86mmの三方シール式の軟
質包装袋20であって、この軟質包装袋20の周辺熱融
着部21の相対する2個所に、シーラント層4を残して
少なくともバリアー層を兼ねたベースフィルム層2を貫
通した、長さが6mmの実線状の切断開始傷加工a ,a
を施して、また軟質包装袋20の切断開始傷加工a ,a
を結ぶ線上の非熱融着部分に、ベースフィルム層2のみ
を貫通した、長さが76mmの破線状の切断継続傷加工
bを、切断開始傷加工a ,aに連続して施して、さらに
軟質包装袋20の端辺から周辺熱融着部21の途中まで
の3mmの切断開始傷加工a ,aに替えて、バリアー層
を兼ねたベースフィルム層2とシーラント層4との全層
を貫通した、長さが3mmの実線状の切断加工c ,cを
施した開封が容易な軟質包装袋である。The flexible packaging bag of Example 2 of the present invention which is easy to open is formed by laminating the base film layer 2 also serving as a barrier layer and the sealant layer 4 from the outer surface side and heat-sealing the peripheral portion. A three-sided seal type flexible packaging bag 20 having a length and width of 120 × 86 mm, which accommodates delicacies such as almonds and mixed nuts. A solid line-shaped cutting start flaw processing a, a having a length of 6 mm, which penetrates at least the base film layer 2 which also functions as a barrier layer while leaving the sealant layer 4 in place.
And start cutting of the flexible packaging bag 20.
In the non-heat-sealed portion on the line connecting the two, continuous cutting processing b of a broken line having a length of 76 mm, which penetrates only the base film layer 2, is continuously applied to the cutting start scratch processing a, a, and Cutting start scratch processing a of 3 mm from the edge of the flexible packaging bag 20 to the middle of the peripheral heat-sealed portion 21 is replaced with a, and all the layers of the base film layer 2 also serving as a barrier layer and the sealant layer 4 are penetrated. The flexible packaging bag having a length of 3 mm and subjected to the solid line cutting processes c 1 and c 2 is easy to open.
【0030】すなわち、内面にガスバリアー性などが優
れたセラミック蒸着を施した引裂き強度などが優れた2
軸延伸ナイロン( ONy,15μm)のバリアー層を兼ねたベー
スフィルム層2と、密封性などが優れた線状低密度ポリ
エチレン( LLDPE,35μm)のシーラント層4とを、図示し
ていないサンドポリエチレン( SPE,20μm)を介して、巻
取り状の通常の押出しラミネーション方法で積層して、
次に通常の、実施例1と同一の炭酸ガスレーザー装置の
付加機能を活用して、線状低密度ポリエチレンを残して
2軸延伸ナイロンとサンドポリエチレンとを貫通した、
図1Cに示す長さが3mmの実線状の切断開始傷加工a
,aを、スキャンスピード1000mm/sec ,発振周波数
5kHz ,出力30Wの条件を入力することによって、ま
た2軸延伸ナイロンのみを貫通した、図1Cに示す長さ
が76mmの破線状の切断継続傷加工bを、スキャンス
ピード1000mm/sec ,発振周波数5kHz ,出力15W
の条件を入力することによって、さらに2軸延伸ナイロ
ンとサンドポリエチレンと線状低密度ポリエチレンとの
全層を貫通した、図1Cに示す長さが3mmの実線状の
切断加工c ,cを、スキャンスピード500mm/sec ,発
振周波数8kHz ,出力40Wの条件を入力することによ
って、図1Dに示す上面側と下面側との軟質包装袋20
の端辺から、それぞれ切断加工c ,傷加工a ,b ,a ,
切断加工cの順に、レーザーを照射して連続して施した
後に、240mm幅にスリッターして、従来と同様の通
常の充填製袋工程で、上面側と下面側との、それぞれの
切断加工c ,傷加工a ,b ,a ,切断加工cの位置が一
致するように2つ折りして、内容物を収容しながら、従
来のV字状などの切断開始切欠きd ,dを設けないで周
辺部を熱融着して、実施例2の図1C ,Dに示す三方シ
ール式の開封が容易な軟質包装袋を作製した。That is, a ceramic vapor deposition having an excellent gas barrier property etc. was applied to the inner surface and an excellent tear strength was obtained.
A base film layer 2 which also serves as a barrier layer of axially stretched nylon (ONy, 15 μm) and a sealant layer 4 of linear low density polyethylene (LLDPE, 35 μm) which has excellent sealing properties, and sand polyethylene (not shown) SPE, 20μm), laminated by a roll-shaped ordinary extrusion lamination method,
Next, using the usual additional function of the same carbon dioxide gas laser apparatus as in Example 1, the linear low density polyethylene was left and the biaxially stretched nylon and the sand polyethylene were penetrated,
A solid line-shaped cutting start flaw processing a having a length of 3 mm shown in FIG. 1C
, a, a scanning speed of 1000 mm / sec, an oscillation frequency of 5 kHz, and an output of 30 W, and also, only the biaxially stretched nylon is penetrated, and a broken continuous cutting flaw with a length of 76 mm shown in FIG. 1C is processed. b, scan speed 1000 mm / sec, oscillation frequency 5 kHz, output 15 W
By inputting the conditions described above, the solid line cutting processing c 1 and c 2 having a length of 3 mm shown in FIG. 1C which further penetrates all layers of biaxially oriented nylon, sand polyethylene and linear low density polyethylene is scanned. By inputting conditions of a speed of 500 mm / sec, an oscillation frequency of 8 kHz, and an output of 40 W, the flexible packaging bag 20 shown in FIG.
From the edge side of the cutting process c, scratching process a, b, a,
Laser irradiation is continuously performed in the order of cutting processing c, and then slitting is performed to a width of 240 mm, and the cutting processing c is performed on each of the upper surface side and the lower surface side in a normal filling bag manufacturing process similar to the conventional one. , The scratch processing a, b, a, and the cutting processing c are folded in two so that the positions thereof coincide with each other, and the contents are accommodated, while the conventional cutting start cutouts d 1 and d 2 having a V shape are not provided. The portions were heat-sealed to prepare a three-way seal type flexible packaging bag which is easy to open as shown in FIGS.
【0031】本発明の実施例2の開封が容易な軟質包装
袋においては、軟質包装袋20の周辺熱融着部21の相
対する2個所に、線状低密度ポリエチレンを残して引裂
き強度などが優れた2軸延伸ナイロンとサンドポリエチ
レンとを貫通した、図1Cに示す実線状の切断開始傷加
工a ,aを施して、また軟質包装袋20の切断開始傷加
工a ,aを結ぶ線上の非熱融着部分に、引裂き強度など
が優れた2軸延伸ナイロンのみを貫通した、図1Cに示
す破線状の切断継続傷加工bを、切断開始傷加工a ,a
に連続して施して、さらに軟質包装袋20の端辺から周
辺熱融着部21の途中までの切断開始傷加工a ,aに替
えて、2軸延伸ナイロンとサンドポリエチレンと線状低
密度ポリエチレンとの全層を貫通した、図1Cに示す実
線状の切断加工c ,cを施したことによって、実線状の
切断加工c ,cに指を掛けて、軽く引裂くだけで、簡単
に実線状の切断開始傷加工a ,aを引裂いて破線状の切
断継続傷加工bを切断して、容易に開封することができ
る、しかも結ぶ線上の位置が完全に一致した、また図1
Dに示す上面側と下面側との位置が一致した、全層を貫
通した切断加工c ,cと2軸延伸ナイロンとサンドポリ
エチレンとを貫通した切断開始傷加工a ,aと2軸延伸
ナイロンのみを貫通した切断継続傷加工bとを、レーザ
ーを照射して連続して施したために、引裂かれる方向が
曲る恐れがない、特に切断開始を容易にした開封が容易
な軟質包装袋を得ることができた。In the flexible packaging bag of Example 2 of the present invention which is easy to open, the linear low density polyethylene is left at two opposing positions of the peripheral heat-sealing portion 21 of the flexible packaging bag 20 so that the tear strength and the like can be improved. The solid line-shaped cutting start scratches a 1 and a 2 shown in FIG. 1C, which penetrate the excellent biaxially stretched nylon and the sand polyethylene, are applied, and the non-line on the line connecting the cutting start scratches a 1 and a 2 of the flexible packaging bag 20 In the heat-sealed portion, only the biaxially stretched nylon having excellent tear strength and the like is penetrated, and the continuous cutting damage b of broken line shown in FIG.
The cutting start from the edge of the flexible packaging bag 20 to the middle of the peripheral heat-sealing portion 21 is replaced with the scratch processing a 1 and a 2 and biaxially stretched nylon, sand polyethylene, and linear low-density polyethylene. By performing the solid line cutting process c 1, c 2 shown in FIG. 1C which penetrates all the layers, the solid line cutting process c 1, c 2 can be easily performed by simply tearing with a finger. The cutting start scratches a 1 and a 2 are torn to cut the broken continuous cutting work b so that the cut can be easily opened, and the positions on the connecting line are completely the same.
Only the cutting process c 1, c 2 which penetrates all layers and the cutting start scratches a 1, a and a biaxially stretched nylon which penetrate the biaxially stretched nylon and sand polyethylene in which the positions of the upper surface side and the lower surface side shown in D coincide Since the continuous cutting process b with the continuous cutting is performed by irradiating a laser, there is no fear that the direction of tearing will be bent, and in particular, a flexible packaging bag that is easy to open and easy to open is obtained. I was able to.
【0032】なお、本発明の実施例2の開封が容易な軟
質包装袋においては、内面にセラミック蒸着を施した2
軸延伸ナイロンに、美麗な印刷をしていないために、従
来と同様の通常の充填製袋工程で、内容物を収容しなが
ら周辺部を熱融着して、図1C ,Dに示す三方シール式
の開封が容易な軟質包装袋を作製した後に、商品名など
の美麗な印刷をした粘着ラベルなどを、適宜に貼着する
などして出荷することができる。In the flexible packaging bag of Example 2 of the present invention, which is easy to open, the inner surface of the flexible packaging bag is ceramic-deposited.
Since the axially stretched nylon is not beautifully printed, the peripheral portion is heat-sealed while accommodating the contents in the usual filling bag making process similar to the conventional one, and the three-way seal shown in FIGS. After producing a flexible packaging bag that can be easily opened by a formula, an adhesive label or the like with a beautiful print such as a product name can be appropriately attached and shipped.
【0033】<実施例3>図1Eは、本発明の実施例3
における、開封が容易な軟質包装袋の斜視正面図であっ
て、図1Fは、切断開始傷加工a ,aと切断継続傷加工
bと切断加工c ,cとを連続して施した、開封が容易な
軟質包装袋の断面説明図である。<Third Embodiment> FIG. 1E shows a third embodiment of the present invention.
1F is a perspective front view of a flexible packaging bag that can be easily opened, and FIG. 1F shows that the cutting start scratch processing a 1, a, the continuous cutting scratch processing b, and the cutting processing c 1, c are continuously performed. It is a cross-sectional explanatory view of an easy flexible packaging bag.
【0034】本発明の実施例3の開封が容易な軟質包装
袋は、外面側からベースフィルム層2とバリアー層3と
シーラント層4とを積層して、周辺部を熱融着して成
る、550mlの詰替え用のシャンプー ,リンスを収容
する、底幅と横幅と高さとが62×124×200mm
の注出口付の竪型シール式( スタンディングパウチと通
称する )の軟質包装袋20であって、この軟質包装袋2
0の注出口の周辺熱融着部21の相対する2個所に、シ
ーラント層4を残してベースフィルム層2とバリアー層
3とを貫通した、長さが6mmの実線状の切断開始傷加
工a ,aを施して、また軟質包装袋20の切断開始傷加
工a ,aを結ぶ線上の非熱融着部分に、ベースフィルム
層2のみを貫通した、長さが12mmの実線状の切断継
続傷加工bを、切断開始傷加工a ,aに連続して施し
て、さらに軟質包装袋20の注出口の端辺から周辺熱融
着部21の途中までの3mmの切断開始傷加工a ,aに
替えて、ベースフィルム層2とバリアー層3とシーラン
ト層4との全層を貫通した、長さが3mmの実線状の切
断加工c ,cを施した開封が容易な軟質包装袋である。The soft packaging bag of Example 3 of the present invention, which is easy to open, is formed by laminating the base film layer 2, the barrier layer 3 and the sealant layer 4 from the outer side and heat-sealing the peripheral portion. Contains 550 ml of refilling shampoo and rinse, bottom width, width and height is 62 x 124 x 200 mm
A vertical sealing type flexible packaging bag 20 with a spout (commonly referred to as a standing pouch), which is a flexible packaging bag 2
No. 0 spouting, the peripheral heat-sealing portion 21 at two opposing positions, leaving the sealant layer 4 and penetrating the base film layer 2 and the barrier layer 3 and having a length of 6 mm, a solid line-shaped cutting start flaw processing a , a, and a start cutting flaw processing a, of the flexible packaging bag 20, a non-heat-bonded portion on a line connecting the a and a penetrates only the base film layer 2 and has a continuous cutting flaw with a length of 12 mm. The processing b is continuously applied to the cutting start scratch processing a 1, a, and further, the cutting start scratch processing a 1, a of 3 mm from the end side of the spout of the flexible packaging bag 20 to the middle of the peripheral heat fusion portion 21 is performed. Instead, it is a flexible packaging bag that penetrates all the layers of the base film layer 2, the barrier layer 3, and the sealant layer 4 and has a length of 3 mm and is subjected to cutting processes c 1 and c 2 in a solid line shape, which is easy to open.
【0035】すなわち、内面に美麗な印刷をした引裂き
強度などが優れた2軸延伸ナイロン( ONy,15μm)のベー
スフィルム層2と、内面にガスバリアー性などが優れた
アルミニウム蒸着を施した延伸ポリエステル(OPET,30μ
m)のバリアー層3と、密封性などが優れた線状低密度ポ
リエチレン( LLDPE,35μm)のシーラント層4とを、それ
ぞれ図示していないウレタン系の接着剤を介して、巻取
り状の通常のドライラミネーション方法で積層して、次
に通常の、実施例1と同一の炭酸ガスレーザー装置の付
加機能を活用して、線状低密度ポリエチレンを残して2
軸延伸ナイロンと延伸ポリエステルとを貫通した、図1
Eに示す長さが3mmの実線状の切断開始傷加工a ,a
を、スキャンスピード500mm/sec ,発振周波数5kHz
,出力40Wの条件を入力することによって、また2軸
延伸ナイロンのみを貫通した、図1Eに示す長さが12
mmの実線状の切断継続傷加工bを、スキャンスピード
1000mm/sec ,発振周波数5kHz ,出力15Wの条件
を入力することによって、さらに2軸延伸ナイロンと延
伸ポリエステルと線状低密度ポリエチレンとの全層を貫
通した、図1Eに示す長さが3mmの実線状の切断加工
c ,cを、スキャンスピード300mm/sec ,発振周波数
8kHz ,出力40Wの条件を入力することによって、図
1Fに示す上面側と下面側との軟質包装袋20の注出口
の端辺から、それぞれ切断加工c ,傷加工a ,b ,a ,
切断加工cの順に、レーザーを照射して連続して施した
後に、482mm幅にスリッターして、従来と同様のス
タンディングパウチの製袋工程で、62mmの底幅部分
を折込みながら、上面側と下面側との、それぞれの切断
加工c ,傷加工a ,b ,a ,切断加工cの位置が一致す
るように2つ折りして、従来のV字状などの切断開始切
欠きd ,dを注出口の端辺に設けないで、図1Eに示す
ように、上辺の注入口部分を除いた周辺部を熱融着し
て、同時に注出口周辺の凹状不用部分を切断除去して、
従来と同様のスタンディングパウチの充填工程で、注入
口から内容物を収容しながら、上辺の注入口部分を熱融
着して密封して、実施例3の図1E ,Fに示す注出口付
の竪型シール式の開封が容易な軟質包装袋を作製した。That is, a base film layer 2 of biaxially stretched nylon (ONy, 15 μm) having a beautiful printed inner surface and excellent tear strength, and a stretched polyester having an inner surface vapor-deposited with aluminum having excellent gas barrier properties. (OPET, 30μ
The barrier layer 3 of m) and the sealant layer 4 of linear low density polyethylene (LLDPE, 35 μm), which has excellent sealing performance, are usually wound in a roll shape via a urethane-based adhesive (not shown). And then the linear low density polyethylene is left by using the additional function of the usual carbon dioxide gas laser device which is the same as that of the first embodiment.
Axial stretched nylon and stretched polyester are penetrated, as shown in FIG.
A solid line-shaped cutting start flaw processing a 1, a having a length of 3 mm shown in E
Scan speed 500 mm / sec, oscillation frequency 5 kHz
By inputting the condition of the output of 40 W, the length shown in FIG.
By inputting the conditions of a continuous cutting flaw b of a solid line of mm, a scanning speed of 1000 mm / sec, an oscillation frequency of 5 kHz and an output of 15 W, all layers of biaxially stretched nylon, stretched polyester and linear low density polyethylene are further added. 1E through which the solid line-shaped cutting processes c 1 and c 2 having a length of 3 mm shown in FIG. 1E are input as conditions for a scan speed of 300 mm / sec, an oscillation frequency of 8 kHz, and an output of 40 W. From the edges of the spout of the flexible packaging bag 20 with the lower surface side, cutting processing c, scratch processing a, b, a, respectively,
In the order of cutting process c, laser irradiation is continuously performed, and then slitting is performed to a width of 482 mm, and a bottom width portion of 62 mm is folded in a bag making process of a standing pouch similar to the conventional method, while the upper side and the lower side are folded. It is folded in two so that the positions of the cutting process c, the scratching processes a, b, a, and the cutting process c coincide with those of the side, and the conventional V-shaped cutting start notches d 1, d 2 are spouted. 1E, as shown in FIG. 1E, the peripheral portion excluding the injection port portion of the upper side is heat-sealed, and at the same time, the concave unnecessary portion around the spout is cut and removed,
In the same filling process of the standing pouch as in the conventional case, while the contents are accommodated from the injection port, the injection port portion on the upper side is heat-sealed and sealed, and the injection port with the injection port shown in FIGS. A vertical-seal type flexible packaging bag that is easy to open was manufactured.
【0036】本発明の実施例3の開封が容易な軟質包装
袋においては、軟質包装袋20の注出口の周辺熱融着部
21の相対する2個所に、引裂き強度などが優れた2軸
延伸ナイロンと延伸ポリエステルとを貫通した、図1E
に示す実線状の切断開始傷加工a ,aを施して、また軟
質包装袋20の切断開始傷加工a ,aを結ぶ線上の非熱
融着部分に、引裂き強度などが優れた2軸延伸ナイロン
のみを貫通した、図1Eに示す実線状の切断継続傷加工
bを、切断開始傷加工a ,aに連続して施して、さらに
軟質包装袋20の注出口の端辺から周辺熱融着部21の
途中までの切断開始傷加工a ,aに替えて、2軸延伸ナ
イロンと延伸ポリエステルと線状低密度ポリエチレンと
の全層を貫通した、図1Eに示す実線状の切断加工c ,
cを施したことによって、実線状の切断加工c ,cに指
を掛けて、軽く引裂くだけで、簡単に実線状の切断開始
傷加工a ,aを引裂いて実線状の切断継続傷加工bを切
断して、容易に注出口を開封することができる、しかも
結ぶ線上の位置が完全に一致した、また図1Fに示す上
面側と下面側との位置が一致した、全層を貫通した切断
加工c ,cと2軸延伸ナイロンと延伸ポリエステルとを
貫通した切断開始傷加工a ,aと2軸延伸ナイロンのみ
を切断継続傷加工bとを、レーザーを照射して連続して
施したために、引裂かれる方向が曲る恐れがない、特に
切断開始を容易にした( 注出口の )開封が容易な軟質包
装袋を得ることができた。In the flexible packaging bag of Example 3 of the present invention, which is easy to open, the biaxial stretching which is excellent in tear strength and the like is provided at two facing portions of the peripheral heat-sealing portion 21 of the spout of the flexible packaging bag 20. Penetration through nylon and stretched polyester, FIG. 1E
The biaxially stretched nylon having excellent tear strength and the like at the non-heat-bonded portion on the line connecting the cutting start scratches a 1, a of the flexible packaging bag The continuous cutting processing b for continuous cutting shown in FIG. 1E, which penetrates only the cutting start scratch processing a 1, a, is continuously applied, and further, from the end side of the spout of the flexible packaging bag 20 to the peripheral heat fusion portion. In the middle of 21, cutting start scratches a 1, a are replaced with a, and all the layers of biaxially stretched nylon, stretched polyester, and linear low-density polyethylene are penetrated, and the solid line cutting process c shown in FIG.
By applying c, it is possible to easily tear the solid-line cutting start scratches a 1 and a by simply tearing the solid-line cutting processes c 1 and c with a finger and tearing the solid-line cutting continuous scratching processes b 1 and b 2. Cutting process that can easily cut and open the spout, the positions on the connecting line are completely the same, and the positions of the upper surface and the lower surface shown in FIG. c, c, a cutting start scratch processing penetrating the biaxially stretched nylon and the stretched polyester, and a continuous scratch processing b cutting a, a and the biaxially stretched nylon alone are continuously applied by irradiating a laser, resulting in tearing. It was possible to obtain a flexible packaging bag that is easy to open (at the spout) and that does not have a risk of bending in the direction in which it is bent, and that particularly facilitates cutting.
【0037】また、本発明の実施例3の開封が容易な軟
質包装袋においては、従来と同様のスタンディングパウ
チの製袋工程で、実施例1 ,実施例2とは異なって、6
2mmの底幅部分を折込みながら2つ折りするために、
図1Fに示す上面側と下面側との、それぞれの切断加工
c ,傷加工a ,b ,a ,切断加工cの位置を一致させ難
い場合に、引裂き強度などが優れた2軸延伸ナイロンと
ガスバリアー性などが優れた延伸ポリエステルと密封性
などが優れた線状低密度ポリエチレンとを積層して、前
記スタンディングパウチの製袋工程で、62mmの底幅
部分を折込みながら2つ折りした状態で、実線状の切断
開始傷加工a ,aと実線状の切断継続傷加工bと実線状
の切断加工c ,cとを、前述した炭酸ガスレーザー装置
の同じパワーの2本の照射ノズルを使用して、それぞれ
の切断加工c ,傷加工a ,b ,a,切断加工cの位置を
完全に一致させて、上面側と下面側とから同時に、レー
ザーを照射して連続して施すこともできる。Further, in the flexible packaging bag of Example 3 of the present invention which is easy to open, the same process as in the conventional method for forming a standing pouch differs from that of Examples 1 and 2 in that
In order to fold it in half while folding the 2 mm bottom width part,
When it is difficult to match the positions of the cut processing c and the scratch processing a, b, a, and the cut processing c on the upper surface side and the lower surface side shown in FIG. 1F, it is preferable to use biaxially stretched nylon and gas that have excellent tear strength and the like. The stretched polyester having excellent barrier properties and the linear low-density polyethylene having excellent sealing properties are laminated, and in the bag making step of the standing pouch, the bottom width portion of 62 mm is folded in two and folded in two. The cutting start scratch processing a 1, a 2 and the continuous linear cutting processing b 1 and the continuous cutting processing c 1, c 2 are performed using two irradiation nozzles of the same power of the carbon dioxide laser device described above. The positions of the cutting process c, the scratch processes a, b, a, and the cutting process c may be perfectly aligned, and laser irradiation may be performed simultaneously from the upper surface side and the lower surface side to perform continuous processing.
【0038】[0038]
【発明の効果】以上、実施例ほかに示すとおり、本発明
の開封が容易な軟質包装袋においては、香辛料や食品類
や詰替え洗剤などを幅広く収容する、三方シール式や竪
型シール式( スタンディングパウチ )などの、従来のI
字状やV字状などの切断開始切欠きdに替えて、延長線
上又は結ぶ線上の位置が完全に一致した、シーラント層
4を残して少なくともベースフィルム層2( とバリアー
層3と )を貫通した切断開始傷加工aと、ベースフィル
ム層2のみを貫通した切断継続傷加工bとを、連続して
施した、また少なくともベースフィルム層2と( バリア
ー層3と )シーラント層4との全層を貫通した切断加工
cと、前述した切断開始傷加工aと切断継続傷加工bと
を、連続して施した、引裂かれる方向が曲る恐れがない
開封が容易な軟質包装袋を提供することができる。As described above, in the soft packaging bag of the present invention which is easy to open, as shown in the other examples, a three-sided seal type or a vertical seal type (a vertical seal type, which accommodates a wide range of spices, foods, refill detergents, etc.) Conventional I such as standing pouch
Instead of the cutting start notch d having a V-shape or the like, the position on the extension line or the connecting line is completely matched, and at least the base film layer 2 (and the barrier layer 3) is left, leaving the sealant layer 4. The cutting start scratch processing a and the continuous cutting scratch processing b that penetrates only the base film layer 2 are continuously applied, and at least all layers of the base film layer 2 and the (barrier layer 3) and the sealant layer 4 are formed. To provide a flexible packaging bag that is easy to open and that has a cutting process c that penetrates through the cutting process, a cutting start scratching process a, and a cutting continuing scratching process b described above that are continuously applied and that does not have a risk of bending in a tearing direction. You can
【図1】本発明の実施例1 ,実施例2 ,実施例3におけ
る、図1A ,C ,Eは、開封が容易な軟質包装袋の平面
図 ,斜視正面図であって、図1Bは、切断開始傷加工a
と切断継続傷加工bとを連続して施した、また図1D ,
Fは、切断開始傷加工a,aと切断継続傷加工bと切断
加工c ,cとを連続して施した、開封が容易な軟質包装
袋の断面説明図である。1A, 1C, 1C, 1E, 1C, 1E, 1E, 1C, 1E, 1E, 1C, 1E, 1E, 1C, 1E, 1E, 1E, 1C, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, 1E, and 1E of the present invention. Cutting start scratch processing a
And the continuous cutting process b were continuously performed, and as shown in FIG.
F is a cross-sectional explanatory view of a flexible packaging bag that is easy to open, in which cutting start scratch processing a, a, continuous cutting scratch processing b, and cutting processing c 1, c are continuously performed.
【図2】従来の、図2A ,B ,C ,Dは、開封が容易な
軟質包装袋の平面図 ,斜視正面図である。2A, 2B, 2C, and 2D are plan views and perspective front views of a flexible packaging bag that is easy to open.
2 …ベースフィルム層 3 …バリアー層 4 …シーラント層 20 …軟質包装袋 21 …周辺熱融着部 a …切断開始傷加工 b …切断継続傷加工 c …切断加工 d …切断開始切欠き 2 ... Base film layer 3 ... Barrier layer 4 ... Sealant layer 20 ... Flexible packaging bag 21 ... Peripheral heat fusion part a ... Cutting start scratch processing b ... Cutting continuous scratch processing c ... Cutting d ... Cutting start notch
───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 3E064 AB11 BA22 BB03 BC18 EA12 HN06 HP01 HP02 ─────────────────────────────────────────────────── ─── Continued front page F-term (reference) 3E064 AB11 BA22 BB03 BC18 EA12 HN06 HP01 HP02
Claims (6)
とシーラント層4とを積層して、周辺部を熱融着して成
る各種形状の軟質包装袋20であって、この軟質包装袋
20の周辺熱融着部21に、シーラント層4を残して少
なくともベースフィルム層2を貫通した、実線状又は破
線状の切断開始傷加工aを施して、また軟質包装袋20
の切断開始傷加工aの延長線上の非熱融着部分に、ベー
スフィルム層2のみを貫通した、破線状又は実線状の切
断継続傷加工bを、切断開始傷加工aに連続して施した
ことを特徴とする開封が容易な軟質包装袋。1. At least a base film layer 2 from the outer surface side.
And a sealant layer 4 are laminated, and a flexible packaging bag 20 of various shapes is formed by heat-sealing the peripheral portion, and the sealant layer 4 is left on the peripheral heat-sealing portion 21 of the soft packaging bag 20. A solid line or broken line cutting start flaw processing a which penetrates at least the base film layer 2 is applied, and the flexible packaging bag 20
In the non-heat-bonded portion on the extension line of the cutting start scratch processing a, the continuous cutting processing b of broken line or solid line which penetrates only the base film layer 2 is continuously applied to the cutting start scratch processing a. A flexible packaging bag that is easy to open characterized in that
とシーラント層4とを積層して、周辺部を熱融着して成
る各種形状の軟質包装袋20であって、この軟質包装袋
20の周辺熱融着部21の相対する2個所に、シーラン
ト層4を残して少なくともベースフィルム層2を貫通し
た、実線状又は破線状の切断開始傷加工a ,aを施し
て、また軟質包装袋20の切断開始傷加工a ,aを結ぶ
線上の非熱融着部分に、ベースフィルム層2のみを貫通
した、破線状又は実線状の切断継続傷加工bを、切断開
始傷加工a ,aに連続して施したことを特徴とする開封
が容易な軟質包装袋。2. At least the base film layer 2 from the outer surface side.
A flexible packaging bag 20 of various shapes formed by laminating a sealant layer 4 and a sealant layer 4 and heat-sealing the peripheral portion, and sealant is provided at two opposite positions of the peripheral heat-sealing portion 21 of the soft packaging bag 20. A solid line or broken line cutting start scratch processing a 1, which passes through at least the base film layer 2 with the layer 4 left, and a non-heat on the line connecting the cutting start scratch processing a 1, a of the flexible packaging bag 20. A soft, easy-to-open piece characterized in that a continuous cutting process b of a broken line or a solid line, which penetrates only the base film layer 2, is continuously applied to the cutting start scratch process a 1, a in the fusion-bonded portion. Packaging bag.
な軟質包装袋において、軟質包装袋20の端辺から周辺
熱融着部21の途中までの切断開始傷加工aに替えて、
少なくともベースフィルム層2とシーラント層4との全
層を貫通した、実線状の切断加工cを施したことを特徴
とする開封が容易な軟質包装袋。3. The soft packaging bag according to claim 1 or 2, which is easy to open, in place of the cutting start scratch processing a from the edge of the flexible packaging bag 20 to the middle of the peripheral heat-sealing portion 21. ,
A soft packaging bag that is easy to open, characterized by being subjected to a solid line cutting process c that penetrates at least all layers of the base film layer 2 and the sealant layer 4.
とバリアー層3とシーラント層4とを積層して、周辺部
を熱融着して成る各種形状の軟質包装袋20であって、
この軟質包装袋20の周辺熱融着部21に、シーラント
層4を残して少なくともベースフィルム層2とバリアー
層3とを貫通した、実線状又は破線状の切断開始傷加工
aを施して、また軟質包装袋20の切断開始傷加工aの
延長線上の非熱融着部分に、ベースフィルム層2のみを
貫通した、破線状又は実線状の切断継続傷加工bを、切
断開始傷加工aに連続して施したことを特徴とする開封
が容易な軟質包装袋。4. At least the base film layer 2 from the outer surface side.
A flexible packaging bag 20 of various shapes, which is formed by laminating a barrier layer 3 and a sealant layer 4, and heat-sealing the peripheral portion,
The peripheral heat-sealing portion 21 of the flexible packaging bag 20 is subjected to cutting start scratch processing a in a solid line or a broken line, which penetrates at least the base film layer 2 and the barrier layer 3 while leaving the sealant layer 4, and In the non-heat-bonded portion on the extension line of the cutting start scratch processing a of the flexible packaging bag 20, the continuous cutting processing b of broken line or solid line that penetrates only the base film layer 2 is continued to the cutting start scratch processing a. A flexible packaging bag that is easy to open and is characterized by being applied.
とバリアー層3とシーラント層4とを積層して、周辺部
を熱融着して成る各種形状の軟質包装袋20であって、
この軟質包装袋20の周辺熱融着部21の相対する2個
所に、シーラント層4を残して少なくともベースフィル
ム層2とバリアー層3とを貫通した、実線状又は破線状
の切断開始傷加工a ,aを施して、また軟質包装袋20
の切断開始傷加工a ,aを結ぶ線上の非熱融着部分に、
ベースフィルム層2のみを貫通した、破線状又は実線状
の切断継続傷加工bを、切断開始傷加工a ,aに連続し
て施したことを特徴とする開封が容易な軟質包装袋。5. At least the base film layer 2 from the outer surface side.
A flexible packaging bag 20 of various shapes, which is formed by laminating a barrier layer 3 and a sealant layer 4, and heat-sealing the peripheral portion,
A solid line or broken line cutting start flaw processing a that penetrates at least the base film layer 2 and the barrier layer 3 at two opposite positions of the peripheral heat fusion portion 21 of the flexible packaging bag 20 while leaving the sealant layer 4 a. , a, and a flexible packaging bag 20
Cutting start scratch processing of a, on the non-heat-bonded portion on the line connecting a,
A flexible packaging bag that is easy to open, characterized in that a continuous cutting process b of a broken line or a solid line that penetrates only the base film layer 2 is continuously applied to the cutting start scratch processes a 1 and a 2.
な軟質包装袋において、軟質包装袋20の端辺から周辺
熱融着部21の途中までの切断開始傷加工aに替えて、
少なくともベースフィルム層2とバリアー層3とシーラ
ント層4との全層を貫通した、実線状の切断加工cを施
したことを特徴とする開封が容易な軟質包装袋。6. The soft packaging bag according to claim 4 or 5, which is easy to open, in place of the cutting start scratch processing a from the edge of the flexible packaging bag 20 to the middle of the peripheral heat-sealing portion 21. ,
A flexible packaging bag that is easy to open, characterized by being subjected to a cutting process c in a solid line shape that penetrates at least all layers of the base film layer 2, the barrier layer 3, and the sealant layer 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001334368A JP2003137308A (en) | 2001-10-31 | 2001-10-31 | Easy-to-unseal flexible packaging bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001334368A JP2003137308A (en) | 2001-10-31 | 2001-10-31 | Easy-to-unseal flexible packaging bag |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2003137308A true JP2003137308A (en) | 2003-05-14 |
Family
ID=19149509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001334368A Pending JP2003137308A (en) | 2001-10-31 | 2001-10-31 | Easy-to-unseal flexible packaging bag |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2003137308A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170128542A (en) | 2015-04-16 | 2017-11-22 | 토요 세이칸 가부시키가이샤 | Packing bag |
-
2001
- 2001-10-31 JP JP2001334368A patent/JP2003137308A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170128542A (en) | 2015-04-16 | 2017-11-22 | 토요 세이칸 가부시키가이샤 | Packing bag |
US10793334B2 (en) | 2015-04-16 | 2020-10-06 | Toyo Seikan Co., Ltd. | Packaging bag |
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