JP2001180625A - Packaging corrugated board box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging corrugated board box which is easily closed with an adhesive tape applied while being openable easily with the adhesive tape separated and reusable with opening made without giving damages to the corrugated board. SOLUTION: A coating agent available for sticking a single-faced adhesive tape 15 thereon and allowing the single-faced adhesive tape 15 only to be separated from the surface of a linerboard of a corrugated board without giving damages thereto is applied to the surfaces at the edges of outer flaps 6a, 6b which close an opening of a corrugated board box 1 with the single-faced adhesive tape 15 stuck thereto and the surfaces of side faces 3a at positions close to the outer flaps, and the single-faced adhesive tape 15 is stuck onto coating agent-applied parts 9a, 9b and 10a, 10b so that the opening of the corrugated board box can be closed with the outer flaps. Therefore, the closed corrugated board box can be opened without giving damages to the corrugated boards themselves, and the opened box can be reclosed easily with the used adhesive tape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging which can be easily used for closing a cardboard box with an adhesive tape and opening the adhesive tape by peeling off the cardboard box, and opening the cardboard box without damaging it. It relates to a cardboard box for use.

[0002]

2. Description of the Related Art There are many packaging materials for protecting the value and condition of goods during transportation and storage, and among them, corrugated cardboard has an overwhelming demand due to its low cost and ease of use. have. The corrugated cardboard has a liner (corrugated cardboard) on the front surface formed by a combination of corrugated sheets, a single-sided corrugated cardboard formed on only one side, a double-sided corrugated cardboard formed on both sides, a double-sided corrugated cardboard formed on two sides, and a three-layered corrugated cardboard. Double-sided cardboard (triple-fall) is known, but double-sided cardboard or double-sided cardboard is generally used for packaging in a cardboard box.

A corrugated cardboard box formed by using such corrugated cardboard stores predetermined articles in a box shape assembled with an upper portion as an opening, and then turns inner flaps on the mutual opening side toward the opening. Then, the outer flaps on the mutual opening side corresponding to the lid are folded from above, and an adhesive tape (single-sided adhesive tape, for example, a gum tape) or the like is stuck to a portion closed by the outer flaps to close. Things.

[0004]

The cardboard box closed by the adhesive tape is opened by peeling off the adhesive tape from the outer flap when the cardboard box is opened, but the adhesive tape remains attached to the liner on the cardboard surface. In such a case, the adhesive tape is peeled off to make it difficult to reuse the adhesive tape, and the liner of the cardboard box itself is also damaged, so that there has been a problem that it cannot be used repeatedly.

[0005] This problem is extremely inconvenient when, for example, opening a sealed cardboard box to show a stored article and then resealing it during product inspection at the time of shipment or inspection in the market, the liner has been attached. Even if you try to forcibly seal it with an adhesive tape, it cannot be sealed sufficiently, resulting in a badly-shaped package. An object of the present invention is to provide a packaging cardboard box which solves such a problem, can easily close and open the cardboard box, and can be opened without damaging the cardboard box.

[0006]

That is, a first aspect of the present invention is to provide a cardboard box having a pair of outer flaps for closing an opening, and a pair of width surfaces close to the outer flaps. Apply a coating agent on the surface that allows the adhesive tape to be stuck and that can remove only the stuck adhesive tape from the liner surface without damaging the liner on the cardboard surface. A packaging corrugated cardboard box characterized in that an adhesive tape is stuck thereon so that an opening of the corrugated cardboard box is closed with an outer flap.

A second aspect of the present invention is the packaging cardboard box according to the first aspect, wherein the coating agent comprises a mixture of acryl, styrene, and silicon.

According to a third aspect of the present invention, a tape peeling mechanism comprising a notch having a knob for facilitating the peeling of the adhesive tape is formed in the liner at the end of the coating agent applied to the width surface. The packaging cardboard box according to claim 1 or 2, wherein:

According to a fourth aspect of the present invention, in the tape peeling mechanism, the notch formed at the tip of the knob is pushed by a finger, and the knob is pinched by a finger to form a notch. 4. The packaging according to claim 3, wherein only the liner portion is moved, and the end of the single-sided adhesive tape attached to the surface of the moved liner portion is peeled off from the liner portion. It is a cardboard box for use.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS This corrugated cardboard box has a pair of length surfaces formed on a cardboard in an unfolded state, a bottom surface outer flap connected to a width surface and each length surface, an opening outer flap and each width surface. It is composed of a continuous bottom inner flap and a margin connected to the opening inner flap and the length surface. These boundaries are bent in a conventional manner to form a predetermined cardboard box, and the size is arbitrary.

The corrugated cardboard used for this purpose may be a corrugated cardboard consisting of a core and a liner on the surface of the corrugated cardboard.

A coating agent is applied to a surface of an edge of the outer flap of the opening of the corrugated cardboard in a developed state and to a surface of a pair of width surfaces close to the outer flap side. It is also possible that only the adhesive tape that can be stuck and that has been stuck without damaging the liner on the cardboard surface can be peeled from the liner surface.

The coating agent is a varnish made of a mixture of acryl, styrene and silicon, and has a composition ratio of 3% by weight of acryl and 77% of styrene.
% By weight and 20% by weight of silicon. This coating agent
Like the ink for cardboard, there is no problem in hygiene and it is not harmful to the environment.

As the adhesive tape applied to the surface of the coating agent, 0PP tape, kraft tape, and other assembling tapes can be used.

A cut portion having a knob portion is formed in a portion of the liner of the cardboard in a coating agent applied portion applied to a central portion of the surface of the cardboard close to the flap outside the opening of the width surface constituting the cardboard box of the present invention. A configuration is provided in which a tape peeling mechanism is provided to facilitate peeling from the end of the adhesive tape.

In this tape peeling mechanism, the notch formed at the tip of the knob is pushed in with a finger so that the knob can be easily picked with a finger, and the notch is gripped with a finger and pulled to pull the notch. Only the formed liner portion is raised, and the end of the single-sided adhesive tape adhered to the surface of the raised liner portion can be easily peeled off from the liner portion.

[0017]

According to the present invention, there is provided a packaging cardboard box having an adhesive tape on an end surface of an outer flap for closing an opening of a cardboard box for adhering an adhesive tape, and a surface on a width surface near the outer flap side. Applying a coating agent that can be attached and that can only peel the attached adhesive tape from the liner surface without damaging the liner on the cardboard surface, and applying the adhesive tape on this coating agent The opening of the cardboard box was closed with an outer flap, so that the closed cardboard box could be opened and easily resealed using the adhesive tape used without damaging the cardboard itself. it can.

Therefore, it is possible to effectively contribute to the temporary opening of the packaged contents at the time of product inspection at the time of shipment or inspection at the market, and to save resources by saving cardboard and adhesive tape. Can contribute.

[0019]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cardboard box for packaging according to the present invention. FIG. 1 is a perspective view of the assembled cardboard box for packaging, and FIG. 2 is an expanded view thereof.

The packaging cardboard box 1 is a rectangular parallelepiped assembled from a double-sided cardboard or a double-sided cardboard consisting of a zigzag-shaped core and a liner on its surface. In the corrugated cardboard 1a, the bottom outer flaps 4a and 4b and the opening outer flap 6 which are respectively connected to the rectangular length surfaces 2a and 2b and the width surfaces 3a and 3b having predetermined dimensions, and the long sides of the respective length surfaces 2a and 2b.
a, 6b, and the bottom inner flaps 5a, 5b and the opening inner flaps 7a, 7b connected to the respective width faces 3a and 3b, respectively.
In addition, it is constituted by a margin 8 connected to the short side of the length surface 2a, and the boundary of each surface is folded by a separation line K and a folding line W according to a conventional method.

On the corrugated cardboard surfaces at the edges of the outer flaps 6a and 6b, the coating agent is applied in a range indicated by a dotted line with a width of about 35 mm, and the coating agent application section 9
a, 9b are formed. Also, the same coating agent is applied with a width of 70 mm to the center portion of the corrugated cardboard surface close to the opening outer flaps 6a, 6b on the width surfaces 3a, 3b to form coating agent application portions 10a, 10b. The agent application sections 10a and 10b are applied in such a manner that a part thereof enters the inside flaps 7a and 7b inside the openings appropriately.

Such a coating agent can adhere to a 50 mm wide single-sided adhesive tape 15 made of OPP tape, kraft tape, or the like, and forms a double-sided corrugated cardboard or a double-sided corrugated cardboard by sticking. The single-sided adhesive tape 15 attached without damaging the surface liner.
Only the material can be easily peeled off from the liner surface. The coating width of the coating agent is determined by the flap 6 outside the opening.
a, 6b, the opening outer flaps 6a, 6b
The single-sided adhesive tape 15 is
Is of sufficient width to be stuck on it.

The coating agent to be applied to the width faces 3a and 3b has a width enough for the single-sided adhesive tape to be stuck thereon.
That is, it is 70 mm wide, and the flap 6 outside the opening is used.
The coating agent applied to a and 6b and the coating agent applied to the width faces 3a and 3b are applied so that the liner of the cardboard is not exposed continuously when the opening of the cardboard box 1 is closed. .

As described above, the coating agent is a varnish made of a mixture of acrylic, styrene and silicon.

A tape peeling mechanism 11a is provided on a portion of the liner L of the cardboard in the coating agent application sections 10a and 10b.
11b is formed. This tape peeling mechanism 11a,
11b, as shown as one tape peeling mechanism 11a in FIG. 3, a notch 12a having a knob 13a at the liner L, and the width of the notch 12a is 15 mm and the length is 80 mm. At the tip of the knob 13a, a notch 14a having a length of 15 mm is separately formed up to the center of the core C. As shown in FIG. 4, the tape peeling mechanism 11a pushes the notch portion 14a with a finger to make it easy to pick the knob 13a, and as shown in FIG.
Of the single-sided adhesive tape 15 can be easily separated from the end of the single-sided adhesive tape 15 by causing the cut portion 12a to be picked up with a finger. The tape peeling mechanism 11a is formed at a right angle to the end of the single-sided adhesive tape 15 to which the cutout portion 14a is adhered, but may be formed in the longitudinal direction of the single-sided adhesive tape 15. Good.

The assembling of the cardboard 1a in the unfolded state into the cardboard box 1 is carried out by a conventional method by first bending each of the folding curves so that the length surfaces 2a and 2b and the width surfaces 3a and 3b are opposed to each other, and the bottom inner flap 5a 5b and the bottom outer flaps 4a and 4b are each folded inward so that the outer shape is substantially box-shaped. Next, the length side 2a is adhered to the width side 3b by a margin 8, and the bottom inner flaps 5a and 5b and the bottom outer flap 4 which are folded inward are provided.
a and 4b are fixed from the outside with a single-sided adhesive tape or the like to form a bottom portion, thereby forming a box shape having an open top. Thereafter, the inner flaps 7a and 7b are folded inward, and the outer flaps 6a and 6b are folded inward to obtain the cardboard box 1 in which the opening can be closed.

A predetermined article is stored inside the opening of the corrugated cardboard box 1 obtained as described above, and the opening is closed by folding the flaps 6a and 6b outside the opening as described above. The single-sided adhesive tape 15 is applied to the portions reaching the width surfaces 3a and 3b on both sides, so that the single-sided adhesive tape 15 is applied to the coating agents 9a and 9b applied to the flaps 6a and 6b outside the opening and to the width surfaces 3a and 3b. A package made of the closed cardboard box 1 is attached to the upper surfaces of the coated coating agents 10a and 10b.

When the sealed cardboard box 1 is to be opened, as shown in FIGS. 4 and 5, for example, the tape peeling mechanism 11 formed on the liner L on the width surface 3a.
The single-sided adhesive tape 15 can be peeled off by pushing the cut portion 14a of a with a finger and then picking the knob 13a with the finger to raise the cut 12a. At this time, the single-sided adhesive tape 15 is attached to the coating agent application section 10a,
Since they are stuck on 10b, 9a and 9b, only the single-sided adhesive tape 15 can be easily peeled off and opened without peeling off the liner L portion of the cardboard, so that the cardboard box 1 is resealed. In this case, the single-sided adhesive tape 15 can be used for resealing very easily.

[0029]

According to the present invention, the packaging cardboard box of the present invention comprises a cardboard box having an opening at the edge of an outer flap for adhering and closing an adhesive tape, and a surface having a width near the outer flap side. Apply a coating agent that allows the adhesive tape to be stuck and that can only peel the stuck adhesive tape from the liner surface without damaging the liner on the cardboard surface. Since it was configured to stick and close the opening of the cardboard box with the outer flap,
The sealed cardboard box can be opened and resealed easily using the used adhesive tape without damaging the cardboard itself, which can greatly contribute to labor saving.

This can contribute very effectively, especially when the packaged contents must be temporarily opened at the time of inspection in a product inspection market at the time of shipment, and can be made extremely effective. The adhesive tape can be saved and resources can be saved.

Further, the used cardboard can be easily disassembled when it is processed, and the sorting operation is very easy.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a cardboard box for packaging of the present invention.

FIG. 2 is an exploded view of the packaging cardboard box of FIG.

FIG. 3 is an enlarged plan view of a tape peeling mechanism provided in the packaging cardboard box of FIG. 1;

FIG. 4 is an explanatory view of the use of the tape peeling mechanism.

FIG. 5 is another use explanatory view of the tape peeling mechanism.

[Explanation of symbols]

 1 Cardboard Box for Packaging 1a Corrugated Cardboard 2a, 2b Expanded Surface 3a, 3b Width 4a, 4b Bottom Outer Flap 5a, 5b Bottom Inner Flap 6a, 6b Opener Outer Flap 7a, 7b Opener Inner Flap 8 Overlap 9a, 9b Coating agent application part 10a, 10b Coating agent application part 11a, 11b Tape peeling mechanism 12a, 12b Cut part 13a, 13b Knob part 14a, 14b Cut part 15 Single-sided adhesive tape W Fold curve C Middle core L Liner K Separation line

Claims (4)

[Claims] 1. An adhesive tape can be attached to the surfaces of the pair of outer flap edges for closing the opening of the cardboard box and the pair of width surfaces near the outer flap side.
Also, apply a coating agent that can peel only the adhered adhesive tape from the liner surface without damaging the liner on the corrugated cardboard surface. Characterized by being constructed so as to be closed by an outer flap. 2. The method according to claim 1, wherein the coating agent is acrylic, styrene,
The cardboard box for packaging according to claim 1, which is made of a mixture of silicon. 3. A tape peeling mechanism comprising a notch having a knob for facilitating peeling of an adhesive tape is formed in a liner at an end of the coating agent applied to the width surface. 3. The cardboard box for packaging according to 1 or 2. 4. The tape peeling mechanism pushes a notch formed at the tip of a knob with a finger, thereby gripping the knob with a finger and moving only the liner having the notch. ,
4. The packaging cardboard box according to claim 3, wherein the end of the single-sided adhesive tape stuck to the surface of the liner portion that has been moved is peeled off from the liner portion.