KR100567922B1 - Manufacturing method and mold of injectable liquid container in which the fine nozzle to be cut is formed integrally with a stopper - Google Patents
Manufacturing method and mold of injectable liquid container in which the fine nozzle to be cut is formed integrally with a stopper Download PDFInfo
- Publication number
- KR100567922B1 KR100567922B1 KR1019980016232A KR19980016232A KR100567922B1 KR 100567922 B1 KR100567922 B1 KR 100567922B1 KR 1019980016232 A KR1019980016232 A KR 1019980016232A KR 19980016232 A KR19980016232 A KR 19980016232A KR 100567922 B1 KR100567922 B1 KR 100567922B1
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- KR
- South Korea
- Prior art keywords
- mold
- container
- nozzle
- air
- blow molding
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 title claims description 4
- 239000011347 resin Substances 0.000 claims abstract description 27
- 229920005989 resin Polymers 0.000 claims abstract description 27
- 238000000071 blow moulding Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- 239000011521 glass Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 4
- 229940079593 drug Drugs 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000007666 vacuum forming Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229940124508 injectable medicine Drugs 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/18—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using several blowing steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4252—Auxiliary operations prior to the blow-moulding operation not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
가. 청구범위에 기재된 발명이 속하는 기술분야.end. The technical field to which the invention described in the claims belongs.
본 발명은 현재 사용되고 있는 주사약용기가 유리로 되어 있어 사용상 단점이 많아 이를 플라스틱 용기로 대체함에 있어서 용기의 사용을 위하여 절취되는 노즐을 부로우성형으로 성형토록 하는 주사약액용기의 제조방법에 관한 것이다.The present invention relates to a manufacturing method of an injection drug container, which is made of glass, which has a disadvantage in use because it is made of glass, and has a nozzle blown for the use of the container in blow molding.
나. 발명이 해결하려는 기술적 과제.I. The technical problem to be solved by the invention.
현재 플라스틱으로 사용되는 주사약 용기로는 한 장의 시트를 진공성형에 의한 성형된 2장의 양면을 열접착시킴으로서 제조되는 방식이 있으나 이러한 방식은 공정상의 복잡함으로 원가상승의 요인이 되고 있는 것이고, 또한 접착의 불량에 의한 제품의 하자가 발생되는 요인이 되고 있는 것이고 부로우 성형으로 용기를 성형토록 할 경우에는 절취되는 노즐부분이 부로우 성형을 위하여 주입되는 용융된 수지가 금형내에서 밀착되어버리기 때문에 공기가 주입될 경우에는 미세한 부분에 대하여는 부로우성형이 불가능한 단점이 있었다.Currently, the injection container used as a plastic is manufactured by thermally bonding two sheets of two sheets formed by vacuum forming one sheet, but this method is a factor of cost increase due to the complexity of the process, The defect of the product is caused by the defect, and when the container is molded by blow molding, the air is released because the melted resin injected into the blow mold adheres in the mold. In the case of injection, there was a disadvantage in that blow molding was impossible for a minute part.
다. 발명의 해결방법의 요지.All. Summary of the Solution of the Invention.
본 발명은 이러한 문제점의 해결을 위한 것으로 부로우성형에 있어서 1,2차의 공기압을 이용함으로서 용기의 노즐부분이 밀착되지 않토록 팽창토록 한 상태에서 금형에 취부하여 2차 공기압을 주입토록 함으로서 절취되는 미세한 노즐부분도 부로우성형이 가능토록 한 것이다.The present invention is to solve this problem, by using the first and second air pressure in blow molding, the nozzle part of the container is mounted in the mold in such a state that it is expanded so that the nozzle portion is not in close contact, and is cut by injecting the second air pressure. The fine nozzle part can be blow-molded.
라. 발명의 중요한 용도la. Important uses of the invention
노즐에 의한 마개가 일체로 형성되는 주사약 용기.An injection medicine container in which a stopper by a nozzle is integrally formed.
Description
본 발명은 현재 사용되고 있는 주사약용기가 유리로 되어 있어 사용상 단점이 많아 이를 플라스틱 용기로 대체함에 있어서 용기의 사용을 위하여 절취되는 노즐을 부로우성형으로 성형토록하는 주사약액용기의 제조방법에 관한 것이다.The present invention relates to a manufacturing method of an injection medicine container which is made of glass, and thus has many disadvantages in use because it is made of glass, so that the nozzles cut for use of the container are molded into blow molding in replacing them with plastic containers.
특히 부로우 성형에 의하여 플라스틱의 약액용기를 제조함에 있어서, 용기의 개폐를 위한 토출구가 노즐부분으로 형성되면서 마개가 일체로 형성되어 사용할 때에 마개를 비틀면 노즐부분이 노출되면서 노즐부분으로 용기에 충전되어 있는 내용물을 사용할 수 있도록 되는 플라스틱의 제조방법에 관한 것이다.In particular, in the manufacture of a chemical liquid container of plastic by blow molding, the discharge port for opening and closing the container is formed as a nozzle portion, the stopper is formed integrally, and when the cap is twisted in use, the nozzle portion is exposed and the container is filled with the nozzle portion. The present invention relates to a method for producing a plastic that can be used in the contents.
현재 이러한 플라스틱 용기는 주로 병원에서 주사약 용기로 사용됨으로서 종래의 유리용기로 사용될 경우에 발생될 수 있는 문제점을 해결하고 있으나 이러한 플라스틱 용기가 진공성형에 의한 양면 접착으로 제조되고 있기 때문에 이러한 접착부위에 의한 제품의 하자와 제품의 성형이 다수개를 동시에 성형하기가 불가능하고 또한 가능할 경우에도 용기와 용기의 연결부위에대한 절취가 용이치 아니하기 때문에 제조시의 이와 같은 문제점으로 인하여 제조원가가 상승되는 문제점이 있고, 특히 용기에 충전되어 있는 내용물의 사용을 위하여 마개를 제거할 경우에 노즐부분이 정확하게 성형되지 않아 사용할 때에 많은 문제점이 있는 것이다.Currently, these plastic containers are mainly used as injectable medicine containers in hospitals to solve the problems that may occur when used in conventional glass containers, but since these plastic containers are manufactured by double-sided adhesion by vacuum molding, Even if the defects of the product and the molding of the product are impossible to mold at the same time and it is possible, the cutting cost of the container and the connection part of the container is not easy, and thus the manufacturing cost increases due to such problems in manufacturing. In particular, when the plug is removed for the use of the contents filled in the container, the nozzle part is not molded correctly, which causes many problems.
따라서 일본국 특개소 평2-113928호에서는 용기와 용기의 연결부위에 대한 절취가 용이토록 하고 또한 성형을 부로우성형으로 함으로서 생산성의 향상을 도모한 것이 있으나 이러한 것의 단점은 주사약액 용기로의 사용을 위하여는 마개가 절취가 가능토록 되어야 하고 이를 위하여는 절취되는 부분이 노즐의 타입으로 성형되어야 하는 것이어서 성형시에 노즐부분이 밀착되어 성형을 위하여 공기를 주입시키는 시간이 정확하게 일치되지 않을 경우에는 노즐부분이 밀착되어 제품의 불량이 발생되어 결국 생산성에서 많은 문제점이 야기되고 있는 것이다.Therefore, Japanese Unexamined Patent Application Publication No. 2-113928 facilitates the cutting of the container and its connection part and improves the productivity by making the molding into blow molding, but the disadvantage of this is the use as an injection medicine container. For this purpose, the stopper should be able to be cut and for this purpose, the part to be cut should be molded into the type of nozzle. Therefore, when the nozzle part is in close contact during molding and the time for injecting air for molding does not match exactly, the nozzle The parts are in close contact with each other, resulting in product defects, resulting in many problems in productivity.
본 발명은 상기한 종래의 문제점을 해결하기 위하여 안출한 것으로서, 부로우성형으로 제조하면서도 노즐부분이 접착되지 않토록 하면서 대량생산이 가능토록 함으로서 종래의 문제점을 해결한 것이다.The present invention has been made to solve the above-mentioned conventional problems, and solved the conventional problems by allowing the mass production to be made while the nozzle portion is not bonded while being manufactured in the blow molding.
이를 위하여 용융된 수지가 금형에 취부되기 이전에 1차로 공기를 주입하여 용융된 수지를 팽창시킨 상태에서 금형에 취부시킬 경우에는 공기를 서서히 제거하면서 취부시키고 취부시킨후에는 2차로 공기를 주입하여 성형토록 함으로서 노즐부분이 밀착되는 것을 방지토록 되어 주사약액용기로의 사용이 가능토록 한 것이다.For this purpose, when molten resin is injected into the mold firstly and air is injected into the mold while the molten resin is expanded, the air is gradually removed and then air is injected secondly to form the molten resin. This prevents the nozzle part from coming into close contact with each other so that it can be used as an injection liquid container.
이하에서는 첨부 도면을 참조하여 본 발명의 가장 바람직한 일실시예를 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
제 1도에 도시된 바와 같이 본 발명의 제조방법으로는 호파(100)에 저장되어 있는 수지가 용융수지로 토출되기 위하여는 실린더(200)를 통과할 경우 실린더(200)내에 장착되어 있는 스크루(300)의 회전력에 의하여 통과되면서 실린더(200)의 외벽에 장착된 히터(400)에 의하여 용융되어지는 것이고, 이와 같이 용융된 수지는 노즐(500)을 통과하면서 관타입으로 토출되어지면 토출되는 선단을 접지시켜 밀봉하고 이를 금형(600)에 주입하여 토출되는 수지를 절단하여 금형을 닫으면서 금형으로 공기를 주입하여 관타입의 용융된 수지가 용기로 성형되어지는 공지의 부로우 성형방법에 있어서, 노즐(500)을 통하여 토출되는 용융된 수지의 하단이 접지된 상태에서 관타입의 용융된 수지의 내부로 1차로 공기를 주입하여 팽창시키고 이를 금형에 삽입시키기 전에 공기를 배기시키면서 일정하게 팽창된 상태를 유지한 상태에서 금형에 취부토록 한후 2차로 공기를 주입하여 성형시키도록 되는 방법이다.As shown in FIG. 1, in the manufacturing method of the present invention, when the resin stored in the hopper 100 passes through the cylinder 200 in order to be discharged to the molten resin, the screw mounted in the cylinder 200 ( It is melted by the heater 400 mounted on the outer wall of the cylinder 200 while being passed by the rotational force of 300, the tip is discharged when the molten resin is discharged in the tubular type while passing through the nozzle 500 In a known blow molding method in which a tube is made of a molten resin molded into a container by grounding and sealing it, injecting the same into the mold 600, cutting the discharged resin, closing the mold, and injecting air into the mold. In the state where the lower end of the molten resin discharged through the nozzle 500 is grounded, the air is first injected into the tubular molten resin and expanded before inserting it into the mold. It is a method of forming by injecting air into the mold after mounting to the mold in the state of maintaining a constant expanded state while exhausting.
이때 1차로 공기를 주입하여 팽창시킬 경우에는 주입되는 공기의 압은 노즐(500)을 통하여 토출되는 용융된 수지가 늘어나는 상태가 아니고 밀착되어지지 않을 정도로 주입시키는 것이다.In this case, when the air is expanded by injecting the primary air, the pressure of the injected air is injected to the extent that the molten resin discharged through the nozzle 500 is not in a stretched state and is not in close contact.
또한 금형에 취부시키기 전에 공기를 배기시키는 이유는 용융된 수지가 팽창된 상태에서 금형에 취부될 경우에는 금형에 의하여 용융된 수지가 가압되어지면서 용융된 수지에 변형이 발생되는 것을 방지하기 위한 것이다.In addition, the reason why the air is exhausted before attaching to the mold is to prevent deformation of the molten resin while pressing the molten resin by the mold when the molten resin is attached to the mold in the expanded state.
따라서 용융된 수지가 노즐(500)을 통하여 토출될 경우에 1차로 공기를 주입하여 팽창시키면 팽창된 부분으로 인하여 노즐부분(4)의 성형이 가능토록 되는 것이고 노즐부분(4)의 좀더 정확한 성형을 위하여는 제2도에 도시된 바와 같이 금형의 하단금형(3)에 스프링(7)에 의하여 탄지토록 되는 코아(8)를 장착함으로서 노즐부분(4)의 정확한 성형이 가능토록 한 것이다.Therefore, when the molten resin is discharged through the nozzle 500, when the air is first injected and expanded, the expansion of the nozzle part 4 is possible due to the expanded part, and more precise molding of the nozzle part 4 is achieved. To this end, as shown in FIG. 2, the nozzle 8 is formed by mounting the core 8 which is held by the spring 7 to the lower mold 3 of the mold.
또한 용기의 대량생산을 위하여 금형에 공기통로(6)를 요설하여 한번에 여러개의 제품생산이 가능토록 한 것이다.In addition, the air passage (6) in the mold for the mass production of the container to enable the production of several products at once.
따라서 노즐을 통하여 토출되는 용융된 수지를 1차로 팽창시킨후 이를 금형에 취부하기 전에 팽창시키고 있는 공기를 적당하게 배기시키면서 금형에 취부시킨 후 공기를 주입하면 금형에 요설된 공기통로를 통하여 공기가 주입되면서 노즐부분과 마개가 형성되는 용기를 대량으로 생산이 가능토록 되는 것이다.Therefore, inflate the molten resin discharged through the nozzle to the mold first while expanding the molten resin firstly before installing it on the mold, and then inject air into the mold. As a result, a large quantity of containers capable of forming nozzles and stoppers can be produced.
이러한 방법을 사용함으로서 노즐부분을 갖는 어떠한 플라스틱 용기를 제조할 수 있음은 물론 각종 아이스케이크와 청량음료 또는 각종 드링크제의 용기등으로 대체할 수 있는 것이다.By using this method, any plastic container having a nozzle portion can be manufactured, and it can be replaced by various ice cakes, soft drinks, or various drink containers.
상술한 바와 같이 본 발명에 의하면 노즐부분으로 마개(5)의 제거가 가능한 것이고 여러개를 동시에 생산토록 함으로서 생산성의 향상을 도모할 수 있는 것이고 접착부위가 없이 1번에 제조토록 함으로서 제품의 불량을 없앨 수 있는 것이다.As described above, according to the present invention, it is possible to remove the stopper 5 by the nozzle part and to improve the productivity by producing several at the same time, and to eliminate the defects of the product by manufacturing at once without the adhesive part. It can be.
도 1은 본 발명의 제조공정을 나타낸 공정 블럭도.1 is a process block diagram showing a manufacturing process of the present invention.
도 2는 본 발명의 노즐의 성형을 위한 금형구성의 일례를 나타낸 개략도.Figure 2 is a schematic diagram showing an example of a mold configuration for molding the nozzle of the present invention.
도 3는 본 발명의 의한 금형의 내부구조를 나타낸 평면도.3 is a plan view showing the internal structure of the mold according to the present invention.
〈도면의주요부분에대한부호의설명〉<Description of the symbols on the main parts of the drawings>
1 : 상단금형 2 : 중단금형1: upper mold 2: interrupting mold
3 : 하단금형 4 : 노즐부분3: lower mold 4: nozzle part
5 : 마개 6 : 공기통로5: stopper 6: air passage
7 : 스프링 8 : 코아7: spring 8: core
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980016232A KR100567922B1 (en) | 1998-05-07 | 1998-05-07 | Manufacturing method and mold of injectable liquid container in which the fine nozzle to be cut is formed integrally with a stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980016232A KR100567922B1 (en) | 1998-05-07 | 1998-05-07 | Manufacturing method and mold of injectable liquid container in which the fine nozzle to be cut is formed integrally with a stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980033670A KR19980033670A (en) | 1998-07-25 |
| KR100567922B1 true KR100567922B1 (en) | 2006-07-06 |
Family
ID=37183689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980016232A KR100567922B1 (en) | 1998-05-07 | 1998-05-07 | Manufacturing method and mold of injectable liquid container in which the fine nozzle to be cut is formed integrally with a stopper |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100567922B1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0292616A (en) * | 1988-09-30 | 1990-04-03 | Mitsui Petrochem Ind Ltd | Method and apparatus for manufacturing partitioned container, partitioning part of which being easily communicated by external force |
| JPH02113928A (en) * | 1988-09-21 | 1990-04-26 | Bernd Hansen | Manufacture of hollow plastic vessel |
| JPH0924540A (en) * | 1995-07-12 | 1997-01-28 | Nissei Asb Mach Co Ltd | Blow molding machine and blow molding method |
| US5795533A (en) * | 1994-02-23 | 1998-08-18 | Mehnert; Gottfried | Method and device for the manufacturing of hollow articles made from thermoplastic material by blow moulding |
-
1998
- 1998-05-07 KR KR1019980016232A patent/KR100567922B1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02113928A (en) * | 1988-09-21 | 1990-04-26 | Bernd Hansen | Manufacture of hollow plastic vessel |
| JPH0292616A (en) * | 1988-09-30 | 1990-04-03 | Mitsui Petrochem Ind Ltd | Method and apparatus for manufacturing partitioned container, partitioning part of which being easily communicated by external force |
| US5795533A (en) * | 1994-02-23 | 1998-08-18 | Mehnert; Gottfried | Method and device for the manufacturing of hollow articles made from thermoplastic material by blow moulding |
| JPH0924540A (en) * | 1995-07-12 | 1997-01-28 | Nissei Asb Mach Co Ltd | Blow molding machine and blow molding method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980033670A (en) | 1998-07-25 |
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