KR100493424B1 - The receptacle and method manufacture of duplex receptacle plastics transparent - Google Patents
The receptacle and method manufacture of duplex receptacle plastics transparent Download PDFInfo
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- KR100493424B1 KR100493424B1 KR10-2002-0084093A KR20020084093A KR100493424B1 KR 100493424 B1 KR100493424 B1 KR 100493424B1 KR 20020084093 A KR20020084093 A KR 20020084093A KR 100493424 B1 KR100493424 B1 KR 100493424B1
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- South Korea
- Prior art keywords
- outer cylinder
- inner cylinder
- cylinder
- inlet
- preform
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 26
- 229920003023 plastic Polymers 0.000 title abstract description 4
- 239000004033 plastic Substances 0.000 title description 3
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 24
- 239000000057 synthetic resin Substances 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims description 15
- 238000001746 injection moulding Methods 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000003303 reheating Methods 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920005668 polycarbonate resin Polymers 0.000 claims description 3
- 239000004431 polycarbonate resin Substances 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 235000013405 beer Nutrition 0.000 abstract description 14
- 241000190070 Sarracenia purpurea Species 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012778 molding material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/08—Injection 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection 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
- B29C49/4273—Auxiliary operations after 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
- 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
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/6409—Thermal conditioning of preforms
- B29C49/6418—Heating of preforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3837—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container
- B65D81/3841—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a bottle, jar or like container formed with double walls, i.e. hollow
-
- 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
- B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
- B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
- B29K2995/0015—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Packages (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
본 발명은 물컵, 맥주컵, 보온병 등으로 사용되는 투명 합성수지 이중 용기 제조 방법에 관한 것으로써, 더욱 상세하게는 투명 합성수지 용기를 이루는 내통과 외통을 인서트 인젝션 사출로 성형하는 것으로, 입구의 테두리를 외향으로 돌출 되도록 하고 상광하협으로 형성된 내통과, 입구 외측면에 수나사부를 형성하고, 상부와 하부가 동일한 직경으로 이루어진 몸체를 갖는 외통과, 상기 내통과 외통이 결합되어 입구를 밀봉하여 내용물이 보냉, 보온되도록 형성된 이중용기로된 제조방법을 제공하여 이중용기 내의 내용물을 외부에서 투시할 수 있도록 함과 동시에 경량화한 이중용기를 제공할 수 있도록 한 것이다.The present invention relates to a transparent synthetic resin double container manufacturing method used as a water cup, beer cup, thermos, and the like, and more particularly, by molding the inner cylinder and the outer cylinder forming the transparent plastic container by insert injection injection, the outer edge of the inlet The inner cylinder formed by the ordinary light and narrow inlet, a male screw portion formed on the outer surface of the inlet, the outer and outer cylinders having the same diameter as the upper and lower portions, and the inner cylinder and the outer cylinder are combined to seal the inlet to keep the contents cold and warm. By providing a manufacturing method of a double container formed so as to be able to see the contents in the double container from the outside and at the same time to provide a lightweight double container.
Description
본 발명은 물컵, 맥주컵, 보온병 등으로 사용되는 투명 합성수지 이중 용기 제조 방법에 관한 것으로써, 더욱 상세하게는 용기의 몸체를 내통과 외통으로 형성하되 내통과 외통 사이에 공간부를 구비하여 진공 단열부를 형성시켜서 보온효과를 향상시키고, 쉽게 파손되지 않으며, 외부에서도 육안으로 공간부에 장식된 내용물을 식별할 수 있도록 장식미를 연출하는 동시에 용기를 경량화 한 투명합성수지 이중용기 제조방법에 관한 것이다.The present invention relates to a transparent synthetic resin double container manufacturing method used as a water cup, beer cup, thermos, etc. More specifically, the body of the container is formed in the inner cylinder and the outer cylinder, but provided with a space between the inner cylinder and the outer cylinder vacuum insulation unit Forming to improve the warming effect, not easy to break, and to produce a transparent cosmetic resin double container to reduce the weight of the container at the same time to produce a decoration to identify the contents decorated in the space with the naked eye.
일반적으로 컵, 맥주컵 등은 유리 또는 합성수지로 형성하고, 보온병은 스테인레스재의 보온병이 시중에 대량으로 유통되고 있으며, 이 중 유리 및 합성수지 컵은 단일 몸체로 이루어져 장식부를 형성하기 위해서는 외면에 문자와 그림 등을 인쇄하거나, 컵 성형시 양각 및 음각을 형성하는 방법으로 문양이 표출되도록 하고 있으나 상기의 이러한 방법으로 문양을 형성할 경우 장기간 사용시 인쇄부분이 일부 벗겨져 외관상 미적 효과가 떨어지는 문제점이 있으며, 유리의 경우 중량이 무겁고 잘 깨지는 문제점이 있었다.In general, cups and beer cups are formed of glass or synthetic resin, and thermos bottles are made of stainless steel thermos in large quantities on the market. Among them, glass and synthetic resin cups are composed of a single body. When printing patterns or forming cups, the pattern is embossed and engraved. However, when the pattern is formed by the above method, the printed part is peeled off for a long time, so the aesthetic effect of the glass is inferior. There was a problem that the weight is heavy and well broken.
또한 기존에도 생맥주컵의 경우 합성수지 컵을 내,외몸체로된 이중몸체로 형성하여 공간부에 냉매 또는 물 등을 내장시켜 냉장고에 보관하다가 사용시 맥주를 시원하게 먹을 수 있도록 하였으나 이러한 이중용기는 특수 합성수지재로 성형되기 때문에 제품의 원가상승의 요인이 될 뿐만 아니라 제품성형시 내, 외면을 갖는 상부 금형과 상부 내, 외면 몸체에 대응되는 바닥부 금형을 각각 형성하여 사출한 후 이를 붙이는 방법으로 컵을 성형함으로 하단 외면부에 접합부가 노출되고는 단점과 내외면 사이에 액체는 주입할 수 있으나 진공상태를 형성하지 못하였다.In the case of draft beer cups, synthetic resin cups are formed of a double body made of internal and external bodies, and the refrigerant or water is stored in the space to store beer in the refrigerator, so that beer can be eaten when used. It is not only a factor of the cost increase of the product, but also the upper mold having the inner and outer surfaces and the bottom mold corresponding to the upper and inner and outer bodies when forming the product, which are formed and injected, and then the cup is formed by attaching them. As a result, the joint is exposed to the lower outer surface, and the liquid can be injected between the inner and outer surfaces, but the vacuum cannot be formed.
즉, 진공상태를 유지하기 위해서는 상하부를 접합시킨 후 내외면 사이의 공기를 빼 진공상태로 만들어야 하나, 공기를 흡입하게 되면 내외면의 몸체가 수축되어 불량이 발생되는 문제점이 있었다. In other words, in order to maintain the vacuum state, the upper and lower parts are joined to make a vacuum state by removing the air between the inner and outer surfaces, but when the air is sucked in, the body of the inner and outer surfaces is contracted, causing a defect.
또한 이중몸체의 스테인레스 보온병의 경우에는 그 재질의 특성상 강하고 외관이 깔끔하고 청결한 점이 있으나 보온병의 형태로 성형하기 위해서는 특수용접을 반복해서 사용해야 했으므로 제조 공정이 어려웠고, 단가가 상승하는 문제점이 있으며, 외부온도에 민감하고, 중량이 무거워서 휴대가 불편한 문제점이 있었다.In the case of the stainless steel thermos of the double body, there is a strong, neat appearance and clean point due to the characteristics of the material, but in order to mold into a thermos bottle, special welding had to be used repeatedly, which made the manufacturing process difficult and increased the unit cost. There is a problem in that it is inconvenient to carry because it is sensitive and heavy.
상기 스테인레스 등의 보온병은 외부에서는 식별이 불가능하였으므로 보온병의 뚜껑을 열고 내용물을 확인해야 하는 불편함과 외부로 표출시킬 수 있는 장식방법에 한계가 있었다.Since the thermos, such as stainless, was not discernible from the outside, there was a limitation in the inconvenience of having to open the lid of the thermos and checking the contents, and a decoration method that can be displayed to the outside.
본 발명은 이와 같은 문제점을 감안하여 발명한 것으로서, 투명한 합성수지로 용기의 몸체를 내통과 외통이 구비되도록 성형하되 내통과 외통사이에 공간부를 형성하여 진공 시킴으로서, 보냉 및 보온되도록 하고 용기 내의 내용물을 외부에서 투시할 수 있도록 함과 동시에 경량화한 이중용기를 제공함을 목적으로 한 것이다. The present invention has been invented in view of the above problems, by forming a body of the container with an inner cylinder and an outer cylinder with a transparent synthetic resin, but forming a space between the inner cylinder and the outer cylinder to vacuum, thereby keeping the contents in the container external The objective is to provide a lightweight double container at the same time to be able to see from.
이와 같은 목적을 갖는 본 발명은 합성수지 용기를 이루는 내통과 외통을 인서트 인젝션 사출로 성형하는 것으로서, 입구의 테두리를 외향으로 돌출 되도록 하고 상광하협으로 형성된 내통과, 입구 외측면에 수나사부를 형성하고, 상부와 하부가 동일한 직경으로 이루어진 몸체를 갖는 외통과, 상기 내통과 외통이 결합되어 입구를 밀봉하여 내용물이 보냉, 보온되도록 형성된 이중용기를 제조할 수 있도록 된 제조방법을 제공할 수 있도록 한 것이다.The present invention having such an object is to form an inner cylinder and an outer cylinder of a synthetic resin container by insert injection injection, so that the edge of the inlet is protruded outward and the inner cylinder formed by the upper and lower straits, and a male screw portion is formed on the inlet outer surface, An outer cylinder having a body having a diameter and a lower portion thereof, and the inner cylinder and the outer cylinder are coupled to seal an inlet, thereby providing a manufacturing method capable of manufacturing a double container formed to keep the contents cold and warm.
이하 첨부도면에 의거하여 본 발명의 실시 예를 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
PET 병의 원료는 폴리카보네이트 수지, 폴리프로필렌 수진, ABS수지, 폴리에스테르 수지 중 어느 하나의 수지재로 이루어지고 인서트 인젝션(INJECTION)설비의 스크류내에 투입하고 히터를 이용하여 녹인 후 사출하여 프리폼(PREFORM)을 성형하는 공정과;The raw material of PET bottle is made of any one of polycarbonate resin, polypropylene resin, ABS resin, polyester resin, and put into the screw of insert injection equipment, melted by using heater, and injected into preform. Molding);
상기 성형된 프리폼을 히터로 재가열하는 공정과;Reheating the molded preform with a heater;
상기 히터로 재가열된 프리폼을 일정한 형상을 갖는 외통형틀 내에 넣고 연신봉과 에어로 블로우(BLOW)시켜 몸체의 외통을 성형하는 1차 공정과; A first step of forming the outer cylinder of the body by placing the preform reheated by the heater into an outer cylindrical mold having a predetermined shape and blowing with an extension rod and air;
상기 프리폼(PREFORM) 성형 공정과, 성형된 프리폼을 히터로 재 가열하는 공정을 반복하는 공정과;Repeating the preform molding process and reheating the formed preform with a heater;
상기 히터로 재 가열된 프리폼을 일정한 형상을 갖는 내통형틀 내에 넣고 연신봉과 에어로 블로우(BLOW)시켜 몸체의 내통을 성형하는 2차 공정과;A second step of molding the inner cylinder of the body by placing the preform reheated by the heater into an inner cylindrical mold having a predetermined shape and blown with an extension rod and air;
상기 1차공정에서 성형된 외통과 2차공정에서 성형된 내통을 결합시켜 내부를 투시할 수 있도록 된 이중용기 제조 방법을 특징으로 한다.It characterized by a method of manufacturing a double container to be able to see the inside by combining the outer cylinder formed in the first step and the inner cylinder formed in the second step.
상기 제조 방법에 의해 제조되는 본 발명의 이중용기는, 입구의 테두리를 외향으로 돌출 되도록 하고 상광하협으로 형성된 내통과, The double container of the present invention produced by the manufacturing method, the inner passage formed so as to project the outward edge of the inlet outwards,
입구 외측면에 수나사부를 형성하고, 상부와 하부가 동일한 직경으로 이루어진 몸체를 갖는 외통과, An outer cylinder having a male screw portion formed on an outer surface of the inlet and having a body having an upper diameter and a lower diameter,
상기 내통과 외통을 결합하여 입구를 밀봉하고 내통과 외통사이에는 공간부가 구비되어 내용물이 보냉, 보온되도록 형성된다.The inner and outer cylinders are combined to seal the inlet, and a space part is provided between the inner and outer cylinders so that the contents are cooled and insulated.
상기 공간부는, 단열소재로 저열전도율 가스를 충진시켜 내용물을 보온, 보냉할 수 있도록 구성된 것이다.The space part is configured to fill the low thermal conductivity gas with a heat insulating material to keep the contents warm and cold.
본 발명의 다른 실시 예로서, 상기 공간부의 단열소재로는 공간부를 진공상태로 유지하도록 할 수 있다.As another embodiment of the present invention, the insulating material of the space portion may be to maintain the space portion in a vacuum state.
본 발명의 다른 실시 예로서, 이중용기의 내통 입구 외주면과 외통의 입구 내면에 나사 결합할 수 있는 수단으로 형성할 수도 있다. 이때는 진공상태에는 약간의 문제점이 있으므로 연결부에 패킹으로 실링 처리하는 것이 바람직하다.As another embodiment of the present invention, it may be formed by means that can be screwed to the inner cylinder inlet outer peripheral surface of the double container and the inlet inner surface of the outer cylinder. At this time, since there is a slight problem in the vacuum state, it is preferable to seal the connection portion by packing.
또한 본 발명의 이중용기 내통의 입구 외주면 테두리와 외통의 입구 상면을 접착제로 접착 밀봉할 수도 있다.In addition, the edge of the inlet outer peripheral surface of the inner container of the double container and the upper surface of the inlet of the outer cylinder may be adhesively sealed with an adhesive.
상기 같이 제조되는 이중용기의 제조 공정 및 구성에 따른 실시 예를 상세히 살펴보기로 한다.An embodiment of the manufacturing process and configuration of the double container manufactured as described above will be described in detail.
제1공정: 1차 프리폼 성형 First step: first preform molding
페트(PET)병 생산용 원료(CHIP:백색의 쌀 알갱이 모양) 상기 내통과 외통으로 이루어진 몸체는, 폴리카보네이트 수지, 폴리프로필렌 수진, ABS수지, 폴리에스테르 수지 중 어느 하나를 수분제거 드라이어에서 고온의 공기를 순횐시켜 함수율 0.005%로 만든 다음 인서트 인젝션(INJECTION) 설비의 스크류내에 투입하고 히터를 이용하여 녹인 후 사출하여 외통 프리폼(PREFORM)(11)을 성형한다. Raw material for PET bottle production (CHIP: white rice granules) The body consisting of the inner cylinder and the outer cylinder is made of polycarbonate resin, polypropylene resin, ABS resin, or polyester resin at high temperature in a moisture removal dryer. After sequencing the air to make the moisture content 0.005%, it is introduced into the screw of the insert injection equipment, melted using a heater, and injected to form an outer cylinder preform 11.
본 발명에서 사용되는 인젝션(INJECTION)은 사출성형을 말하는 것으로서, 플라스틱 성형방법의 하나로 가열한 실린더 속에 열가소성 수지를 가열유동화하여 이것을 사출 램에 의해 금형속에 넣고 플랜저로 압인하여 사출하는 성형방법을 말한다.Injection used in the present invention (INJECTION) refers to the injection molding, one of the plastic molding method refers to a molding method of heating and fluidizing a thermoplastic resin in a cylinder heated to insert it into a mold by an injection ram and press the injection into a flanger.
또한 프리폼(PREFORM)은 일정한 형상을 사출하기 위해 미리 사출한 기초성형을 말한다.In addition, PREFORM refers to a basic molding that is pre-injected to inject a certain shape.
제2공정: 1차 가열공정2nd process: 1st heating process
상기 원료를 히터로 녹여 외통 프리폼(기초성형)(11)을 성형한 후 차후 연신할 수 있도록 히터(20)로 가열한다.The raw material is melted by a heater, and the outer cylinder preform (base molding) 11 is molded and then heated by the heater 20 so as to be stretched later.
이때 가열은 연신이 잘 이루어 질 수 있도록 하기 위한 것이다.At this time, the heating is to make the stretching well.
제3공정: 외통 성형 공정 Third process: outer cylinder forming process
상기 가열된 외통 프리폼(11)은 만들고자 하는 용기 몸체의 형상을 갖는 외통형틀(21)내에 고정시킨 다음 상부에서 연신봉(22)을 하강시켜 형틀(금형)의 바닥까지 늘어나도록 신장하는 동시에 공기를 불어넣어 외면의 형상이 외통형틀(21)내에 밀착되도록 하면 외통 프리폼(11)은 가열된 상태이므로 불균형을 이루지 않고 동일한 압력으로 외통형틀(21) 내면에 밀착되어 외통(12)형상으로 이루어진다.The heated outer cylinder preform 11 is fixed in an outer cylindrical mold 21 having a shape of a container body to be made, and then extends to extend to the bottom of the mold (mold) by lowering the extension rod 22 at the upper portion thereof. If the shape of the outer surface is brought into close contact with the outer cylindrical mold 21, the outer cylinder preform 11 is in a heated state so that the outer cylinder preform 11 is in close contact with the inner surface of the outer cylinder mold 21 at the same pressure without being imbalanced to have an outer cylinder 12 shape.
상기와 같이 외통(12)을 성형한 후에는 외통형틀(21)을 벌려 형틀로부터 외통(12)을 이탈시킨다After the outer cylinder 12 is molded as described above, the outer cylinder mold 21 is opened to separate the outer cylinder 12 from the mold.
상기 성형된 외통(12)은 상부에 입구(13)외주면에 수나사(14)를 갖고 차후 성형되는 내통(15)이 끼워질 수 있도록 된 것이다.The molded outer cylinder 12 has a male screw 14 on the outer circumferential surface of the inlet 13 at an upper portion thereof so that the inner cylinder 15 to be molded later can be fitted.
제4공정: 2차 프리폼 성형4th process: 2nd preform molding
상기 제1공정의 실시 예와 동일한 방법으로 페트(PET)병 생산용 원료를 수분제거 드라이어에서 고온의 공기를 순환시켜 함수율 0.005%로 만든 다음 인젝션(INJECTION) 설비의 스크류내에 투입하고 히터를 이용하여 녹인 후 사출하여 내통 프리폼(PREFORM)을 성형한다.In the same manner as in the first embodiment, PET bottle production raw materials are circulated at high temperature in a moisture removal dryer to make a moisture content of 0.005%, and then injected into a screw of an injection facility and using a heater. After melting, it is injected to form an inner cylinder preform.
제5공정: 2차 가열공정5th process: 2nd heating process
상기 제2공정의 실시 예와 동일한 방법으로 원료를 히터로 녹여 내통 프리폼(기초성형)(23)을 성형한 후 연신할 수 있도록 히터(20)로 가열한다.The raw material is melted with a heater in the same manner as in the embodiment of the second step, and the inner cylinder preform (base molding) 23 is molded and then heated by the heater 20 to be stretched.
제6공정: 내통 성형공정6th step: inner cylinder forming process
상기 2차 가열된 내통 프리폼(23)을 내통형틀(24)내에 고정시킨 다음 상부에서 연신봉(22)을 하강시켜 형틀(금형)의 바닥까지 늘어나도록 신장하는 동시에 공기를 불어넣어 형상이 내통형틀(24)내에 밀착되도록 하면 내통 프리폼(23)은 가열된 상태이므로 내통형틀(24) 내면에 밀착되어 내통(15)형상으로 이루어진다.The secondary heated inner cylinder preform 23 is fixed in the inner mold 24, and then the drawing rod 22 is lowered from the top to extend to extend to the bottom of the mold (mould), and at the same time, the air is blown to form the inner mold. When the inner cylinder preform 23 is in a heated state, the inner cylinder preform 23 is in a heated state so that the inner cylinder preform 23 is in close contact with the inner surface of the inner cylinder mold 24 to have an inner cylinder 15 shape.
이때 내통(15)의 입구(16)는 외향으로 돌출 되는 테두리(17)가 형성되고 하단은 좁게 형성된 것으로 전체적인 형상모양이 상광하협으로 이루어져 외통(12)내에 끼우면 내통(15) 입구(16)의 테두리(17)가 외통입구(13)에 얹혀지듯이 결합되어 밀착되고 그 하단 내부 내통(15)과 외통(12) 사이에는 공간부(18)가 형성되어 이중용기(10)가 성형된다.At this time, the inlet 16 of the inner cylinder 15 is formed with a border 17 protruding outwardly and the bottom is narrow, the overall shape is made up of the upper and lower straits and inserted into the outer cylinder 12, the inner cylinder 15 of the inlet 16 As the edge 17 is mounted on the outer cylinder inlet 13, the edge 17 is tightly coupled, and a space 18 is formed between the lower inner inner cylinder 15 and the outer cylinder 12 to form the double container 10.
상기 성형된 이중용기(10)의 내통(15)과 외통(12)은 재질은 페트용기 재질로 이루어지나 두께는 1.5㎜∼3㎜(컵을 기준으로 할때)로 경화된 상태이므로 이중용기 성형시 공간부를 진공 시키더라도 수축되거나 변형되는 경우가 발생하지 않는다.The inner cylinder 15 and the outer cylinder 12 of the molded double container 10 is made of a PET container material, but the thickness is hardened to 1.5 mm to 3 mm (when based on the cup), so double container molding Even if the space-time portion is vacuumed, no shrinkage or deformation occurs.
또한 본 발명의 이중요기 성형방법에 있어서 용기는 컵, 맥주잔, 생맥주 픽쳐잔, 야채 및 과일 분쇄용기, 화채그릇, 보온병 등의 용기를 사용할 수 있다.In addition, the container in the dual-ware molding method of the present invention may be a container such as a cup, beer mug, draft beer picture cup, vegetable and fruit grinding container, flower bowl, thermos and the like.
또한 본 발명의 이중용기는 불투명의 이중용기도 가능하나 기본적으로는 투명합성수지재의 이중용기로서, 내부의 음식물을 식별할 수 있는 정도의 투명성을 갖는 것에 더욱 효과 적이며, 특히 내외부의 열을 차단하여 보온, 보냉시킬 수 있도록 함을 목적으로 하는 맥주잔, 보온병 등을 제작시 진공처리를 위해 일정한 강도를 유지하고 외부와의 공기유통을 차단하기 위해 필연적으로 사용되는 스텐레스와 충진재를 사용하지 않게 되므로 재료의 절감과 작업의 공정도를 간소화할 수 있도록 된 것이다.In addition, the double container of the present invention may be an opaque double container, but is basically a double container of a transparent synthetic resin material, which is more effective in having a degree of transparency that can identify food in the interior, and especially by blocking heat inside and outside. When manufacturing beer mugs and thermos, which are intended to keep warm and cold, materials are not used because stainless steel and fillers are inevitably used to maintain constant strength for vacuum treatment and to block air flow to the outside. It is possible to reduce the cost and simplify the work flow.
상기 와 같이 이루어지는 본 발명의 이중용기(10) 작업공정도를 간단 용이하게 요약하여 살펴보면, 먼저 합성수지 원료를 녹여 외통 프리폼(PREFORM)성형 → 성형된 프리폼 히터로 가열 →가열된 프리폼을 외통형틀에 넣고 연신 →외통성형완성 →내통 프리폼 성형 →성형된 내통 프리폼 가열 →가열된 프리폼을 내통형틀에 넣고 연신 →내통성형 완성 →내통과 외통 밀봉결합 및 진공 →이중용기완성의 순서로 용기제조 공정을 실시하게된다.Briefly and briefly summarize the operation process diagram of the double vessel 10 of the present invention made as described above, first melt the synthetic resin raw material preform (PREFORM) molding → heating with a molded preform heater → draw the heated preform into the outer mold → Outer cylinder molding completion → Inner cylinder preform molding → Molded inner cylinder preform heating → Stretch the heated preform into the inner mold and draw → Finish the inner molding → Seal the inner cylinder and outer cylinder sealing and vacuum → Complete the container manufacturing process .
이하, 첨부된 도면을 참조하여 본 발명의 구성을 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration of the present invention.
도1은 본 발명에 따른 투명합성수지 이중용기 제조공정도 이며,1 is a manufacturing process diagram of a transparent synthetic resin double container according to the present invention,
도2는 본 발명의 프리폼을 인서트 인젝션으로 사출 성형 공정으로서, 페트용기 재질의 합성수지를 히터로 녹여 별도의 금형에서 기초 성형을 실시한다.Figure 2 is a injection molding process of the preform of the present invention by insert injection, the synthetic resin of the PET container is melted by a heater to perform the basic molding in a separate mold.
이때 기초 성형틀은 몸체 원통형으로 관로(30)가 형성되고 상단부에는 수직선상으로 찬공기를 불어넣어 인(in), 아웃(out)될 수 있도록 이루어져 원료를 녹인 합성수지를 기초성형재로 형성한다.At this time, the basic molding frame is formed in the form of a synthetic resin melted raw material is made so that the pipeline 30 is formed in the body cylindrical and the cold air is blown in a vertical line on the upper end to be in (in), out (out).
도3은 본 발명의 기초성형재를 가열하는 예시도로서, 히터로내에서 기초성형재를 가열하여 차후 원활한 연신이 이루어지도록 한 것이다.Figure 3 is an exemplary diagram for heating the basic molding material of the present invention, the basic molding material is heated in the heater furnace to achieve a smooth stretching in the future.
도4는 본 발명의 외통성형 공정으로서, 재 가열된 프리폼을 외통 형틀에 넣고 상부에서 연신봉(22)을 하강시켜 형틀바닥까지 늘리는 동시에 에어로 가압하여 외통 형틀 내벽에 밀착되도록 하여 외통을 성형한다.Figure 4 is a process for forming the outer cylinder of the present invention, and puts the reheated preform into the outer cylinder mold to extend the stretch rod 22 from the top to the mold bottom and pressurized with air to be in close contact with the inner wall of the outer mold to form the outer cylinder.
도5는 본 발명의 외통 형틀에서 완성된 외통을 탈형하는 예시도로서, 상기에서 성형된 외통을 탈형하기 위해 좌우 형틀(금형)을 벌린 상태이다.Figure 5 is an exemplary view for demolding the completed outer cylinder in the outer cylinder mold of the present invention, the left and right molds (mold) is opened to demold the molded outer cylinder.
도 6은 본 발명의 내통을 성형하는 예시도로서, 프리폼을 내통 형틀에 넣고 형틀 내벽에 밀착시키도록 연신하는 과정을 나타낸 것이다.Figure 6 is an exemplary view for molding the inner cylinder of the present invention, showing a process of drawing a preform in the inner cylinder mold and stretched to closely adhere to the inner wall of the mold.
도 7은 본 발명의 내통과 외통을 결합 밀봉한 단면 구성도로서, 각각 성형된 내통(15)과 외통(12)을 서로 결합하게된다.7 is a cross-sectional configuration diagram of the inner cylinder and the outer cylinder sealed seal of the present invention, and the molded inner cylinder 15 and the outer cylinder 12 are coupled to each other.
즉, 내통(15)을 외통(12)내에 끼우면 내통(16) 입구(16)의 테두리(17)가 외통(12)의 입구(13) 상단에 적층되도록 결합된다.That is, when the inner cylinder 15 is inserted into the outer cylinder 12, the edge 17 of the inlet 16 of the inner cylinder 16 is coupled to the upper end of the inlet 13 of the outer cylinder 12.
상기 내통(15)의 입구(16) 테두리는 외향으로 돌출된 크기가 끼워지는 외통(12)의 입구(13)두께와 동일하도록 형성되어 내통(15)과 외통(12)을 결합시 외통의 입구(13) 상단부에 적층되도록 결합된다.The inlet 16 edge of the inner cylinder 15 is formed to be the same as the thickness of the inlet 13 of the outer cylinder 12 is projected outwardly sized is coupled to the inlet of the outer cylinder 15 and the outer cylinder 12 when combined (13) is coupled to be stacked on the upper end.
상기 결합된 내통과 외통은 상단부는 서로 밀착되고 하단부는 내통(15)이 상광하협으로 이루어져 내통(15)과 외통(12)사이에는 공간부(18)가 형성된다.The combined inner and outer cylinders are in close contact with each other and the lower end of the inner cylinder 15 is made up of the upper and lower narrow space between the inner cylinder 15 and the outer cylinder 12 is formed with a space portion 18.
상기 내통(15)과 외통(12)을 밀봉시 공간부(18)에 존재하는 공기는 인위적으로 흡입하여 진공상태를 형성하며, 진공시의 압력은 무리한 압력을 가하여 내통과 외통의 형상변화가 일어나지 않는 범위에서 실시된다.When the inner cylinder 15 and the outer cylinder 12 are sealed, the air present in the space 18 is artificially sucked to form a vacuum state, and the pressure in the vacuum applies excessive pressure to change the shape of the inner cylinder and the outer cylinder. Is carried out in a range that does not.
본 발명에서 사용되는 이중용기는 제작과정에서 내통(15)과 외통(12) 사이의 공간부(18)에 단열효과를 높이기 위해 공기 또는 저열전도성의 가스를 봉입하는 것이 바람직하다.In the present invention, the double container is preferably enclosed with air or low thermal conductivity gas in order to increase the thermal insulation effect in the space 18 between the inner cylinder 15 and the outer cylinder 12 during the manufacturing process.
이와 같이 이루어진 본 발명의 사출성형 방법은 내,외통을 인서트 인젝션 사출성형하는 것을 원칙으로 하며 내통과 외통의 입구는 가열 압착할 수도 있지만 접착제를 사용할 수도 있다.In the injection molding method of the present invention made as described above, the injection molding of the inner and outer cylinders is carried out in principle, and the inlets of the inner and outer cylinders may be heated and compressed, but an adhesive may be used.
또한 본 발명에 있어서 상기 상술한 특정의 실시 예에 한정하는 것은 아니며, 합성수지재를 이용하여 인서트 인젝션 사출성형으로 이중용기를 성형하는 것은 본 발명의 청구범위에서 청구하는 기술내용을 보고 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능할 것이나 이 역시 본 발명의 권리범위를 벗어나지는 못하는 것이라 할 것이다. In addition, the present invention is not limited to the above-described specific embodiments, and molding a double container by insert injection molding using a synthetic resin material is described in the claims of the present invention to which the present invention belongs. Anyone of ordinary skill in the art will be able to implement various changes, but this will also be said to be within the scope of the present invention.
이와 같은, 본 발명은 합성수지를 이용하여 투명한 물컵, 맥주컵, 보온병 등을 제작함으로써 내용물이 쉽게 파악되는 장점이 있고, 제조 공정이 간단해짐으로써 대량으로 생산함으로써 생산단가가 저렴해지고, 운반, 취급 및 휴대가 간편하여 소비자들의 신뢰성을 향상시킬 수 있으며, 특히는 합성수지재의 투명 맥주 컵과 투명 보온병은 쉽게 깨지거나 파손될 염려가 없으므로 반영구적으로 사용할 수 있는 효과가 있다. As such, the present invention has the advantage that the contents are easily grasped by making transparent water cups, beer cups, thermos, etc. using synthetic resins, and the production cost is reduced by mass production by simplifying the manufacturing process, transportation, handling and It is easy to carry and can improve the reliability of consumers. In particular, the transparent beer cup and transparent thermos of synthetic resin material can be used semi-permanently because there is no fear of being easily broken or broken.
또한, 본 발명의 효과는, 첫째, 안전성에 있어서, 음료용기로서 내용물의 맛을 변형시키지 않고 인체에 무해하며 환경호르몬등이 발생하지 않는 효과가 있으며,In addition, the effects of the present invention, first, in safety, there is an effect that does not change the taste of the contents as a beverage container, harmless to the human body and do not generate environmental hormones,
둘째, 가스 차단성에 있어서, 다른 소재의 플라스틱용기에 비해 CO2, O2 등의 차단성이 뛰어나 음료를 장기간 변질시키지 않고 보존할 수 있는 효과가 있으며,Secondly, in gas barrier properties, it has excellent barrier properties such as CO 2 and O 2 compared to plastic containers of other materials, and has an effect of preserving beverages without altering them for a long time.
셋째, 경량성에 있어서, 같은 용량의 유리 및 금속용기에 비하여 15∼20배 정도로 가벼워서 운반 및 취급성이 용이한 효과가 있으며, Third, in light weight, it is 15 to 20 times lighter than glass and metal containers of the same capacity, so that it is easy to carry and handle.
넷째, 우수한 성형성에 있어서, 알루미늄 캔, 유리, 종이, 플라스틱의 용기에 비하여 성형하기가 간단 용이하여 형태에 따른 변형이 자유로운 효과가 있으며,Fourth, in the excellent moldability, it is simple and easy to mold compared to the container of aluminum cans, glass, paper, plastic, so that the deformation according to the shape is free,
다섯째, 외관에 있어서, 본 발명의 합성수지재 이중용기는 투명하여 내용물을 외부에서 투시할 수 있어 소비자가 변질 및 싱싱한 정도를 직접 파악할 수 있는 효과가 있으며,Fifth, in appearance, the synthetic resin double container of the present invention can be transparent to see the contents from the outside, the consumer can directly grasp the degree of alteration and crispy,
여섯째, 본 발명의 이중용기를 맥주컵, 생맥주 픽쳐로 사용할 경우 컵을 냉동실에서 미리 냉동시킨 후 맥주를 담아 마실 수 있으므로 더욱 시원한 맥주를 마실 수 있게 된 효과를 갖는 것이다. Sixth, when using the double container of the present invention as a beer cup, draft beer picture, the cup can be frozen in advance in the freezer after the beer can be drunk to have a cooler drink effect.
도1은 본 발명의 투명 합성수지 이중용기 제조공정도.Figure 1 is a transparent synthetic resin double container manufacturing process of the present invention.
도2는 본 발명의 프리폼을 인서트 인젝션으로 사출 성형 공정 예시도.Figure 2 is an exemplary injection molding process by insert injection the preform of the present invention.
도3은 본 발명의 기초성형재를 가열하는 공정 예시도.Figure 3 is an illustration of the process of heating the basic molding material of the present invention.
도4는 본 발명의 외통성형 공정 예시도.Figure 4 is an exemplary view of the outer mold forming process of the present invention.
도5는 본 발명의 외통 형틀에서 완성된 외통을 탈형하는 공정 예시도Figure 5 is an exemplary process for demolding the completed outer cylinder in the outer cylinder mold of the present invention
도 6은 본 발명의 내통을 성형하는 공정 예시도.Figure 6 is an illustration of the process of molding the inner cylinder of the present invention.
도 7은 본 발명의 내통과 외통을 결합 밀봉한 단면 구성도.Figure 7 is a cross-sectional configuration of the inner cylinder and the outer cylinder of the present invention bonded and sealed.
<도면의 주요 부분에 대한 부호 설명><Description of the symbols for the main parts of the drawings>
10:이중용기 11:외통프리폼10: double container 11: outer cylinder preform
12:외통 13:외통입구12: External 13: Foreign External Entrance
14:수나사 15:내통14: external thread 15: inner tube
16:내통입구 17:테두리16: Inner mouth 17: Border
18:공간부 20:히터18: space part 20: heater
21:외형틀 22:연신봉21: outline 22: extension rod
23:내통프리폼 24:내통형틀23: inner cylinder preform 24: inner cylinder frame
30:관로30: pipeline
Claims (7)
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