KR890701432A - 금속개방탭이 부착된 금속캔단부 - Google Patents

금속개방탭이 부착된 금속캔단부

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KR890701432A
KR890701432A KR1019890701000A KR890701000A KR890701432A KR 890701432 A KR890701432 A KR 890701432A KR 1019890701000 A KR1019890701000 A KR 1019890701000A KR 890701000 A KR890701000 A KR 890701000A KR 890701432 A KR890701432 A KR 890701432A
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Prior art keywords
metal
coating
polymer
open tab
shank
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KR1019890701000A
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English (en)
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KR950011152B1 (ko
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존 헤이즈 피터
안소니 오웬 로버트
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안소니 오웬 로버트
엠비 그룹 피엘씨
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Publication of KR890701432A publication Critical patent/KR890701432A/ko
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Publication of KR950011152B1 publication Critical patent/KR950011152B1/ko

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    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7377—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline
    • B29C66/73771—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being amorphous
    • B29C66/73772—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined amorphous, semi-crystalline or crystalline the to-be-joined area of at least one of the parts to be joined being amorphous the to-be-joined areas of both parts to be joined being amorphous
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
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    • 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
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers

Abstract

내용 없음

Description

[도면의 명칭]
금속개방탭이 부착된 금속캔단부
[도면의 간단한 설명]
제1도는 본 발명의 제1실시예에 따른 개방탭이 부착된 캔단부의 부분절결 사시도, 제2도는 제1도는 Ⅱ-Ⅱ선의 부분단면도, 제3도는 제1도의 Ⅲ-Ⅲ선의 확대 부분단면도.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (22)

  1. 구멍을 형성하는 새김눈금을 따라 찢어져서 분리되는 캔단부의 지역을 한정하는 새김눈금 및 상기 지역의 상부에 부착되는 생크부분을 구비한 금속 개방탭이 제공되는 금속캔단부에 있어서, 캔단부의 상부에는 보호 중합체 코팅이 제공되고 개방탭의 생크의 하부에는 중합체 코팅인 또한 제공되며, 적어도 생크부분위의 상기 코팅면이 적어도 캔다부의 상부 위의 코팅면의 중합체와 동일한 단량체에 기초하고 상기 면들이 서로 직접 용접되는 것을 특징으로 하는 금속캔단부.
  2. 제1항에 있어서, 캔단부의 상부 및 하부가 둘다 동시에 형성된 보호중합체 코팅을 구비하는 것을 특징하는 하는 금속캔단부.
  3. 제1항 또는 제2항에 있어서, 캔단부의 상부 및 개방탭의 생크부분의 하부의 코팅이 둘다 폴리아미드 외층을 구비하는 것을 특징으로 하는 금속캔단부.
  4. 제3항에 있어서, 캔단부의 상부 및 개방탭의 생크의 하부의 코팅이 둘다 카로복실기 또는 무수물을 함유한 산 변형 폴리올레핀 수지인 접합수지 내층 및 상기 접합수지의 내층에 부착되는 폴리아미드 외층으로 구성되는 복합막으로 이루어지는 것을 특징으로 하는 금속캔단부.
  5. 제1항 또는 제2항에 있어서, 캔단부의 상부 및 개방탭의 생크부분의 하부의 코팅이 둘다 폴리올레핀이거나 폴리올레핀 외층을 구비하는 것을 특징으로 하는 금속캔단부.
  6. 제5항에 있어서, 캔단부의 상부 및 개방탭의 생크의 하부의 코팅이 둘다 카르복실기 또는 무수물을 함유한 산 변형 폴리올레핀 수지인 접합수지 내층 및 상기 접합수지 내층에 부착되는 폴리올레핀 외층으로 구성되는 복합막으로 이루어지는 것을 특징으로 하는 금속캔단부.
  7. 제1항 또는 제2항에 있어서, 캔단부의 상부 및 개방탭의 생크부분의 하부의 코팅이 둘다 폴리에스테르 외층을 구비하는 것을 특징으로 하는 금속캔단부.
  8. 제7항에 있어서, 캔단부의 상부 및 개방탭의 생크부분의 하부의 코팅이 150℃이하의 연화점과 150°~240℃의 응융접을 갖는 비결정 선형 폴리에스테르 내층 및 220℃이상의 용융점을 갖는 선형 폴리에스테르 외층을 구성되는 복합막으로 이루어지는 것을 특징으로 하는 금속캔단부.
  9. 제8항에 있어서, 용융점이 220℃이상인 선형 폴리에스테르가 폴리에틸렌 테레프탈레이트인 것을 특징으로 하는 금속캔단부.
  10. 전술한 항중 어느 한 항에 있어서, 개방탭 위의 코팅이 캔단부 위의 코팅에 열용접되는 것을 특징으로 하는 금속캔단부.
  11. 전술한 항중 어느 한 항에 있어서, 개발탭 위의 코팅이 캔단부 위의 코팅에 초음파 용접되는 것을 특징으로 하는 금속캔단부.
  12. 전술한 항중 어느 한 항에 있어서, 개방탭의 생크부분 위의 중앙돌기가 캔단부 위의 돌출부 위에서 그 위에 개방탭을 위치시키기에 적합한 것을 특징으로 하는 금속캔단부.
  13. 구멍을 형성하는 새김눈금을 따라 찢어져서 분리되는 캔단부의 지역을 한정하는 새김눈금 및 상기 지역의 상부에 부착되는 생크부분을 구비한 금속 개방탭이 제공되는 금속캔단부에 있어서, 캔단부의 상부 및 개방탭의 생크부분의 하부에 서로 직접 용접되는 각각의 보호 중합체 코팅이 제공되고 코팅은 폴리프로필렌, 폴리아미드 및 폴리에틸렌 테레프탈레이트 중에서 선택되는 중합체로 이루어지며, 상기 코팅 각각은 중합체 외층과 금속에 접합되는 접합수지 내층으로 구성되는 복합막이고, 중합체가 폴리프로필렌 또는 폴리아미드일 경우 접합수지는 카르복실기 또는 무수물을 함유한 산 변형 폴리올레핀 수지이며 중합체가 폴리에틸렌 테레프탈레이트일 경우 150℃이하의 연화점과 150°~240℃의 용융점을 갖는 비결정 선형 폴리에스테르이고, 생크부분위의 코팅 외층의 중합체가 캔단부의 상부의 코팅외층의 중합체와 동일한 단량체에 기초하는 것을 특징으로 하는 금속캔단부.
  14. 구멍을 형성하는 새김눈금을 따라 찢어져서 분리되는 지역을 한정하는 새김눈금 및 상기 지역의 상부에 부착되는 생크부분을 구비하는 금속 개방탭이 제공되는 종류의 금속캔단부를 성형하는 방법에 있어서, 캔단부가 그 상부에 보호중합체 코팅이 제공되는 금속재료로 형성되고, 그 표면이 적어도 캔단부의 상부 코팅 중합체면과 동일한 단량체에 적어도 기초하는 중합체 코팅이 개방탭의 생크부분의 하부에 따라 형성되며, 개방탭의 생크부분의 하부의 코팅면이 캔단부의 하부의 중합체 코팅면에 직접 용접되는 것을 특징으로 하는 금속캔다부 성형방법.
  15. 제14항에 있어서, 개방탭의 생크부분의 하부 코팅이 캔단부의 중합체 코팅에 열용접되는 것을 특징으로 하는 금속캔단부 성형방법.
  16. 제15항에 있어서, 코팅의 융합을 성취하기 위해 생크부분이 가열될 때 개방탭 및 캔단부가 함께 일정압력하의 레지스터내의 고정되는 것을 특징으로 금속캔단부 성형방법.
  17. 제16항에 있어서, 열이 생크부분의 상부에 적용되는 전열기로부터 공급되는 것을 특징으로 하는 금속캔단부 성형방법.
  18. 제16항에 있어서, 열이 유도열에 의해 공급되는 것을 특징하는 하는 금속캔단부 성형방법.
  19. 제14항에 있어서, 개방탭의 생크부분의 하부의 코팅이 캔단부의 중합체 코팅에 초음파 용접되는 것을 특징하는 하는 금속캔단부 성형방법.
  20. 제19항에 있어서, 캔단부가 모루 위에서 지지될 때 진동호른을 개방탭의 생크부분의 상부에 적용함으로써 초음파용접이 성취되는 것을 특징으로 하는 금속캔단부 성형방법.
  21. 제20항에 있어서, 진동호른이 티타늄으로 이루어지는 것을 특징으로 하는 금속캔단부 성형방법.
  22. 제20항 또는 제21항에 있어서, 호른이 약 20,000cps의 주파수로 진동하는 것을 특징하는 하는 금속캔단부 성형방법.
    ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.
KR1019890701000A 1987-10-15 1988-10-12 금속 개방탭이 부착된 금속 캔 단부 및 그의 성형방법 KR950011152B1 (ko)

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GB8724246 1987-10-15
GB8724246A GB8724246D0 (en) 1987-10-15 1987-10-15 Metal can ends
PCT/GB1988/000848 WO1989003350A1 (en) 1987-10-15 1988-10-12 Metal can ends with metal pull tabs bonded thereto

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TR26797A (tr) 1994-08-08
US4946063A (en) 1990-08-07
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CA1311699C (en) 1992-12-22
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YU190688A (en) 1991-02-28
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AU2547988A (en) 1989-05-02
FI92674B (fi) 1994-09-15
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TR23930A (tr) 1990-12-20
HK89991A (en) 1991-11-22
WO1989003350A1 (en) 1989-04-20
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ATE70511T1 (de) 1992-01-15
HU205736B (en) 1992-06-29
CN1033603A (zh) 1989-07-05
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EP0312311A1 (en) 1989-04-19
GB8823933D0 (en) 1988-11-16
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BG60009A3 (en) 1993-06-15
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