KR910014283A - 용기에 뚜껑을 결합하는 방법 및 그 제품 - Google Patents

용기에 뚜껑을 결합하는 방법 및 그 제품 Download PDF

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KR910014283A
KR910014283A KR1019910001209A KR910001209A KR910014283A KR 910014283 A KR910014283 A KR 910014283A KR 1019910001209 A KR1019910001209 A KR 1019910001209A KR 910001209 A KR910001209 A KR 910001209A KR 910014283 A KR910014283 A KR 910014283A
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South Korea
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sheet
container
lid
flange
wave
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KR1019910001209A
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English (en)
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쉐리단 토마스 쥬니어 존
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오노 알버어스
셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이
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Priority claimed from US07/471,330 external-priority patent/US5034074A/en
Application filed by 오노 알버어스, 셀 인터나쵸나아레 레사아치 마아츠샤피 비이부이 filed Critical 오노 알버어스
Publication of KR910014283A publication Critical patent/KR910014283A/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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
    • B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
    • B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
    • B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
    • 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
    • B65D51/00—Closures 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
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/76—Making non-permanent or releasable 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
    • B29C66/01—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
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/328—Leaving the burrs unchanged for providing particular properties to the joint, e.g. as decorative effect
    • B29C66/3284—Leaving the burrs unchanged for providing particular properties to the joint, e.g. as decorative effect for weakening the joint
    • 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
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • 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
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing
    • 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
    • B29C66/72—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Packages (AREA)
  • Closing Of Containers (AREA)
  • Bag Frames (AREA)
  • Cartons (AREA)
  • Package Closures (AREA)
  • Cookers (AREA)
  • Closures For Containers (AREA)
  • Manufacture Of Switches (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

내용 없음

Description

용기에 뚜껑을 결합하는 방법 및 그 제품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 밀봉 헤드가 뚜껑의 윗면과 결합하기 전에 용기의 플랜지위에 배치된 뚜껑을 부분단면도로 나타낸 개략 측면도, 제2도는 용기의 플랜지에 밀봉한 뚜껑을 단면도로 나타낸 개략측면도, 제3A도는 초기에 밀봉 헤드 접촉지역의 아래로 부터 흐르는 뚜껑 재료를 부분 단면도로 나타낸 개략 측면도, 제3B도는 맞물리는 제1시이트파와 제2시이트파를 단면으로 나타낸 개략 측면도, 제3C도는 용기로 부터 벗겨진 뚜껑을 단면으로 나타내는 개략 측면도.

Claims (6)

  1. 용기 뚜껑과, 그 뚜껑과 작동적으로 결합하는 형상의 용기 플랜지로 구성되는 제품으로서, 상기 뚜껑과 상기 플랜지는 그 뚜껑과 플랜지의 접합부에 형성된 맞물림파에 의해 서로 작동적으로 결합되고, 상기 맞물림파들은 상기 용기 플랜지의 제1물질 부분과 상기 용기 플랜지의 제2물질부분으로 부터 형성되고, 상기 용기 플랜지의 상기 제2물질부분으로 형성된 상기 맞물림과는 상기 뚜껑이 상기 용기로 부터 작동적으로 분리될때 상기 용기 플랜지와 더불어 잔류하는 상기 제품.
  2. 제1물질을 포함하는 제1시이트로 형성된 용기 뚜껑과, 기부 둘레로 부터 사방으로 연장하는 벽이 있는 용기로 구성되는 제품으로서, 상기 벽의 상부에는 플랜지가 있고, 그 플랜지는 제2물질을 포함하는 제2시이트로 형성되고, 상기 뚜껑과 상기 플랜지는 상기 제1물질과 상기 제2물질에 의해 상기 용기의 내측림 둘레에 형성된 맞물림파들에 의해 서로 작동적으로 결합하고, 상기 제2물질로 부터 형성된 상기 맞물림파는 상기 뚜껑이 상기 용기로 부터 작동적으로 분리될때 상기 용기 플랜지와 더불어 잔류하는 상기 제품.
  3. 제1물질의 층을 포함하는 제1시이트로 형성된 용기 뚜껑과, 기부 주변 둘레에서 상방으로 연장하는 벽을 갖는 용기로 구성되는 제품으로서, 상기 벽의 상부에는 플랜지가 있고, 상기 플랜지는 제2물질의 층을 포함하는 제2시이트로 형성되고, 상기 뚜껑과 상기 용기 플랜지는 제2시이트파와 맞물린 제1시이트파에 의해 서로 밀봉되고, 상기 맞물림파들은 상기 용기의 내측림 둘레의 상기 제1물질과 상기 제2물질에 의해 각각 형성되고, 상기 제2물질로 형성된 상기 맞물림파는 상기 뚜껑이 상기 용기로 부터 박리될때 상기 용기 플랜지와 더불어 잔류하는 상기 제품.
  4. 제3항에 있어서, 상기 제1시이트파의 마루면은 그 마루면의 말단부에 배치된 제1시이트와 정점을 포함하고, 마루면을 갖는 상기 제2시이트파는 그 마루면의 말단부에 배치된 제2시이트파 정점을 더 포함하고, 상기 파들은 상기 제1시이트파 정점과 상기 제2시이트파 정점 사이에 맞물림 지역을 형성하도록 그 정점들 사이에 겹쳐지는 상기 제품.
  5. -밀봉해야 할 지역을 따라 제1시이트를 제2시이트의 제2물질부분과 직접 밀접하게 접촉시키면서, 뚜껑을 형성하는 상기 제1시이트의 제1물질 부분을 상기 밀봉해야할 지역을 따라 가열하는 단계로서, 상기 제2시이트는 상기 용기의 상기부 주변둘레에 플랜지를 형성하고, 상기 제1물질은 상기 제2물질보다 낮은 용융온도를 가지며, 상기 제1물질의 부분을 용융 또는 연화하기에 충분한 시간 및 온도로 상기 가열이 행해지는 상기 가열단계, -적어도 상기 용기의 내측림에 예비 제1시이트파를 형성하도록, 상기 밀봉해야할 지역을 따라 상기 제1시이트와 상기 제2시이트에 압력을 가하는 단계, -상기 제2물질의 부분을 용융 또는 연화시키도록 상기 제2시이트의 부분을 충분히 가열하는 단계, -상기 제2시이트의 용융된 또는 연화된 부분이 상기 예비 제1시이트파 안으로 흘러 제2시이트파를 형성하는 단계, 및 -상기 예비 제1시이트파의 부분을 상기 제2시이트파 아래로 변위시켜, 상기 뚜껑이 상기 용기에서 분리될때 그 용기에 상기 제2시이트파가 잔류하도록 적어도 상기 용기의 내측림 둘레에 상기 제1물질 및 상기 제2물질의 맞물림파들을 형성하는 단계로 구성되는, 용기에 뚜껑을 결합하는 방법.
  6. 제5항에 있어서, 상기 제2 시이트를 가열하는 상기 단계는, -밀봉 헤드의 가열된 성형면을 아래로 구동하여, 상기 제1시이트를 통해 상기 제2시이트안으로 열에너지를 전달하기에 충분한 기간동안 상기 제1시이트와 접촉시키는 단계를 포함하는, 용기에 뚜껑을 결합하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910001209A 1990-01-29 1991-01-24 용기에 뚜껑을 결합하는 방법 및 그 제품 KR910014283A (ko)

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US47132990A 1990-01-29 1990-01-29
US471330 1990-01-29
US471329 1990-01-29
US07/471,330 US5034074A (en) 1990-01-29 1990-01-29 Method for formation of a peelable lid

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EP0509591A1 (en) * 1991-04-15 1992-10-21 Shell Internationale Researchmaatschappij B.V. Formation of a clamped wave lid seal structure
AU707576B2 (en) * 1995-01-11 1999-07-15 Cryovac, Inc. Package with shrink film lidstock
US5744181A (en) * 1995-03-01 1998-04-28 W. R. Grace & Co.-Conn. Packaging method using thermoplastic materials and package obtained thereby
US6264098B1 (en) * 1997-02-06 2001-07-24 Sonoco Development, Inc. Tubular container with a heat seal having non-symmetrical inner and outer beads
US5979748A (en) * 1997-02-06 1999-11-09 Sonoco Development, Inc. Tubular container with a heat seal having an inner and outer bead and method of manufacturing said container
US7204289B2 (en) 2002-11-01 2007-04-17 Rieke Corporation Welding tip
JP4133436B2 (ja) * 2003-02-26 2008-08-13 出光ユニテック株式会社 易開封性包装体および易開封性包装体の製造方法
JP4610357B2 (ja) 2005-01-31 2011-01-12 出光ユニテック株式会社 易開封性容器の製造方法
JP5878683B2 (ja) * 2010-03-18 2016-03-08 出光ユニテック株式会社 易開封性容器およびその製造方法
JP6117674B2 (ja) * 2013-10-22 2017-04-19 富士フイルム株式会社 貼合方法及び装置
NO20151198A1 (no) * 2015-09-15 2017-03-16 Petter Martinsen Forbedret åpningsmekanisme av emballasje for matvarer og andre produkter som gjør det lett å åpne pakningen

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US4810541A (en) * 1987-11-27 1989-03-07 Continental Can Company, Inc. Plastic container having a surface to which a lid may be peelably sealed
GB8729725D0 (en) * 1987-12-21 1988-02-03 Metal Box Plc Container with peelable seal & method & apparatus for making same

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IE65468B1 (en) 1995-11-01
DE69104510D1 (de) 1994-11-17
CN1053775A (zh) 1991-08-14
EP0440291A1 (en) 1991-08-07
AU7000191A (en) 1991-08-01
DK0440291T3 (da) 1994-11-14
ATE112746T1 (de) 1994-10-15
EP0440291B1 (en) 1994-10-12
ES2062656T3 (es) 1994-12-16
BR9100330A (pt) 1991-10-22
IE910274A1 (en) 1991-07-31
DE69104510T2 (de) 1995-03-02
CA2035017A1 (en) 1991-07-30

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