KR890015849A - 두꺼운 부분을 지니는 열가소성 재료의 복수개의 플라이들을 절단 밀봉하기 위한 방법 및 장치 - Google Patents

두꺼운 부분을 지니는 열가소성 재료의 복수개의 플라이들을 절단 밀봉하기 위한 방법 및 장치 Download PDF

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KR890015849A
KR890015849A KR1019890004708A KR890004708A KR890015849A KR 890015849 A KR890015849 A KR 890015849A KR 1019890004708 A KR1019890004708 A KR 1019890004708A KR 890004708 A KR890004708 A KR 890004708A KR 890015849 A KR890015849 A KR 890015849A
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closure
cut
thermoplastic material
sealed
plies
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KR960015645B1 (ko
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알.우드즈 티모시
베어 알.더그나스
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리챠드 지.워터맨
다우브랜드즈 인코포레이티드
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • 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
    • B29C66/346—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration
    • B29C66/3464—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration by preheating
    • 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
    • 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
    • B29C65/02—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
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • 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
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to 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
    • B29C66/05—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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • 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
    • B29L2031/7128—Bags, sacks, sachets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16—Cutting webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1054—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing and simultaneously bonding [e.g., cut-seaming]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/1326—Severing means or member secured thereto also bonds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1378—Cutter actuated by or secured to bonding element

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Feedback Control In General (AREA)
  • Television Signal Processing For Recording (AREA)
  • Laminated Bodies (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Fertilizers (AREA)

Abstract

내용 없음

Description

두께운 부분을 지니는 열가소성 재료의 복수개의 플라이들을 절단 밀봉하기 위한 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 원리에 따른 절단 밀봉 장치의 개략적인 평면도. 제 2 도는 제 1 도의 장치의 개략적인 측면도, 제 3 도는 제 1 도의 장치에 조립되는 프리블록킹(preblocking)요소의 확대 측면도.

Claims (14)

  1. 지퍼형 폐쇄부의 존재로부터 발생되는 두꺼운 부분을 지니는 열가소성 재료의 복수개의 플라이들을 절단하고 동시에 그 절단된 모서리를 밀봉하는 방법에 있어서, (a) 절단 밀봉될 상기 재료의 그 폐쇄부에 인접하게 위치된 부분에서 상기 열가소성 재료를 프리블록킹하는 단계와, (b) 절단 밀봉될 상기 재료의 그 폐쇄부에 인접하고 그 나머지 부분에 걸쳐서 위치된 부분에서 상기 열가소성 재료가 끈적끈적하게 하고 상기 부분에서 상기 복수개의 플라이들을 함께 임시로 부착시키는 단계 및 (c) 상기 복수개의 플라이들의 모두를 절단하고 동시에 상기 절단된 모서리들을 함께 밀봉하도록 절단 밀봉될 상기 열가소성 재료의 상기 부분들 모두를 가열된 절단 및 밀봉 요소와 접촉시키는 단계들을 포함하는 상기 방법.
  2. 제 1 항에 있어서, 단계 (b)이후에 단계 (c)전에, 상기 재료의 상기 폐쇄부를 절단밀봉될 상기 부분에 열을 가하여 예열시키며 상기 체제부의 예열은 상기 재료의 상기 프리블록킹에서 상기 폐쇄부에 인접한 상기 재료에 가해진 열의 온도보다 높은 온도에서 그곳에 열을 가해서 실행되는 단계를 지니는 상기 방법.
  3. 제 1 항에 있어서, 상기 재료의 블록킹은 상기 프리블록킹에서 가해진 열의 온도보다는 높고 상기 예열 단계에서 가해진 열의 온도보다는 낮은 온도에서 상기 부분에 열을 가해서 실행되는 상기 방법.
  4. 제 1, 2 또는 3항에 있어서, 단계 (c)이후에, 그 밀봉을 도모하기 위해서 상기 폐쇄부를 상기 재료의 상기 절단밀봉된 모서리에서 스톰핑 하고 상기 스톰핑은 상기 폐쇄부에 압력을 가해서 실행되는 단계를 지니는 상기 방법.
  5. 지퍼폐쇄부를 지니는 열가소성 재료의 복수개의 플라이들을 절단하고 동시에 그 절단된 모서리들을 밀봉하는 장치에 있어서. (3) 상기 열가소성 재료를 절단 밀봉되는 상기 재료의 상기 폐쇄부에 인접하게 위치된 부분에서 프리블록킹하는 수단(12)파, (b) 상기 열가소성 재료가 끈적끈적하게 하고 상기 복수개의 플라이들 모두를 상기 부분에서 임시로 부착시키게 상기 열가소성 재료를 블록킹하는 수단(14) 및 (c) 상기 복수개의 플라이들 모두를 절단하고 동시에 상기 절단된 모서리들을 밀봉하게 상기 부분들 모두를 접촉 및 가열시키는 수단(18)을 포함하는 상기 장치.
  6. 제 5 항에 있어서, 상기 프리블록킹 수단(12)이 서로를 향하여 피리고 멀리 떨어지는 상대이동하게 설치된 한쌍의 블록형 부재 (40)(44)를 지니며 상기 블록형 부재 중 최소한 하나는 가열되는 상기 장치.
  7. 제 5 또는 6 항에 있어서, 상기 블록킹수단(14)이 서로를 향하여 그리고 멀리 떨어지는 상대 이동하게 설치된 한쌍의 긴 바아형 부재(54)(56)를 지니며 상기 바아형 부재 중 최소한 하나는 가열되는 상기 장치.
  8. 제 7 항에 있어서, 상기 바아형 부재 (56) 중 하나는 상기 재료를 향하여 마주보는 탄성재료의 코팅(66)을 지니고, 상기 코팅은 그속에 제공된 슬롯트(68)를 지니며, 상기 슬롯트는 상기 열가소성 재료의 상기 폐쇄부를 수용하게 배치된 상기 장치.
  9. 제 5 내지 8 항중 어느 하나의 항에 있어서, 상기 열가소성 재료의 상기 폐쇄부(28)를 절단 밀봉될 그 상기 부분에서 예열하는 수단(16)을 지니며 상기 예열수단은 그곳에 열을 가하게 작동되고, 상기 블록킹수단(14)에 의해서 가해진 열은 상기 프리블록킹수단(12)에 의해서 가해진 열의 온도보다 높고 상기 예열 수단(16)에 의해서 가해진 열의 온도보다 낮은 온도인 상기 장치.
  10. 제 9 항에 있어서, 상기 예열수단(16)은 상기 폐쇄부(28)에 열을 가하는 한쌍의 블록형 요소들(70) (72)과 ; 그 사이에 상기 폐쇄부를 수용하고 상기 블록형 요소에 일직선 배치되게 이것을 안내하는 한쌍의 안내 요소들(74)(76) 및 ; 상기 열가소성 재료의 마주보는 측면에 상기 블록형 요소들과 상기 안내요소들을 위치시키고 상기 블록형 요소중 최소한 하나를 다른 블록형 요소를 향하게 그리고 멀리 떨어지게 상대 이동하도록 지지하며 상기 안내 부재 중 최소한 하나를 다른 안내부재를 향하게 그리고 멀리 떨어지게 상대이동 하도록 지지하는 마운팅 수단들을 포함하는 상기 장치.
  11. 제 10 항에 있어서, 상기 마운팅 수단은 서로를 향하게 그리고 멀리 떨어지게 피봇트 이동하도록 동일한 각각의 단부에 설치되고 상기 피봇트 단부로부터 이격진 위치에서 상기 각각의 블록형 요소들(70)(72)을 지지하며 그위에 제공된 반대로 경사진 캠 로우브들(96)(98)을 지니는 한쌍의 아암들(88)(90)을 지니며, 상기 아암들에 인접하게 위치되고 상기 아암들과 상기 블록형 요소의 상기 피봇트 이동을 일으키게 작동하는 작동수단은 : 전진 및 후퇴위치 사이에서 이동을 하는 작동기(100)와 ; 상기 작동기에 연결되고 상기 아암들의 상기 캠 .로우브(96)(98)사이에 위치되며 상기 아암들(88)(90)이 서로 멀리 떨어지게 피봇트 이동하게하고 상기 작동기가 그 전진 및 후퇴 위치 사이에서 상응하게 이동하면 서로를 향한 상기 아암들의 피봇트 이동을 하게 하는 웨지 요소(102) 및 상기 아암들을 상호 연결시키고 이들이 서로를 향하여 피봇트 이동하게 바이어스 되게 하는 스프링 수단(106)을 포함하는 상기 장치.
  12. 제 10 항에 있어서, 상기 마운팅 수단이 서로를 향하게 그리고 멀리 떨어지게 피봇트 이동하도록 동일한 각각의 단부에 설치되는 한쌍의 레버들(84)(86)을.지니며, 상기 레버들은 상기 동일한 각각의 단부로부터 이격진 위치에서 상기 각각의 안내 요소들(74)(76)을 지지하고, 스프링 수단은 상기 레버들을 상호 연결 시키고 서로를 향하게 피봇트 이동하게 이들을 바이어스되게 하는 상기 장치.
  13. 제 5 항 내지 12항중 어느 하나의 항에 있어서, 상기 두꺼운 부분을 그 밀봉을 도모하기 위해서 상기 재료의 상기 절단 밀봉된 모서리들을 스톰핑하는 수단(20)을 지니며, 상기 스톰핑 수단은 상기 재료의 마주보는 측면에 위치되고 상기 폐쇄부의 상기 재료의 상기 절단 밀봉된 모서리들에 압력을 가하도록 함께 작동하는 한쌍의 로울(112)(114)을 지니고, 상기 로울중 하나는 다른 하나를 향하여 변형가능하게 바이어스되는 상기 장치.
  14. 제 5 항 내지 13 항중 어느 하나의 항에 있어서, 상기 부분을 접촉 및 가열하는 상기 수단은 상기 플라이들을 절단하는데 함께 작동하고 동시에 그 절단된 모서리들을 밀봉하는 뜨거운 나이프와 밀봉로울을 지니며, 상기 밀봉로울은 상기 열가소성 재료의 상기 폐쇄부와 일직선 배치된 부분에 그 주위에 부착된 탄성 변형가능한 테이프의 도포부를 지니며, 상기 테이프는 폴리테트라플루오로에틸렌 함침된 유리섬유를 지니는 상기 장치 .
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890004708A 1988-04-11 1989-04-10 다층의 열가소성 재료를 절단 밀봉하는 방법 및 장치 KR960015645B1 (ko)

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US179791 1988-04-11
US179,791 1988-04-11
US07/179,791 US4812192A (en) 1988-04-11 1988-04-11 Process and apparatus for cutting and sealing multiple plies of thermoplastic material having thickened sections

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DE68904455T2 (de) 1993-05-13
CA1301613C (en) 1992-05-26
PT90221B (pt) 1994-03-31
EP0337341A1 (en) 1989-10-18
ATE84744T1 (de) 1993-02-15
JPH0628922B2 (ja) 1994-04-20
FI891691A (fi) 1989-10-12
JPH01301327A (ja) 1989-12-05
ES2037313T3 (es) 1993-06-16
US4812192A (en) 1989-03-14
NO891465L (no) 1989-10-12
EP0337341B1 (en) 1993-01-20
DE68904455D1 (de) 1993-03-04
FR2629755B1 (ko) 1995-02-03
AU3253189A (en) 1989-11-23
DK164189D0 (da) 1989-04-05
PT90221A (pt) 1989-11-10
KR960015645B1 (ko) 1996-11-20
NO891465D0 (no) 1989-04-10
BR8901729A (pt) 1989-11-21
DK164189A (da) 1989-10-12
FR2629755A1 (fr) 1989-10-13

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