KR920000589A - 개봉 용이성 용기 및 그의 제조방법 - Google Patents

개봉 용이성 용기 및 그의 제조방법 Download PDF

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KR920000589A
KR920000589A KR1019910009877A KR910009877A KR920000589A KR 920000589 A KR920000589 A KR 920000589A KR 1019910009877 A KR1019910009877 A KR 1019910009877A KR 910009877 A KR910009877 A KR 910009877A KR 920000589 A KR920000589 A KR 920000589A
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opening
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KR950001847B1 (ko
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유끼오 다까다
다께시 시노하라
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홍고오 무쯔미
이데미쯔세끼유가가꾸가부시끼가이샤
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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
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
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    • 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
    • B65D77/2036—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container the seal having a stress concentrating portion
    • 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
    • B65D77/22—Details
    • B65D77/30—Opening or contents-removing devices added or incorporated during filling or closing of containers
    • B65D77/38—Weakened closure seams
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • 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
    • B32B2331/00—Polyvinylesters
    • B32B2331/04—Polymers of vinyl acetate, e.g. PVA
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2025—Multi-layered container, e.g. laminated, coated
    • B65D2577/2033—Multi-layered container, e.g. laminated, coated with one or more layers of container being torn off upon initial opening
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2066—Means on, or attached to, container flange facilitating opening, e.g. non-bonding region, cut-out
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2075—Lines of weakness or apertures
    • B65D2577/2083—Lines of weakness or apertures in container flange
    • 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
    • Y10T156/1082—Partial cutting bonded sandwich [e.g., grooving or incising]

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  • Mechanical Engineering (AREA)
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Abstract

내용 없음

Description

개봉 용이성 용기 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 구현예인 개봉 용이성 용기의 부분적인 절단면 모습이다.
제2도는 제1도의 개봉 용이성 용기의 부분적인 확대면 모습이다.
제3(a)도 및 제3(b)도는 각각, 제2도의 선 Ⅰ-Ⅰ및 선 Ⅱ-Ⅱ를 따라 취해진 제2도의 개봉 용이성 용기의 단면을 나타내는 모습이다.

Claims (22)

  1. (a)최내층,최내층과 접촉하는 인접층, 개봉말단을 가지는 오목한 부분, 오목한 부분의 개봉 말단으로부터 원형으로 그리고 바깥쪽으로 펼쳐지는 플랜지를 포함하는 다층 용기 본체및 (b) 플랜지에서 다층 용기 본체의 최내층에 용융 밀봉되는 개부재를 구성되며, 다층 용기 본체의 최내층 및 인접층은 서로 박리될 수 있으며, 최내층과 인접층간의 박리강도는 개부재와 다층 용기 본체의 최내층간의 박리 강도보다 작고, 플랜지에는 첫번째 원형 노치와 최내층에 만들어진 두번째 원형 노치가 있으며 두번째 원형 노치는 첫번째 원형노치 외부에 방사상으로 위치하고 있고, 다층 용기 본체 및 개부재는 첫번째 원형 노치 및 두번째 원형 노치사이에서 응용 밀봉되는데 단, 용융 밀봉영역부위는 용융 밀봉 영역부위는 개봉 용이성 용기의 개봉시작 부위를 제공하기 위해 두번째 원형 노치로부터 바깥쪽으로 투영되고, 최내층은 용융 밀봉된 영역 투영 부위의 최외연에 흠집이 있으며, 최내층에서 흠집은 개부재를 통해 최태층을 압축시키므로써 만들어지는 것을 특징으로 하는 개봉 용이성 용기.
  2. 제1항에 있어서, 용융 밀봉된 영역의 투영부위 폭은 넓어야 20mm이고, 길이는 길어야 10mm인 개봉 용이성 용기.
  3. 제2항에 있어서, 용융 밀봉된 영역의 투영부위가 투영부위의 최외연쪽에서 보다 좁아지는 개봉 용이성 용이성 용기.
  4. 제1항에 있어서, 개부재가 다층 용기 본체에 용융 밀봉된 밀봉제층을 가진 다층 시이트에 의해 구성된 개봉 용이성 용기.
  5. 제4항에 있어서, 개부재의 밀봉제층이 폴리에틸렌인 개봉 용이성 용기.
  6. 제1항에 있어서, 다층 용기 본체의 최내층은 폴리에틸렌이고, 다층 용기 본체의 인접층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기.
  7. 제6항에 있어서, 다층 용기의 본체의 최내층은 고밀도 폴리에틸렌이고, 다층 용기 본체의 인접층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기.
  8. 제6항에 있어서, 다층 용기 본체의 최내층은 저밀도 폴리에틸렌이고, 다층 용기 본체의 인접층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기.
  9. 제1항에 있어서, 다층 용기 본체의 최내층은 저밀도 폴리프로필렌이고, 다층 용기 본체의 인접층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기.
  10. 제1항에 있어서, 다층 용기 본체의 최내층은 저밀도 폴리에틸렌이고, 다층 용기 본체의 인접층은 고밀도 폴리에틸렌인 개봉 용이성 용기
  11. 제1항에 있어서, 다층 용기 본체의 최내층은 에틸렌-비닐아세테이트 공중합체이고, 다층 용기 본체의 인접층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기
  12. 제1항에 있어서, 다층 용기 본체의 최내층은 에틸렌-비닐아세테이트 공중합체이고, 다층 용기 본체의 인접층은 에틸렌-프로필렌 랜덤 공중합체인 개봉 용이성 용기
  13. 제1항에 있어서, 다층 용기 본체의 최내층은 폴리프로필렌 이고 다층 용기 본체의 인접층은 무기 충전재-함유 폴리프로필렌 및 폴리에틸렌인 개봉 용이성 용기.
  14. 제1항에 있어서, 다층 용기 본체의 최내층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물이고, 다층 용기본체의 인접층은 무기 충전재-함유 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기.
  15. 제1항에 있어서, 다층 용기 본체의 최내층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물이고, 다층 용기 본체의 인접층은 무기충전재-함유 고밀도 폴리에티렌이 개봉 용이성 용기.
  16. 제1항에 있어서, 다층 용기 본체의 최내층은 호로폴리프로필렌이고, 다층 용기 본체의 인접층은 무기 충전재-함유 고밀도 폴리에틸렌의 개봉 용이성 용기.
  17. 제1항에 있어서, 다층 용기 본체의 최내층은 프로필렌 랜덤 공중합체이고, 다층 용기 본체의 인접층은 무기 충전재-함유 고밀도 폴리에틸렌인 개봉 용이성 용기.
  18. 제1항에 있어서, 다층 용기 본체의 최내층은 불포화카르복실산-변형 폴리프로필렌이고, 다층 용기 본체의 인접층은 알루미늄인 개봉 용이성 용기.
  19. 제5항에 있어서, 다층 용기 본체의 최내층은 고밀도 폴리에틸렌이고, 다층 용기 본체의 인접층은 폴리프로필렌 및 폴리에틸렌의 수지 혼합물인 개봉 용이성 용기.
  20. 제1항에 있어서, 개부재는 선형 저밀도 폴리에틸렌의 밀봉제층, 연신나일론층, 폴리비닐리덴 클로라이드층 및 연신 나일론 층의 순서로 구성된 네층 시이트로 형성되고, 다층 용기 본체는 고밀도 폴리에틸렌의 최내층및 저밀도 폴리에틸렌과 폴리프로필렌의 수지 혼합물로 된 인접층으로 구성된 두층 시이트로 형성되는 개봉 용이성 용기.
  21. 제3항에 있어서, 개부재는 선형 저밀도 폴리에틸렌의 밀봉제층, 연신나일론층, 폴리비닐리덴 클로라이드층 및 연신 나일론 층의 순서로 구성된 네층 시이트로 형성되어 있고, 다층 용기 본체는 고밀도 폴리에틸렌의 최내층 및 플로프로필렌과 선형 저밀도 폴리에틸렌의 수지 혼합물로 된 인접층으로 구성된 두층 시이트로 형성되는 개봉 용이성 용기.
  22. 최내층, 최내층과 접촉하는 인접층(최내층과 인접층은 서로 박리될 수 있음), 개봉말단을 가지는 오목한 부위 및 오목한 부분의 개봉말단으로부터 원형으로 그리고 바깥쪽으로 펼쳐진 플랜지를 포함하는 다층 용기 본체에 흠을 파게되어, 플랜지는 최내층에 만들어진 첫번째 원형 노치 및 두번째 원형 노치를 가지며, 이때 두번째 원형 노치는 첫번째 원형 노치 외부에 방사상으로 위치하게 되고;첫번째 원형 노치및 두번째 원형 노치 사이의 플랜지에서 개부재를 다층 용기 본체의 최내층에, 개부재와 다층 용기 본체의 최내층간의 박리 강도가 최내층과 다층 용기 본체 인접층간의 박리강도보다 더 크고, 용융 밀봉된 영역부위가 두번째 원형 노치로 부터 바깥쪽으로 투영되어 개봉 용이성 용기의 개봉시작 부위를 제공하도록 용융 밀봉하며;용융 밀봉된 투영부위 최외연에서 최내층내의 개부재를 통하여 홈집을 만드는 동시에 개부재가 다층 용기 본체에 용융 밀봉되는 것을 특징으로 하는, 개봉 용이성 용기의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910009877A 1990-06-15 1991-06-14 개봉 용이성 용기 및 그의 제조방법 KR950001847B1 (ko)

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AU7720791A (en) 1992-01-23
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DE69100874D1 (de) 1994-02-10
EP0461640B1 (en) 1993-12-29
ES2047363T3 (es) 1994-02-16
CA2043405C (en) 1995-02-28
EP0461640A1 (en) 1991-12-18
CA2043405A1 (en) 1991-12-16
NZ238261A (en) 1993-08-26
US5334272A (en) 1994-08-02
AU630558B2 (en) 1992-10-29
DE69100874T2 (de) 1994-04-07
KR950001847B1 (ko) 1995-03-04

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