[특허]Easy-opening composite closure for hermetic sealing of a packaging container by double seaming

Easy-opening composite closure for hermetic sealing of a packaging container by double seaming 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-017/34
출원번호	US-0644889 (1991-01-23)
발명자 / 주소	Matuszak John J. (Hartsville SC)
출원인 / 주소	Sonoco Products Company (Hartsville SC 02)
인용정보	피인용 횟수 : 55 인용 특허 : 0

초록 ▼

An easy-opening closure is provided for hermetic sealing of the open end of a packaging container. The closure includes a composite end for being double-seamed to the container and having an interior ledge portion defining a central opening through the closure. The composite end includes at least two polymer layers defining a predetermined peel strength for delamination and a formable substrate layer bonded to the bottom one of the polymer layers and adapting the end member to be double-seamed to the container. The end member has a notch cut into the top polymer layer in the ledge portion which is spaced from and surrounds the central opening. A lidding member covers the central opening and has a portion overlapping and bonded to the top polymer layer in the ledge portion of the end member to define a predetermined bond strength greater than the peel strength of the two polymer layers of the end member. With this construction, the force required to open the closure from the inside of the container is greater than the force required to open the closure from the outside of the container since the closure is easily-opened by upward pulling of the bonded overlapping portions of the lidding member to cause delamination and peeling of the portion of the top polymer layer bonded to the lidding member from the bottom polymer layer beginning at the notch and continuing to the central opening.

대표청구항 ▼

An easy-opening closure for hermetic sealing of the open end of a packaging container and comprising: a composite end member of desired construction for being double-seamed to the open end of the container and having an interior ledge portion defining a large central opening to allow access therethrough to the interior of the container, said composite end member including at least two polymer layers defining a predetermined peel strength at an interfacial plane thereof for controlled delamination of said two layers and a formable substrate layer bonded to the bottom one of said polymer layers and adapting said composite end member to be double-seamed to the container, said composite end member having a notch cut into the top one of said polymer layers in said ledge portion and spaced from and surrounding said central opening; and a lidding member of desired configuration covering said central opening and having a portion overlapping said ledge portion and bonded to said top polymer layer in said composite end member to define a predetermined bond strength greater than said peel strength of said two polymer layers of said composite end member; whereby, the force required to open said closure from the inside of the container when double-seamed to the container is greater than the force required to open said closure from the outside of the container since said closure is easily-opened by upwardly pulling of said bonded overlapping portion of said lidding member to cause delamination and peeling of the portion of said top polymer layer bonded to said lidding member from said bottom polymer layer beginning at said notch and continuing to said central opening.

이 특허를 인용한 특허 (55)

Morin, Jeremy; Price, Trevor, Apparatus and method for induction sealing of conveyed workpieces.
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Julian, Randy K.; Montgomery, Gary V., Apparatus for producing a retort thermal processed container with a peelable seal.
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Turner, Timothy L.; Forrest, Randall G.; Gopalaswamy, Rajesh; Gogola, Michael R., Can end.
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Turner, Timothy; Gopalaswamy, Rajesh; Forrest, Randall G., Can end.
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Turner, Timothy; Gopalaswamy, Rajesh; Forrest, Randall G., Can end.
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Turner, Timothy; Gopalaswamy, Rajesh; Forrest, Randy G., Can end.
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Turner,Timothy; Gopalaswamy,Rajesh; Forrest,Randall G., Can end.
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Turner,Timothy; Gopalaswamy,Rajesh; Forrest,Randall G., Can end.
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Turner,Timothy; Gopalaswamy,Rajesh; Forrest,Randy G., Can end.
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Forrest, Randall G.; Turner, Timothy L., Can end with countersink.
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Turner, Timothy L.; Forrest, Randall G.; Gopalaswamy, Rajesh; Gogola, Michael R., Can end with fold.
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Turner, Timothy L.; Forrest, Randall G., Can end with negatively angled wall.
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Forrest, Randall G.; Turner, Timothy L., Can end with reinforcing bead.
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Forrest, Randall G.; Turner, Timothy L., Can end with reinforcing bead.
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Stodd, R. Peter; Bathurst, Jess, Can shell and double-seamed can end.
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Stodd, R. Peter; Bathurst, Jess N., Can shell and double-seamed can end.
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Stodd, R. Peter; Bathurst, Jess N., Can shell and double-seamed can end.
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Stodd, R. Peter; Bathurst, Jess N., Can shell and double-seamed can end.
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Wallis, Andrew John; Gossedge, Graham Martin, Closure.
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Robinson, Clayton L.; Montgomery, Gary V., Closure for a retort processed container having a peelable seal.
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Robinson,Clayton L.; Montgomery,Gary V., Closure for a retort processed container having a peelable seal.
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Robinson,Clayton L.; Williams,Douglas M.; Julian,Randall K.; Montgomery,Gary V., Closure for a retort processed container having a peelable seal.
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Robinson, Clayton L.; Bush, Randall G.; Shankland, William J.; D'Silva, Kiran M.; Marsella, Louis John; Montgomery, Gary V., Closure with lifting mechanism.
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Robinson, Clayton L.; Bush, Randall G.; Shankland, William J.; D'Silva, Kiran M.; Marsella, Louis John; Montgomery, Gary V., Closure with lifting mechanism.
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Friderich, Steven Scott; O'Connor, Denise E.; Cesa, Joseph A., Collapsible sterilization container.
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Friderich, Steven Scott; O'Connor, Denise E.; Cesa, Joseph A., Collapsible sterilization container.
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Guzzi, Brian Daniel; Cassoni, Robert Paul, Composite containers for storing perishable products.
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Morin,Jeremy E., Container closure with dual heat seal and magnetic seal.
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Jentzsch, Kevin Reed; Chasteen, Howard; Jacober, Mark A., Container end closure.
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Bulso, Joseph D., Container end closure with arcuate shaped chuck wall.
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Bulso, Joseph D., Container end closure with improved chuck wall provided between a peripheral cover hook and countersink.
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Price, Trevor; Morin, Jeremy, Container with thermally fused double-seamed or crimp-seamed metal end.
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Price, Trevor; Morin, Jeremy, Container with thermally fused double-seamed or crimp-seamed metal end.
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Price, Trevor; Morin, Jeremy, Container with thermally fused double-seamed or crimp-seamed metal end.
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Price, Trevor; Morin, Jeremy, Container with thermally fused double-seamed or crimp-seamed metal end.
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Erfgen Werner,DEX ; Sauer Reiner,DEX, Easily-opened can lid.
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Rea,Keith; Renck,Lawrence E., Easy-opening closure for retortable container.
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Jongsma, Jelmer Eelke; Jouillat, Jean-Francois, Expandable container having lid for providing headspace control in a food can.
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Jongsma, Jelmer Eelke; Jouillat, Jean-Francois, Expandable container having lid for providing headspace control in a food can.
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Marsella, Louis J., Heat-sealed, peelable lidding membrane for retort packaging.
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Nguyen, Tuan A., Metallic beverage can end closure with offset countersink.
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Jentzsch, Kevin Reed; Chasteen, Howard; Jacober, Mark A., Method and apparatus for forming a reinforcing bead in a container end closure.
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Price, Trevor; Morin, Jeremy; Dunn, Dave, Method for applying a metal end to a container body.
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Turner, Timothy L.; Forrest, Randall G.; Gopalaswamy, Rajesh; Gogola, Michael R., Method of forming a can end.
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Helms Charles R., Paper-sided composite lid.
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Bush, Randall G.; Shankland, William J.; Marsella, Louis J., Peelable seal for an opening in a container neck.
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Hidding Walter E. ; Hidding Douglas J., Protective tamper-evident label and bottle cap.
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Price, Trevor; Morin, Jeremy, Retort container with thermally fused double-seamed or crimp-seamed metal end.
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Marsella, Louis J.; Bush, Randall G.; Shankland, William J., Self peel flick-it seal for an opening in a container neck.
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Julian, Randall K.; Robinson, Clayton L., Self-draining container neck and closure.
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Ming-Tang Hsu TW, Self-opening can.
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Cesa, Joseph A.; Clark, Laureen C.; Clay, John K.; Friderich, Steven Scott; Gorman, Sean P.; Hernandez, David; O'Connor, Denise E.; Schwarz, Corinna; Smith, Tara Denise; Starkey, James Troy; Sterling, Daniel P., Single use sterilization container.
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Bardou, Jean-Francois M.; Guezennec, Roland; Lhommond, Jean-Pierre, System and method for packaging.
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Bardou, Jean-Francois M.; Guezennec, Roland; Lhommond, Jean-Pierre, System and method for packaging.
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Varadarajan,Krishnaraju, Tamper evident closure with reclose feature.
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Easy-opening composite closure for hermetic sealing of a packaging container by double seaming 원문보기

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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Easy-opening composite closure for hermetic sealing of a packaging container by double seaming 원문보기

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