Package integrity indicator for container closure
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-077/10
B65D-051/20
출원번호
US-0500497
(2006-08-08)
등록번호
US-8308363
(2012-11-13)
발명자
/ 주소
Vogt, Carole Anne
Sierra-Gomez, Gladys Odette
Weber, Jeffrey Thomas
McDermott, Elizabeth A.
Philipsen, Douglas H.
출원인 / 주소
Kraft Foods Global Brands LLC
대리인 / 주소
Fitch, Even, Tabin & Flannery, LLP
인용정보
피인용 횟수 :
55인용 특허 :
274
초록▼
A resealable closure for packages is provided which has a package integrity feature. The closure includes a two-ply material having an inner film layer and an outer film layer, forming a top of container. The outer film layer has a sealing panel completely covering a first panel and a second panel o
A resealable closure for packages is provided which has a package integrity feature. The closure includes a two-ply material having an inner film layer and an outer film layer, forming a top of container. The outer film layer has a sealing panel completely covering a first panel and a second panel of the inner film layer. The sealing panel is permanently attached to the first panel and is releasably affixed a portion of the inner film layer around the perimeter of the first panel to form an opening in the top when the sealing panel with affixed first panel is peeled back from the top. The sealing panel is resealable against the top to seal the opening when the sealing panel is moved back against the top. The package integrity feature comprises the second panel of the inner layer which separates from the sealing panel to indicate that the container has been previously opened.
대표청구항▼
1. A package integrity indicating closure, said closure comprising: an at least two-ply material comprising a first film layer adhesively joined to a second film layer;a first tear line formed into said first film layer, defining a first panel for providing an access opening through said first film
1. A package integrity indicating closure, said closure comprising: an at least two-ply material comprising a first film layer adhesively joined to a second film layer;a first tear line formed into said first film layer, defining a first panel for providing an access opening through said first film layer when separated from said first film layer along said first tear line, and a second tear line formed into said first film layer and directly terminating at said first tear line to thereby define a second panel for indicating an initial opening of the closure when the second panel is separated from said first panel along said first tear line;said second film layer completely covering the first panel and the second panel of the first film layer;said second film layer including a resealable adhesive layer for releasably adhering said sealing panel to said first film layer wherein said sealing panel is separable from said first film layer and said second panel to expose the access opening; and wherein the second panel provides a visual indication that the closure has been opened after said sealing panel has been peeled back from said first film layer for a first time. 2. The closure of claim 1, wherein said second panel is constructed to fall away from a plane defined by said first film layer after the second film layer is peeled back from said first film layer for a first time. 3. The closure of claim 1, wherein the second film layer includes a third tear line defining at least in part said sealing panel. 4. The closure of claim 1, wherein the visual indicator comprises coordinated indicia having a first portion on the sealing layer and a second portion on the second panel, wherein prior to initial opening the coordinated indicia appears complete and after initial opening the coordinated indicia appears incomplete, thereby indicating previous opening. 5. The closure of claim 1, wherein said sealing panel comprises of a see through window portion allowing visual observation of said second panel of said first film layer. 6. The closure of claim 5, wherein said sealing panel see through window portion lies over said second panel of said first film layer, prior to closure being opened for a first time. 7. An integrity indicating closure for a container comprising: an at least two-ply material comprising an inner layer adhesively joined to an outer layer and forming a top of the container, said inner layer having a first panel and a second panel, said outer layer having a sealing panel formed therein which completely covers the first panel and the second panel of the inner layer, said first panel and said sealing panel being permanently joined to each other to provide an access opening into the container such that when the sealing panel is pulled from the inner layer the first panel of the inner layer is pulled back with the sealing panel, thereby opening the access opening, the second panel directly abutting the first panel prior to initial opening of the access opening; anda releasable adhesive provided around a perimeter of said sealing panel for adhering said sealing panel to said inner layer and said second panel, said sealing panel being releasable from said inner layer and separable from the second panel by pulling the sealing panel back in a peeling direction and reclosable against said top to seal said opening when said sealing panel is moved back against said top, whereby after closing, the second panel is separated from the sealing panel thereby providing a visual indication that the integrity closure has been opened. 8. The integrity indicating closure of claim 7, wherein said second panel is integrally formed with said inner layer. 9. The integrity indicating closure of claim 7, wherein said second panel is spaced from opposing sides of said opening. 10. The integrity indicating closure of claim 7, wherein said second panel is constructed to fall into said container when said sealing panel is peeled back for a first time. 11. The integrity indicating closure of claim 7, wherein said sealing panel comprises a material allowing visual observation of said second panel of said inner layer. 12. The integrity indicating closure of claim 7, wherein said sealing panel comprises a see through window portion lying over said second panel of said inner layer, prior to said closure being opened for a first time. 13. The integrity indicating closure of claim 7, wherein said second panel falls away from the plane of said opening, after the sealing panel is peeled back from said inner layer for a first time. 14. The integrity indicating closure of claim 7 wherein the sealing panel is formed in the outer layer. 15. The integrity indication closure of claim 7, wherein the visual indication comprises coordinated indicia having a first portion on the sealing layer and a second portion on the second panel, wherein prior to initial opening the coordinated indicia appears complete and after initial opening the coordinated indicia appears incomplete, thereby indicating previous opening. 16. The integrity indicating closure of claim 7, wherein the second panel abuts said first panel prior to initial opening. 17. A package integrity indicating closure, said closure comprising: an at least two-ply material comprising a first film layer adhesively joined to a second film layer;a first tear line formed into said first film layer, defining a first panel for providing an access opening through said first film layer when separated from said first film layer along said first tear line, and a second tear line formed into said first film layer and directly terminating at said first tear line to thereby define a second panel having an inner edge coextensive with the first panel prior to initial opening, the second panel indicating an initial opening of the closure when the second panel is separated from said first panel along said first tear line;said second film layer completely covering the first panel and the second panel of the first film layer;said second film layer including a resealable adhesive layer for releasably adhering said sealing panel to said first film layer wherein said sealing panel is separable from said first film layer and said second panel to expose the access opening; and wherein the second panel provides a visual indication that the closure has been opened after said sealing panel has been peeled back from said first film layer for a first time.
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