[특허]Can end

[미국특허] Can end 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-006/30 B65D-017/00 B65D-025/00
출원번호	US-0952757 (2013-07-29)
등록번호	US-8851323 (2014-10-07)
우선권정보	EP-02252800 (2002-04-22)
발명자 / 주소	Watson, Martin J. Fields, Brian Lockley, Andrew Robert
출원인 / 주소	Crown Packaging Technology, Inc.
대리인 / 주소	Baker & Hostetler LLP
인용정보	피인용 횟수 : 2 인용 특허 : 28

초록 ▼

A can end having a countersink bead, an inclined chuck wall and a strong seam, resists distortion from its circular profile when subjected to thermal processing or when packaging carbonated beverages. This high hoop strength affects the manner in which the can end ultimately fails when placed under extreme abuse conditions, even if buckle pressure performance is within industry specified standards. The can end of the invention has control features introduced which control the failure mode while maintaining specified buckle pressure performance. In one embodiment, the can end has a two part wall and a control feature that comprises expansion of the countersink bead to act as a trigger for local peaking, together with a groove in the chuck wall which prevents the peaking force from being concentrated at a single point which could result in leaking by the production of a pin hole.

대표청구항 ▼

1. A can end shell comprising: a circular center panel;a countersink bead having an inner wall and an outer wall joined by a generally curved bottom portion;a flat shoulder joining the inner wall of the countersink bead to the center panel, the flat shoulder extending around a 360 degree arc;a multipart chuck wall; and a seaming panel extending from the chuck wall. 2. The can end shell of claim 1, wherein the flat shoulder is coined. 3. The can of claim 1, wherein the can end shell further comprises an indentation positioned at least partially in the upper half of the chuck wall, the indentation extending either internally or externally, or a combination of these. 4. A can end shell for seaming onto a can body, the can end shell comprising: a circular center panel;a countersink bead having an inner wall and an outer wall joined by a generally curved bottom portion;a flattened shoulder joining the inner wall of the countersink bead to the center panel, the flattened shoulder extending around a 360 degree arc;a chuck wall located radially outwardly from the countersink, the chuck wall including a radially externally oriented indentation that is located at a point on the chuck wall that is proximate to a root of a seam upon seaming of the can end shell onto a can body; anda seaming panel located radially outwardly from the chuck wall. 5. The can end shell of claim 4, wherein the indentation is positioned at approximately a halfway point of the chuckwall. 6. The can end shell of claim 4, wherein the externally oriented indentation is located in the upper half of the chuck wall. 7. The can end shell of claim 4, wherein the flattened shoulder is coined. 8. The can end shell of claim 4, wherein the indentation extends around a 360 degree arc. 9. A can end shell for seaming onto a can body, the can end shell comprising: a circular center panel, a countersink bead having an inner wall and an outer wall joined by a generally curved bottom portion;a flattened shoulder joining the inner wall of the countersink bead to the center panel, the flattened shoulder extending around a 360 degree arc;a chuck wall located radially outwardly from the countersink, the chuck wall including a radially externally oriented indentation that is located at approximately a halfway point of the chuck wall; anda seaming panel located radially outwardly from the chuck wall. 10. The can end shell of claim 9, wherein the flattened shoulder is coined. 11. The can end shell of claim 9, wherein the indentation extends around a 360 degree arc. 12. The can end shell of claim 1 wherein the flat shoulder extends up to the center panel without an intervening elbow. 13. The can end shell of claim 1 wherein the center panel has a center that defines a vertical axis that extends perpendicular to the center panel and the multipart chuck wall further comprises a lower portion extending at a first angle in relation to the vertical axis, and an upper portion extending at a second angle in relation to the vertical axis, the first angle being different from the second angle. 14. The can end shell of claim 4 wherein the flattened shoulder extends up to the center panel without an intervening elbow. 15. The can end shell of claim 4 wherein the center panel has a center that defines a vertical axis that extends perpendicular to the center panel and the chuck wall further comprises a lower portion extending at a first angle in relation to the vertical axis, and an upper portion extending at a second angle in relation to the vertical axis, the first angle being different from the second angle. 16. The can end shell of claim 9 wherein the flattened shoulder extends up to the center panel without an intervening elbow. 17. The can end shell of claim 9 wherein the center panel has a center that defines a vertical axis that extends perpendicular to the center panel and the chuck wall further comprises a lower portion extending at a first angle in relation to the vertical axis, and an upper portion extending at a second angle in relation to the vertical axis, the first angle being different from the second angle.

이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

Nguyen Tuan A. (Broomfield CO), Buckle resistance for metal container closures.
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Nguyen Tuan A. (Broomfield CO), Buckle resistance for metal container closures.
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Stodd Ralph P., Can end.
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Stodd, Ralph P., Can end.
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Stodd, Ralph P., Can end.
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Turner, Timothy; Gopalaswamy, Rajesh; Forrest, Randy G., Can end.
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Watson, Martin J.; Fields, Brian; Lockley, Andrew Robert, Can end.
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Watson, Martin J.; Fields, Brian; Lockley, Andrew Robert, Can end.
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Watson,Martin John; Fields,Brian; Lockley,Andrew Robert, Can end.
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Brifcani Mouayed Mamdooh,GBX ; Hinton Peter James,GBX ; Kysh Mark Christopher,GBX, Can end and method for fixing the same to a can body.
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Fields Brian ; Wilson Lloyd, Can end having a strengthened side wall and apparatus and method of making same.
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Santamaria, Alejandro J.; Mathabel, Richard R.; Boysel, Darl G., Can end, tooling for manufacture of the can end and seaming chuck adapted to affix a converted can end to a can body.
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Christopher G. Neiner, Can lid closure and method of joining a can lid closure to a can body.
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Neiner, Christopher G., Can lid closure and method of joining a can lid closure to a can body.
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Neiner, Christopher G.; Reed, James, Can lid closure and method of joining a can lid closure to a can body.
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Stodd, R. Peter, Can shell and double-seamed can end.
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Kalenak Robert D. (Golden CO) Dierking Stanley E. (Golden CO), Container closure with increased strength.
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Sergeant David Robert,GBX, Container end closure.
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Clowes Ernest J. (Lower Burrell PA), Container end having annular panel with non-uniform radius of curvature.
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Schlattl Werner,DEX, Container, in particular a drinks can, and lid for such a container.
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R. Peter Stodd, Double-seamed can end and method for forming.
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Otsuka Hideo,JPX ; Terasawa Hiroyuki,JPX ; Yamanashi Shigeaki,JPX ; Otsuka Ichio,JPX ; Morishita Sunao,JPX, Easily openable can lid.
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Nguyen Tuan A. (Thornton CO), Metal closure with circumferentially-variegated strengthening.
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Tuan A. Nguyen ; Jess N. Bathurst, Metallic beverage can end.
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Fields Brian, Method and apparatus for forming a can end having an improved anti-peaking bead.
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Bulso ; Jr. Joseph D. (Canton OH) McClung James A. (North Canton OH), Method and apparatus for forming container end panels.
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LaBarge Robert L. (Ben Avon Borough PA), Pressure release for carbonated beverage containers.
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Jean-Marie Chabot CA; Alain Fournier CA, Protection device for tubular conduits of a sap collecting system.
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이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

Chasteen, Howard C.; Jacober, Mark A., Container end closure with buckle control feature.
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Chasteen, Howard C.; Jacober, Mark A., Vented container end closure.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Can end 원문보기