[특허]Increased strength for metal beverage closure through reforming

[미국특허] Increased strength for metal beverage closure through reforming 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-008/08
출원번호	US-0772837 (1985-09-05)
발명자 / 주소	Smith Eugene F. (Morrison CO) Nguyen Tuan A. (Northglenn CO)
출원인 / 주소	Ball Corporation (Muncie IN 02)
인용정보	피인용 횟수 : 49 인용 특허 : 7

초록 ▼

Metal beverage closures of increased strength may be produced by a reform process which requires the initial production of a non-standard shell having a reduced countersink radius and reduced panel height. The shell is reformed, preferably in the conversion process, to industry standard dimensions, with the reduced countersink radius being maintained. To provide adequate material in the curl portion of the closure for seaming, the initial shell is provided with a reduced chuckwall diameter which is then reformed to industry standard dimensions.

대표청구항 ▼

A sheet metal closure of increased strength, comprising a substantially planar center panel, a countersink portion around said center panel bounded on the inside by an integral inner panel wall and on the outside by an integral chuckwall, said inner panel wall being straight and having a substantially perpendicular orientation relative to the center panel, a first curved portion having a first radius integrally joining said inner panel wall to said center panel, a second curved portion having a second radius at the bottom of said countersink portion to define a countersink radius, and a peripheral flange extending radially outward from said chuckwall, the distance from the upper surface of said flange to the bottom of said countersink radius defining a countersink depth, the distance from the lower surface of said central panel to the bottom surface of said second curved portion defining a panel height, said closure being formed from a shell by the process of initially forming said shell with an increased countersink depth relative to a final, predetermined countersink depth, a reduced panel height relative to the final, predetermined panel height, and a countersink radius of about 0.02 inches and, thereafter, reforming said shell to decrease said countersink depth to said predetermined countersink depth and increase said panel height to said predetermined panel height while maintaining said countersink radius of about 0.02 inches.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Nguyen Tuan A. (Broomfield CO), Buckle resistance for metal container closures.
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Kraska ; John L., End panel for containers.
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Smith, Eugene F.; Nguyen, Tuan A., Increased strength for metal beverage closure through reforming.
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Kraska John L. (Riverside IL), Metal container end.
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Taube William L. (Murrietta CA) Roberts David A. (Wokingham GB2), Method of and apparatus for forming a reinforced can end.
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Schultz ; Freddy R., Method of forming a pressure resistant end shell for a container.
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Jordan Charles L. (Upper Burrell Township ; Westmoreland County PA), Method of reforming a can end.
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이 특허를 인용한 특허 (49) 인용/피인용 타임라인 분석

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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Brifcani, Mouayed Mamdooh; Hinton, Peter James; Kysh, Mark Christopher, Can end and method for fixing the same to a can body.
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Forrest,Randy G.; Turner,Timothy, Can end for a container.
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Brian Fields ; Lloyd Wilson, Can end having a strengthened side wall and apparatus and method of making same.
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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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Gogola, Michael R.; Forrest, Randall G., Can end produced from downgauged blank.
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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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Reed, James; Neiner, Christopher G., Can lid closure.
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Reed,James; Neiner,Christopher G., Can lid closure.
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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; 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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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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Turner Timothy L. ; Forrest Randall G. ; Miles Michael P., End closure with improved openability.
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Le Bret Lucien F. (Saint Gratien FRX) Saada Robert (Maisons-Alfort FRX), End closures for a container body.
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Mazurek Stanley L. (Rolling Meadows IL) Winkless Robert A. (Oak Lawn IL), End shape modification to reduce end hook wrinkling.
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Nguyen Tuan A. (Thornton CO), Metal closure with circumferentially-variegated strengthening.
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Nguyen, Tuan A., Metallic beverage can end closure with offset countersink.
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Nguyen,Tuan A.; Bathurst,Jess N.; Reed,James A.; Neiner,Christopher G., Metallic beverage can end with improved chuck wall and countersink.
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Jacober,Mark A.; Chasteen,Howard C., Metallic end closure for a container.
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Fields Brian, Method and apparatus for forming a can end having an improved anti-peaking bead.
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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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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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Bulso ; Jr. Joseph D. (Canton OH) McClung James A. (North Canton OH), Method and apparatus for forming container end panels.
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Nguyen Tuan A. (Golden CO) Farley Todd W. (Arvada CO), Method and apparatus for producing container body end countersink.
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Bathurst,Jess N.; Traphagen,James D., Method and apparatus for shaping a metallic container end closure.
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Fraze Ermal C. (Dayton OH) Bachmann Henry C. (Dayton OH), Method for forming a shell for a can type container.
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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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Biondich Scott C. (Delmont PA), Pressure resistant end shell for a container and method and apparatus for forming the same.
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Turner, Timothy; Forrest, Randy G.; Gopalaswamy, Rajesh, Reformed can end for a container and method for producing same.
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Turner, Timothy; Forrest, Randy G.; Gopalaswamy, Rajesh, Reformed can end for a container and method for producing same.
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Forrest Randall (Hoffman Estates IL) Turner Timothy (Cary IL) Thurman Don (Valparaiso IN), Reformed container end.
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Forrest Randall G. (Park Ridge IL) Turner Timothy L. (Cary IL) Thurman Donald M. (Valparaiso IN), Reformed container end.
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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] Increased strength for metal beverage closure through reforming 원문보기