[특허]Easy open ecology end for cans

[미국특허] Easy open ecology end for cans 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-017/34
출원번호	US-0710165 (1991-06-04)
발명자 / 주소	Voigt Lee R. W. (Schaumburg IL) Dobrzynski Jeffrey A. (Bensenville IL)
출원인 / 주소	Buhrke Industries, Inc. (Arlington Hts. IL 02)
인용정보	피인용 횟수 : 68 인용 특허 : 0

초록 ▼

An easy open can end is disclosed having an attached tear strip across a portion of the can end outlined by a score line, and a round-shaped pull tab secured to the can end adjacent the attached tear strip, the pull tab including a nose portion having a clevis formed in an offset location relative to the pull tab\s longitudinal centerline, the can end including a pivot ridge member formed in a centered position relative to the logitudinal centerline of the attached pull tab for assisting in maximizing the offset forces applied by the pull tab\s nose portion. The offset clevis operates to create reduced opening forces when opening the can end, including a reduced initial “pop”pressure and a reduced “tear”pressure. These reduced forces result by having the offset clevis cause the initial “pop”opening to occur along only one side of the tear strip\s score line and then the opening tear occurs sequentially along the remainder of the score line. This permits use of a score line of reduced depth, thereby leaving additional residual metal at the score line area, which increased residual metal results in less can leakage due to less incidents of unwanted score line fracture. The present invention\s offset clevis tab pull is usable with can ends formed of steel and aluminum.

대표청구항 ▼

An easy open end plate assembly for cans, comprising in combination: a can end plate formed of a thin sheet material and having a configured score line partially cut through the thickness of said end plate so as to define a tear strip portion, said partial cut score line leaving a score residual of said sheet material in said can end plate; a ring pull tab member having grab portion at one end, a nose portion at another end, and an intermediate hinge portion hingedly secured to said can end plate so that said nose portion lies adjacent said tear strip portion; a clevis member formed on said nose portion at a location offset from the longitudinal centerline of said ring pull tab member, whereby said offset clevis member is operable, when a lifting force is placed on said grab portion, to direct the initial opening force of said nose portion along only one side portion of said score line so as to initially open said can end plate, and thereafter said offset clevis member causes a sequential tearing of the remainder of said score line until said tear strip is fully opened, thereby resulting in minimal opening forces, whereby said score residual can be of sufficient thickness to minimize inadvertent fracture of said score; and a pivot ridge member formed in said can end plate so as to extend towards said nose portion adjacent the longitudinal centerline thereof, said pivot ridge member being aligned generally transverse of said nose portion, whereby said pivot ridge member permits said nose portion to pivot thereabout in a direction offset of said longitudinal centerline so as to assist said offset clevis member in maximizing the initial opening force provided by said offset clevis member along said one side portion of said score line.

이 특허를 인용한 특허 (68) 인용/피인용 타임라인 분석

Turner Timothy ; Young Carlton, Can end.
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Turner Timothy ; Young Carlton, Can end.
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Turner Timothy ; Young Carlton, Can end.
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Turner Timothy L. ; Young Carlton, 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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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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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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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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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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Hartman, William H.; Turner, Timothy L., 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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Hurst Robert L. ; Hidalgo Dennis K., Can end having score groove with thickened residual area.
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Turner Tim L. ; Hurst Robert L., Can end with emboss and deboss score panel stiffening beads.
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Kobayashi, Toshiya, Can lid and can container equipped with the same.
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Ojima, Shinichi; Ikeda, Kazunori; Muraoka, Kenyu; Kashiwazaki, Tetsuo; Suwa, Asumi, Can lid and drink can.
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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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Heinicke Paul R. ; Price Trevor, Can lid with stay-on-tab.
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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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Scott, Anthony J., 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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Chasteen, Howard C.; Jacober, Mark A., Container end closure with optional secondary vent opening.
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Chasteen, Howard C.; Jacober, Mark A., Container end closure with optional secondary vent opening.
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Chasteen, Howard C.; Jacober, Mark A., Container end closure with optional secondary vent opening.
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Rinderer, Matthias; Concin, Roland, Container lid and container, and method for producing a container lid.
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Heinicke, Paul R.; Price, Trevor, Die for stay--on--tab.
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Chasteen, Howard C.; Jacober, Mark A., Easy access opening tab for a container end closure.
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McEldowney Carl, Easy open container end with method of manufacture, and tooling.
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McEldowney Carl, Easy open container end, method of manufacture, and tooling.
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Schubert James R., Easy-open container end.
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Schubert James R. (Dayton OH), Easy-open container end.
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Kirk William A. ; Calhoun Michael C. ; Hoffman David M. ; McFarland Jeffrey, Easy-open mechanism for can end.
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Jacober, Mark A.; Chasteen, Howard C., End closure.
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Scott, Anthony J., End closure with a ring pull actuated secondary vent.
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Thibaut, Michel, End closure with anti-rotation tab.
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Turner Timothy L. ; Forrest Randall G. ; Miles Michael P., End closure with improved openability.
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Rayburn, Robert M., End closure with large opening ring pull tab.
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Rayburn, Robert M.; Anderson, Kenneth D., End closure with tab guidance features.
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Vaughan, Joseph S, Large opening beverage container.
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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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Bork, Daniel Benjamin, Metallic end closure with tear panel having improved rigidity.
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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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Bathurst,Jess N.; Traphagen,James D., Method and apparatus for shaping a metallic container end closure.
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Rieck,Hajo; Gray,Martin; Chalk,Richard, Method for fixing the position of a pull-tab with a steep anti rotation device formed from the panel of a sheet metal cover.
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Rieck,Hajo; Gray,Martin; Chalk,Richard, Method for fixing the position of a tab having an anti-rotation bead formed from the panel of a sheet metal lid (steep anti rotation device)..
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Hartman, William H., Modified score for smooth openability.
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Clarke ; III Milton W., Non-detachable tab can end with large oval opening.
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Forrest, Randall G.; Meyer, Jonathan P.; Siegal, Derek J., Reliable opening beverage can end.
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Dabbur, Ismail Omar, Safety mechanism for containers.
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Neiner Christopher G., Stay-on-tab container closure having tear panel with no contour features on the upper surface.
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Ramsey, Christopher Paul; Young, Peter Alan; Abramowicz, Daniel A., Structures and methods for controlling fragrance release using encapsulated fragrance on container bodies.
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Chasteen Howard Curtis, Vented container end apparatus and method.
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Howard Curtis Chasteen, Vented container end apparatus and method.
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Chasteen, Howard C.; Jacober, Mark A., Vented container end closure.
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Jacober, Mark A.; Chasteen, Howard C., Vented container end closure.
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Jacober, Mark A.; Chasteen, Howard C., Vented container end closure.
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Scott, Anthony J., Vented container end closure.
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Jacober, Mark A.; Chasteen, Howard C., Vented end closure.
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Jacober, Mark A.; Chasteen, Howard C., Vented metallic container end closure.
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연합인증

[미국특허] Easy open ecology end for cans 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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