[특허]Full aperture beverage end

Crown Packaging Technology, Inc.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Full aperture beverage end

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-017/353 B65D-017/347 B65D-017/34 B65D-017/00
미국특허분류(USC)	220/273; 220/269; 220/270
출원번호	US-0797171 (2010-06-09)
등록번호	US-8939308 (2015-01-27)
우선권정보	EP-09169559 (2009-09-04)
발명자 / 주소	Ramsey, Christopher Paul Chant, Garry Richard Lockley, Andrew Robert Fields, Brian Watson, Martin John Hyde, Eleanor Rachel Ann
출원인 / 주소	Crown Packaging Technology, Inc.
대리인 / 주소	Baker & Hostetler LLP
인용정보	피인용 횟수 : 10 인용 특허 : 44

초록

A full aperture beverage end has a center panel, a countersink surrounding the center panel, a main score arranged in proximity to the countersink to define a removable aperture panel and a vent score. The beverage end is adapted for use with products that are pressurized to over 30 psi (200 kPa) when opened, and during opening the vent score is adapted to sever first, controlling the pressure differential between the external surface and internal surface of the center panel, thereby allowing the main score to tear in a controlled and reliable manner.

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1. A full aperture beverage end comprising: a center panel,a countersink surrounding the center panel,a main score formed in the center panel and arranged in proximity to the countersink to define a removable aperture panel,a rivet, the rivet defining a rivet center,a tab affixed to the center panel by the rivet, the tab having a nose and a heel, the tab defining a primary reference line that extends from the nose to the heel and through the rivet center, the tab further defining a transverse reference line that is perpendicular to the primary reference line and extends through the rivet center, anda vent score formed in the center panel, the vent score including a pair of lateral portions that extend parallel to the transverse reference line and are disposed forward of the transverse reference line towards the nose of the tab by a first distance that is between 0 and 0.050 inches (0 mm and 1.3 mm), the vent score further including a pair of side portions that extend from the lateral portions, such that each side portion extends inwardly towards the primary reference line and rearwardly relative to the transverse reference line towards the heel of the tab by a second distance that is between 0.15 and 0.4 inches (3.8 and 10.2 mm) and such that the side portions are oriented at an angle relative to the primary reference line that is between −30 and +30 degrees,whereby the end is formed of 5000 series aluminum and adapted for use with products that are pressurized to over 70 psi and such that during opening the vent score is adapted to sever first, controlling the pressure differential between the external surface and internal surface of the center panel, thereby allowing the main score to tear in a controlled and reliable manner. 2. The full aperture beverage end according to claim 1 adapted for use with products held under pressure of between 70 and 90 psi. 3. The full aperture beverage end according to claim 1, wherein a heel of the tab is configured to be lifted by a user to initiate sequential rupture of the vent score and then the main score. 4. The full aperture beverage end according to claim 3, wherein the tab is solid and has no hinge. 5. The full aperture beverage end according to claim 3, wherein the tab is positioned so that a nose is within the main score or proximate to the main score upon initial actuation of the tab. 6. The full aperture beverage end according to claim 1, wherein the main score has an asymmetric score profile. 7. The full aperture beverage end according to claim 6, wherein the asymmetric score profile is designed to ensure that a score land portion of the asymmetric score profile remains with the aperture panel after the aperture panel is detached. 8. The full aperture beverage end according to claim 1, wherein the center panel further includes a second, anti-fracture score positioned radially inside the main score. 9. The full aperture beverage end according to claim 1, wherein the height from the base of the countersink to the end panel is greater than 0.060 inches (1.5 mm). 10. The full aperture beverage end of claim 1 wherein main score is positioned to within 0.020 inches (0.5 mm) radially of the panel fillet so as to maximize cut edge safety. 11. A full aperture beverage can rated for internal pressure of over 70 psi, the beverage can comprising: a can body; andan end formed of 5000 series aluminum, seamed onto the can body, including a center panel and a main score and formed in the center panel,a rivet, the rivet defining a rivet center, anda tab affixed to the center panel by the rivet, the tab has a nose and a heel, the tab defining a primary reference line that extends from the nose to the heel and through the rivet center, the tab further defining a transverse reference line that is perpendicular to the primary reference line and extends through the rivet center, anda vent score formed in the center panel, the vent score including a pair of lateral portions that extend parallel to the transverse reference line and are disposed forward of the transverse reference line towards the nose of the tab by a first distance that is between 0 and 0.050 inches (0 mm and 1.3 mm), the vent score further including a pair of side portions that extend from the lateral portions, such that each side portion extends inwardly towards the primary reference line and rearwardly relative to the transverse reference line towards the heel of the tab by a second distance that is between 0.15 and 0.4 inches (3.8 and 10.2 mm) and such that the side portions are oriented at an angle relative to the primary reference line that is between −30 and +30 degrees. 12. The full aperture beverage can of claim 11 wherein the can is rated for internal pressure of at least 85 psi (586 kPa). 13. The full aperture beverage can of claim 11 wherein the can is rated for internal pressure of at least 90 psi (621 kPa). 14. The full aperture beverage can of claim 11, further including a countersink that surrounds the center panel, wherein a centerline of the main score is located between 0.000 inches and 0.020 inches (0.00 mm and 0.51 mm) from a center of a transition radius between the countersink and the center panel. 15. The full aperture beverage can of claim 11, further including a countersink that surrounds the center panel, wherein a centerline of the main score is located between 0.000 inches and 0.010 inches (0.00 mm and 0.25 mm) from a center of a transition radius between the countersink and the center panel. 16. The full aperture beverage can of claim 11, further including a countersink that surrounds the center panel, wherein a centerline of the main score is located between 0.000 inches and 0.006 (0.00 mm and 0.15 mm) inches from a center of a transition radius between the countersink and the center panel. 17. The full aperture beverage can of claim 11, further including a countersink that surrounds the center panel, wherein a centerline of the main score is located between 0.000 inches and 0.004 inches (0.00 mm and 0.10 mm) from a center of a transition radius between the countersink and the center panel. 18. The full aperture beverage can of claim 11, further including a countersink that surrounds the center panel, wherein a centerline of the main score is located between 0.000 inches and 0.002 inches (0.00 mm and 0.05 mm) from a center of a transition radius between the countersink and the center panel. 19. The full aperture beverage can of claim 11 wherein the nose of the tab in its rest state is radially inwardly spaced apart from an inner edge of the main score by between approximately 0.000 inches and 0.008 inches (0.00 mm and 0.20 mm), measured horizontally. 20. The full aperture beverage can of claim 11 wherein the nose of the tab in its rest state is radially inwardly spaced apart from an inner edge of the main score by between approximately 0.000 inches and 0.005 inches (0.00 mm and 0.13 mm), measured horizontally. 21. The full aperture beverage can of claim 11 wherein the nose of the tab in a partially actuated state, in which the tab nose contacts the center panel, is approximately between the centerline of the main score and 0.005 inches (0.13 mm) radially inboard from an inner edge of the main score. 22. The full aperture beverage can of claim 11 wherein the nose of the tab in a partially actuated state, in which the tab nose contacts the center panel, is within 0.002 inches (0.05 mm) of an inner edge of the main score.

이 특허에 인용된 특허 (44)

이 특허를 인용한 특허 피인용횟수: 10

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Full aperture beverage end

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Full aperture beverage end

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이 특허에 인용된 특허 (44)

이 특허를 인용한 특허 피인용횟수: 10

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