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특허 상세정보

Stay-on-tab container closure having tear panel with no contour features on the upper surface

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-017/34   
미국특허분류(USC) 220/269 ; 220/906
출원번호 US-0742970 (1996-11-01)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Carr & Storm, L.L.P.
인용정보 피인용 횟수 : 12  인용 특허 : 51
초록

A stay-on-tab container closure suitable for use on beverage cans and the like, said closure including an center panel with an downwardly displaceable tear panel, which, in one aspect, has a smooth upper surface having no visually perceptible contour features, and which, in another aspect, has low-relief contour features on its upper surface. Closures according to the invention have reduced stresses across the score defining the tear panel, thereby reducing the likelihood of stress-induced fatigue cracking which can lead to score failure when the contain...

대표
청구항

[ I claim:] [1.]1. A stay-on-tab container closure comprising:(a) a circular center panel formed from a sheet material having a thickness;said center panel having upper and lower surfaces;(b) a recessed area formed on said center panel at a lower elevation than the remaining portions of said center panel;(c) a frangible score formed on said upper surface of said center panel and disposed within said recessed area;said score, when viewed from above, having a curvilinear bight portion and two end portions disposed at the ends of said bight portion in space...

이 특허에 인용된 특허 (51)

  1. Tominaga Shinya (Yokohama JPX) Ito Joji (Tokyo JPX). Anti-impact easily opened can lid. USP1997085653355.
  2. Hanafusa Hisao (20 Confucius Plaza - #34-F New York NY 10002). Beverage container with dual dispensing tabs. USP1989104872597.
  3. Hurst Robert L. ; Hidalgo Dennis K.. Can end having score groove with thickened residual area. USP1999105964366.
  4. Strobe Carl J. (2831 Orchard Knob Atlanta GA 30339) Wells Robert A. (4450 Harris Trail NW. Atlanta GA 30327). Can end with nondetachable tear tab and opening ring. USP1976083977561.
  5. Clarke ; III Milton W. (Chesterfield County VA). Can end with oval tear panel. USP199601D365988.
  6. Taylor Robert L. (Chesterfield VA). Can end with triangular tear panel. USP199512D364807.
  7. Komura Masahiro (Tokyo JPX). Can for beverage. USP1995045405039.
  8. Ruemer ; Jr. John (Baltimore MD). Container closure. USP1983064387827.
  9. Ruemer ; Jr. John (Baltimore MD). Container closure having easy-opening means. USP1983094402421.
  10. Moen Bruce A. (Golden CO) Cook ; Jr. Harold (Evergreen CO). Container end member. USP1991045011037.
  11. Moen Bruce A. (Golden CO) Cook ; Jr. Harold (Evergreen CO). Container end member. USP1994055307947.
  12. Perry ; deceased ; Walter Merton. Container with attached closure. USP1978044084721.
  13. Perry ; deceased Walter Merton (76 Locust Hill Road LATE OF Darien CT) Perry ; executrix by Elizabeth D. (76 Locust Hill Road Darien CT 06820). Container with attached closure. USP1977124062471.
  14. Langseder Neal (Rolling Meadows IL) Stein Friedrich (Wauconda IL). Detachment resistant retained lever tab. USP1982114361251.
  15. Otsuka Hideo,JPX ; Terasawa Hiroyuki,JPX ; Yamanashi Shigeaki,JPX ; Otsuka Ichio,JPX ; Morishita Sunao,JPX. Easily openable can lid. USP1998115829623.
  16. Potts Vinson S. (Cherry Hill NJ). Easy open can end. USP1980014184607.
  17. McEldowney Carl (Russia OH). Easy open can end and method of manufacture thereof. USP1990064930658.
  18. McEldowney Carl (Russia OH). Easy open can end method of manufacture. USP1991024994009.
  19. McEldowney Carl. Easy open container end, method of manufacture, and tooling. USP2000046050440.
  20. Voigt Lee R. W. (Schaumburg IL) Dobrzynski Jeffrey A. (Bensenville IL). Easy open ecology end for cans. USP1992075129541.
  21. Jacobsen Robert (Wheaton IL) Connor Joseph E. (Palatine IL). Easy opening container. USP1982034318493.
  22. Drolen ; Jr. Fred W. (Worth IL). Easy opening end unit with tapered score. USP1982034320850.
  23. Schubert James R.. Easy-open container end. USP1999015860553.
  24. Brown Omar L. (Dayton OH). Easy-open ecology end. USP1977044015744.
  25. Brown Omar L. (Dayton OH). Easy-open ecology end. USP1977054024981.
  26. Cudzik Daniel F. (Richmond VA). Easy-open wall. USP1976073967752.
  27. Hasegawa Gary K. (Chicago IL). Easy-opening container with non-detach tab. USP1981074276993.
  28. Brown Omar L. (Kettering OH) Kalter Jack L. (Kettering OH). End closure for a container. USP198409D275373.
  29. Cook Raymon W. (13615 Pebble Way San Antonio TX 78231). End closure for a container. USP199308D338156.
  30. Cudzik Daniel F. (Richmond VA). End closure for a container. USP197707D244915.
  31. Fraze Ermal C. (618 Greenmount Blvd. Dayton OH 45419). End closure for a container. USP198204D263802.
  32. Fraze Ermal C. (618 Greenmount Blvd. Dayton OH 45419). End closure for a container. USP198204D263803.
  33. Hasegawa Gary K. (Chicago IL). End closure for a container. USP198207D265463.
  34. Hasegawa Gary K. (Chicago IL) Richardson Donald R. (Palos Park IL). End closure for a container. USP198211D266991.
  35. Turner Timothy L. (Crystal Lake IL) Pileggi Frank R. (Bridgeview IL). End closure for a container. USP198506D279265.
  36. Radtke Charles S. (Little Ferry NJ). Fracture and tear-resistant retained tab. USP1980074210257.
  37. Langseder Neal E. (Hoffman Estates IL). Fracture resistant retained lever tab and method of manufacture. USP1980074211335.
  38. Hasegawa Gary K. (Chicago IL). Non-detach beverage end. USP1980064205760.
  39. Clarke ; III Milton W.. Non-detachable tab can end with large oval opening. USP1998015711448.
  40. Pierce Kip (3102 SE. 110th Ave. Portland OR 97266). Novelty beverage can. USP199206D327424.
  41. Debenham ; Michael ; Dalli ; Allan George ; Revell ; Peter Louis. Pressure release closures. USP1978084105134.
  42. Kaminski Elton G. (Sidney OH) McEldowney Carl F. (Russia OH). Pull tab for easy open can end-method of manufacture thereof. USP1985074530631.
  43. Kaminski Elton G. (Sidney OH) McEldowney Carl F. (Russia OH). Pull tab for easy open end. USP1984084465204.
  44. Chang Charles ; Chang Lucy. Sanitary beverage can lid. USP1998095813561.
  45. Koch Douglas F. (Springboro OH). Self-opening can lid with improved contour of score. USP1991115064087.
  46. Walz ; Sr. Karl (24 Purchase St. Worcester MA 01606). Self-storing permanently attached can opening means. USP1982124363419.
  47. Walz Karl (24 Purchase St. Worcester MA 01606). Self-storing permanently attached opening means. USP1981014247014.
  48. Mazurek Stanley L. (Chicago IL). Tab construction for easy opening container. USP1979044150765.
  49. Brown Omar L. (Dayton OH). Tab for easy-open ecology end. USP198410RE31702.
  50. Brown Omar L. (Dayton OH). Tab for easy-open ecology end. USP1979044148410.
  51. Saunders William T. (Weirton WV). Tab opener end closure assembly method. USP1983014367996.