发明申请
- 专利标题: Metallic container closure having internal pressure release function
- 专利标题(中): 具有内部压力释放功能的金属容器盖
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申请号: US11500408申请日: 2006-08-08
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公开(公告)号: US20070034593A1公开(公告)日: 2007-02-15
- 发明人: Katsuhito Ichimura , Kouichi Tsuchiya , Shinya Matsumoto , Hisashi Nakajima , Mitsuo Kumata , Kiyohisa Kaito
- 申请人: Katsuhito Ichimura , Kouichi Tsuchiya , Shinya Matsumoto , Hisashi Nakajima , Mitsuo Kumata , Kiyohisa Kaito
- 专利权人: JAPAN CROWN CORK CO., LTD.
- 当前专利权人: JAPAN CROWN CORK CO., LTD.
- 优先权: JP2005-231262 20050809; JP2005-244160 20050825; JP2005-291418 20051004; JP2006-61404 20060307
- 主分类号: B65D51/16
- IPC分类号: B65D51/16 ; B65D53/00
摘要:
A metallic container closure comprising a shell of a thin metal sheet having a circular top panel wall 7 and a skirt wall 9, and a synthetic resin liner arranged in the shell, the skirt wall 9 having a thread-forming region and an annular groove 17 positioned at an upper end portion of the thread-forming region, wherein an internal pressure release line A extending in the circumferential direction is arranged in the skirt wall 9 at a portion over the annular groove 17, and annular bead 30 is arranged so as to pass through between the internal pressure release line A and the annular groove 17. The metallic container closure effectively releases the gas when the pressure in the container is elevated and effectively prevents the skirt wall from being deformed at a portion where the internal pressure release line A is formed when it is being wrap-seamed with the mouth-and-neck portion of the container.