发明授权
- 专利标题: Ball valve
- 专利标题(中): 球阀
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申请号: US13580788申请日: 2010-12-09
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公开(公告)号: US09022353B2公开(公告)日: 2015-05-05
- 发明人: Masashi Matsuoka , Yosinori Shimomura , Kunihiko Daido , Hirokatsu Maeda
- 申请人: Masashi Matsuoka , Yosinori Shimomura , Kunihiko Daido , Hirokatsu Maeda
- 申请人地址: JP Osaka-shi
- 专利权人: Fujikin Incorporated
- 当前专利权人: Fujikin Incorporated
- 当前专利权人地址: JP Osaka-shi
- 代理机构: Locke Lord LLP
- 优先权: JP2010-041196 20100226
- 国际申请: PCT/JP2010/072103 WO 20101209
- 国际公布: WO2011/104976 WO 20110901
- 主分类号: F16K5/06
- IPC分类号: F16K5/06 ; F16K27/06
摘要:
A ball valve which can suppress the increasing of processing labor time and reliably prevent simultaneous rotation of a ball seat and a ball when the ball is rotated by handle manipulation is provided. The valve body 2 is formed of a hard material such as stainless steel, the ball seat is formed of a relatively soft material such as a fluorine resin, and a protrusion 18 is formed on a ball seat support surface 13 of the valve body 2 made of a hard material so as to bite into the ball seat 4.
公开/授权文献
- US20130037738A1 BALL VALVE 公开/授权日:2013-02-14