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1. 发明授权

US07475790B2 Gasket and tank cap 失效
标题翻译：垫圈和罐盖
公开(公告)号：US07475790B2
公开(公告)日：2009-01-13
申请号：US10852694
申请日：2004-05-25
申请人： Hiroyuki Hagano , Masayuki Nakagawa , Shinobu Kawabata
发明人： Hiroyuki Hagano , Masayuki Nakagawa , Shinobu Kawabata
IPC分类号： B65D53/00 , B65D41/04
CPC分类号： B60K15/0406 , B60K2015/0451 , F16J15/025 , Y10S220/33
摘要： A gasket of the invention is attached to a fuel cap and is located between a pipe sealing face of an inlet opening and a seal support element of the fuel cap to seal the fuel cap from the inlet opening. The gasket has a gasket main body and multiple sealing projections protruded from the gasket main body. The multiple sealing projections include a first pipe sealing projection and a second pipe sealing projection, which come into contact with the pipe sealing face, and a first body sealing projection and a second body sealing projection, which come into contact with the seal support element. The first pipe sealing projection is formed on a lower end of the gasket main body in its axial direction and is protruded to be pressed against the pipe sealing face in an initial stage of a closing operation. The second pipe sealing projection is protruded to have a greater sealing face pressure than the first pipe sealing projection and to be pressed against the pipe sealing face after the initial stage of the closing operation. The gasket of the invention ensures a sufficiently high sealing face pressure even with a small compressive force.
摘要翻译：本发明的垫圈连接到燃料盖上，并且位于燃料盖的入口开口的管密封面和密封支撑元件之间，以将燃料帽与入口密封。垫圈具有垫片主体和从垫片主体突出的多个密封突起。多个密封突起包括与管密封面接触的第一管密封突起和第二管密封突起，以及与密封支撑元件接触的第一主体密封突起和第二主体密封突起。第一管密封突起沿着轴向形成在垫片主体的下端，并且在关闭操作的初始阶段突出并压靠在管密封面上。第二管密封突起突出以具有比第一管密封突起更大的密封面压力，并且在关闭操作的初始阶段之后被压靠在管密封面上。本发明的垫圈即使在较小的压缩力下也能确保足够高的密封面压力。

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