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公开(公告)号：US11906048B2
公开(公告)日：2024-02-20
申请号：US17720666
申请日：2022-04-14
发明人： Tomohiro Takenaga , Keisuke Uchida , Tatsuya Okamoto , Satoru Ando , Toshio Narita , Hiroshi Imaizumi , Naoki Yamaguchi
CPC分类号： F16J15/04 , F16J15/021
摘要： A sufficient sealing property of a through hole is ensured. A sealing structure includes a cylindrically-shaped body part inserted into the through hole, formed of a thin plate of a first thickness, one end of the body part being open and another end of the body part being closed, a tapered part connected to the opened one end of the body part and including a diameter gradually expanding outward as a distance from the body part increases, and a first bent part connected to the tapered part, formed of a thin plate thinner than the first thickness, and bent inward so that a protruding part protruding outward elastically abuts against an inner peripheral surface of the through hole.
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公开(公告)号：US20220364644A1
公开(公告)日：2022-11-17
申请号：US17720666
申请日：2022-04-14
发明人： Tomohiro TAKENAGA , Keisuke Uchida , Tatsuya Okamoto , Satoru Ando , Toshio Narita , Hiroshi Imaizumi , Naoki Yamaguchi
摘要： A sufficient sealing property of a through hole is ensured. A sealing structure includes a cylindrically-shaped body part inserted into the through hole, formed of a thin plate of a first thickness, one end of the body part being open and another end of the body part being closed, a tapered part connected to the opened one end of the body part and including a diameter gradually expanding outward as a distance from the body part increases, and a first bent part connected to the tapered part, formed of a thin plate thinner than the first thickness, and bent inward so that a protruding part protruding outward elastically abuts against an inner peripheral surface of the through hole.
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公开(公告)号：US11518672B2
公开(公告)日：2022-12-06
申请号：US17137567
申请日：2020-12-30
发明人： Masahiro Tasaka , Kunimi Abiru , Shoji Suzuki , Takatoshi Urashi , Katsura Hara , Tomohiro Tokunaga , Naoki Yamaguchi
IPC分类号： B67D7/64
摘要： A fluid pressure feeding device includes: a follower plate that is inserted into a tank, that applies a pressing force to a fluid, and that has an opening for pumping up the fluid from an inside of the tank; a pump having a primer plate configured to exhibit reciprocating movement to pump up the fluid in the tank into a pump internal space; and a position control unit configured to control a position of the primer plate within a range of the reciprocating movement. An outer shape of the primer plate substantially matches a shape of the opening of the follower plate, and the position control unit is configured such that the primer plate is positioned in the opening of the follower plate when the follower plate is taken out from the tank.
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