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US 2018/0010699 A1Published application
Sealing valve
AssigneeAisan Kogyo Kabushiki Kaisha
InventorsKasumi MISHIMA, Makoto FUKUI, Naruto ITO, Masahiro KOBAYASHI
Life of this patent
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Abstract
A sealing valve is provided with a valve seat including a valve hole, a valve element to open and close the valve hole, and a seal member to seal between the valve element and the valve seat during full closing. The seal member includes a fixed part fixed to the valve seat, a contact part to be brought into contact with a seal surface of the valve element, and a constricted part provided between the fixed part and the contact part. The contact part is rotatable about the constricted part.
Claims5
A sealing valve comprising:
- a valve seat including a valve hole;
- a valve element configured to open and close the valve hole;
- and
- a seal member configured to seal between the valve element and the valve seat during full closing,
- wherein the seal member includes a fixed part fixed to the valve seat, a contact part to be brought into contact with the valve element, and a constricted part provided between the fixed part and the contact part, and
- the contact part is rotatable about the constricted part.
3 more elements
Dependencies are inferred from the claim text.