Invention Grant
- Patent Title: Valve element and fluid control valve
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Application No.: US14019438Application Date: 2013-09-05
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Publication No.: US09657860B2Publication Date: 2017-05-23
- Inventor: Shigeyuki Hayashi , Tadahiro Yasuda , Kazuya Ohsa
- Applicant: HORIBA STEC, CO., Ltd.
- Applicant Address: JP Kyoto-shi, Kyoto
- Assignee: HORIBA STEC, Co., Ltd.
- Current Assignee: HORIBA STEC, Co., Ltd.
- Current Assignee Address: JP Kyoto-shi, Kyoto
- Agency: Alleman Hall Creasman & Tuttle LLP
- Priority: JP2012-196980 20120907
- Main IPC: F16K25/00
- IPC: F16K25/00 ; F16K1/36 ; F16K1/44

Abstract:
The present invention is directed a valve element which is intended to improve a sealing property at a time of closing a fluid control valve and to improve stability while maintaining durability for a long time period, wherein the valve element constitutes one of a valve seat surface or a seating surface and the valve element includes a concave portion formed in an opposing surface facing the valve seat surface and a resin coating film which is formed in the concave portion and contacts the valve seat surface.
Public/Granted literature
- US20140070128A1 Valve Element and Fluid Control Valve Public/Granted day:2014-03-13
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