The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2017
Filed:
Sep. 05, 2013
Applicant:
Horiba Stec, Co., Ltd., Kyoto-shi, Kyoto, JP;
Inventors:
Assignee:
HORIBA STEC, Co., Ltd., Kyoto-shi, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 25/00 (2006.01); F16K 1/36 (2006.01); F16K 1/44 (2006.01);
U.S. Cl.
CPC ...
F16K 25/005 (2013.01); F16K 1/36 (2013.01); F16K 1/44 (2013.01);
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.