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:
Nov. 13, 2018
Filed:
Jun. 17, 2015
Applicant:
Fujikin Incorporated, Osaka-shi, JP;
Inventors:
Kazunari Watanabe, Osaka, JP;
Izuru Shikata, Osaka, JP;
Assignee:
FUJIKIN INCORPORATED, Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 7/16 (2006.01); F16K 7/17 (2006.01);
U.S. Cl.
CPC ...
F16K 7/16 (2013.01); F16K 7/17 (2013.01);
Abstract
The radius of curvature (SR2) of a surface of a diaphragm presser, which surface is in contact with a diaphragm, is at least 30 mm. The taper angle (θ) for a lower surface of a press adapter is no more than 10° relative to a flat portion of a bottom surface of a depression of a body.