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:
Sep. 19, 2006
Filed:
Jul. 03, 2003
Applicants:
Kenro Yoshino, Nobeoka, JP;
Shunichiro Hagihara, Nobeoka, JP;
Inventors:
Kenro Yoshino, Nobeoka, JP;
Shunichiro Hagihara, Nobeoka, JP;
Assignee:
Asahi Organic Chemicals Industry Co., Ltd., Nobeoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/145 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flow control valve includes a main body, bonnet, spring receiving portion, piston, spring, first diaphragm, first valve member, second valve memberand base plate, wherein an opening area of a hydraulic control portion composed of a valve element of the second valve member and a valve seat of the main body is changed according to a motion of the piston.