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:
Oct. 02, 2001
Filed:
Mar. 03, 2000
Applicant:
Inventors:
Masayuki Hosono, Toride, JP;
Qinghai Yang, Ichikawa, JP;
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/718 ;
U.S. Cl.
CPC ...
F16K 1/718 ;
Abstract
Disclosed is a pressure/flow rate control valve comprising a valve-opening/closing section having a valve plug which is installed with an elastic member having a substantially tapered cross section at one end, a stem which is displaceable integrally with the valve plug and which is installed with a packing disposed between a pair of disk sections separated from each other by a predetermined spacing distance, and a spring member which is fastened to one end of the stem, for seating the valve plug on an annular projection in accordance with the action of resilient force.