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:
Apr. 26, 2016
Filed:
Jul. 31, 2013
Surpass Industry Co., Ltd., Gyoda-shi, Saitama, JP;
Takashi Imai, Gyoda, JP;
Hiroki Igarashi, Gyoda, JP;
Surpass Industry Co., Ltd., Gyoda-shi, JP;
Abstract
To provide a pneumatic control valve including: a valve body; a valve opening/closing mechanism section; a pneumatic control sectionfor the valve opening/closing mechanismthat is coupled to the valve elementvia a piston stem; a diaphragmthat defines a partition between a fluid and the pneumatic control section; a cylindrical lower stopperthat is fixed to the valve bodyas anti-falling off for the valve elementand the diaphragminserted into a valve chamber, and supports movement of the piston stem; and a cylindrical upper stopperthat is fixed to the valve bodyas anti-falling off for the piston steminserted into a piston chamber, and supports movement of the piston stem