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. 20, 2014
Filed:
May. 20, 2010
Ryoji Kanai, Tokyo, JP;
Ryoji Kanai, Tokyo, JP;
Koganei Corporation, Tokyo, JP;
Abstract
A diaphragm valve is used to perform opening/closing operations to switch between a state where two flow pathsandcommunicate with each other and a state where the flow pathsandare blocked from communicating with each other. A diaphragm unitwhich is disposed in a valve housinghas a hollow valve bodycapable of being reciprocated in the axial direction, the diaphragm unitis formed with a communication flow paththrough which two flow pathsandare communicated with each other. A first diaphragmis provided to one end portion of a hollow valve body, and a second diaphragmis provided to the other end of the hollow valve body, when the hollow valve bodyis moved in its axial direction and abuts on a valve seat portion, the communication flow pathis closed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile