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:
Jun. 07, 2022
Filed:
May. 10, 2019
Applicant:
Smc Corporation, Chiyoda-ku, JP;
Inventor:
Takayuki Murai, Moriya, JP;
Assignee:
SMC CORPORATION, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/32 (2006.01); F16K 3/314 (2006.01); F16K 27/04 (2006.01);
U.S. Cl.
CPC ...
F16K 3/32 (2013.01); F16K 3/314 (2013.01); F16K 27/04 (2013.01);
Abstract
A gate valve includes a valve box; a linear channel formed inside the valve box; a valve disc displaceable in an axis direction perpendicular to the channel and that can obstruct the channel by the external surface thereof abutting the inner wall of the channel; a valve rod that extends from the base end of the valve disc; and a valve chamber that accommodates the valve disc. The external surface of the portion of the valve disc protruding into the channel while in an open position is configured to be a streamline curved face.