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:
Jul. 25, 2017
Filed:
Dec. 17, 2013
Hosokawa Yoko Co., Ltd., Tokyo, JP;
HOSOKAWA YOKO CO., LTD., Tokyo, JP;
Abstract
A check valveincludes a housing memberinside which a fluid passage is formed, and a valve memberdisposed inside the member. A valve seat partis provided on an inner circumference surface of the member, the valve memberincludes a valve diskseated in a sealable manner on a seat surfaceof the valve seat part, a pressing membersupported with the memberand pressing the valve diskon the seat surface, and a valve driving memberconnected to the valve diskand driving the valve diskagainst pressing force of the pressing member, and an operating memberconfigured to be capable of operating the valve driving membersuch that the valve diskof the valve membermoves apart from the seat surfaceis provided.