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:
Aug. 16, 2005
Filed:
Jan. 24, 2003
Applicant:
Hiroji Sato, Tokyo, JP;
Inventor:
Hiroji Sato, Tokyo, JP;
Assignee:
Nifco Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K017/196 ;
U.S. Cl.
CPC ...
Abstract
A two-way valve includes a valve case with the first valve seat formed at one of two openings, the first valve member movable in the valve case for abutting against the first valve seat, and the first urging device for urging the first valve member toward the first valve seat. The first valve member includes a communication path therein and the second valve seat formed at one end portion thereof. The second valve member for abutting against the second valve seat is disposed in the communication path to block the communication path, and the second urging device is provided for urging the second valve member toward the second valve seat.