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.

Date of Patent:
Jun. 03, 2003

Filed:

Feb. 01, 2001
Applicant:
Inventor:

Toshiaki Iwabuchi, Yabuzuka Honmachi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/1528 ;
U.S. Cl.
CPC ...
F16K 3/1528 ;
Abstract

A valve has a valve body having a passage including a hole in which gas flows. A valve disc is provided for closing the hole, and an actuator is provided for operating the valve disc. An emergency cutoff device is provided so that the valve disc closes the hole in an emergency when electric power supply is cut off.


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