Title:
VALVE ROD, COIL SPRING, FIRE EXTINGUISHER VALVE, AND FIRE EXTINGUISHER
Document Type and Number:
Japanese Patent JP2010110359
Kind Code:
A
Abstract:
To simplify the structure of a fire extinguisher valve, and to reduce the cost of manufacturing.
The valve rod 72 includes: an integrally formed body 72a having a columnar shape whose upper end is tapered and contracted; a pressing part 72b continued from the upper end of the body 72a to press a coil spring disposed along the outer surface of the body 72a; and a valve element base 72c continued from the lower end of the body 72a. The inner diameter of the upper end of the coil spring is smaller than the maximum outer diameter X3 of the pressing part 72b.
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Inventors:
TSUCHIDA HIDEO
Application Number:
JP2008283019A
Publication Date:
May 20, 2010
Filing Date:
November 04, 2008
Export Citation:
Assignee:
HATSUTA SEISAKUSHO
International Classes:
A62C13/76; A62C13/64
Attorney, Agent or Firm:
Hiroaki Kono