Title:
AIR OPERATED VALVE
Document Type and Number:
WIPO Patent Application WO/2012/014557
Kind Code:
A1
Abstract:
A casing (4) is formed from an upper casing (22) and a lower casing (21) which are screwed together. A piston driving means (12) has a one-touch joint (15) attached to the tip of the upper casing (22). An air operated valve can switch between having a one-touch joint or not having a one-tough joint by being able to switch the upper casing between an upper casing attached with a one-touch joint and an upper casing that is not integrated with a one-touch joint.
Inventors:
TOKUDA ICHIRO (JP)
SHINOHARA TSUTOMU (JP)
SHINOHARA TSUTOMU (JP)
Application Number:
PCT/JP2011/061648
Publication Date:
February 02, 2012
Filing Date:
May 20, 2011
Export Citation:
Assignee:
FUJIKIN KK (JP)
TOKUDA ICHIRO (JP)
SHINOHARA TSUTOMU (JP)
TOKUDA ICHIRO (JP)
SHINOHARA TSUTOMU (JP)
International Classes:
F16K31/122; F16K7/17
Foreign References:
| JP2008002511A | 2008-01-10 | |||
| JP2009002524A | 2009-01-08 |
Attorney, Agent or Firm:
HIBI, Norihiko et al. (JP)
Norihiko Hibi (JP)
Norihiko Hibi (JP)
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Claims:
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