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Patent Searching and Data


Title:
BALL VALVE
Document Type and Number:
WIPO Patent Application WO/2011/104976
Kind Code:
A1
Abstract:
Provided is a ball valve which makes it possible to suppress increased processing work and to reliably prevent corotation of a ball seat and a ball when the ball is rotated by operation of a handle. A main body (2) is formed by a hard material such as stainless steel, and a ball seat (4) is formed by a relatively soft material such as a fluororesin. A protrusion (18) able to bite into the ball seat (4) is formed on a ball seat receiving surface (13) of the main body (2) which is made of a hard material.

Inventors:
MATSUOKA MASASHI (JP)
SHIMOMURA YOSINORI (JP)
DAIDO KUNIHIKO (JP)
MAEDA HIROKATSU (JP)
Application Number:
PCT/JP2010/072103
Publication Date:
September 01, 2011
Filing Date:
December 09, 2010
Export Citation:
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Assignee:
FUJIKIN KK (JP)
MATSUOKA MASASHI (JP)
SHIMOMURA YOSINORI (JP)
DAIDO KUNIHIKO (JP)
MAEDA HIROKATSU (JP)
International Classes:
F16K5/06; F16K27/00; F16K27/06
Foreign References:
JP2008185113A2008-08-14
JPS55107012A1980-08-16
JPS6320139A1988-01-27
JP2000046209A2000-02-18
JPS4318267B1
JPS6146021U1986-03-27
JPH01152148U1989-10-20
Attorney, Agent or Firm:
HIBI, Norihiko et al. (JP)
Norihiko Hibi (JP)
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Claims: