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)
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:
Assignee:
FUJIKIN KK (JP)
MATSUOKA MASASHI (JP)
SHIMOMURA YOSINORI (JP)
DAIDO KUNIHIKO (JP)
MAEDA HIROKATSU (JP)
MATSUOKA MASASHI (JP)
SHIMOMURA YOSINORI (JP)
DAIDO KUNIHIKO (JP)
MAEDA HIROKATSU (JP)
International Classes:
F16K5/06; F16K27/00; F16K27/06
Foreign References:
JP2008185113A | 2008-08-14 | |||
JPS55107012A | 1980-08-16 | |||
JPS6320139A | 1988-01-27 | |||
JP2000046209A | 2000-02-18 | |||
JPS4318267B1 | ||||
JPS6146021U | 1986-03-27 | |||
JPH01152148U | 1989-10-20 |
Attorney, Agent or Firm:
HIBI, Norihiko et al. (JP)
Norihiko Hibi (JP)
Norihiko Hibi (JP)
Download PDF:
Claims:
Previous Patent: REACTOR AND METHOD FOR MANUFACTURING REACTOR
Next Patent: DAMPER, WASHING MACHINE, AND WASHER/DRYER
Next Patent: DAMPER, WASHING MACHINE, AND WASHER/DRYER