Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yutaka Suzuki0
Makoto Ninomiya0
Seiji Ishii0
Yuko Funakubo0
Kaoru Nomichi0
Date of Patent
July 21, 2009
0Patent Application Number
116297380
Date Filed
April 26, 2005
0Patent Primary Examiner
Patent abstract
A plunger (45) and a piston (46) are displaceably held in a housing (104) for opening and closing a valve path (107) defined in the housing (104), and a single common seat block (44) provided for the plunger (45) and the piston (46) is fixed to the housing (104) and has seat portions (47) each formed from a soft material for respective of the plunger (45) and the piston (46) to be pressed thereon. This arrangement provides a valve device which is simplified in structure and can be manufactured with reduced man-hour.
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