Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshitaka Shibamoto0
Kazuhiro Furusho0
Kazutaka Hori0
Masanori Masuda0
Takashi Shimizu0
Takazo Sotojima0
Date of Patent
September 28, 2010
Patent Application Number
11911752
Date Filed
April 4, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A valve guard for restricting the amount of deformation of a valve disc has a main body part abuttable with the back surface of the valve disc, and a fixation part extending to outside of a receding part. Upon mounting the valve guard to an end plate part, the fixation part is firmly attached to the outside of the receding part of the end plate part.
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