Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 5, 2019
Patent Application Number
15520798
Date Filed
July 1, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A cone valve of the present invention enables to extend a lifespan more than a conventional cone valve even if it is used as a check valve when feeding slurry containing highly abrasive coarse particles. A cone valve (1) used as a check valve when feeding slurry, comprising at least a valve body (11), a valve seat (13), and a spring (14) incorporated to make the valve body (11) contact the valve seat (14), wherein an entire length of the spring (14) is at least shorter than a stroke length of the valve body (11).
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