Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 13, 2010
Patent Application Number
11603247
Date Filed
November 22, 2006
Patent Primary Examiner
Patent abstract
In a seawater pipe, a shut-off valve has a supporting body fixed to the pipe; a shutter movable between a forward closed position and a withdrawn open position; and a control member operated from outside the pipe to move the shutter via a transmission; the transmission is isolated in fluidtight manner from the seawater flowing in the pipe by a membrane; and the membrane has two edges, one fixed to the shutter, and the other forced radially between the supporting body and the pipe.
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