Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 5, 2015
Patent Application Number
12450519
Date Filed
March 31, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A disc for use in a pneumatic valve includes a stiffening insert encased in a flexible body. The stiffening insert acts to protect a central actuation region of the disc against radial compression, which may arise if the disc is used to seal against a bore hole, and against material flow towards the actuation region away from a clamped periphery. The behavior of the disc in a valve assembly is therefore more predictable and reproducible. The flexible body may further be tensioned across the stiffening insert.
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