Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip Edward Tonkin0
Date of Patent
December 12, 2006
0Patent Application Number
103328520
Date Filed
July 26, 2001
0Patent Primary Examiner
Patent abstract
A circular seal (19) for the end face of a substantially cylindrical canister, the seal (19) having a substantially rectangular cross-section, and a recess (21) in one side thereof to reduce the area of said cross-section. In use the recessed area (21) of the seal (19) constitutes a weakened portion which will blow out elastically to relieve excess pressure.
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