Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 18, 2008
Patent Application Number
10552619
Date Filed
December 26, 2003
Patent Primary Examiner
Patent abstract
A pipe connecting structure which can prevent electrical charge of a plastic coated metal pipe using a simple structure. The structure includes beads 5a, 5b, 5c protruding from the outer surface of the end of a plastic coated metal tube 3, which is obtained by coating the outside of a bare metal pipe 1 with a nonconductive plastic film 2. The plastic film 2 is removed from the tip of the bead 5a to expose the circumferential surface of the bare metal pipe 1, the exposed portion is made to contact the inner surface of a conductive tube 4, and the plastic coated metal tube 3 and the conductive tube 4 are connected together.
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