Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert F. Miller1
Daniel D. Freitas1
Date of Patent
September 19, 2006
1Patent Application Number
108066571
Date Filed
March 22, 2004
1Patent Primary Examiner
Patent abstract
A plastic coupling for joining two metal pipe sections end-to-end to form a pipe assembly. A first plastic spigot cuff is formed along the periphery of the end of the first pipe and a mating second plastic bell cuff is formed along the periphery of the end of the second pipe, such that the first and second cuffs form a bell and spigot joint with the first, spigot cuff inserted into and joined to the second, bell cuff.
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