Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael R. Novitsky0
Earl Haas0
Date of Patent
May 26, 2015
0Patent Application Number
135972980
Date Filed
August 29, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of forming a groove in a pipe element by spin forming wherein the pipe element is pinched between an arbor revolving in an eccentric orbit of expanding diameter within the pipe element and an outer die which captures the pipe element. The pinching action causes a portion of the pipe element to move radially inwardly away from the die contrary to the direction of the motion of the arbor.
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