Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 18, 2007
Patent Application Number
10344387
Date Filed
August 10, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to a method of manufacturing a connecting device having common axial core material and a plurality of helical fins, flanges or ridges that extend outwards from the core. The method uses an elongate preform member, and comprises forcing the preform member in the axial direction of its core through a helical deformation arrangement (22) in order to deform the preform member helically.
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