Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eberhard Christ0
Date of Patent
January 28, 2014
0Patent Application Number
119217730
Date Filed
May 31, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A process for producing hollow bolts including a longitudinal bore with the hollow bolts being provided with circumferential notches. The hollow bolts are provided with longitudinal grooves extending between elevations determining the bolt diameter, wherein circumferential notches are rolled onto the hollow bolts provided with the longitudinal grooves and the elevations, the longitudinal grooves being of such cross-section that some of the material displaced during rolling-on of the notches flows into the longitudinal grooves.
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