Axial thread rolling head and method for forming an external thread on a workpiece with an axial thread rolling head
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United States of America Patent
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Oct 18, 2016
Grant Date -
Oct 23, 2014
app pub date -
Apr 18, 2014
filing date -
Apr 19, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to an axial thread rolling head, comprising a head part, in which at least three thread rolls are rotatably mounted, wherein the thread rolls among themselves border an insertion section for a workpiece and wherein the thread rolls each have a profile for forming an outer thread on the workpiece, wherein the thread rolls are held non-adjustably in the radial direction in the head part, wherein the profile of the thread rolls is respectively designed asymmetrically such that the thread rolls with their asymmetrical profile form a symmetrical external thread on the workpiece. The invention also relates to a corresponding method.
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