METHOD AND TOOL FOR CREATING A THROUGH-THREAD
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United States of America Patent
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Issued Date -
Oct 20, 2022
app pub date -
Sep 11, 2020
filing date -
Sep 13, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
In a method for creating a through-thread, thread creation means is moved in a screw-in movement in an axial forward direction (VR) through a workpiece from a first workpiece side to a second workpiece side opposite the first workpiece side such that the end face projects out of the workpiece, wherein the thread creation means is moved through the workpiece, in particular along a first line which is a helical line, wherein then, to create at least one countersink, the thread creation means is moved in a countersinking movement, in particular along a second line that differs from the first line, and wherein, for subsequent withdrawal, the thread creation means is moved back through the workpiece in a screw-out movement in the axial backward direction (RR), in particular at least substantially along the first line.
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