METHOD OF PROCESSING FEMALE SCREW AND APPARATUS THEREFOR
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United States of America Patent
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N/A
Issued Date -
Jun 18, 2015
app pub date -
Jul 30, 2013
filing date -
Aug 1, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
When processing a female screw in a hole of a metallic material having the hole for female screw processing, a method includes forming a screw groove by sequentially pressing a processing portion of a male screw-shaped tool against an inner periphery of the hole only by a motion of a revolution of the male screw-shaped tool on a certain horizontal plane without rotation by itself in the state of gripping or fixing the metallic material to transfer a shape of the processing portion.
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Family
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