Self-locking fastener and a stamp for making said fastener
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United States of America Patent
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-
Nov 23, 1982
Issued Date -
N/A
app pub date -
Jan 13, 1981
filing date -
Jan 13, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A male die for making a self-locking threaded fastener where the die has a planar working surface with a plurality of elongated teeth on the surface. The teeth are arranged in a plurality of groups with the teeth of each group extending parallel to each other and to a tangent to a bore in the die. The crests of the teeth extend above the working surface and the roots of the teeth are below the working surface.
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