Threaded fastener
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United States of America Patent
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-
Jan 20, 1987
Issued Date -
N/A
app pub date -
Dec 28, 1984
filing date -
Dec 26, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thread fastener for fastening resilient material workpieces with small torque to obtain a strong fastening force, wherein the fastener is provided with equivalent height continuous thread convolutions on a shank and a plurality of spaced thread-type projections are petaliferously formed and on the equivalent height thread convolutions which are arranged at an appropriate lead angle.
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Cited Art Landscape
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