Method for manufacturing a vibrator
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United States of America Patent
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-
Sep 30, 1997
Issued Date -
N/A
app pub date -
May 6, 1996
filing date -
Jan 20, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wire 10 made of metal is shaped into a wire having a diameter of 5 mm by a circular die 12 and then, cut to a plurality of lengths of 500 mm. The wire 10 is heated in hydrogen atmosphere at 800.degree. C. for two hours. Then, the wire 10 is drawn by a plurality of triangular dies 14, 16, 18, and 20 sequentially without winding the wire 10 around a reel. As a result, the wire 10 is shaped into an approximately regular triangular configuration in section. The wire 10 shaped into the approximately regular triangular configuration is cut to a plurality of lengths of 40 mm and then supplied to a predetermined place for a subsequent processing.
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