RESIN MOLDING MOLD
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United States of America Patent
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Issued Date -
Sep 16, 2021
app pub date -
Mar 2, 2021
filing date -
Mar 10, 2020
priority date (Note) -
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Abstract
A resin molding mold, by which a resin worm wheel for a worm speed reducer is molded, includes a plurality of tooth forming portions provided such that the tooth forming portions are disposed at predetermined intervals on a circumference of the resin molding mold. The tooth forming portions each include a projection portion provided in a part of a tooth-flank forming surface by which a tooth flank is formed.
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