Gear and method of manufacturing gear
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 13, 2004
Grant Date -
Jan 30, 2003
app pub date -
Feb 29, 2000
filing date -
Dec 22, 1999
priority date (Note) -
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Abstract
To provide a gear having high strength and high dimension precision. A cut material is heated in an anti-oxidation atmosphere. Then, a form including gear teeth and having a nearly completed shape is formed from the upset material at one time by hot forging. The form undergoes gear grinding, whereby a finished product is obtained. The form has a curved surface previously formed at a corner along a tooth trace of a tooth flank.
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