US Patent 7503985 Quenching method
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Patent Inventor Names
Katsumi Ichitani0
Makoto Takeishi0
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Patent abstract
Provided is a quenching method capable of producing quenched articles having little distortion and having a desired hardness. The quenching method with a coolant is specifically so controlled that the surface of the quenching bath is kept under pressure all the time throughout the step of cooling the articles being processed therein.
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US Patent 07503985 Quenching method US Patent 7503985 Quenching method
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Patent Number
07503985
Patent Number
7503985
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Official Website
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US Patent 07503985 Quenching method
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Is a
Patent jurisdiction
Patent number
07503985
Date of patent
March 17, 2009
Patent application number
10310050
Date Filed
December 5, 2002
Patent primary examiner
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