Method of producing hard metal grade powder
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United States of America Patent
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May 11, 2004
Issued Date -
N/A
app pub date -
Nov 22, 2002
filing date -
Mar 29, 2001
priority date (Note) -
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Abstract
A hard metal grade powder is produced from hard material, metal binder, and non-water-soluble pressing aid components, by forming a slurry containing the components and pure water as a liquid phase and then drying the slurry. Here, the hard material and metal binder components are first milled in water, to form a slurry. Then the pressing aid components are added to the slurry in the form of an emulsion produced with the aid of an emulsifier with the addition of water.
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