Dry die wall lubrication
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United States of America Patent
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-
Feb 20, 2001
Grant Date -
N/A
app pub date -
Dec 21, 1999
filing date -
Apr 9, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for high density long fill compaction of metallic powders uses a precisely temperature controlled mold and a dry sprayed lubricant which has the characteristic of softening on contact with the mold and smearing on the mold wall during compaction, yet on ejection not causing powder adherence.
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