Method of manufacturing a pulp molding die
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United States of America Patent
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May 5, 1998
Issued Date -
N/A
app pub date -
Apr 8, 1996
filing date -
Jul 14, 1993
priority date (Note) -
Expired
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Abstract
A method of manufacturing a pulp molding die, by providing a superplastic material plate having a plurality of preformed through-holes, closing the plurality of preformed through-holes, heating the superplastic material plate under a pressurized atmosphere, forming the plate into a desired shape, and uncovering the plurality of preformed through-holes of the plate, thereby forming the pulp molding die.
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