Plastic article or earthenware shaping or treating: apparatus – Means for molding powdered metal
Patent
1981-11-03
1983-04-19
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Means for molding powdered metal
425352, 425425, 249134, B29C 100, B30B 1102, B22F 300
Patent
active
043804217
ABSTRACT:
A die for compacting powder by dynamic compaction. The die is intended for compaction pressures substantially above 1 GPa. The die is made of a mixture of a plastic material and a metal powder. The die has the same density before compaction as the powder to be compacted. Furthermore, the die undergoes the same increase in density during compaction as the powder being compacted. The die is cheap relative to a steel die and can, thus, be made for single use. The range of geometries possible to compact is greatly extended.
REFERENCES:
patent: 3005491 (1961-10-01), Wells
patent: 3461506 (1969-08-01), Rice et al.
patent: 3461507 (1969-08-01), Rice
patent: 3632242 (1972-01-01), Rasquin et al.
Flint, Jr. J. Howard
Institut Cerac S.A.
Munson Eric Y.
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