Pressure molding means for powder

Details Pressure molding means for powder Pressure molding means for powder

1990-06-07

1991-08-06

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

Female mold and opposed coaxial dynamic press members

264109, 264DIG36, 419 38, 425 78, 425415, 425422, 425423, B30B 1104, B29C 4334

Patent

active

050372874

ABSTRACT:
A pressure molding device having a powder supporting flat face formed by the end face of a pressure ram or a pressure-submissive block and a reciprocating vertical sleeve. The layer of powder formed on the flat face and having a uniform density is cut with the vertical sleeve's end for molding. A molded body has a uniform density in all portions and deformation does not occur in the course of sintering for producing semiconducting or insulating base boards.

REFERENCES:
patent: 1793603 (1931-02-01), Frederick
patent: 1856319 (1932-05-01), Cooper
patent: 2233295 (1941-02-01), Miller
patent: 3020589 (1962-02-01), Maritano
patent: 3183570 (1965-05-01), Vogt
patent: 3564654 (1971-02-01), Steingroever
patent: 4201530 (1980-05-01), Vogt
patent: 4563144 (1986-01-01), Rose

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