Plastic article or earthenware shaping or treating: apparatus – Press forming apparatus having opposed press members – Male shaping member and female mold
Patent
1982-09-23
1983-12-20
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Press forming apparatus having opposed press members
Male shaping member and female mold
425135, 425431, 425432, 425456, B28C 2150, B29C 300
Patent
active
044214715
ABSTRACT:
Apparatus for the manufacture of bricks with the aid of a mold normally open on top, ceramic material which may be introduced into the mold, and a piston disposed above the mold which may be moved with respect to the mold, and forms a cover surface of the mold when entering the top of the mold, includes the steps of exerting a non-oscillatory pressure by the piston on the ceramic material, and additionally exerting an oscillatory pressure on the ceramic material.
REFERENCES:
patent: 3883278 (1975-05-01), Hass
Bucher-Guyer A.G.
Hoag Willard E.
Marmorek Ernest F.
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