Plastic article or earthenware shaping or treating: apparatus – Press forming apparatus having opposed press members – Male shaping member and female mold
Patent
1973-07-24
1976-05-04
Husar, Francis S.
Plastic article or earthenware shaping or treating: apparatus
Press forming apparatus having opposed press members
Male shaping member and female mold
425423, B29C 300, B29J 502
Patent
active
039543765
ABSTRACT:
A two-section die is provided, one section with a cavity having an open side, a surface opposite the open side, and an exposed face connecting the open side and the surface and including with the latter a steep angle. The exposed face is provided with steps which extend transversely of the direction of movement of the second or male section of the die, which is movable into the cavity for compressing a mixture of ligno-cellulose particles and binder material therein, and which has face and surface juxtaposable with the respective face and surface of the cavity so as to permit compression of the mixture.
REFERENCES:
patent: 1808367 (1931-06-01), Messler
patent: 3123273 (1964-03-01), Miller
patent: 3297296 (1967-01-01), Edstrom et al.
patent: 3357053 (1967-12-01), Lyon et al.
patent: 3596314 (1971-11-01), Krugler
Husar Francis S.
Safran David S.
Striker Michael J.
Werzalit-Pressholzwerk J.F, Werz Jr. KG
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