Apparatus for making molded bodies from ligno-cellulose particle

Plastic article or earthenware shaping or treating: apparatus – Press forming apparatus having opposed press members – Male shaping member and female mold

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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

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