Method of making molded bodies from ligno-cellulose particles

Details Method of making molded bodies from ligno-cellulose particles Method of making molded bodies from ligno-cellulose particles

1973-03-15

1978-02-14

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

264325, B29J 506

Patent

active

040738515

ABSTRACT:
A two-section die is provided in 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 performed by the second or male section of the die which is movable into the cavity for compressing a flowable mixture of ligno-cellulose particles and binder material placed into the cavity, and which has faces and surfaces juxtaposed with the respective face and surface of the cavity so as to compress between them the mixture; the pourable mixture is retarded against displacement in direction towards the surface during such movement, due to the presence of the steps.

REFERENCES:
patent: 2330762 (1943-09-01), Tooker
patent: 2747231 (1956-05-01), Reinhardt
patent: 3166617 (1965-01-01), Munk
patent: 3354248 (1967-11-01), Haas
patent: 3596314 (1971-08-01), Krugler

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