Apparatus for adhering thermally-softenable plastic particles in

Details Apparatus for adhering thermally-softenable plastic particles in Apparatus for adhering thermally-softenable plastic particles in

1986-03-14

1987-08-25

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Including both heating and cooling means

264 51, 264 53, 264125, 425 4R, 4253871, 425412, B29C 3352

Patent

active

046890041

ABSTRACT:
Apparatus for adhering thermally-softenable particles to one another to form a plastic body has a molding tool reciprocable in a chamber for double piston action on a heated gas in the chamber. The molding tool defines a mold with opposite, gas-permeable walls in the directions of the reciprocation for receiving the particles. The double piston action of the reciprocation of the molding tool then forces the heated gas through the mold and particles therein to thermally soften the particles for adhering into the body.

REFERENCES:
patent: 4492663 (1985-01-01), Reinfeld et al.

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