Molding apparatus with material smoothing means and recycling me

Details Molding apparatus with material smoothing means and recycling me Molding apparatus with material smoothing means and recycling me

1974-08-28

1977-03-08

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

With means to gather excess or rejected stock material

Dynamic gatherer

425218, 425447, B29C 2900

Patent

active

040110362

ABSTRACT:
An apparatus for filling the cavities of a mold with powdered plastic material and for preliminary gelation of the material is used primarily for making synthetic shoe uppers. A carriage carries a mold beneath a distributor for depositing powdered material in the mold. A leveling means then levels the material at the top of the mold and the excess powder is returned to the distributor. The filled and leveled mold is then passed beneath a heat generator for effecting preliminary gelation of the powdered material.

REFERENCES:
patent: 78747 (1868-06-01), Johnson
patent: 1028930 (1912-06-01), Cameron
patent: 2407514 (1946-09-01), Rembert
patent: 2413735 (1947-01-01), Shabaker
patent: 2699590 (1955-01-01), Respess et al.
patent: 2912717 (1959-11-01), Yarrison et al.
patent: 3377652 (1968-04-01), Politzer et al.

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