Compounding injection molding combined process

Details Compounding injection molding combined process Compounding injection molding combined process

1994-04-22

2000-06-06

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

26432818, 26432819, 264921, B29C 4570

Patent

active

06071462&

ABSTRACT:
A process is disclosed for recycling plastic materials. The previously sorted plastic material wastes are comminuted, mixed, melted and homogenized during a first step, and the raw materials thus recovered are immediately stocked in a storage chamber (12) or buffer reservoir, then supplied to an injection and moulding device (13). During their temporary storage, the raw materials are exposed if necessary to a regulated temperature.

REFERENCES:
patent: 2382655 (1945-08-01), Nichols
patent: 3913796 (1975-10-01), Aoki
patent: 4591467 (1986-05-01), Kopernicky
patent: 5286187 (1994-02-01), Niimi et al.
Frados, Joel, Plastics Engineering Handbook, 1976, pp. 83-94.

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