Process for producing molded bodies from paper and a thermoplast

Details Process for producing molded bodies from paper and a thermoplast Process for producing molded bodies from paper and a thermoplast

1988-08-02

1990-01-16

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264140, 264211, 264DIG69, B29C 3502, B29C 4700, B29C 4778

Patent

active

048941921

ABSTRACT:
A method of producing mouldings from paper and a thermoplastics. Paper and thermoplastics waste are reduced to shavings or chips. The same are introduced into a screw extruder to melt the thermoplastics and prepared therein to be extrudable. The mixture of melted thermoplastics and paper shavings is shaped continuously into the moulding by means of an extruding tool disposed after the screw extruder. The method is used more particularly with waste of plastics-coated packing paper as feed material.

REFERENCES:
patent: 3956541 (1976-05-01), Pringle
patent: 4708623 (1987-11-01), Aoki et al.

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