System for reclaiming plastic from metal plated plastic scrap

Details System for reclaiming plastic from metal plated plastic scrap System for reclaiming plastic from metal plated plastic scrap

1979-01-15

1981-02-17

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Selective or differential comminution of mixed or bonded solids

241 23, 241 24, 241 29, 241DIG37, 260 23, C02C 2100

Patent

active

042510341

ABSTRACT:
Chrome plated plastic scrap is chopped into small pieces and then, while subjected to sub-zero temperatures, is centrifugally impacted thereby producing a mixture of particles of chrome and plastic. Most of the chrome particles are removed by subjecting the mixture to a magnetic field. The remaining, mostly plastic particles are classified to obtain usable, predominantly plastic particles within a predetermined size range, those particles exceeding this range being, if desired, recycled for subjection to said centrifugal impacting step. The usable particles are thus reclaimed for reuse, after repelletizing, in extrusion or molding techniques.

REFERENCES:
patent: 3749322 (1973-07-01), Reynolds
patent: 3885744 (1975-05-01), Drage
patent: 4025990 (1977-05-01), Lovette, Jr.

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