Heat treatment apparatus for waste containing thermoplastic mate

Details Heat treatment apparatus for waste containing thermoplastic mate Heat treatment apparatus for waste containing thermoplastic mate

1978-07-03

1980-01-29

Lazarus, Richard B.

Solid material comminution or disintegration

Apparatus

With temperature modification of material

241167, 241240, B02C 2300

Patent

active

041857844

ABSTRACT:
Apparatus is disclosed for the heat treatment of thermoplastics containing industrial and domestic refuse, as well as plastics waste. The refuse or waste is previously comminuted to a size capable of being treated in the process, then fed into the apparatus which is a crushing roller press. The press has a rotatably driven roll in a machine body, the machine body and the roll forming a converging infeed gap and two crushing gaps along the circumference of the roll. Just before a charging hopper there is a discharge opening provided with an adjustable scraper.

REFERENCES:
patent: 163702 (1875-05-01), Streuley
patent: 1154004 (1915-09-01), Duffy et al.
patent: 1355093 (1920-10-01), Herche
patent: 1867184 (1932-07-01), Smith
patent: 2156619 (1939-05-01), Carruthers et al.
patent: 2171465 (1939-08-01), Weidlich

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