Extruder for plastic materials

Details Extruder for plastic materials Extruder for plastic materials

1974-12-04

1977-02-01

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

With upstream screen or perforated plate for straining,...

425224, 425379R, 425382R, B29F 308

Patent

active

040059626

ABSTRACT:
An extruding machine for the extrusion of plastic or other similar materials in variegated forms comprising a series of bar members spaced from one another, wherein said bar members form by their interstitial spaces the extrusion chambers; said bar members having heating elements integrally disposed therein for the purpose of heating, to an amorphous state, the plastic material placed on and contacting the upper surface of said bars for extrusion into a receptacle beneath the bars.

REFERENCES:
patent: 2408713 (1946-10-01), Webb
patent: 2565941 (1951-08-01), Barnard
patent: 3249468 (1966-05-01), Von Drachenfels
patent: 3399426 (1968-09-01), Weasel, Jr.
patent: 3554449 (1971-01-01), Currie
patent: 3632282 (1972-01-01), Rasmussen
patent: 3864066 (1975-02-01), Gerhardt
patent: 3887322 (1975-06-01), Johnson et al.

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