Apparatus for the extrusion of patterned sheets or panels of the

Details Apparatus for the extrusion of patterned sheets or panels of the Apparatus for the extrusion of patterned sheets or panels of the

1976-08-04

1978-12-05

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

Means providing a shaping orifice

Plural distinct feed inlets

264171, 264245, 4251311, 425132, 425376A, B29F 312

Patent

active

041283864

ABSTRACT:
A process for extruding patterned sheets or panels of differently colored thermoplastic synthetic resin compositions which include the steps of distributing additional color compositions outside of an extrusion duct of a basic color composition over a number of individual feed channels and introducing the additional color compositions at right angles to the direction of flow of the basic color composition into the interior of the stream of the basic color composition at locations over the width and thickness in an initial flow zone via said channels.

REFERENCES:
patent: 2803041 (1957-08-01), Hill et al.
patent: 3274646 (1966-09-01), Krystof
patent: 3444031 (1969-05-01), Schrenk
patent: 3792945 (1974-02-01), Randall

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