Apparatus for the extrusion of patterned sheets of thermoplastic

Details Apparatus for the extrusion of patterned sheets of thermoplastic Apparatus for the extrusion of patterned sheets of thermoplastic

1977-05-10

1980-01-29

Rosenbaum, Mark

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

425207, 425376A, 425376B, 425462, B29F 312

Patent

active

041859510

ABSTRACT:
A process for the extrusion of patterned sheets of thermoplastic synthetic resins wherein a transparent basic synthetic resin material is combined with at least one differently colored secondary synthetic resin material, and wherein the combined stream of material made up of the basic material and the secondary material flows, during the extrusion, at least in partial zones at right angles to the extrusion flow direction, based on the flow cross section, is disclosed.

REFERENCES:
patent: 2803041 (1957-08-01), Hill et al.
patent: 3272901 (1966-09-01), Sims
patent: 3422175 (1969-01-01), Rowland
patent: 3718413 (1973-02-01), Luraschi
patent: 3779676 (1973-12-01), Bernard
patent: 4057379 (1977-11-01), Sato

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