Method for producing sheet material with multicolor striated pat

Details Method for producing sheet material with multicolor striated pat Method for producing sheet material with multicolor striated pat

1975-07-07

1977-03-08

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Random variegated coloring during molding

By extrusion

264171, 264211, 264245, B29F 112, B29F 312

Patent

active

040112926

ABSTRACT:
A method is disclosed for producing synthetic plastic sheet material having a multicolor striated pattern therein. The composite stream containing at least one band of differentially colored material in a matrix resin is passed through a perforated member having apertures therein separated by narrow solid segments which results in some interference with the lineal flow of the composite stream and effects striations of the differentially colored material within the matrix. A screen member supported in a perforated insert is specifically disclosed, and generally the bands of color extend diagonally across the sheet material.

REFERENCES:
patent: 2632204 (1953-03-01), Murray
patent: 2803041 (1957-08-01), Hill et al.
patent: 2897541 (1959-08-01), Orsini
patent: 3039141 (1962-06-01), Bauer
patent: 3461197 (1969-08-01), Lemelson
patent: 3511742 (1970-05-01), Rasmussen
patent: 3641232 (1972-02-01), Fontijn et al.
patent: 3792945 (1974-02-01), Randall

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