Plastic article or earthenware shaping or treating: apparatus – Means feeding fluent stock from plural sources to common... – Extrusion shaping means
Patent
1984-06-13
1986-12-02
Thurlow, Jeffery
Plastic article or earthenware shaping or treating: apparatus
Means feeding fluent stock from plural sources to common...
Extrusion shaping means
264 75, 264171, 264236, 264245, 264347, 4251335, 425199, 425325, 425371, 425462, B29C 4704
Patent
active
046261877
ABSTRACT:
A synthetic resin plate having at least two different colors is prepared by a process having the steps of supplying at least two polymerizable liquid materials differing in the color from at least two inlets, passing them through at least two groups of flow paths alternately arranged, extruding and injecting the polymerizable liquid materials into a polymerization apparatus, polymerizing the liquid materials, and withdrawing a plate-shaped product having a striped pattern extending from the surface to the interior or a plate-shaped product having said striped pattern in which the boundary area between the adjacent stripe lines of different colors is gradated.
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Mitsubishi Rayon Company Ltd.
Thurlow Jeffery
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