Method of forming a cellular article having an integral, color-i

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ

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260 25EP, 260 25L, 260 296WQ, 264 455, 264 48, 264245, 264321, 264DIG14, 264DIG17, 428158, 428315, B29D 2704

Patent

active

039819493

ABSTRACT:
An article, such as a door, is made from a colored water-extended thermoplastic polymeric material, and is provided with a decorated pattern by fusion of a surface layer to form a non-cellular layer, the depth of fusion being different in different parts so that the depth of color is correspondingly different. The variation in color intensity provides a decorative pattern, and fusion of the cellular material is effected by pressing with a die in the shape of the desired pattern.

REFERENCES:
patent: 3726819 (1973-04-01), Dijkhuizen
patent: 3802949 (1974-04-01), Brown

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