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

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

Filed on

1973-07-02

Date issued

1976-09-21

Examiner

Anderson, Philip

Patent Class

Plastic and nonmetallic article shaping or treating: processes

SubClass

Pore forming in situ

Other Related Categories

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

Type

Patent

Status

active

Patent number

039819493

Description

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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