Method of producing characters, symbols, patterns on thermoplast

Details Method of producing characters, symbols, patterns on thermoplast Method of producing characters, symbols, patterns on thermoplast

1988-01-21

1989-04-11

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Process of printing permanently on substrate, other than...

Resist or reserve

8446, 8471, 8512, 400490, B05D 132, B41M 130

Patent

active

048203106

ABSTRACT:
A method of producing characters, symbols, patterns (hereinafter referred to as "characters, etc.") on a thermoplastic resin molded article is characterized in that in order to produce characters, etc. on the molded article, a dye-impenetrable cover is first applied to that part of the surface of the molded article which corresponds to the characters, etc. to be produced, impregnation dyeing being then affected on the molded article surface including at least the peripheral area of the covered part of the surface by using a sublimative dye, the cover being subsequently removed, whereby the characters, etc. are produced as such.

REFERENCES:
patent: 4242378 (1980-12-01), Arai
patent: 4265630 (1981-05-01), Bauerle
patent: 4271224 (1981-06-01), Mizuwo et al.
patent: 4634607 (1987-01-01), Ernsberger
patent: 4764177 (1988-08-01), Sumi et al.

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