Card clothing method for treating thermoplastic sheet material

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work

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Details

264119, 264156, 264288, B29D 714

Patent

active

039695654

ABSTRACT:
The use of carding technology to produce a patterned sheet of thermoplastic material which comprises pressing thermoplastic sheet material between rotating cylinders, rollers or endless belts covered with card clothing having a surface of metallic wires. The rotating carding means are provided with internal heating means for maintaining the surface wires at elevated temperatures.

REFERENCES:
patent: 2949639 (1960-08-01), Woodward
patent: 3137611 (1964-06-01), Krolik
patent: 3255064 (1966-06-01), Makansi
patent: 3354022 (1967-11-01), Dettre
patent: 3496260 (1970-02-01), Guenther

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