Roller forming of thermoplastic sheet material

Details Roller forming of thermoplastic sheet material Roller forming of thermoplastic sheet material

1987-08-18

1989-04-04

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264313, 264320, 264DIG68, 425374, 425458, 425DIG48, B29C 5100

Patent

active

048184608

ABSTRACT:
A method of roller forming thermoplastic sheet material to form large parts includes providing a form having a surface of predetermined curvature. A sheet of thermoplastic material is overlain on the form surface and heated until pliable. Pressure is provided on the thermoplastic sheet using a roller so that the sheet conforms to the shape of the form.

REFERENCES:
patent: 2420119 (1947-05-01), Boehm et al.
patent: 2897546 (1959-08-01), Clapp et al.
patent: 4302417 (1981-11-01), Michelotti

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