Device for shaping synthetic resins

Details Device for shaping synthetic resins Device for shaping synthetic resins

1986-04-23

1987-11-03

Miles, Tim

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

264337, 264550, 425406, 425412, B29C 3318

Patent

active

047040815

ABSTRACT:
Molds or auxiliary molds for thermoforming a synthetic resin, said molds having a rigid main part connected surface-to-surface to an elastic layer having a smooth, continuous, matte surface which is more elastic than a softened resin with which it is to be contacted; devices for thermoforming comprising one or more of such molds; methods for thermoforming employing such molds and devices.

REFERENCES:
patent: 2368327 (1945-01-01), Rose
patent: 2442338 (1948-06-01), Borkland
patent: 2714226 (1955-08-01), Axelrad
patent: 2990581 (1961-07-01), Rowe, Jr.
patent: 3173974 (1965-03-01), Mohr
patent: 3529321 (1970-09-01), Culand
patent: 3608016 (1971-09-01), Holmstrom
patent: 3737276 (1973-06-01), Hill et al.
patent: 3969051 (1976-07-01), Hovila
patent: 3975493 (1976-08-01), Tigner et al.
patent: 4261775 (1981-04-01), Tschudin
patent: 4285901 (1981-08-01), Yotsutsuji et al.
patent: 4562032 (1985-12-01), Gandreau
Airslip Forming, The Rubber and Plastics Age, Jul. 1956, pp. 460, 461.

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