Press apparatus for molding shaped bodies from foamable plastic

Details Press apparatus for molding shaped bodies from foamable plastic Press apparatus for molding shaped bodies from foamable plastic

1978-06-16

1980-03-04

Anderson, Philip

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to close mold

264DIG83, 425195, 425595, 425408, 4254501, 4254519, 425454, 425817R, B29D 2700

Patent

active

041915232

ABSTRACT:
An apparatus for molding shaped bodies from foamable plastics such as foamable polyurethane resin material comprises a two-piece mold 20, 21 fastened to two clamping plates 17, 18 of a mold holder 11, all of which can revolve around parallel axes 34, 35, 36. The upper plate 18 can move toward the fixed lower plate 17 and back again. The plates are locked and urged together during the molding process by pairs of hydraulic cylinders 28, 29 and 30, 31 mounted on opposite sides of the mold halves 20, 21.

REFERENCES:
patent: 3642398 (1972-02-01), Von Rudgisch
patent: 3674408 (1972-07-01), Baumgartner et al.
patent: 3765814 (1973-10-01), Yaita
patent: 3856451 (1974-12-01), Holzinger
patent: 3981671 (1976-09-01), Edwards
patent: 4008990 (1977-02-01), Hiemer et al.
patent: 4083671 (1978-04-01), Niederst et al.

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