Apparatus for the injection molding of fluid-filled plastic bodi

Details Apparatus for the injection molding of fluid-filled plastic bodi Apparatus for the injection molding of fluid-filled plastic bodi

1994-01-07

1995-06-13

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

26432812, 264572, 425572, 425812, B29C 4516

Patent

active

054236673

ABSTRACT:
A device for producing moldings of plastic material having a cavity therein filled with a fluid comprises a mold cavity, an injector for injecting flowable plastic into the mold cavity, an injector for injecting a pressurized fluid into an interior portion of the plastic, and a side cavity connected to the mold to receive flowable plastic melt expelled by the injected pressurized fluid. The side cavity may be randomly lockable and may comprise a closing stuffer which rests flush with respect to the mold cavity interior walls.

REFERENCES:
patent: 3301935 (1967-01-01), Stoechert
patent: 4101617 (1978-07-01), Friederich
patent: 4935191 (1990-06-01), Baxi
patent: 5069859 (1991-12-01), Loren
patent: 5090886 (1992-02-01), Jaroschek
patent: 5098637 (1992-03-01), Hendry

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