Process and machine for multi-color injection molding

Details Process and machine for multi-color injection molding Process and machine for multi-color injection molding

1980-08-04

1982-02-16

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

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

264 74, 264 75, 264245, 425573, B27F 110

Patent

active

043157246

ABSTRACT:
Process and machine for multi-color injection molding of plastic products having three-dimensional appearance of continuous or discontinuous multi-color patterns according to a preset program through injection of various kinds and/or colors of resins into a cavity, the resins being injected from at least three injection units, merged into and blended together in a molten resin mixing manifold. The multi-color injection molding machine has more than three injection units established around the molten resin mixing manifold. The manifold internally holds an arranging chamber, which received a resin from each injection unit and forms a compounded or layered resin flow. For the purpose of presenting intricate multi-color patterns according to a preset program, the arranging chamber is detachably mounted in the molten resin mixing manifold.

REFERENCES:
patent: 3921856 (1975-11-01), Langeeker

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