Multi-cavity injection moulding system

Details Multi-cavity injection moulding system Multi-cavity injection moulding system

1991-10-02

1993-06-29

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

2643288, 2643289, 425562, 425564, 425572, 425588, B29C 4523

Patent

active

052232751

ABSTRACT:
The present invention refers to a hot runner manifold composed of two parallel hot runner plates disposed in parallel, one behind the other, to feed at least two different plastic materials along horizontal hot runners to injection nozzles bolted to the front hot runner manifolds.

REFERENCES:
patent: 4808101 (1989-02-01), Schad et al.
patent: 4932858 (1990-06-01), Gellert
patent: 5106284 (1992-04-01), Kobayashi et al.
Keith R. Kreisher, Coinjection molding is hot again-with a lot more going for it, Modern Plastics, Feb. 1990 pp. 54-56.

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