Injection molding nozzle for an injection molding system

Details Injection molding nozzle for an injection molding system Injection molding nozzle for an injection molding system

1991-06-06

1992-08-04

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

26432815, 425549, 425564, 425573, B29C 4523

Patent

active

051353776

ABSTRACT:
A heated injection molding nozzle for use in an injection molding system for injection molding of several different plastic melts in one injection molding cycle. The nozzle has an elongated nozzle body with first and second longitudinal melt passages for two different plastic materials. The second melt passage is a melt bore which extends centrally through the nozzle body. The first melt passage has two outer melt bores which extend through the nozzle body on opposite sides of the second melt passage. The rear end face of the nozzle body has an off center melt inlet recess and two melt branch passages extending to the two outer melt bores.

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patent: 4443177 (1984-04-01), Modur et al.
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patent: 4576567 (1986-03-01), Gellert
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patent: 4808101 (1989-02-01), Schad et al.
patent: 4875848 (1989-10-01), Gellert
patent: 4941249 (1990-07-01), Gellert
patent: 4954072 (1990-09-01), Zimmerman
patent: 5055028 (1991-10-01), Trakas
Modern Plastics, Feb. 1990 pp. 54-56.

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