Method for central injection molding

Details Method for central injection molding Method for central injection molding

1975-12-15

1977-07-12

Lee, Lester L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264245, 264255, B28B 1124

Patent

active

040354660

ABSTRACT:
An injection molding nozzle and a method for using the same for the central injection molding of thermoplastic materials consisting of a filling compound of any desired thermoplastic material and a surrounding cover layer consisting of a different thermoplastic composition.

REFERENCES:
patent: 3339240 (1967-09-01), Corbertt
patent: 3513060 (1970-05-01), Krystof
patent: 3793415 (1974-02-01), Smith

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