Displaced snorkel sandwich molding

Details Displaced snorkel sandwich molding Displaced snorkel sandwich molding

1982-10-25

1985-09-03

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

425572, B28B 124

Patent

active

045391718

ABSTRACT:
An improved method of transferring thermoplastic material from an injection unit to a sandwich mold when a transfer of molding material along the central axis of the clamping platens is not suitable. The method utilizes one or more snorkels which have a central axis which is displaced from the central axis of the clamping platens. The method may be adapted to various sandwich molding cycles, and does not have problems with material drooling into the parting surfaces. The method may easily be used, with minor adaptations, in standard horizontally operating injection molding machines.

REFERENCES:
patent: 2698460 (1955-01-01), Amo
patent: 2992455 (1961-07-01), Salzmon
patent: 3647338 (1972-03-01), Ise
patent: 3659997 (1972-05-01), Rees
patent: 4400341 (1983-08-01), Sorensen

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