Device for charging injection molding and extruding machines and

Details Device for charging injection molding and extruding machines and Device for charging injection molding and extruding machines and

1995-06-14

1996-11-26

Cooley, Charles E.

Agitating

Rubber or heavy plastic working

With specified feed means

3661583, 425582, 425587, B29B 760

Patent

active

055778399

ABSTRACT:
The problem of insufficient friction along the wall of a rotating funnel feeding viscous material to an extruder or injection molding machine so that the material sweeps past the conveying screw and prevents the conveying screw from continuously feeding that mass to the outlet of the funnel, is solved by providing pins which project inwardly from the rotating funnel wall and engage in interruptions in the flight of the conveying screw. The funnel wall can also be provided with pockets or grooves.

REFERENCES:
patent: 2799047 (1957-07-01), Widiger et al.
patent: 3327348 (1967-06-01), Roehlig et al.
patent: 3632255 (1972-01-01), Geyer
patent: 3981658 (1976-09-01), Briggs
patent: 4117548 (1978-09-01), Craig
patent: 4199263 (1980-04-01), Menges et al.
patent: 4249877 (1981-02-01), Machen
patent: 4416543 (1983-11-01), Brinkmann
patent: 4581992 (1986-04-01), Koch
patent: 5259749 (1993-11-01), Meixner et al.

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