Apparatus for controlling resistance to extrusion of a rod-like

Details Apparatus for controlling resistance to extrusion of a rod-like Apparatus for controlling resistance to extrusion of a rod-like

1974-11-18

1976-11-02

Shore, Ronald J.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Molding pressure control means responsive to pressure at...

264 403, 425311, 425381, 425466, B29F 306

Patent

active

039894339

ABSTRACT:
Improved extrusion apparatus is shown for the preparation of a rod-like body from a coal-containing particulate mixture. Control mechanisms are disclosed for automatically controlling the throughput resistance experienced by the rod-like (or a developing version thereof) body through a die. Portions of the die wall near the outlet end thereof are adapted for inward displacement in response to these control mechanisms. This embodiment may also be coupled with a longitudinally movable die and control means for adjusting the length of the consolidating coal-containing mixture in contact with the surface of the movable die.

REFERENCES:
patent: 1775735 (1930-09-01), Reker
patent: 3131430 (1964-05-01), Rodenacker
patent: 3164863 (1965-01-01), Hunt
patent: 3381072 (1968-04-01), Mutton et al.
patent: 3482285 (1969-12-01), Falkenberg
patent: 3642405 (1972-02-01), Eggenberger et al.
patent: 3850568 (1974-11-01), Bartha et al.
patent: 3865528 (1975-02-01), Roess

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