Variable length extrusion die

Details Variable length extrusion die Variable length extrusion die

1974-11-18

1977-05-24

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

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

Feed control of material en route to shaping area

425155, 425164, 425381, 425466, B29F 306

Patent

active

040252620

ABSTRACT:
Improved extrusion apparatus is shown for the preparation of a rod-like body from a coal-containing particulate mixture. Control means are disclosed for manually or automatically infinitely adjusting the length, within a preselected range, of the consolidating coal-containing mixture in contact with the surface of the die in response to selected parameters. In the preferred embodiment the operative length of the die may be varied by the control means.

REFERENCES:
patent: 1775735 (1930-09-01), Reker
patent: 2885734 (1959-05-01), Wucher
patent: 3131430 (1964-05-01), Rodenacker
patent: 3144682 (1964-08-01), Thielfoldt
patent: 3381072 (1968-04-01), Mutton et al.
patent: 3642405 (1972-02-01), Eggenberger et al.
patent: 3698846 (1972-10-01), Leutner

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