Extrusion machinery with speed control

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

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Details

222 61, 264 407, 425379R, 425461, B29F 306, B29F 308

Patent

active

041416783

ABSTRACT:
The force applied to a ram is controlled so that the ram moves at a controlled speed while propelling material to be extruded through a die.

REFERENCES:
patent: 2207405 (1940-07-01), Jacobson
patent: 3354501 (1967-11-01), Bachman et al.
patent: 3752363 (1973-08-01), Fegley et al.
patent: 3865528 (1975-02-01), Roess
patent: 3888388 (1975-06-01), Mahoney

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