Method of and apparatus for the controlled feeding of a quantity

Details Method of and apparatus for the controlled feeding of a quantity Method of and apparatus for the controlled feeding of a quantity

1978-12-20

1981-01-27

Thurlow, Jeffery R.

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

222 56, 222 64, 264 404, 366132, 366142, 366151, 366153, 4251742, 425204, B29B 504, B29F 302

Patent

active

042472725

ABSTRACT:
A method and apparatus for controlling the feed of pieces of rubber or plastics material into the intake opening of an extruder where a feed roller has a control slide mounted thereabove which can be moved to increase or decrease the area of the surface of the roller which engages the material and thus the rate of material intake. Sensing means are provided to indicate to control means the level of material in the intake opening, the control means then operating the control slide to adjust the rate of intake of material.

REFERENCES:
patent: 2221327 (1940-11-01), Rhodes
patent: 3225963 (1965-12-01), Arpajian
patent: 3360824 (1968-01-01), Schippers
patent: 3632244 (1972-01-01), Sturgeon et al.
patent: 3785527 (1974-01-01), Brand
patent: 3858857 (1975-01-01), Ulm

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