Feeder mechanism for supplying gobs of plastic material

Details Feeder mechanism for supplying gobs of plastic material Feeder mechanism for supplying gobs of plastic material

1983-07-05

1985-10-01

Lindsay, Robert

Glass manufacturing

Molten glass dispensing means

Discharge orifice below melt level

65334, 83602, 83699, 83700, C03D 1100

Patent

active

045443971

ABSTRACT:
The feeder mechanism comprises apparatus for shearing gobs from plastic material e.g. glass comprising a set of shear blades movable between open and shearing positions thereof. A driving system for the shear blades comprises a cam having a cam track and a servo-motor arranged to drive the cam at a speed which is varied in accordance with control signals derived from a stored program to move the shear blades in accordance with a desired position against time curve between limits defined by the shape of the cam track.

REFERENCES:
patent: 1304568 (1919-05-01), Jensen et al.
patent: 2956371 (1960-10-01), Torok
patent: 3996037 (1976-12-01), Wythe
patent: 4388100 (1983-06-01), Marroquin

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