Classifying – separating – and assorting solids – Adhesion – With selective differentiation
Patent
1978-01-23
1979-08-28
Heyman, John S.
Classifying, separating, and assorting solids
Adhesion
With selective differentiation
328 75, 328129, 209564, B07C 508, H03K 2130
Patent
active
041662466
ABSTRACT:
A digital control system is disclosed for activating a responsive device, such as a dispenser, at a preselected time after an initiating event, for a predetermined duration period. The system can be used for example in the packaging industry to apply adhesive at precise locations on a box moving on a conveyor. The system automaticaly compensates for conveyor speed and for the pull-in time and/or drop-out time of the responsive device.
REFERENCES:
patent: 3532907 (1970-10-01), Kasper
patent: 3532990 (1970-10-01), Kasper
patent: 3813524 (1974-05-01), Coberley
patent: 3955678 (1976-05-01), Moyer
patent: 4112379 (1978-09-01), Schmidt
Coghill George J.
Heyman John S.
Nordson Corporation
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