Coating apparatus control including time dependent inhibitor cir

Details Coating apparatus control including time dependent inhibitor cir Coating apparatus control including time dependent inhibitor cir

1976-06-01

1977-11-29

Kaplan, Morris

Coating apparatus

With vacuum or fluid pressure chamber

118 8, 118 11, 118324, 364468, 307362, 328 72, 328129, B05B 1500, G05B 1116, H03K 1900

Patent

active

040600521

ABSTRACT:
In a system for treating articles automatically while the articles are in a stopped treating position, an improved triggering circuit activates the treating device. In one embodiment, multiple cans are simultaneously spray coated by a corresponding number of spray coating guns. An indexing type conveyor with pockets for holding cans moves cans along the same path until a group of pockets holds cans in spraying positions proximate a group of coating guns. When the conveyor has moved a sufficient distance to bring the group of cans to the proper spraying positions, the conveyor is stopped for a predetermined period of dwell time sufficient to complete the spraying operation before the conveyor is again moved. A separate proximity sensor for each spraying position determines the presence or absence of a can in each spraying position independently. Any given spray gun is activated only if the sensor associated with that spraying position has sensed the presence of a can for some predetermined interval of time. When the dwell time has elapsed, the conveyor automatically moves a new group of cans to the spraying positions while the group of cans just sprayed are moved out of the spraying positions.

REFERENCES:
patent: 2961990 (1960-11-01), Wruck
patent: 3365586 (1968-01-01), Billings
patent: 3521598 (1970-07-01), Straw
patent: 3649846 (1972-03-01), Frederiksen
patent: 3682131 (1972-08-01), Algeri et al.
patent: 3803425 (1974-04-01), Carp
patent: 3862414 (1975-01-01), Algeri
Automatic Timing & Controls, Inc., Standard Instrument Corp., Div. "Jam Control with Proximity Sensor", [Mar. 1970], No. 704.

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