Method for controlling accurate dispensing of adhesive droplets

Details Method for controlling accurate dispensing of adhesive droplets Method for controlling accurate dispensing of adhesive droplets

1989-11-15

1991-08-27

Hajec, Donald T.

Dispensing

Automatic control

Constant weight, volume or pressure control by output

222 14, 222 52, 118300, B05D 126

Patent

active

050426885

ABSTRACT:
An apparatus for optically controlling the volume of adhesive extruded from an orifice. A camera continuously monitors the adhesive discharged from the orifice; this adhesive is not applied to the target area until its volume is within preestablished limits. When the volume of adhesive is visually determined to be acceptable it is then applied to the target area. The camera is used again, to confirm the proper amount of adhesive has been applied to the target area by measuring the volume of adhesive remaining on the orifice after contacting the target area.

REFERENCES:
patent: 4935261 (1990-07-01), Srivastava

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