Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1992-03-11
1994-12-27
Skaggs, H. Grant
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209 33, 209566, 209598, 209705, 340674, 250562, 250572, 493128, 356237, B07C 500
Patent
active
053757220
ABSTRACT:
A carton glue monitoring system includes a conveyor moving a plurality of cartons in a first direction. An encoder provides pulses at a rate proportional to conveyor line speed. A glue applicator applies a glue strip having a fluorescent material added thereto to the cartons on the conveyor. A glue check station includes a UV source for illuminating the fluorescent material in the glue and a UV sensor for sensing the fluorescent material. The glue station further includes a glue skip detector and an excess glue detector for generating a glue flag and for holding the glue flag until the carton exits the glue station. A glue shift register includes Y registers and is connected to the UV sensor and the encoder for shifting the glue flag in the Y registers. Y is proportional to the encoder rate and a distance between the rejection marking device and the glue station exit minus the carton length. The glue shift register outputs the glue flag to the rejection device after the glue flag is shifted in the Y registers. A rejection device includes a carton sensor and a rejection shift register having Z registers. The rejection device is connected to the encoder and the glue shift register. The rejection shift register shifts the glue flag Z times wherein Z is proportional to the carton length. The rejection device stamps or kicks the carton when the glue flag is shifted through the Z registers.
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Leary Kevin C.
Santefort Kenneth
Skaggs H. Grant
W. H. Leary Co., Inc.
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