B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/52, 93/54
B31B 1/56 (2006.01) B31B 5/36 (2006.01)
Patent
CA 1050319
APPARATUS FOR FOLDING AND GLUING CARTON BLANKS Abstract of the Disclosure Flat open carton blanks are fed by a conveyor past two rotating plows located on each side of the conveyor. A first plow is located upstream of the second plow, and a glue applicator is located between the two plows. A stationary plow or wedge is located ahead of each rotating plow. As the blank is advanced, a first panel is folded upon the blank by the first rotating plow. Glue is applied to the edge of the first panel. As the blank is conveyed past the second rotating plow, a panel on the opposite side of the blank is folded upon the blank with its edge in contact with the glue applied to the edge of the first panel. The thus folded blank is passed through the nip of press rolls to press the two glued edges together. A diverter is provided to reject double folded blanks.
278568
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