B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/50
B05C 1/02 (2006.01) B05C 1/08 (2006.01) B65H 3/08 (2006.01) B65H 37/02 (2006.01)
Patent
CA 1040849
ABSTRACT OF THE DISCLOSURE A gluing machine which employs substantially linear conveying motion and easily installed change parts, the combination of which adapts the machine to handle thin paper or relatively heavy cardboard. A vacuum head with compound motion delivers a sheet of cardboard or paper from a vertical stack by lifting the leading edge and advancing it substantially horizontally between drive rolls which deliver the sheet under a glue roll. For relatively stiff sheets, a pair of presser rolls under the glue roll continuously bend the moving sheet into close contact with the glue roll and the sheet is delivered onto a vacuum conveyor for positive ejection and accurately timed delivery to a downstream processing station. For handling flexible sheets, the vacuum head is rotated while in mo- tion by an air cylinder carried on the support arms for the vacuum head, and the air cylinder can be disabled for handling stiff sheets. The presser rolls are substituted with a fixed bridge for handling flexible sheets. -1a-
207504
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