B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/45
B31B 1/60 (2006.01) B31B 3/44 (2006.01)
Patent
CA 1131961
Abstract: Apparatus for adhesively bonding a clam-shell type carton formed from a paperboard blank includes a carton forming die for receiving the paperboard blank, a movable frame for transferring the carton blank from a stack into registration over the die and a reciprocating plunger mounted above the die for forcing the carton blank into the die to fold and erect the carton. The movable frame includes a number of vacuum assisted suction cups for lifting the carton blank from the stack and a plurality of spring loaded adhesive applicators, connected to a pressurized source of adhesive, for applying a spot of adhesive to selected portions of the carton blank when the blank, carried by the movable frame, is pressed into registration over the forming die. A stacking cage is disposed beneath the carton forming die to receive and retain the erected and folded cartons in a vertically stacked, nested arrangement, with adjacent cartons bearing against one another so that the adhesive coated portions of each nested carton are retained in contact with adja- cent panels of the carton for a time sufficient to allow an adhesive bond to form therebetween.
338039
Baker Thomas R.
Collura Peter C.
Johnson & Hicks
Kliklok Corporation
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