Corner laminating apparatus and method for cartons

Details Corner laminating apparatus and method for cartons Corner laminating apparatus and method for cartons

B - Operations, Transporting

31

B

93/69

B31B 3/00 (2006.01) B31B 3/36 (2006.01) B31B 3/44 (2006.01)

Patent

CA 1243531

Abstract An apparatus and method for erecting a carton having laminated corner structures. A multi-sectioned corner flap is folded progressively between an outer guide in the form of a longitudinal row of rollers and a spiraling row of conical rollers that accurately pinches a bent corner edge of the corner flap structure against the end panel to which it is joined in the carton blank. Surface-to-surface contact between the glued portions of the corner flap and the end panel is prevented until the folding action has been accurately completed.

512538

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