In-line carton slitting, flap folding and flap gluing apparatus

Details In-line carton slitting, flap folding and flap gluing apparatus In-line carton slitting, flap folding and flap gluing apparatus

1979-09-17

1982-03-02

Culver, Horace M.

Package making

Closing packages and filled receptacles

By means adapted to engage outturned seam of package cover

B65B 720, B65B 726

Patent

active

043173209

ABSTRACT:
Apparatus for closing the flaps on a carton in an in-line path includes rotary brushes located on opposite sides of the conveyor path with the bristles extending toward and within the carton conveying path. In one embodiment, the bristles on the brushes sweep the leading carton flap upwardly and rearwardly over the carton top to close the leading flap as the cartons are conveyed past the bristles. The trailing flap brushes engage the trailing carton flap and fold the flap upwardly and forwardly over the carton. The side flaps are folded over the end flaps by folding plows after glue has been applied to the end flaps. The apparatus also includes slitting knives for severing the connections between the edges of downturned carton flaps prior to movement of the cartons to the flap folding station.

REFERENCES:
patent: 2268423 (1941-12-01), Rose
patent: 2625778 (1953-01-01), Wood
patent: 2890560 (1959-06-01), Nigrelli et al.
patent: 2929183 (1960-03-01), Magna
patent: 3228172 (1966-01-01), Johnson et al.
patent: 3533214 (1970-10-01), Standley
patent: 3726061 (1973-04-01), Pagdin et al.
patent: 3821875 (1974-07-01), Paxton
patent: 4160351 (1979-07-01), Mais et al.
patent: 4191005 (1980-03-01), Vinoskey

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