Carton flap folding mechanism

Details Carton flap folding mechanism Carton flap folding mechanism

1977-03-15

1978-06-06

Coan, James F.

B31B 152

Patent

active

040929060

ABSTRACT:
A packaging machine is disclosed in which leading and trailing carton flaps are folded by means of a pair of folding pins positioned intermediate adjacent cartons in a series of cartons. The folding pins are movable along substantially circular paths to fold the flaps inwards over the ends of the cartons positioned adjacent to each other.

REFERENCES:
patent: 868292 (1907-10-01), Redd
patent: 2625778 (1953-01-01), Wood
patent: 2651153 (1953-09-01), Burnett
patent: 3068761 (1962-12-01), Engleson et al.
patent: 3602107 (1971-08-01), Zimmer et al.
patent: 3618480 (1971-11-01), Theys et al.

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