1977-11-28
1979-11-06
Desmond, E. F.
B31B 150
Patent
active
041731735
ABSTRACT:
A vertical carton erecting machine of the stationary die-reciprocal plunger type in which the knife edges for opening the carton slots and receiving the tabs are fixedly mounted on the plunger. Cam-operated flippers press the top edges of the carton outwardly to cause the tabs and slots to interlock. Carton strippers stationarily mounted at the bottom of the die may then engage the carton and strip it from the plunger as the latter is withdrawn.
REFERENCES:
patent: 3376797 (1968-04-01), Scace
patent: 3521530 (1970-07-01), Pierce
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