Method and apparatus for closing cartons

Details Method and apparatus for closing cartons Method and apparatus for closing cartons

1989-11-16

1991-06-18

Spruill, Robert L.

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

By conveyor and means driven for turning successive conveyed...

198718, 53484, 53374, B65G 1900, B65G 4724, B65B 720

Patent

active

050243179

ABSTRACT:
An apparatus for closing lidded cartons has a turning station including a flightless horizontal conveyor, and a chain conveyor which extends along one side of the flightless conveyor and has light restraint members pivotally mounted on its links. The chain conveyor is moved in the same direction as the horizontal conveyor, but at a slower speed. Part way along the chain conveyor an upwardly directed air jet moves the restraint members individually but in succession to temporary raised positions in which they are available for engagement by a carton which is moving along the flightless conveyor in overlapping relation to the chain conveyor. A restraint member engaged by a carton in this way thereafter serves as a fulcrum about which the carton pivots through a substantial angle. Plough bars later complete the rotation of the carton through 90.degree. in total.

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patent: 4672792 (1987-06-01), Wallin
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