Package making – With means responsive to a sensed condition – Of package and filled receptacle closing or opening
Patent
1976-06-07
1977-08-16
McGehee, Travis S.
Package making
With means responsive to a sensed condition
Of package and filled receptacle closing or opening
53374, B65B 5700, B65B 720
Patent
active
040416755
ABSTRACT:
Carton setting up and loading machine to facilitate an operator successively setting up in empty chamber-defining shape a plurality of cartons in upright position on their flat stack of bottom closing flaps folded inward and the loading of their chambers to release them to remainder of the machine for sealing of their tops and bottoms. Lateral machine bed has an entrance end and a discharge end with transport means to move a loaded carton laterally forward along a path from the former end to the latter end while sealing closed at least the folded top flaps thereof. A carton setting up and loading lateral support or table top precedes the entrance end of the machine bed adjacent thereto. A pair of lateral and elongated, carton-clamping guide side rails flank opposite sides of the carton forward moving path at a moderate level above the transport means with these rails initially separated transversely an appreciable distance intended successively to receive freely therebetween any of a number of the cartons of widths less than this distance of separation. These guide rails have elongated entrance ends extending back from and preceding the entrance end of the machine bed and the transport means of the latter while overlapping a portion of the loading support. Means are provided to move at least one of the side guide rails inward toward the other to snug their elongated entrance ends against opposite sides of an intervening carton immediately preceding the entrance end of the machine while resting upon the loading support and with sufficient pressure to hold the carton temporarily firmly upright with its top open for loading of its chamber. Also means maintain the side guide rails in their relatively inward carton snugging and guiding positions when the loaded carton is transported forward from the loading table into the entrance end of the machine bed for engagement by the transport means to move this carton forward past closure sealing means to the discharge end. Powered means cause the side guide rails alternately to move inward to opposite sides of each unsealed carton for first holding it, thereafter guiding its advance, and then outward as the sealed carton is discharged from the machine. An elevating head has its level adjusted to the top of each advancing carton with this elevational adjustment being delayed until after the first holding action.
REFERENCES:
patent: 3690222 (1972-09-01), Schroeder
patent: 3769777 (1973-11-01), Miller et al.
Hanemann Horst J.
Loveland Winton
McGehee Travis S.
The Loveshaw Corporation
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