Package making – Partial cover application
Patent
1984-10-30
1985-10-22
Sipos, John
Package making
Partial cover application
53207, 53209, B65B 1108
Patent
active
045480257
ABSTRACT:
There are depicted, described and claimed an apparatus and method for receiving and transporting tray blanks of corrugated cardboard. Cutouts provide means for bending of flap portions of the blank which form the outer retaining walls or members. Asjustment is provided for the frame support and for the size of the tray as to its width, length and sidewall height. The tray blanks are advanced forwardly to and into a hopper where the lowermost tray blank is withdrawn from a stacked array by a plurality of vacuum cups carried by and on arms. The tray is erected on a reciprocably-moved table by apparatus whereat the back edge portion is brought to a normal position, then the partially erected tray is filled with containers brought by conveyors and said containers are inserted by pushers. The forward end of the tray is brought to a substantially vertical condition by Y-fingers. The rear inner side flaps are moved to a position against the containers by pivoted finger mechanism. This pivoted mechanism is actuated by a pneumatic cylinder which moves a block and the pivoted finger mechanism forwardly at a greater speed than the reciprocated table. The forward inner flaps of the tray blank are also turned inwardly by plows mounted to the frame. The outer flaps are lifted so as to close the sides of the tray and by hot-melt adhesive the ends are secured with pushers positioning and retaining the flaps until the adhesive is set.
REFERENCES:
patent: 3504478 (1970-04-01), Dieter
patent: 3530640 (1970-09-01), Hoffman
patent: 3555776 (1971-01-01), Nigrelli
patent: 3832822 (1974-09-01), Sherman
patent: 3848394 (1974-11-01), Heisler
patent: 3964239 (1976-06-01), Elford
patent: 4089150 (1978-05-01), Heisler
Roberts Ralph R.
Sipos John
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