Tray forming machine

Details Tray forming machine Tray forming machine

1978-05-16

1980-08-05

Sipos, John

Package making

Partial cover application

53207, 53209, B65B 1108

Patent

active

042155258

ABSTRACT:
Apparatus for forming a tray blank into a tray about its contents. The apparatus includes leading and trailing tray flap folders and side flap folders. The flaps on the tray blank have end tabs which are interconnected in angled oblique relation when the tray blank is formed into a tray, thus to create beveled or oblique corners of the tray. The leading and trailing tray flap folders have oblique fingers which engage the end tabs on the leading and trailing tray flaps to fold the end tabs into oblique position when the flaps are folded. The end tabs on the side flaps of the tray blank have notches into which the fingers are received. A conveyor moves the tray and its contents through the various folding elements.

REFERENCES:
patent: 656826 (1900-08-01), Peters
patent: 2066449 (1937-01-01), Barrett
patent: 2847810 (1958-08-01), Davey et al.
patent: 2953070 (1960-09-01), Dunning
patent: 3015923 (1962-01-01), Dotzenroth
patent: 3492923 (1970-02-01), Stenberg
patent: 3555776 (1971-01-01), Nigrelli et al.
patent: 3681893 (1972-08-01), De Barge
patent: 3869846 (1975-03-01), Timmerbeil
patent: 3959950 (1975-03-01), Fukuda

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