Envelopes – wrappers – and paperboard boxes – Paperboard box
Patent
1983-02-24
1984-10-02
Price, William
Envelopes, wrappers, and paperboard boxes
Paperboard box
220 8, 229 30, 229 37R, B65D 532
Patent
active
044743246
ABSTRACT:
A telescoping carton particularly adapted for packaging food products is prepared from a pair of combination tray/cover components made from identical blanks of paperboard or the like. Each blank is folded and glued by the manufacturer and shipped to the user in its flattened knocked down condition. The combination tray/cover components have a plurality of side walls and preferably an auto lock bottom. The side walls are joined to one another along score lines to form corners, and the side walls at each corner are provided with a pair of converging score lines which extend from points along the edges of each adjacent side wall toward the corner formed by the adjacent side walls. The corner score lines and the adjacent converging score lines in each side wall form connected, tapered panels. When used as a tray, these panels are pinched together and form outwardly folded corners to effectively reduce the size of the top of the tray. When used as a cover, these same panels are left undisturbed thereby permitting the cover component to telescope over the tray component.
REFERENCES:
patent: 988015 (1911-03-01), Myers
patent: 2251283 (1941-08-01), Johnson
patent: 2868429 (1959-01-01), Shanahan
patent: 2994466 (1961-08-01), Thompson
patent: 3176900 (1965-04-01), Ciganenko
patent: 3955671 (1976-05-01), Ockey
Elkins Gary E.
Price William
Westvaco Corporation
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