Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1994-02-07
1995-01-10
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
229164, B65D 4304
Patent
active
053799348
ABSTRACT:
A closable tray is provided by a bottom tray having upwardly and outwardly flaring pairs of mutually perpendicular side walls. The side walls of one such pair is longer than the side walls of the other pair and is provided with tongue receiving slots positioned spaced from the bottom wall a distance substantially equal to the spacing of supporting surfaces provided along the top edge of the walls of the other pair of opposed walls. A cooperating cover is formed by a planer top member, two pairs of mutually opposed tongues projecting in opposite directions therefrom. The planer top member preferably is slightly convex on each of its sides and each of tongue members extend from the widest portion of its respective side of the top member. The tray and cover are dimensional so that one pair of opposed tongue member cooperates with the tongue slots and the other pair of tongue members are supported on the support surfaces of the bottom tray when the cover member closes the bottom tray.
REFERENCES:
patent: 1620174 (1927-03-01), Wagner
patent: 2133930 (1938-10-01), Wagner
patent: 2511550 (1950-06-01), Simms
patent: 2736485 (1956-02-01), Rabby
patent: 3447672 (1969-06-01), Bailey et al.
patent: 4187977 (1980-02-01), Boykin et al.
patent: 4362266 (1982-12-01), Webinger
patent: 4960238 (1990-10-01), Lorenz
patent: 4984734 (1991-01-01), Zion et al.
patent: 5269454 (1993-12-01), Perazzo
Elkins Gary E.
MacMillan Bloedel Limited
McDonald Christopher
Rowley C. A.
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