Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1996-03-27
1998-06-16
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
22912538, 2291981, 2291983, C65D 542, C65D 568
Patent
active
057657483
ABSTRACT:
A box cover having a cover plate, multiple side plates, a fixing device, at least one fixing string, and optionally multiple fold lines for the convenience of assembly of the box cover. The side plates are installed on the periphery of the cover plate and the number of side plates varies according to the geometry of the cover plate. At least one fixing string is located along the side plate and the fixing device is used to fix the fixing string on the side plate in an encircling manner in which the fixing string can move freely in the axial direction. To assemble the box cover, the user need only pull the fixing string outward to tighten the fixing string such that the planar box cover becomes a three dimensional box cover.
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