Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Patent
1994-09-23
1998-02-03
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
229120, 229152, 229906, 229935, B65D 522, B65D 542
Patent
active
057135096
ABSTRACT:
A type of box comprising at least five walls yet with the capability of having the appearance of a square box, with a convertible corner feature that allows conversion of a diagonal wall to a square corner for carrying extra items, and with sloping side walls that allow multiple blanks to be inverted and mated for material savings. Also disclosed is a method for partially folding and nesting the box for conserving storage space used for set up boxes and a method for expanding and contracting the size of the inner cavity of the box.
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