Envelopes – wrappers – and paperboard boxes – Paperboard box – Variable volume
Patent
1998-08-28
2000-01-25
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Variable volume
229109, 229178, 229906, B65D 522
Patent
active
060169516
ABSTRACT:
A non-rectangular, non-collapsible, expandable box having a roll-over expandable wall section comprising a roll-over wall structure, a single-panel wall structure, and an angle-changeable wall structure. The roll-over wall structure comprises parallel inner and outer wall panels, the single-panel wall structure comprises a wall panel and a corner flap panel attached thereto, and the angle-changeable wall structure comprises a plurality of foldline-connected movable panels that is movable from a first disposition to a second disposition. A method of use is associated with the box. The primary purpose of the box is for packaging pizza and similar products.
REFERENCES:
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patent: 5000374 (1991-03-01), Deiger
patent: 5110039 (1992-05-01), Philips
patent: 5118032 (1992-06-01), Geho
patent: 5211329 (1993-05-01), Patton
patent: 5535940 (1996-07-01), Olds
patent: 5553771 (1996-09-01), Correll
patent: 5586716 (1996-12-01), Correll
patent: 5595339 (1997-01-01), Correll
patent: 5713509 (1998-02-01), Correll
patent: 5823421 (1998-10-01), Shilcock
patent: 5833130 (1998-11-01), Correll
patent: 5918797 (1999-07-01), Correll
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