Envelopes – wrappers – and paperboard boxes – Paperboard box – Lifting or suspending element
Patent
1996-08-30
1997-09-09
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Lifting or suspending element
229185, B65D 536
Patent
active
056647263
ABSTRACT:
A collapsible box construction in which a flat blank, made of a suitably rigid material, is assembled to form a box. The box construction can be assembled and stored in a flat configuration and thereafter erected into the box in a simple, efficient manner. Additionally, the initial assembly of the blank into the box construction provides stability and rigidity without requiring that one or more bottom flaps be glued or otherwise fixedly mounted together.
REFERENCES:
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patent: 3178096 (1965-04-01), Reeves et al.
patent: 3790064 (1974-02-01), Kramer
patent: 3960313 (1976-06-01), Sax et al.
patent: 4040560 (1977-08-01), Grossman et al.
patent: 4354630 (1982-10-01), Roccaforte
patent: 4583678 (1986-04-01), Weimer, Jr.
patent: 5145110 (1992-09-01), Terpstra
DeWitt Packaging Corp.
Elkins Gary E.
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