Envelopes – wrappers – and paperboard boxes – Paperboard box – Separate reinforcing element
Patent
1998-10-28
2000-05-16
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Separate reinforcing element
229919, B65D 550
Patent
active
060624698
ABSTRACT:
A square or rectangular bulk shipping container made of rigid packaging material having supporting side beams positioned vertically about the side wall panels of the container. The side beams are made of a rigid material and act to distribute lateral bulge forces evenly throughout the container to prevent bulging.
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Apostoluk Peter Roman
Hafer Harold Franklin
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