Envelopes – wrappers – and paperboard boxes – Paperboard box
Patent
1988-10-17
1990-01-02
Marcus, Stephen
Envelopes, wrappers, and paperboard boxes
Paperboard box
229 23R, 229199, 22912022, 22912038, 220441, 220 71, B65D 610
Patent
active
048907871
ABSTRACT:
A shipping container for shipping bulk loads of pelletized, granular, powdered or other particulate material including an outer corrugated box and an inner cylindrical paper cylinder extending to the inner walls of the box. The container is characterized by its significantly increased resistance to outward bulging of the side walls by the weight of the material contained therein.
REFERENCES:
patent: 140736 (1873-07-01), Snow
patent: 2620119 (1952-12-01), George
patent: 4729505 (1988-03-01), Remaks et al.
patent: 4742951 (1988-05-01), Kelly et al.
Marcus Stephen
Shippers Paper Products Company
Stemann Kathryn M.
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