Envelopes – wrappers – and paperboard boxes – Paperboard box – End structure
Patent
1975-01-20
1976-01-06
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Paperboard box
End structure
229 23R, 229 21, B65D 512, B65D 1304
Patent
active
039306070
ABSTRACT:
A tubular fiberboard container is formed from a tubular body having, at at least one end thereof, a flat, disk-shaped end closure supported by closure supporting panels formed from the same piece of blank material as the tubular body, or supported in part by such panels and in part by a metal band or clamp.
REFERENCES:
patent: 827984 (1906-08-01), Maxwell et al.
patent: 1504491 (1924-08-01), Nicholson
patent: 2163703 (1939-06-01), Ringler
patent: 2726803 (1955-12-01), Ketler
patent: 3006522 (1961-10-01), Armeson
patent: 3157340 (1964-11-01), Gay, Jr. et al.
patent: 3327893 (1967-06-01), Graves
patent: 3451610 (1969-06-01), Beicher et al.
patent: 3465944 (1969-09-01), Robinson
Moorhead Davis T.
Phillips Petroleum Company
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