Envelopes – wrappers – and paperboard boxes – Paperboard box – End structure
Patent
1980-09-19
1981-12-15
Ross, Herbert F.
Envelopes, wrappers, and paperboard boxes
Paperboard box
End structure
220306, B65D 4116
Patent
active
043055354
ABSTRACT:
An improved drum closure assembly which includes a ring member and a cover member, the cover member being cooperatively sized for a fitted, overlapping relationship with the ring member. The ring member comprises outer and inner ring portions which are angularly displaced from parallel to one another. The cover member includes a top cover member and an annular wall member designed to about the outer ring portion of the ring member and to seal the assembly when in use.
REFERENCES:
patent: 3297193 (1967-01-01), Stevens, Jr.
patent: 3358875 (1967-12-01), Ekstrom
patent: 3843013 (1974-10-01), Brooks, Jr.
patent: 3880288 (1975-04-01), Hunter
patent: 4030850 (1977-06-01), Hyde
patent: 4042169 (1977-08-01), Burgdorf
patent: 4094460 (1978-06-01), Scanga et al.
patent: 4166548 (1979-09-01), Crisci
patent: 4182475 (1980-01-01), Freund
Brundige Daniel G.
Freund Donald F.
Nelson Douglas G.
Cagle Stephen H.
Palmer Wilson G.
Ross Herbert F.
Shane, Jr. C. N.
The Mead Corporation
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