Drum closure assembly

Details Drum closure assembly Drum closure assembly

1979-09-24

1981-02-24

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Paperboard box

End structure

229 43, 229 58, 220306, B65D 4116, B65D 502

Patent

active

042522650

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 abut 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

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