Self locking cover/bottom for fibre drums

Details Self locking cover/bottom for fibre drums Self locking cover/bottom for fibre drums

1988-03-02

1989-08-01

Elkins, Gary

Envelopes, wrappers, and paperboard boxes

Paperboard box

End structure

206598, 220306, 220359, 22912528, B65D 312

Patent

active

048527920

ABSTRACT:
A self locking cover/bottom for a fibre drum includes substantially perpendicular projections with inwardly tapered portions which, when in registry with notched portions in the fibre shell sidewall, engage the notched portions (which can bend inwardly) such that an airtight seal can be formed for the drum. An optional feature is the provision of a channel in the bottom to accommodate a tine of a fork lift truck.

REFERENCES:
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patent: 4241864 (1980-12-01), Kessler
patent: 4355759 (1982-10-01), Amberg
patent: 4380447 (1983-04-01), Vanderlugt, Jr.
patent: 4431113 (1984-02-01), Sims, Jr.
patent: 4585138 (1986-04-01), Jonkers

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