Debris cap

Details Debris cap Debris cap

1989-04-10

1990-05-01

Marcus, Stephen

Receptacles

Closures

Secondary closure within parameter of primary closure

220336, B65D 5118

Patent

active

049211200

ABSTRACT:
A cap for an opening in a first structure access to which is through another structure having an opening therein which is smaller than the opening in the first structure. The cap is made of a segmented ring the segments of which can be separated and inserted through the opening in the second structure. The segments form a ring which is at least as large as the opening in the first structure and which has an opening therein for access to the opening in the first structure. Each ring segment has a locking member detachably engageable with a strike on an adjoining segment. The locking members hold ring segments together and substantially cover the opening in the ring when engaging their respective strikes on adjacent ring segments.

REFERENCES:
patent: 882547 (1908-03-01), Chellis
patent: 1152286 (1915-08-01), Brownson
patent: 1160061 (1915-11-01), Friberg
patent: 2078211 (1937-04-01), Williams

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