Access port sealing device

Details Access port sealing device Access port sealing device

1990-06-11

1991-10-15

Marcus, Stephen

Receptacles

Closures

Externally adjustable plug or gasket

220234, 220259, 220344, 251 99, 251114, 251299, B65D 5300

Patent

active

050566784

ABSTRACT:
An access port cover is fitted with a sealing plug that is adapted to fit inside a conduit to provide an occluding seal. The conduit is also fitted with an inner flap that is automatically closed and latched when the cover is closed and latched. In a preferred embodiment, a ridge in the inner wall of the conduit cooperates with a support plate to compress the plug between the cover and the plate, extruding the plug radially into sealing engagement with the inner wall of the conduit.

REFERENCES:
patent: 1737123 (1929-11-01), Page, Jr.
patent: 3010694 (1961-11-01), Lynch
patent: 4098427 (1978-07-01), Duckworth, Jr.
patent: 4127215 (1978-11-01), Morrison
patent: 4145259 (1979-03-01), Leumann
patent: 4188675 (1980-02-01), Ast
patent: 4567994 (1986-02-01), Hofmann
patent: 4690296 (1987-09-01), Elliott

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