Sealing plug for threaded holes

Details Sealing plug for threaded holes Sealing plug for threaded holes

1994-07-29

1996-06-11

Shoap, Allan N.

Receptacles

Closures

Externally adjustable plug or gasket

138 96T, 376203, B65D 5300

Patent

active

055247857

ABSTRACT:
A device for preventing moisture, debris or other liquids from entering a hole adapted to receive a threaded member. The device comprises an interior plug having an external thread, an exterior plug having substantially the same diameter as the hole and suitably adapted such the top surface of the exterior plug is adapted to translate toward the interior plug when the threaded member is inserted into the hole. A resilient means, such as a spring, returning the exterior plug to a position such that its top surface is co-planar with the surface surrounding the hole when the threaded member is withdrawn from the hole.

REFERENCES:
patent: 782349 (1905-02-01), Marshall
patent: 815172 (1906-03-01), Huffman
patent: 1971830 (1934-08-01), Pailin
patent: 2400318 (1946-05-01), Rosan
patent: 2679192 (1954-05-01), Seeley et al.
patent: 2802401 (1957-08-01), Cabaniss et al.
patent: 3091213 (1963-05-01), Maskell et al.
patent: 3353566 (1967-11-01), Cepkauskas et al.
patent: 4040462 (1977-08-01), Hattan
patent: 4948550 (1990-08-01), Worthy
patent: 5217676 (1993-09-01), Morandiere
patent: 5305678 (1994-04-01), Talbot et al.

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