Fastener for tube plug

Details Fastener for tube plug Fastener for tube plug

1993-06-21

1995-06-13

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

376203, 411338, 411339, 411201, F16L 5512

Patent

active

054233518

ABSTRACT:
A fastener for fastening together a plurality of members, such as the plurality of members comprising a tube plug, and a method for plugging an opening in a solid member, which may be a tube, for preventing the flow of fluid through the opening in a solid member or through the tube, such as a nuclear steam generator tube, comprises a first member, such as a shell, a second member, such as a bolt, and locking structure. A deformable tab portion of the locking structure may have an undercut positioned so that when the second member is installed within the first member, a first surface of the undercut is bent toward a second surface of the undercut thereby plastically deforming the tab portion into a recess in at least one of the first and the second members for automatically securing together the plurality of members.

REFERENCES:
patent: 467130 (1892-01-01), Finnigan
patent: 1259214 (1918-03-01), DeRoja
patent: 1718171 (1929-06-01), Mills
patent: 1951228 (1934-03-01), Woodward
patent: 2730419 (1956-01-01), Wathrows et al.
patent: 3221589 (1965-12-01), Vader Sande et al.
patent: 3702087 (1972-11-01), Schmitt
patent: 3771410 (1973-11-01), Swindt
patent: 4358079 (1982-11-01), Navarro

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