Apparatus and method for protecting exposed sections of a nut an

Details Apparatus and method for protecting exposed sections of a nut an Apparatus and method for protecting exposed sections of a nut an

1997-01-21

1998-05-19

Saether, Flemming

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Internally threaded fastener element, e.g., nut, etc.

Having cap

411373, A61B 3714

Patent

active

057527954

ABSTRACT:
A cap device for covering the exposed sections of a nut and bolt assembly and preventing oxidation of those exposed sections. The cap device incudes at structure having a first end that is opened and an opposite second end that is at least partially opened. The cap structure defines a chamber in between the first end and the second end that is sized to receive a nut and a segment of a bolt that extends through the nut. The chamber inside the cap structure is at least partially filled with a viscous material that creates an air impervious seal between the cap structure and the nut and bolt assembly. As the cap structure is advanced over a nut and bolt assembly, the viscous fill material is displaced from the chamber through the second end of the cap structure. Once fully seated, a closure element is used to seal the second end of the cap structure. The presence of the closure element creates a vapor lock type of seal that helps retain the cap structure in place.

REFERENCES:
patent: 972140 (1910-10-01), Adam
patent: 1062039 (1913-05-01), Schimmel
patent: 1254514 (1918-01-01), Lehmann
patent: 2456234 (1948-12-01), Young
patent: 2551834 (1951-05-01), Ferguson
patent: 3457823 (1969-07-01), Dillon
patent: 4214505 (1980-07-01), Aimar
patent: 4400123 (1983-08-01), Dunegan
patent: 5028093 (1991-07-01), Nason
patent: 5273384 (1993-12-01), Dunbar

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