Corrosion inhibitor retaining seal

Details Corrosion inhibitor retaining seal Corrosion inhibitor retaining seal

1996-04-10

1998-06-23

Dye, Rena L.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 3691, 428 3692, 428 43, 52100, 5222313, 5222314, 52301, 138 96R, E04C 508

Patent

active

057702861

ABSTRACT:
A seal for use on a tubular member in post-tension construction including a cap having a tubular body and a surface extending across the of the tubular body, and a corrosion-resistant material contained within the interior area of the cap. The surface closes an end of the tubular body. The surface has a frangible area formed thereon. The surface extends transverse to a longitudinal axis of the tubular body at one end of the tubular body. The frangible area has a thickness less than a thickness of a non-frangible remainder of the surface. The cap is formed of a polymeric material. The surface is formed of a deformable polymeric material such that the non-frangible portion of the surface forms a liquid-tight seal with an outer diameter of a tendon extending through the surface. The corrosion-resistant material is contained within the cap of a suitable volume so as to fill a void in the tubular member between the inner diameter of the tubular member and the outer diameter of a tendon extending therethrough.

REFERENCES:
patent: 4773198 (1988-09-01), Reinhardt
patent: 5072558 (1991-12-01), Sorkin et al.
patent: 5263291 (1993-11-01), Knight
patent: 5271199 (1993-12-01), Northern
patent: 5440842 (1995-08-01), Sorkin
patent: 5630301 (1997-05-01), Sieg

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