Method and apparatus for repairing casings and the like

Details Method and apparatus for repairing casings and the like Method and apparatus for repairing casings and the like

1991-08-09

1993-05-11

Kundrat, Andrew V.

Joints and connections

Axially split or separable member

403 24, 160383, 24265C, B25G 300

Patent

active

052096009

ABSTRACT:
An improved and process for creating a lining in a bore transfers strip wrapped in overlapping spiral fashion about a mandrel to the bore wall such that the edge-to-edge relation of the spirally-wrapped strip is maintained from the mandrel to the bore wall. Adhesive is applied to the strip surface during wrapping thereof on the mandrel. The invention provides a new bore with a thin, strong, corrosion resistant lining over a preselected portion of its length that is substantially pressure tight internally and externally and leak proof thus permitting substantial reuse of the lined bore.

REFERENCES:
patent: 1032078 (1912-07-01), Osborn
patent: 2830350 (1958-04-01), Wootton
patent: 3084739 (1963-04-01), Jaworski
patent: 4142880 (1964-08-01), Davies

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