Inflatable packer with liquid resin anchored reinforcing sheath

Details Inflatable packer with liquid resin anchored reinforcing sheath Inflatable packer with liquid resin anchored reinforcing sheath

1981-09-09

1983-02-08

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 1, 277 9, 277 31, 277230, 166120, 166187, 285294, F16J 1546, E21B 3312

Patent

active

043725627

ABSTRACT:
An inflatable packer includes a reinforcing element constructed from first and second layers of alternately biased calendered steel cables. Fixed and sliding end shoes each are a single machined structure and include a roughened inner cylindrical surface disposed about an end of the reinforcing element. Upper and lower hardened rings, formed from a liquid adhesive, have the ends of the reinforcing element embedded therein and are bonded to the end shoes.

REFERENCES:
patent: 4191383 (1980-03-01), Baker et al.
patent: 4260164 (1981-04-01), Baker et al.
Exhibit A to Prior Art Statement, TAM International, Houston, Tex., No Date Given, No Publication Number, One Page Copy of Photograph.

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