Anti-extrusion apparatus made from PTFE impregnated steel mesh

Details Anti-extrusion apparatus made from PTFE impregnated steel mesh Anti-extrusion apparatus made from PTFE impregnated steel mesh

1996-03-07

1997-10-14

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277235R, 277DIG6, 298883, F16J 1520

Patent

active

056763840

ABSTRACT:
A low friction, dry lubricant impregnated anti-extrusion apparatus for engagement with an annular seal or packer, wherein said packer is used to seal the annular space of a well or pipe bore. The low friction, dry lubricant impregnated anti-extrusion apparatus being designed to generally avoid absorption of the compression setting forces, wherein the compression setting forces are in turn substantially transmitted through the anti-extrusion apparatus to the packer to effect radial expansion of the packer to seal the annular space, while generally preventing the extrusion of the packer at high pressures and avoiding high frictional contact between the anti-extrusion apparatus and an inner surface of the well or pipe bore.

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