Grout packer

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

Patent

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Details

405195, 405227, E02B 1702, E02D 552

Patent

active

049681842

ABSTRACT:
An inflatable grout packer includes a housing having an inner bore. An annular inflatable bladder is received in the inner bore of the housing. The bladder has an inflation cavity defined therein for containing an inflatation fluid. The bladder has first and second axial ends and has radially inner and outer walls. The bladder provides a seal between the housing and an elongated cylindrical member, typically a piling, received through the bladder. First and second end rings are sealingly bonded to the first and second ends of the bladder and also sealingly attach to the housing so that a backup seal is thereby provided against leakage of inflation fluid through the radially outer wall of the bladder. An inflation coupling is attached to the radially outer wall.

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Exhibit A--Promotional Brochure of Halliburton Services.
Exhibit B--Promotional Brochure of Oil States Industries Division of LTV Energy Products of Arlington, Tex.

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