Pipe liner

Details Pipe liner Pipe liner

1988-08-23

1990-11-27

Bryant, III, James E.

Pipes and tubular conduits

Repairing

Patches

138103, 138124, 138177, 138178, 428 349, 428913, 174DIG8, F16L 1100

Patent

active

049728806

ABSTRACT:
A pipe liner for insertion into a pipe to be relined which includes an elastomeric tube encompassed by a lattice of fibre material which radially contracts upon elongation and which is impregnated with a resin that is partially polymerized when the lattice is in its elongated and radially contracted condition to maintain the combination in that condition until has been inserted into a pipe at which the time the liner is softened upon additional polymerization to permit expansion of the liner into contact with the damaged pipe to be lined.

REFERENCES:
patent: 3473087 (1969-10-01), Slade
patent: 3555170 (1971-01-01), Petzetakes
patent: 4009063 (1977-02-01), Wood
patent: 4059847 (1977-11-01), Phillips et al.
patent: 4092193 (1978-05-01), Brooks
patent: 4207364 (1980-06-01), Nyberg
patent: 4361451 (1982-11-01), Rensud
patent: 4386629 (1983-06-01), Cook et al.
patent: 4413019 (1983-11-01), Brenner
patent: 4471087 (1988-05-01), Plummer
patent: 4723579 (1988-02-01), Hyodo et al.
patent: 4789007 (1988-12-01), Cretel

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