Process for everting a lining into a conduit utilizing two injec

Details Process for everting a lining into a conduit utilizing two injec Process for everting a lining into a conduit utilizing two injec

1981-04-08

1982-11-30

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156218, 156281, 156287, 156294, 156378, 156497, 1565833, B29C 1707

Patent

active

043614515

ABSTRACT:
Process for internally lining a conduit by bonding with a resin to the inner wall of the conduit, of a fluidtight inner lining sleeve under the urging of at least one pressurized fluid acting on the inner wall of the sleeve through an inflatable envelope. The temperature in the envelope required for polymerization of the resin, and the pressure inside the inflated envelope may be controlled.

REFERENCES:
patent: 2343225 (1944-02-01), Pray et al.
patent: 2417881 (1947-03-01), Munger
patent: 3258377 (1966-06-01), Scott
patent: 3471407 (1969-10-01), Spring
patent: 3511734 (1970-05-01), Darrow
patent: 3535161 (1970-10-01), Gutrich
patent: 3600225 (1971-08-01), Parmelee
patent: 4135958 (1979-01-01), Wood
patent: 4273605 (1981-06-01), Ross

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