Tubular lining material and a method for impregnating the same w

Details Tubular lining material and a method for impregnating the same w Tubular lining material and a method for impregnating the same w

1992-12-07

1994-10-11

Lusignan, Michael

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

138125, 138145, 156 94, 156287, 427140, 427238, B29D 2200, B29D 2300, B32B 108

Patent

active

053545869

ABSTRACT:
A tubular liner for lining the inner wall of a pipe such as sewer pipe made up of a flexible tubular resin-absorbent fabric to be impregnated with a thermosetting liquid resin and a tubular plastic film welded on the external surface of the tubular resin-absorbent fabric; also disclosed are the methods for making such tubular liner and for impregnating such tubular liner with the thermosetting liquid resin, and in particular the impregnation method is characterized by using a plurality of vacuum suction hoses.

REFERENCES:
patent: 4366012 (1982-12-01), Wood
patent: 4723579 (1988-02-01), Hyodo et al.
patent: 5077107 (1991-12-01), Kaneda et al.
patent: 5163481 (1992-11-01), Catallo
patent: 5186987 (1993-02-01), Imoto et al.

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