Tubular liner and a method for connecting ends of liner tubes

Details Tubular liner and a method for connecting ends of liner tubes Tubular liner and a method for connecting ends of liner tubes

1996-02-15

1998-07-14

Dye, Rena

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 361, 428 3691, 428 58, 428 61, 428102, 138 98, 138150, 138154, F16L 5516, F16L 920

Patent

active

057801231

ABSTRACT:
A tubular liner, for lining the inner wall of a pipe, comprises a plurality of composite liner tubes, each liner type contains an inner layer of a resin-absorbable sheet and an outer layer of hermetic plastic film. The composite liner tubes are joined by spirally stitched abutting ends. In an embodiment, the inner resin-absorbable sheets are joined. An adhesive can be applied to the inner and outer walls of the resin-absorbable sheet along the stitched spiral seam.

REFERENCES:
patent: 5356502 (1994-10-01), Kamiyama et al.
patent: 5397612 (1995-03-01), Small et al.

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