Manufacture of tubular laminates

Details Manufacture of tubular laminates Manufacture of tubular laminates

1982-03-30

1984-05-01

Dawson, Robert A.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

112424, 112426, 112428, 138128, 138151, 156 93, 156203, 156218, 156294, 1563042, 1563043, 428104, B32B 708, F16L 700

Patent

active

044461810

ABSTRACT:
A tubular lining for lining passages is formed, such liner being constructed from a laminate comprising a resin absorbent layer and an impermeable skin. The laminate is wrapped to tubular form with the skin outermost and the free edges are butted together and are connected in this condition by a sewing operation. A sealing ribbon as applied over the sewing to seal the seam and stitching to prevent the flow of liquid or synthetic resin through the seam when the lining is used.

REFERENCES:
patent: 3246621 (1966-04-01), Copeland
patent: 3420731 (1969-01-01), Kuhn
patent: 4009063 (1977-02-01), Wood

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