F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
26/155, 189/44
F16L 55/00 (2006.01) B32B 7/08 (2006.01)
Patent
CA 1134290
ABSTRACT Manufacture of Tubular Laminates 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.
347557
George H. Riches And Associates
Insituform International Inc.
LandOfFree
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