Apparatus for manufacturing tubular lining material

Details Apparatus for manufacturing tubular lining material Apparatus for manufacturing tubular lining material

1988-04-05

1989-10-03

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Chamber enclosing work during bonding and/or assembly

15624414, 15624421, 156287, 156390, 156436, 264511, 264516, 264173, 425113, 425504, 4251331, 425393, B29C 4702

Patent

active

048714135

ABSTRACT:
A tubular lining material and a method and apparatus for manufacturing same, the tubular lining material being suitable for reinforcing pipe lines and comprising a tubular textile jacket having on the external surface thereof a coating of plural synthetic resins in the form of laminated layers, characterized in that the outermost layer of the coating is composed exclusively or predominantly of a thermoplastic polyester elastic resin and the innermost layer of the coating is composed exclusively or predominantly of a thermoplastic polyurethane elastic resin, the coating having been bonded superificially onto the external surface of the tubular textile jacket. The tubular lining material is manufactured by simultaneously extruding plural synthetic resins in an annularly layered form superficially onto the external surface of the tubular textile jacket, using an apparatus provided with an annularly arranged multiple extruders. The tubular lining material is significantly improved in flexibility and adhesion to the tubular textile jacket.

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