Methods for coating and laminating flexible, tubular-shaped...

Details Methods for coating and laminating flexible, tubular-shaped... Methods for coating and laminating flexible, tubular-shaped...

B - Operations, Transporting

32

B

154/53, 220/6

B32B 1/08 (2006.01) B29C 63/06 (2006.01) B29D 23/00 (2006.01)

Patent

CA 1311673

METHODS FOR COATING AND LAMINATING FLEXIBLE, TUBULAR-SHAPED ARTICLES; COATED FLEXIBLE TUBULAR-SHAPED ARTICLES AND FLEXIBLE MULTILAYER ARTICLES OF FLAT OR TUBULAR SHAPE ABSTRACT OF THE DISCLOSURE Method for (1) extrusion coating flexible, tubular-shaped articles without producing fragile edges or weakened areas in the coating or in the material of the article and to coated articles manufactured thereby; (2) method for extrusion coating and laminating tubular-shaped articles; and (3) flexible, multilayer articles of flat or tubular shape composed of a plurality of layers of plastic fabric or other material laminated together by one or more intermediate, fully embedded barrier layers. The method comprises covering the surface of the flexible, tubular-shaped article in at least three contiguous sections around the circumference of the article to provide a substantially continuous covering without weakened areas through which leakage can occur.

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