Process for joining polyurethane coated fabrics

Details Process for joining polyurethane coated fabrics Process for joining polyurethane coated fabrics

B - Operations, Transporting

29

C

12/104

B29C 65/72 (2006.01) A43B 7/12 (2006.01)

Patent

CA 1201260

Abstract of the Disclosure A process for forming a strong, pressure-tight joint between fabric substrates includes coating each substrate with polyurethane on one side, superimposing the fabric substrates so that the polyurethane layers are together, welding elongated regions of the poly- urethane together under heat and pressure and sewing through the weld. The edge is then folded over and bonded to itself and the material is spread out. The resulting material can be bonded to a sole to form a waterproof, lightweight boot.

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