Breathable fabric lamination, apparatus and methods

Details Breathable fabric lamination, apparatus and methods Breathable fabric lamination, apparatus and methods

B - Operations, Transporting

32

B

B32B 5/22 (2006.01) B32B 7/12 (2006.01) B32B 9/00 (2006.01) B32B 37/12 (2006.01) D06M 17/00 (2006.01)

Patent

CA 2452122

A breathable laminate comprises at least two porous webs laminated together with a porous adhesive matrix, preferably a random fibrous adhesive pattern having a coat weight of between 1.5 and 12 grams per square meter. The two or more porous webs comprise woven or non-woven materials and the resulting breathable fabric or laminate has good hand and flexibility. Breathable fabric is adhered to foam by such random fibrous adhesive patterns of similar coat weights. Coating widths of up to 80 inches or more are produced in a slot die fed by a selected plurality of recessed lands within the die, with motors and pumps controlled to maintain consistent, uniform coat weights regardless of coat widths and substrate speeds selected. Single ply coated webs, apparatus and methods are disclosed.

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