Stretchable laminate constructions and manufacturing process

Details Stretchable laminate constructions and manufacturing process Stretchable laminate constructions and manufacturing process

B - Operations, Transporting

32

B

154/119, 154/84,

B32B 3/26 (2006.01) A41D 31/00 (2006.01) B32B 5/04 (2006.01) B32B 7/14 (2006.01) B32B 37/14 (2006.01) D06N 3/00 (2006.01) D06N 3/04 (2006.01) D06N 3/14 (2006.01) D06N 7/00 (2006.01)

Patent

CA 2022057

ABSTRACT Stretchable laminate constructions (10) and a process for their manufacture based on an elastic fabric (14) and a substantially non-elastic film (12) which are held in intimate contact with one another by means of a discontinuous pattern of adhesive (16) are disclosed. When the laminate constructions (10) of the invention are in a relaxed state, the length of the film (12) between adjacent adhesion points (16) along the direction of stretch of the elastic fabric (14) is substantially equivalent to the length of the elastic fabric (14) between the same adhesion points (16) when the construction (10) is extended to its elastic recovery limit. A preferred embodiment of the invention utilizes waterproof breathable non-elastic membranes (12) to produce laminate constructions (10) suitable for clean room and protective garment applications.

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