Patent ID: 8178189
Filing Date: 2012-05-15
Classification: B32B,Y10T

Abstract:
1. A laminate usable as a diaper closure, the laminate comprising: a pair of generally contiguous outer fleece layers having longitudinally extending and parallel outer edges; a core layer of a plurality of longitudinally extending and transversely spaced foil strips consisting of a mixture of LD and LLD polyethylene and 0.5% to 5.0% by weight polyisobutylene extending between the outer layers substantially a full width of the outer layers between the edges, the foil strips having a thickness between 5 μm and 20 μm; and bonds of an elastomeric hot-melt glue between the strips forming the core layer and each of the outer layers, the laminate having semielastic regions activated by transverse stretching such that the laminate elastically returns to between 20% and 60% of its original length after elongation of 100%, and unactivated regions in which the laminate is not stretchy.