Patent ID: 7452835
Filing Date: 2008-11-18
Classification: B32B,D04H,Y10T

Abstract:
1. A limited use nonwoven insulative blanket, comprising: a first spunlace layer having an inner surface and outer surface, wherein said spunlace layer comprises a hydroentangled carded fibrous matrix comprising staple fibers, and wherein the spunlace layer is quilted as a mechanical post-treatment thereof; a second continuous filament layer having an inner surface and outer surface, wherein the inner surface of the continuous filament layer is positioned face-to-face with the inner surface of the spunlace layer; and the spunlace layer is bonded to the continuous filament layer in a pattern forming two or more insulative pockets comprising unbonded areas within the blanket, wherein said pockets enhance the insulative properties of the blanket, and wherein the blanket has a basis weight of about 85 to 200 gsm.