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US 7,718,249 B2Granted
Nonwoven spacer fabric
AssigneeNonwovens Innovation & Research Institute Limited
InventorsStephen J. Russell, Alireza Pourmohammadi, Ningtao Mao, Idris A. Ahmed, Manoj K. Rathod
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Abstract
The invention provides a non-woven fabric comprising at least two separate but interconnected layers, each of the layers being provided with discrete interconnections so as to provide discrete voids between the two layers of fabric.
Claims32
A nonwoven fabric comprising:
- at least two separate but interconnected fibrous layers having discrete voids between the fibrous layers, wherein the fibrous layers comprise a base layer and an upper layer;
- wherein said base layer and upper layer comprise a continuous array of hydroentangled and consolidated fibers;
- and
- wherein the base layer is disposed below the voids, the upper layer is disposed over the voids, and the base layer and the upper layer are interconnected between the voids such that the voids are bounded in all directions by hydroentangled and consolidated fibers.
1 more element
Dependencies are inferred from the claim text.