Patent ID: 9616638
Date: 2017-04-11
CPC Classifications: B29C,B29K,B32B,D21F,Y10T

Claim:
1. A nonwoven industrial fabric comprising a first layer secured to a second layer, with each layer comprising a plurality of profiling protrusions, with each profiling protrusion forming at least one flow-through aperture, wherein: (a) at least a portion of the flow-through apertures of the first layer is aligned with at least a portion of the flow-through apertures of the second layer; (b) in addition to the plurality of profiling protrusions, the first layer also comprises a plurality of deformable securing protrusions integral to the first layer; (c) the second layer comprises a plurality of detents integral to the second layer; and (d) the first layer is secured to the second layer by a plurality of locking pairs, each locking pair comprising a deformed securing protrusion lockably engaged with a detent.