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US 5,470,648 AGranted
Composite fabrics of nonwoven nylon layers and fiberglass scrim
AssigneeE. I. Du Pont de Nemours and Company
InventorsPaul S. Pearlman, Vijayendra Kumar
Life of this patent
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Abstract
This invention relates to composite fabrics having two layers of nonwoven fabric comprising entangled non-bonded nylon filaments and a reinforcing layer of fiberglass scrim adhesively attached to each of the nonwoven layers. The composite fabrics are useful as backings in a carpet assembly.
Claims7
A composite fabric, comprising:
- a) a first layer of a nonwoven fabric comprising entangled, non-bonded nylon filaments;
- b) a second layer of fiberglass scrim comprising an array of intersecting continuous multifilament glass strands;
- and
- c) a third layer of a nonwoven fabric comprising entangled, non-bonded nylon filaments, wherein each layer of nonwoven fabric is adhesively attached to the layer of fiberglass scrim at a contact surface along said fabrics and scrim in such a manner that individual nylon filaments within the first and third layers of nonwoven fabric are mobile between the strands in the scrim.
1 more element
Dependencies are inferred from the claim text.