Multi-density batt

Details Multi-density batt Multi-density batt

1996-02-13

1998-04-21

Bell, James J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 628, 156177, 156178, 156296, 1563096, B32B 1700

Patent

active

057413800

ABSTRACT:
A multi-density batt having a plurality of overlaid thermoplastic fiber web layers. Each of the web layers comprise a homogeneous blend of matrix fibers and binder fibers. The binder fibers have a relatively low predetermined melting temperature and the matrix fibers have a relatively high predetermined melting temperature. The binder fibers and matrix fibers are heat-fused together. The batt has a width defining a cross direction and a length defining a machine direction. At least one integrally-formed, relatively thick, high density region extends in both the cross direction and machine direction of the batt. At least one integrally-formed relatively thin, low density region extends in both the cross direction and machine direction. The batt can be used to form a cushion, such as a seat cushion.

REFERENCES:
patent: 4668562 (1987-05-01), Street
patent: 4753693 (1988-06-01), Street
patent: 5079074 (1992-01-01), Steagall et al.

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