Formable sheet-form textile material for lining noise-affected r

Details Formable sheet-form textile material for lining noise-affected r Formable sheet-form textile material for lining noise-affected r

1991-07-09

1993-07-27

Lesmes, George F.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

428 97, 428282, 428300, 428301, 4283084, 4283186, B32B 3300, B32B 52, B32B 514, D04H 116

Patent

active

052309401

ABSTRACT:
A formable sheet-form textile material for lining noise-affected rooms, particularly the passenger compartment of motor vehicles, consisting of a fabric, a needled or tufted layer as the visible surface, at least one thermoformable and foam-backable layer and a foamed backcoating, in which the layer serving as the visible surface consists of needlefelt or of a tufted surface (2) needled into felt as the backing layer (1), to the back of which a layer (3) of foamed latex, an impermeable barrier layer (4) and, optionally, the foamed backcoating (5) are applied. The backing layer may also be a thin layer of a lightly bonded felt onto which a thicker layer of an unbonded felt is laminated by means of a binder which simultaneously binds the needling into the backing layer. The layers have a permeability to sound which continuously decreases from the backing layer (1) to the backcoating (5). The barrier layer (4) is formed by a film or by a coating of unfoamed latex.

REFERENCES:
patent: 1832571 (1931-11-01), Nash
patent: 2980575 (1961-04-01), Petry
patent: 4445959 (1984-05-01), Hombach et al.
patent: 4463049 (1984-07-01), Kracke

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