Method and device for stabilization of pile goods such as...

Details Method and device for stabilization of pile goods such as... Method and device for stabilization of pile goods such as...

2006-07-11

2006-07-11

Juska, Cheryl A. (Department: 1771)

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

C442S408000

Reexamination Certificate

active

07074473

ABSTRACT:
A pile carpet after tufting or the like is usually provided on the back with a latex precoat for stabilization and then provided with a foam back or an additional jute fabric. This environmentally hazardous method and the problem of recycling the foam back as well as the latex layer can be avoided If a nonwoven is applied instead to the tufted back of the carpet by water needling. This is possible with water needling in that the solidification of the pile fibers in or on the primary carrier takes place but no nonwoven fibers reach the visible side of the carpet. The back layer to be needled can also be made thicker and mote voluminous. Instead of a carpet, any other pile goods can also be stabilized in this fashion.

REFERENCES:
patent: 3394043 (1968-07-01), Parlin
patent: 3707746 (1973-01-01), Summers
patent: 3751777 (1973-08-01), Turmel
patent: 3847719 (1974-11-01), Crowley
patent: 3944452 (1976-03-01), Toland
patent: 4145468 (1979-03-01), Mizoguchi
patent: 4146663 (1979-03-01), Ikeda
patent: 4147575 (1979-04-01), Hurtes
patent: 4233349 (1980-11-01), Niederhauser
patent: 4591513 (1986-05-01), Suzuki
patent: 5458944 (1995-10-01), Austin
patent: 5470648 (1995-11-01), Pearlman et al.
patent: 5789328 (1998-08-01), Kurihara
patent: 538 625 (1993-04-01), None

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