Method for manufacturing a solidified fiber fleece, the resultin

Details Method for manufacturing a solidified fiber fleece, the resultin Method for manufacturing a solidified fiber fleece, the resultin

1996-01-11

1998-06-23

Lee, Helen

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Hydroentangled nonwoven fabric

28104, D04H 146

Patent

active

057705321

ABSTRACT:
Fiber fleeces made entirely of pure artificial (polymeric) fibers or mixed with natural fibers have to be solidified after formation by carding, or laying only in the case of filament fleeces. In the fleece according to the invention, which is particularly bulky and thus needs to be solidified, neither lower-melting binding fibers nor chemical binding agents are used. Also, the mechanical needling process which uses needles is eliminated because this reduces the bulk too severely. The desired bulk is retained by producing solidification by a single water needling process (when performed on one side), with the desired water pressure being no higher than 60 bars, preferably 20-30 bars.

REFERENCES:
patent: 3485706 (1969-12-01), Evans
patent: 3664905 (1972-05-01), Schuster
patent: 4024612 (1977-05-01), Contractor et al.
patent: 4731277 (1988-03-01), Groitzsch et al.
patent: 4966808 (1990-10-01), Kawano

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