Method and device for production of composite non-woven...

Details Method and device for production of composite non-woven... Method and device for production of composite non-woven...

2005-01-04

2005-01-04

Vanatta, Amy B. (Department: 3765)

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

C028S167000

Reexamination Certificate

active

06836938

ABSTRACT:
Method for producing a composite non-woven fabric for the production of a hygiene product includes the steps of forming a spun-bonded non-woven fabric; compressing the spun-bonded non-woven fabric in the dry state in a continuous process after forming the spun-bonded non-woven fabric for pre-strengthening; coating the pre-strengthened spun-bonded non-woven fabric with a layer of pulp fibers; conducting a hydrodynamic water needling process to interconnect and strengthen the layer of pulp fibers and the pre-strengthened spun-bonded non-woven fabric to form a composite non-woven fabric; and then drying the composite non-woven fabric. The step of compressing the spun-bonded non-woven fabric provides only a light bonding of fibers of the spun-bonded non-woven fabric such that the pulp fibers enter into an internal bonding with fibers of the spun-bonded non-woven fabric in the hydrodynamic water needling process.

REFERENCES:
patent: 4808467 (1989-02-01), Suskind et al.
patent: 4931355 (1990-06-01), Radwanski et al.
patent: 4950531 (1990-08-01), Radwanski et al.
patent: 5137600 (1992-08-01), Barnes et al.
patent: 5144729 (1992-09-01), Austin et al.
patent: 5151320 (1992-09-01), Homonoff et al.
patent: 5328759 (1994-07-01), McCormack et al.
patent: 5380580 (1995-01-01), Rogers et al.
patent: 6022818 (2000-02-01), Welchel et al.
patent: 6063717 (2000-05-01), Ishiyama et al.
patent: 6177370 (2001-01-01), Skoog et al.
patent: 6592713 (2003-07-01), Ahoniemi
patent: 20030024092 (2003-02-01), Orlandi
patent: 560556 (1993-09-01), None
patent: WO 9922059 (1999-05-01), None

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