Method for the production of a nonwoven fabric

Details Method for the production of a nonwoven fabric Method for the production of a nonwoven fabric

1975-09-05

1977-08-16

Rimrodt, Louis K.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

28107, 156148, 264126, 428301, B29D 2700, D04H 1800

Patent

active

040426556

ABSTRACT:
A nonwoven fabric is produced by forming a batt comprising staple fibers oriented primarily in the fill direction, drafting the batt in the warp direction in a first warp-drafting zone, needling the drafted batt, drafting the needled batt in the warp direction in a second warp-drafting zone, and drafting the warp-drafted, needled batt in the fill direction in a fill-drafting zone. A fabric, apparatus for producing the fabric, and a method for fusing a nonwoven batt are provided.

REFERENCES:
patent: 2407548 (1946-09-01), Goldman
patent: 2927350 (1960-03-01), Nelson
patent: 3154462 (1964-10-01), Smith
patent: 3523059 (1970-08-01), Coates
patent: 3531347 (1970-09-01), Stultz
patent: 3849223 (1974-11-01), Kent
patent: 3992501 (1976-11-01), Tatzel et al.
patent: 3994759 (1976-11-01), Stoller

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