Apparatus for needling a nonwoven web with a rocking needle boar

Details Apparatus for needling a nonwoven web with a rocking needle boar Apparatus for needling a nonwoven web with a rocking needle boar

1995-04-14

1996-08-27

Crowder, C. D.

Textiles: manufacturing

Textile product fabrication or treatment

Fiber entangling and interlocking

D04H 1800

Patent

active

055488811

ABSTRACT:
The described apparatus for needling a nonwoven web comprises at least one needle beam for carrying a needle board, a rocker for guiding the needle beam and a slider-crank mechanism for actuating the needle beam. To effect a mass compensation it is proposed that two needle beams are arranged one behind the other in the direction of travel of the nonwoven web and are guided each by a rocker and actuated each by a slider-crank mechanism and that the two slider-crank mechanisms comprise parallel crankshafts or eccentric shafts, which are rotated in mutually opposite senses.

REFERENCES:
patent: 3633523 (1972-01-01), Card
patent: 3919952 (1975-11-01), Lund
patent: 5186133 (1993-02-01), Green

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