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Title:
APPARATUS FOR NEEDLING NONWOVEN WEB
Document Type and Number:
Japanese Patent JPH0841771
Kind Code:
A
Abstract:

PURPOSE: To provide an apparatus for needling a nonwoven web capable of substantially compensating the first-order mass forces and mass moments.

CONSTITUTION: This apparatus for needling a nonwoven web comprises needle beams 3a and 3b for carrying a needle board 2, rocking links 10a and 10b for guiding the needle beams 3a and 3b and slider-crank mechanisms 7a and 7b for driving the needle beams 3a and 3b. To effect a mass compensation, the needle beams 3a and 3b are arranged one behind the other in the direction 1 of travel of the nonwoven web and are guided each by the rocking links 10a and 10b and actuated each by the slider-crank mechanisms 7 and 7b. Both the slider-crank mechanisms 7a and 7b comprise mutually parallel crankshafts or eccentric shafts 8 which are mutually rotated in opposite senses.


Inventors:
Ludwig, Legl
Application Number:
JP1995000132508
Publication Date:
February 13, 1996
Filing Date:
April 24, 1995
Export Citation:
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Assignee:
TEXTIL MAS FAB DR ERNST FEHRER AG
International Classes:
D04H18/00; (IPC1-7): D04H18/00
Attorney, Agent or Firm:
中平 治