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Title:
METHOD FOR NEEDLING MATERIAL WEB AND APPARATUS SUITABLE FOR THE SAME METHOD
Document Type and Number:
Japanese Patent JPH0841772
Kind Code:
A
Abstract:

PURPOSE: To provide a method for needling a material web by which considerably higher production speeds can be achieved in comparison with needling methods of the prior art by using customary needling apparatuses.

CONSTITUTION: A material web 9 is guided at a predetermined speed over a plurality of needle rollers 1 in a method for needling the material web 9. The needle rollers 1 are composed so as to rotate about the longitudinal axis 3 thereof as the center and arranged in the transverse direction from the direction of movement of the material web 9. Furthermore, the material web 9 respectively covers a part of the surface of each of the needle rollers 1. The circumferential speed of the needle rollers 1 is set relative to the speed of the material web 9 in such a way that the desired amount of needling with freely adjustable stretching in the longitudinal direction of the material web 9 is obtained.


Inventors:
Profe, Hans-juergen
Application Number:
JP1995000163960
Publication Date:
February 13, 1996
Filing Date:
June 29, 1995
Export Citation:
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Assignee:
HOECHST AG
International Classes:
D04H1/46; D04H18/02; (IPC1-7): D04H18/00; D04H1/46; D04H3/10
Attorney, Agent or Firm:
湯浅 恭三 (外6名)