Patent ID: 6622359
Filing Date: 2003-09-23
Classification: D04H

Abstract:
An apparatus for needling a non-woven web in a needling direction, comprising(a) a frame, (b) a needleboard held in the frame on a support, the non-woven web moving along the needleboard in a direction of passage, (c) two parallel eccentric drives disposed between the frame and the needleboard support, the eccentric drives respectively driving the needleboard support in the direction of passage of the non-woven web and in the needling direction, each eccentric drive comprising (1) two parallel eccentric shafts extending perpendicularly to the direction of passage, (d) an intermediate support holding the needleboard support and disposed between the frame and the needleboard support, (1) one of the eccentric drives being mounted on the frame and the intermediate support being mounted on the eccentric shafts of the other eccentric drive, and (2) the one eccentric drive driving the intermediate support in a circular path relative to the frame while the other eccentric drive drives the needleboard support in a circular path relative to the intermediate support.