US 7,500,293 B2
	Drum for a production unit for a non-woven material, method for production of a non-woven material and non-woven material obtained thus
Frederic Noelle, Montbonnot (France)
Assigned to Rieter Perfojet, Montbonnot (France)
Filed on Nov. 27, 2007, as Appl. No. 11/945,622.
Application 11/945622 is a division of application No. 10/510382, granted, now 7,350,279, previously published as PCT/FR03/01101, filed on Apr. 08, 2003.
Claims priority of application No. 02 04604 (FR), filed on Apr. 12, 2002.
Prior Publication US 2008/0066274 A1, Mar. 20, 2008
Int. Cl. D04H 1/46 (2006.01)

U.S. Cl. 28—104

12 Claims

1. An apparatus for producing a nonwoven material comprising a first conveyor for conveying a preform of nonwoven material, an aspiration device for transferring said preform solely by aspiration from said first conveyor to a second conveyor, said second conveyor conveying said preform for transfer to a hydroentangling drum at a contact point location in which said second conveyor and said hydroentangling drum are tangentially disposed at a minimum spacing without intersecting or conforming profiles extending in the direction of preform travel, and water jets arranged to hydroentangle said preform only on said hydroentangling drum by impinging water on said preform free of conveyor interference.