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Method and apparatus for manufacturing nonwoven fabric




Title: Method and apparatus for manufacturing nonwoven fabric.
Abstract: The invention concerns a method and apparatus for patterning a nonwoven fabric. The method according to the invention is characterized in that the web is supported in the patterning phase on a perforated cylinder to which a 3-dimensional pattern has been formed substantially without removing material (patterning cylinder) for accomplishing a corresponding 3-dimensional pattern to the nonwoven fabric. The apparatus according to the invention comprises an element supporting the web, a vacuum system and water nozzles in order to hydroentangle the fibre web or combined fibre webs. The apparatus is characterized in that the element supporting the web is of a kind of the said pattern cylinder. ...


- Washington, DC, US
Inventors: Erkki Lampila, Topi Korsberg, Ilkka Tirkkonen
USPTO Applicaton #: #20080256768

The Patent Description & Claims data below is from USPTO Patent Application 20080256768, Method and apparatus for manufacturing nonwoven fabric.

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stats Patent Info
Application #
US 20080256768 A1
Publish Date
10/23/2008
Document #
11629525
File Date
06/20/2005
USPTO Class
28102
Other USPTO Classes
28109
International Class
/
Drawings
4


Vacuum System Woven Fabric

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20081023|20080256768|manufacturing nonwoven fabric|The invention concerns a method and apparatus for patterning a nonwoven fabric. The method according to the invention is characterized in that the web is supported in the patterning phase on a perforated cylinder to which a 3-dimensional pattern has been formed substantially without removing material (patterning cylinder) for accomplishing |