Lamination of breathable film using a rubber-covered anvil roll

Details Lamination of breathable film using a rubber-covered anvil roll Lamination of breathable film using a rubber-covered anvil roll

B - Operations, Transporting

32

B

B32B 27/12 (2006.01) A61F 13/15 (2006.01) D04H 13/00 (2006.01) B32B 31/00 (1995.01)

Patent

CA 2273965

The present invention relates to a process for producing an improved film/nonwoven laminate from a fibrous nonwoven web and a polymeric film wherein the nonwoven web and polymeric film are bonded together by passing the nonwoven web and the polymeric film through the nip between two rolls. One of the rolls is in contact with polymeric film. This roll has a surface that is made from a soft material that deforms under nip pressure.

La présente invention concerne un procédé de production d'un stratifié amélioré de film/non tissé, fabriqué à partir d'une bande fibreuse non tissée et d'un film polymère dans lequel ladite bande non tissée et ledit film polymère. Selon ce procédé, on lie l'un à l'autre cette bande non tissée et ce film polymère en les faisant passer à travers l'écartement entre deux cylindres. Un de ces cylindres est en contact avec le film polymère, et présente une surface fabriquée dans un matériau souple qui se déforme sous la pression exercée par les cylindres.

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