US2014115838A1PendingUtilityA1

Spunlaced nonwovens as hook and loop fastener component

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Assignee: KIRSCH ANDREASPriority: Apr 1, 2011Filed: Mar 29, 2012Published: May 1, 2014
Est. expiryApr 1, 2031(~4.7 yrs left)· nominal 20-yr term from priority
Y10T24/27A61F 13/627A44B 18/0011A61F 13/62Y10T24/2783D04H 3/16D04H 1/498D04H 3/11A61F 13/51476
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Claims

Abstract

The present invention relates to the use of a spunlaced nonwoven fabric made of continuous filaments as loop material for hook and loop fasteners. The invention also relates to a loop material made of a nonwoven fabric and the production thereof.

Claims

exact text as granted — not AI-modified
1 - 15 . (canceled) 
     
     
         16 . Use of a spunlaced non-woven material of continuous filaments as female component (loop component) of a hook-and-loop fastening system, wherein no openings are introduced into the non-woven material and the non-woven material does not encompass any bonding prior to the spunlacing. 
     
     
         17 . Use according to  claim 16 , wherein the continuous filaments of the spunlaced non-woven material are bonded in defined areas, wherein the bonding is 1-25%, preferably 2 to 20% of the total surface. 
     
     
         18 . Use according to  claim 16 , wherein the non-woven material is connected to at least one further layer, preferably a film, preferably by means of extrusion coating, adhesive lamination, ultrasound welding or by means of thermal lamination. 
     
     
         19 . Use according to  claim 18 , wherein the loops of the non-woven material penetrate into the material of the further layer or an adhesive, with which the non-woven material and the further layer are connected, to 1 to 50% of the thickness of the non-woven material. 
     
     
         20 . Use according to  claim 16 , wherein the non-woven material is applied to an absorbent article, in particular a diaper or pad, as loop component for fastening the latter. 
     
     
         21 . Use according to  claim 18 , wherein the non-woven material, which is connected to the further layer forms the back sheet of a sanitary product, in particular of a diaper.

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