Multilayer weft-knitted fabrics for mattress covers

Abstract

A multilayer weft-knitted fabrics for mattress covers is provided, which comprises a 3D spacer fabric with at least two textile layers. The cover fabric is weft-knitted 3D and comprises openings or recesses at the outer layer thereof.

1 . Mattress cover comprising:
 a cover fabric that forms an upper face and a lower face that are each dimensioned as a lying surface for a user,   wherein the cover fabric is formed having a weft-knitted 3D spacer fabric at least on an outer face thereof and comprises a honeycombed mesh structure having outwardly open recesses on the outer face thereof,   wherein the cover fabric is formed in at least two layers from a weft-knitted 3D spacer fabric, having an upper layer that consists of textured yarn, which forms the outer face, and a layer of polyester yarn which forms an inner layer of the cover fabric; and   wherein the recesses are only formed in the upper layer.   
     
     
         2 . The mattress cover according to  claim 1 ,
 wherein the cover fabric is formed in three layers, comprising a middle layer that is knitted to the upper layer and comprises a monofilament yarn as a filling material.   
     
     
         3 . The mattress cover according to  claim 2 ,
 wherein the monofilament yarn of the middle layer is formed of polyester or polyamide.   
     
     
         4 . The mattress cover according to  claim 1 ,
 wherein the recesses extend at least over a thickness of the upper layer or over a thickness of the upper layer and over a thickness of the middle layer.   
     
     
         5 . The mattress cover according to  claim 1 ,
 wherein the upper layer has a weight portion of cover fabric ranging from 50% to 70%.   
     
     
         6 . The mattress cover according to  claim 5 ,
 wherein the upper layer has a weight portion of cover fabric ranging from 55% to 60%.   
     
     
         7 . The mattress cover according to  claim 1 ,
 wherein the inner layer has a weight portion of cover fabric ranging from 20% to 30%.   
     
     
         8 . The mattress cover according to  claim 7 ,
 wherein the inner layer has a weight portion of cover fabric ranging from 25% to 30%.   
     
     
         9 . The mattress cover according to  claim 1 ,
 wherein the middle layer has a weight portion of cover fabric ranging from 10% to 20%.   
     
     
         10 . The mattress cover according to  claim 9 ,
 wherein the middle layer has a weight portion of cover fabric ranging from 15% to 20%.   
     
     
         11 . The mattress cover according to  claim 1 ,
 wherein the cover fabric has a weight ranging from 250 g/m 2  to 300 g/m 2 .   
     
     
         12 . The mattress cover according to  claim 1 ,
 wherein the cover fabric is the same on all faces.   
     
     
         13 . The mattress cover according to  claim 1 ,
 wherein said cover comprises a fastener that is peripheral at least in part and that is openable in order to insert or remove a mattress core.   
     
     
         14 . The mattress cover according to  claim 13 , wherein the fastener is a zip fastener.