Grass Yarn

Abstract

The invention relates to grass yarn for artificial grass coverings being a monofilament. These grass yarns can be provided with ridges to reduce light reflection. The grass yarns can also have a sickle shaped cross section for increased strength. The invention further relates to artificial grass covering comprising a plurality of grass yarns according to the invention.

1 . A grass yarn for artificial grass coverings being a monofilament. 
     
     
         2 . The grass yarn according to  claim 1 , wherein the grass yarn has a sickle-shaped cross section. 
     
     
         3 . The grass yarn according to  claim 1  comprising a plurality of ridges arranged on the surface of the grass yarn. 
     
     
         4 . The grass yarn according to  claim 3 , wherein the plurality of ridges are arranged in a longitudinal direction of the grass yarn. 
     
     
         5 . The grass yarn according to  claim 3  wherein the height of the ridges 0.5%-10% of the main thickness of the grass yarn. 
     
     
         6 . The grass yarn according to  claim 1 , wherein the grass yarn is of a material selected from the group high density polyethylene (HDPE), polypropylene (PP), polyamide (PA), polyester and low density polyethylene (LDPE). 
     
     
         7 . The grass yarn according to  claim 6 , wherein the material is linear low density polyethylene. (LLDPE) 
     
     
         8 . The grass yarn according to  claim 1 , wherein the linear mass density is in the range of 50-300 tex. 
     
     
         9 . An artificial grass covering comprising a plurality of grass yarns according to  claim 1 . 
     
     
         10 . The artificial grass covering according to  claim 9 , further comprising a support layer to which the grass yarns are arranged. 
     
     
         11 . The grass yarn according to  claim 2 , comprising a plurality of ridges arranged on the surface of the grass yarn. 
     
     
         12 . The grass yarn according to  claim 11 , wherein the plurality of ridges are arranged in a longitudinal direction of the grass yarn. 
     
     
         13 . The grass yarn according to  claim 11 , wherein the height of the ridges is 0.5%-10% of the main thickness of the grass yarn. 
     
     
         14 . The grass yarn according to  claim 4 , wherein the height of the ridges is 0.5%-10% of the main thickness of the grass yarn.