Flooring element made of a plastic material having a net structure

Abstract

A flooring element includes a net structure made of a plastic material having a plurality of first elements and a plurality of second elements. Anchoring portions extend from the prevalent development plane of the net structure, which anchoring portions, in use condition, are destined to face towards a terrain surface. The elements comprise at least an anti-slip element situated on an opposite side to the anchoring portion with respect to the development plane of the net structure.

1 . A flooring element, comprising:
 a net structure made of a plastic material extending along a prevalent development plane, wherein the net structure in turn comprises:
 a plurality of first elements that are reciprocally distanced; and 
 a plurality of second elements, distanced from one another and intersecting the first elements to form a plurality of meshes; 
   an anchoring portion formed in the net structure which extends transversally to the prevalent development plane of the net structure for enabling, in use conditions, an anchoring thereof to a terrain; and   at least one elongated anti-slip element, in cohesion with at least a portion of surface of the net structure, wherein the anti-slip element is situated on a side of the net structure opposite to the anchoring portion and develops substantially parallel to said prevalent development plane.   
     
     
         2 . The flooring element of  claim 1 , wherein each anti-slip element comprises a first material less hard than a second material used for forming the net structure. 
     
     
         3 . The flooring element of  claim 1 , wherein each anti-slip element exhibits an irregular free surface which is not smooth. 
     
     
         4 . The flooring element of  claim 1 , comprising a plurality of anti-slip elements applied in cohesion with one selected in the group comprising:
 the first elements,   the second elements, and   the first and the second elements,   each of said plurality of anti-slip elements having elongated conformation developing substantially parallel to a corresponding one of said first and second element, and having a side defining a continuous elongated join to the corresponding first or second element.   
     
     
         5 . The flooring element of  claim 1 , wherein each anti-slip element is applied by hot-bonding to the net structure, such as to form a single body there-with and wherein the first elements and the second elements are joined to one another in a single piece, by means of contemporaneous extrusion. 
     
     
         6 . The flooring element of  claim 5 , wherein each anti-slip element extruded and continuously joined along its longitudinal development to the respective first or second element, substantially contemporaneously with the extrusion of the first elements and the second elements. 
     
     
         7 . The flooring element of  claim 4 , wherein each of the anti-slip elements in cohesion with the respective at least one of the first elements and the second elements is arranged according to a respective lie line superposed on the corresponding at least one of the first and second elements and wherein said continuous join extends through the entire length of the anti-slip element along said lie line. 
     
     
         8 . The flooring element of  claim 1 , wherein the first elements and the second elements exhibit an undulating or straight configuration along the prevalent development plane, and wherein the lie lines of the anti-slip elements substantially exhibit an undulated or straight configuration, complementarily shaped to the conformation of the respective at least one of the first and second elements to which the anti-slip elements cohere. 
     
     
         9 . The flooring element of  claim 1 , wherein:
 each anti-slip element exhibits a thickness which is comprised between 1 and 7 mm,   the net structure exhibits a size in a perpendicular direction to the prevalent development plane which size is greater than 8 mm, optionally greater than 10 mm, and   the second elements intersect the first elements, forming intersection angles that are right-angles or acute angles and are comprised between 20° and 90°.   
     
     
         10 . The flooring element of  claim 1 , wherein the first elements are arranged substantially parallel to one another and the second elements are arranged substantially parallel to one another, and wherein a distance between two adjacent first elements and a distance between two adjacent second elements is respectively greater than a width of the first elements and a width of the second elements. 
     
     
         11 . The flooring element of  claim 1 , wherein the first elements and the second elements intersect at nodes and form a plurality of meshes, each of the first elements and the second elements exhibiting intermediate portions which extend between consecutive nodes, a plurality of the intermediate portions having a transversal section of a progressively decreasing area starting from a node in a direction of a median line of the intermediate portions, and increasing in a distancing direction from the median line towards the successive node, and wherein the intermediate portions exhibit a central zone having a substantially constant width. 
     
     
         12 . The flooring element of  claim 1 , wherein the first elements and the second elements exhibit a full, non tubular, cross section, said cross section having an area that is greater than 10 mm 2 . 
     
     
         13 . The flooring element of  claim 1 , wherein the flooring element exhibits a plurality of anchoring portions distanced and separated from one another, wherein each anchoring portion exhibits a height in at least a transversal direction to the prevalent development plane of the net structure which is at least 4 mm. 
     
     
         14 . The flooring element of  claim 1 , wherein the anchoring portions are configured in a plurality of development lines extending, in use conditions, inferiorly of at least one of the first elements and second elements and wherein the development lines substantially follow the development direction of one of the first elements and second elements. 
     
     
         15 . The flooring element of  claim 1 , wherein the flooring element exhibits:
 a specific weight per surface unit which is greater than 900 g/m2;   a specific resistance to traction in at least a direction that is greater than 6.5 kN/m, the specific resistance to traction being measured using the method set out in the description; and   a percentage elongation in the prevalent development direction of the first elements and/or the second elements of greater than 20%, the maximum percentage elongation being measured according to the method set out in the description.   
     
     
         16 . The flooring element of  claim 1 , wherein a resistance to delamination between the anti-slip element and the net structure is such that by applying, on a horizontally positioned flooring element, a tangential force directed parallel to the prevalent development plane of at least 1 Kg and distributed on a surface of 1 cm 2 , no separation phenomena of the anti-slip element from the net structure must occur. 
     
     
         17 . A flooring element of  claim 1 , obtained with a process comprising a stage of contemporary extrusion of the first elements and the second elements in order to form the net structure and a stage of hot-deposition, by co-extrusion, of the anti-slip element on the net structure during the contemporary extrusion stage of the first elements and the second elements. 
     
     
         18 . The flooring element of  claim 17  wherein one selected in the group comprising:
 the first elements, 
 the second elements, 
 the first and second elements, 
 
       is stretched in at least a prevalent development direction to define a molecular orientation in the material forming the stretched element. 
     
     
         19 . A flooring element, comprising:
 a net structure made of a plastic material extending along a prevalent development plane, wherein the net structure in turn comprises:
 a plurality of first elements that are reciprocally distanced; and 
 a plurality of second elements, distanced from one another and intersecting the first elements to form a plurality of meshes; 
   an anchoring portion which is joined to a side of the net structure and extends transversally to the prevalent development plane of the net structure for enabling, in use conditions, an anchoring thereof to a terrain; and   a plurality of anti-slip elements, in cohesion with at least a portion of surface of the net structure on a side opposite to the anchoring portion with respect to the prevalent development plane, wherein each anti-slip element comprises a first material less hard than a second material used for forming the net structure, and wherein each of said plurality of anti-slip elements has elongated conformation developing substantially parallel to a corresponding one of said first and second elements, and having a side defining a continuous elongated join to one corresponding of said first and second elements.   
     
     
         20 . The flooring element of  claim 19 , wherein each of said anti-slip elements is joined to the net structure by hot bonding, the material of the anti-slip element in correspondence of the continuous elongated joint being brought to a temperature of softening to thereby at least partially intermingling with the material of the net structure all along the continuous elongated join. 
     
     
         21 . A flooring element, comprising:
 a net structure made of a plastic material extending along a prevalent development plane, wherein the net structure in turn comprises:
 a plurality of first elements that are reciprocally distanced; and 
 a plurality of second elements, distanced from one another and intersecting the first elements to form a plurality of meshes; 
   an anchoring portion formed in the net structure which extends transversally to the prevalent development plane of the net structure for enabling, in use conditions, an anchoring thereof to a terrain; and   a plurality of elongated anti-slip elements, in cohesion with at least a portion of surface of the net structure, wherein each anti-slip element is situated on a side of the net structure opposite to the anchoring portion and joins the net structure along the entire length of the anti-slip element.