Reinforcing mesh for abrasive wheels and related abrasive wheel

Abstract

A reinforcing mesh for abrasive wheels comprising: a fabric or nonwoven fabric made of fibres; and at least one recognition element made of conductive material adhering to the fibre fabric.

1 . A reinforcing mesh for abrasive wheels comprising:
 a fabric or nonwoven fabric made of fibres; and   at least one recognition element made of conductive material adhered to the fibre fabric.   
     
     
         2 . The reinforcing mesh according to  claim 1 , wherein the recognition element comprises at least one strip of conductive material elongated along a longitudinal axis, and provided with a width, transversal with respect to the longitudinal axis, wherein the width is greater than a thickness of the strip and is not lower than 0.3 mm, preferably is comprised between 0.3 mm and 20 mm. 
     
     
         3 . The reinforcing mesh according to  claim 1 , wherein the recognition element has flexural strength lower than or equal to the flexural strength of the fibre fabric. 
     
     
         4 . The reinforcing mesh according to  claim 1 , wherein the conductive material is selected in the group of aluminium, iron, copper, zinc, titanium, lead, tin, nickel, tungsten, magnesium, lithium, chromium and carbon or otherwise any element of metallic nature present in the periodic table of the elements. 
     
     
         5 . The reinforcing mesh according to  claim 1 , comprising a sheet provided with a face adhering to a face of the fibre fabric. 
     
     
         6 . The reinforcing mesh according to  claim 5 , wherein the recognition element is interposed between the face of the fibre fabric and the face of the sheet. 
     
     
         7 . The reinforcing mesh according to  claim 5 , wherein the sheet is made of a polymeric material. 
     
     
         8 . The reinforcing mesh according to  claim 5 , wherein the sheet is made of a paper material. 
     
     
         9 . The reinforcing mesh according to  claim 1 , wherein a thickness of the recognition element is lower than or equal to a thickness of the fibre fabric. 
     
     
         10 . The reinforcing mesh according to  claim 1 , comprising a plurality of recognition elements distributed on a face of the fibre fabric. 
     
     
         11 . The reinforcing mesh according to  claim 1 , wherein the recognition element is obtained by depositing on the fibre fabric at least one conductive powder, preferably along an elongated strip along a longitudinal axis, and provided with a transverse width with respect to the longitudinal axis prevalent with respect to a thickness thereof. 
     
     
         12 . The reinforcing mesh according to  claim 1 , wherein the recognition element is plastically deformable. 
     
     
         13 . An abrasive wheel comprising:
 an abrasive mix; and   at least one reinforcing mesh according to  claim 1 , wherein the reinforcing mesh is at least partially incorporated within the abrasive mix.   
     
     
         14 . A process for manufacturing a reinforcing mesh comprising the steps of:
 producing a fabric made of fibres; and   making a recognition element made of conductive material adhere to the fibre fabric.   
     
     
         15 . The process according to  claim 14 , further comprising the step of die-cutting the fibre fabric with the recognition element adhering thereto, making a disc of reinforcing mesh provided with at least one portion of recognition element made of conductive material adhering thereto. 
     
     
         16 . A method for producing an abrasive wheel comprising the steps of:
 making a reinforcing mesh with the process according to  claim 14 ; and   at least partially incorporating a portion of reinforcing mesh within an abrasive mix;   pressing the abrasive mix and the reinforcing mesh incorporated therein; and   heat treating the abrasive mix and the incorporated therein reinforcing mesh previously pressed.   
     
     
         17 . A procedure for checking abrasive wheels comprising the steps of:
 producing an abrasive wheel with the method according to  claim 16 ; and   determining the presence of the reinforcing mesh incorporated therein by means of the detection, by a sensor, of the recognition element adhering to the reinforcing mesh.