Tire vulcanization/retreading system using autoclave with electromagnetic induction heating

Abstract

Tire vulcanizing/retreading and de-vulcanization system including an autoclave and heating based on an induction system, which will lead to vulcanization or de-vulcanization of a tire.

1 .- 4 . (canceled) 
     
     
         5 . A process for reversing vulcanization in autoclave with the use of electromagnetic induction to heat straight into an inner metal components of tire; the process comprising the following steps:
 (1) loading a tire in the autoclave with no need for any type of assembly;   (2) choosing predetermined suitable inductors to be used;   (3) fixing the inductors inside the autoclave which is provided with a motor rotated center axle;   (4) pitching the suitable frequency and intensity of the inductors according to the materials applied and the kind of tires;   (5) Autoclave set up: time, pressure and temperature are adjusted to begin vulcanization process, which is controlled by a power module that delivers the amount of electromagnetic induction necessary to reversing vulcanization of different kinds of tires.   (6) the frequency and intensity of induction causing metal molecules to vibrate thus generating heat on the metal inner ply of the tire increasing its temperature; and   (7) the heat generated dissipates through the tire rubber components that reaching the predetermined temperature cause the reversing vulcanization of the tire.   
     
     
         6 . The process according to  claim 5 , wherein the inductors are selected from the group consisting of: external inductors (Ie) located in the outer area of the tire, internal inductors (In) located in the inner area of the tire, center inductors (Ic) located in the bead areas (TI) of the tire; and combinations thereof. 
     
     
         7 . The process according to  claim 5 , wherein the inductors have induction modes selected from the group consisting of: stationary, rotating and progressive. 
     
     
         8 . The process according to  claim 5 , wherein the autoclave is in its inner provided by a center axle rotated by a motor. 
     
     
         9 . The process according to  claim 5 , wherein the frequency is pitched up to 450 khz. 
     
     
         10 . The process according to  claim 5 , wherein the frequency and intensity entail final temperatures ranging from 200° C. to 400° C. depending on the materials applied, type and dimension of the tire. 
     
     
         11 . The process according to  claim 5 , wherein the inner ply structure is made of steel.