Process for manufacturing a rubber strip for a tire, comprising water-cooling means
View Patent ↗In the method of manufacturing a strip ( 8 ) of rubber for vehicle tires: a strip ( 8 ) of rubber is formed; the strip is cooled with water; residual water ( 40 ) on the surface of the strip is heated from the exterior of the strip and/or this water is replaced by hotter water; and the water present on the surface of the strip is eliminated.
1. Method of manufacturing a strip of rubber for vehicle tires, comprising the steps of:
forming a strip of rubber including a vulcanization agent;
cooling said strip with water;
heating residual water on the surface of the strip from the exterior of the strip and/or replacing this water by hotter water; and
eliminating the water present on the surface of the strip.
2. The method according to claim 1 , wherein some of the cooling water is driven off at a distance from the strip after cooling and before the heating and/or replacement step.
3. The method according to claim 2 , wherein at least one of the driving off and elimination steps, is effected by blowing air onto the strip.
4. The method according to claim 2 ,
wherein the water elimination step is completed by causing evaporation of the traces of water still remaining on the surface of the strip; and
wherein all of the driving off and evaporation steps are effected by blowing air onto the strip.
5. The method according to claim 1 , wherein the strip is caused to circulate in a hot water bath during the heating and/or replacement step.
6. The method according to claim 5 , wherein the water from the bath has a temperature between 45 and 65° C.
7. The method according to claim 5 , wherein the water from the bath has a temperature between 50 and 60° C.
8. The method according to claim 1 , wherein hot water is sprayed onto the strip during the heating and/or replacement step.
9. The method according to claim 8 , wherein the water sprayed onto the strip has a temperature between 45 and 65° C.
10. The method according to claim 8 , wherein the water sprayed onto the strip has a temperature between 50 and 60° C.
11. The method according to claim 1 , wherein steam is sprayed onto the strip during the heating and/or replacement step.
12. The method according to claim 1 , wherein at least some of the water is driven off at a distance from the strip during the water elimination step.
13. The method according to claim 1 , wherein the water elimination step is completed by causing evaporation of the traces of water still remaining on the surface of the strip.
14. The method according to claim 1 , wherein deposits of mineral salts on the surface of the strip are reduced.