FIELD: tire industry.
SUBSTANCE: invention relates to an installation for the inclusion of solid granules in the tire tread. The installation includes an extruder with the possibility of forming an extruded rubber tread strip, a device for distributing solid granules along the tread strip located after the extruder and above the rubber tread strip. After the extruder, an adhesive composition distribution device is located above the rubber tread strip and in front of the device for distributing solid granules along the tread strip with the possibility of applying an adhesive composition to the surface of the tread strip, applied with the possibility of strengthening the subsequent adhesion of solid granules to the tread strip. In addition, solid granules before their distribution over the surface of the tread strip in the device for distributing solid granules along the tread strip are pre-treated with low-temperature plasma with the possibility of enhancing the subsequent adhesion of solid granules to the tread strip.
EFFECT: increase in the service life of the tire tread by increasing the adhesion of solid granules to the tread material.
10 cl, 9 dwg
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