PNEUMATIC TIRE Russian patent published in 2022 - IPC B29D30/60 B60C11/14 

FIELD: tire industry.

SUBSTANCE: invention relates to a pneumatic tire. The pneumatic tire is made of a frame with wire side rings, a breaker and a tread with solid granules included in the wear part of its pattern, distributed throughout the depth of the worn sections of the tread pattern. The rubber blank of the tread is made in the form of extruded rubber tread strips, which are rolled in several layers onto the frame of the pre-treated tire and which are then profiled to form an appropriate pattern and vulcanized. A layer of adhesive composition applied with the possibility of enhancing the subsequent adhesion of solid granules to the tread strip is applied to the tread strips, and solid granules previously subjected to low-temperature plasma treatment with the possibility of enhancing the adhesion of solid granules to the adhesive layer of the tread strip are applied to the specified layer of adhesive composition.

EFFECT: increase in the service life of the tread and the pneumatic tire as a whole.

10 cl, 9 dwg