STUDDED TYRE FOR VEHICLE WHEELS Russian patent published in 2022 - IPC B60C11/16 B60C11/03 

FIELD: vehicles.

SUBSTANCE: studded tyre comprises a tread band (2) whereon the tread pattern is formed, provided wherein is a module (M) containing a first and a second elementary parts (R, S) of the tread band, each of said parts extending in a direction of a circumference with a size corresponding to a long pitch or with a size corresponding to a short pitch. At least one first module (M1) containing a first and a second elementary parts, with both parts having a long pitch, and at least one second module (M2) containing a first and a second elementary parts, with both parts having a short pitch, are provided among the modules. A number of studs equal to a set number is provided in at least 30% modules, a number of studs equal to said set number increased by one or two is provided in each first module (M1), and a number of studs equal to double said set number reduced by one or two is provided in each pair of adjacent second modules (M2).

EFFECT: improvement in the operating characteristics of the tyre, including good adhesion of the tyre to winter roads and reduction in the noise level.

19 cl, 3 dwg, 3 tbl