REIFEN ZUM FAHREN AUF EIS

摘要

A tire (10) for driving on ice, comprising: a tread (20) having a rolling surface configured to come into contact with the ground when the tire is rolling along; at least one stud (30) having a longitudinal axis (A-A), a part of the stud projecting from the rolling surface, the intersection between the stud and the plane tangential to the portion of the rolling surface around the stud forming a contour C, that part of the stud that projects from the rolling surface having a minimum cross section Sm, Sm corresponding to the smallest cross section of the said part in any plane containing the radial direction that passes through the point of intersection between the longitudinal axis of the stud and the plane tangential to the portion of the rolling surface around the stud; at least one recess (200) in the tread forming, on the rolling surface, a contour G, the recess being associated with the stud in that the minimum distance D between the contours C and G is less than or equal to 1 cm; in which, for each stud, the sum of the volumes Vn of the recesses associated with the stud, expressed in mm3, is greater than or equal to the product of the minimum cross section Sm of that part of the stud that projects from the tread, expressed in mm2, multiplied by a length of 50 mm.