US Patent 10155420 Vehicle tire

A vehicle tire (1), comprising a tread (2) which is intended for rolling contact against a surface, said tread (2) being formed with a tread pattern (20) which comprises circumferential grooves (25) and transverse grooves (26) for removing water from a contact patch between the surface and the tire (1). The transverse groove (26) increases in width when progressing in a longitudinal direction of the transverse groove (26) from a sidewall (41, 42) of the tire (1) towards a center line (CL) of the tire and when progressing in a radial direction (R) outward from a base (263) of the transverse groove.