Patent ID: 8931532
Filing Date: 2015-01-13
Classification: B60C

Abstract:
1. A tyre comprising a tread band provided with a tread pattern comprising: a first portion of tread pattern, repeated the same along a circumferential extent of said tyre, forming a short pitch module of said tread pattern, and a second portion of tread pattern, repeated the same along the circumferential extent of said tyre in succession to said first portion, forming a long pitch module of said tread pattern, said long pitch module having a same geometric configuration as said short pitch module, both said modules, short pitch and long pitch, comprising a respective first transverse groove wherein, starting from an axially outer first end thereof toward an opposed axially inner second end thereof, a first initial section and a section of enlarged cross-section are formed, said section of enlarged cross-section being blind, at least on an axially inner side thereof, at least when in a footprint area, said initial section and said section of enlarged cross-section having, respectively, a first width and a second width, wherein a ratio between said second width and said first width of said first transverse groove of said short pitch module is greater than a ratio between said second width and said first width of said first transverse groove of said long pitch module.