| 摘要 |
To provide a winter-use pneumatic tyre with which the performance on ice can be enhanced and tread pattern durability can be enhanced. The tread for a winter-use pneumatic tyre according to the present invention has blocks 4 which are aligned in the circumferential direction and in which are formed respectively at least one thin incision 5 which extends substantially parallel to a circumferential direction edge 42 and which has a widened portion 51 at its bottom, and at least one series of small holes 6 comprising at least two small holes 7 which open in a ground contacting surface 41 of the block 4 and extend in the inward radial direction of the tyre, and the at least one series of small holes is formed in a neighbouring region of the circumferential direction edge, and is formed in an intermediate portion between the circumferential direction edge and the at least one thin incision. |
