Title:
【発明の名称】空気入りラジアルタイヤ
Document Type and Number:
Japanese Patent JP2994008
Kind Code:
B2
Abstract:
PURPOSE:To improve straight-going performance by inclining the straight line connecting the circumferential central points at the radially inner end and the outer end of respective blocks in the width-directional one side end toward the radially outside to the normal of the tread on the circumferential one side, and by inclining the respective blocks on the width-directional other side end in the opposite direction. CONSTITUTION:A tire 1 comprises a pair of beads and a carcass layer 3, and the cords 10, 11 embedded inside the belt plies 8, 9 of the carcass layer 3 are extended in the opposite direction to each other. The straight line L connecting the circumferential central point R at the radially inner end and the circumferential central point S at the radially outer end of the blocks 21a, 21b of the block row positioned at least on the width-directional one side end, out of a plurality of block rows 22 consisting of blocks 21 defined by main grooves 19 and transverse grooves 20 on the outer surface of the tread 18, is inclined toward one side in the circumferential direction as it goes to the radially outside to the normal T of the tread 18. And, the blocks 21d, 21e of the block row positioned at least on the width-directional other side end are inclined in the opposite direction to the above.
Inventors:
Minoru Okabe
Application Number:
JP21635590A
Publication Date:
December 27, 1999
Filing Date:
August 16, 1990
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C9/18; B60C11/04; B60C11/11; B60C11/13; (IPC1-7): B60C11/11; B60C11/04; B60C11/13
Domestic Patent References:
| JP281773A | ||||
| JP63222905A | ||||
| JP6160307A |
Attorney, Agent or Firm:
Toshio Tada