空気入りタイヤ - Bridgestone Corporation

Title:

空気入りタイヤ

Document Type and Number:

Japanese Patent JP7178961

Kind Code:

B2

Abstract:

To provide a pneumatic tire which further improves on-ice/snow performance and suppresses breakage of a block and bottom cracking of a groove bottom of a sipe.SOLUTION: In a pneumatic tire in which inside land parts (12A and 12B) inside an outermost side circumferential groove (11o) of a tread 7 are divided into two lines of division land parts (12p and 12q) by a circumferential narrow groove (13), and blocks (15P and 15Q) divided by width direction grooves (14) of the division land parts (12p and 12q) are deviated from each other in a tire circumferential direction and are positioned in a zigzag form, two outside width direction sipes (16a and 16z) among at least three width direction sipes concentrated at a central part in the tire circumferential direction of the blocks (15P and 15Q) are opened on both of side faces in the tire width direction of the blocks (15P and 15Q), and both ends of an inside width direction sipe (16m) between the two outside width direction sipes (16a and 16z) are within the blocks (15P and 15Q).SELECTED DRAWING: Figure 2

Inventors:

Nobuyuki Ishihara

Application Number:

JP2019106733A

Publication Date:

November 28, 2022

Filing Date:

June 07, 2019

Export Citation:

Click for automatic bibliography generation Help