Tire

• Main Authors: KUJIME TOMOYUKI, NISHI MINORU, OKAGAWA HIROSHI
• Format: Patent
• Language: Chinese; English
• Published: 03.04.2018
• Subjects: DEVICES OR ARRANGEMENTS RELATED TO TYRES; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; VEHICLE TYRES; VEHICLES IN GENERAL

The present invention provides a tire improved in the drainage performance, noise performance and demolding performance. The tire (1) comprises a tread portion (2) and a circumferentially continuouslyextending groove (3) provided in the tread surface and having a bottom (11) and a pair of opposite side walls (12), wherein the bottom (11) extends towards the tread surface (2a) of the tread portion(2), at least one of the side walls (12) is provided with protrusions (15) protruding into the groove (3) and arranged in the tire circumferential direction. The protrusion (15) has a gradually increasing part (16) in which the area of the cross section of the protrusion (15) being parallel with the tread surface (2a) of the tread portion (2) is gradually increased toward the radially outer sideof the tire. 本发明提供种轮胎，其能够提高排水性能、抗噪性能以及脱模性能。种轮胎(1)，其在胎面部(2)上设置有在轮胎周向上连续延伸的至少条主槽(3)，主槽(3)包括：槽底(11)；和对槽壁(12、12)，其自槽底(11)朝向胎面部(2)的接地面(2a)延伸。至少在个槽壁(12)上且在轮胎周向上配置有朝向槽内突出的多个突部(15)。各个突部(15)具有沿着胎面部(2)的接地面(2a)的横截面朝向轮胎半径方向外侧递增的递增部(16)。