To provide a tire comprising a main calf and an auxiliary calf.SOLUTION: A tire comprises: a tread block which is formed in a block shape on a tread contacting a road surface; a major groove which is formed in a groove shape across a top face of the tread block to a central part; a main passage pipe which is connected to a lower end of the major groove, penetrates a side face of the tread block, and is so formed as to improve air flow and water drainage performance; an auxiliary groove which is connected to a lower end of the main passage pipe, is formed in a groove shape extending to a lower end of the tread block, and is so formed as to exhibit water drainage performance, running performance and braking performance; and an auxiliary passage pipe which is connected to a lower end of the auxiliary groove, penetrates the side face of the tread block, and is so formed as to improve air flow and water drainage performance.SELECTED DRAWING: Figure 3
【課題】主カーフ及び補助カーフを備えるタイヤを提供すること。【解決手段】路面と接するトレッドにブロック状に形成されたトレッドブロックと、前記トレッドブロックの上面を横切って中心部まで溝状に形成された主溝と、前記主溝の下端に連結されて前記トレッドブロックの側面を貫通し、空気の流れ及び排水能を向上させるように形成された主流路管と、前記主流路管の下端と連結されて前記トレッドブロックの下端に延びた溝状に形成され、排水能、走行能、及び制動能を発揮するように形成された補助溝と、前記補助溝の下端に連結されて前記トレッドブロックの側面を貫通し、空気の流れ及び排水能を向上させるように形成された補助流路管とを備える。【選択図】図3
TIRE COMPRISING MAIN CALF AND AUXILIARY CALF
主カーフ及び補助カーフを備えるタイヤ
2019-09-19
Patent
Electronic Resource
Japanese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |