Durable low-rolling-resistance tire capable of avoiding abnormal wear of tire crown edge in early stage

• Main Authors: ZHANG YING, WANG ZEJUN, SHAN SHAOZHI, YUAN MENGDAN, YANG YINAN
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2023
• 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 utility model relates to the field of tires, in particular to a safe and durable tire capable of avoiding abnormal wear of the edge of a tire crown in the early stage. The tire comprises a tire crown, a tire shoulder and a tire sidewall, the maximum width of a tire section is B, a horizontal shaft is located at the widest position of the tire section, and the tire sidewall above the horizontal shaft is an upper tire sidewall; the point D is located on the edge of the tire crown, the curvature radius of the widest position of the section of the upper tire side arc tire is R1, the arc corresponding to R1 is marked as the upper tire side arc R1, and the arc with the curvature radius R2 is marked as the upper tire side arc R2; wherein the circle center of the upper tire side arc R1 is on the horizontal axis, and the value of R1 is 1/3B-2/3B; the upper tire side arc R2 passes through the point D and is in reverse arc tangency with the upper tire side arc R1, and the circle center of the upper tire side arc R2