| 摘要 |
PURPOSE: A tire patch for improving the frictional force of a vehicle tire is provided to increase the frictional force with a vehicle by positioning linear projections on an upper surface at alternate angles. CONSTITUTION: A tire patch(100) for vehicles comprises guides(30), an upper surface(10), and a lower surface. The guides are formed on both sides to prevent a tire from being separated. The upper surface is symmetrically formed. The upper surface comprises linear projections at alternate angles. The lower surface prevents the vehicle from moving back. The lower surface is formed at a different angle from the patterns of the linear projections. The lower surface comprises the linear projections between the guides. [Reference numerals] (11) A surface; (12) B surface; (AA) A-1 surface; (BB) A-2 surface; (CC) B-1 surface; (DD) B-2 surface
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