Tire for driving on ice
US9022085B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 27, 2009 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Apr 11, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C11/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire (10) for driving on ice, comprising: a tread (20) having a rolling surface configured to come into contact with the ground when the tire is rolling along, and two lateral faces (27), this tread comprising at least one groove (25, 26) in the rolling surface; at least one stud (30) having a longitudinal axis (33), a part (31) of the stud projecting from the rolling surface, the intersection between the stud and the plane tangential to the portion of the rolling surface around the stud forming a contour C, that part of the stud that projects from the rolling surface having a minimum cross section Sm, Sm corresponding to the smallest cross section of the said part in any plane containing the radial direction that passes through the point of intersection between the longitudinal axis of the stud and the plane tangential to the portion of the rolling surface around the stud; at least one conduit (200-205) that forms, on the rolling surface of the tire, at least two opposing edges (211, 221; 212, 222; 213, 223), the minimum distance D between the conduit and the contour C being less than or equal to 1 cm, the conduit opening into the groove and/or onto a lateral face of the tread; …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.