Tire for driving on ice
US9925834B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2015 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | Apr 15, 2036 |
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 with a groove, a stud (30) with a part (31) thereof projecting from the rolling surface and having a minimum cross section Sm; a conduit (200-205) that forms, on the rolling surface of the tire, two opposing edges (211, 221; 212, 222; 213, 223), the conduit opening into the groove and/or onto a lateral face of the tread; wherein, for each stud, the sum of the mean cross sections Sn of the conduits, each mean cross section Sn being measured at right angles to one of the opposing edges formed by the conduit, is greater than or equal to half the minimum cross section Sm of that part of the stud that projects from the tread.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.