Anti-noise device for tire
US9561692B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 13, 2013 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Jan 17, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C2011/1338
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Tread comprising at least one groove delimited by two walls facing one another, joined together by a groove bottom, this groove having a plurality of closure devices, each made up of at least one flexible blade (of thickness E suited to allowing flexing under the effect of a circulation of liquid in the groove, and secured to a wall delimiting the groove, each flexible blade bounded by a bottom wall facing the bottom of the groove, an end wall facing the other wall of the groove and a contact wall to come into contact with the roadway and lateral walls spaced apart from one another by a distance equal to the thickness E of the blade, the bottom wall of each flexible blade having a notch in the vicinity of the wall to which the blade is attached, wherein each flexible blade is connected to one of the walls delimiting the groove inside a housing (formed on the wall bearing the blade, each housing having a depth suited to containing in its entirety a notch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.