Molding element comprising cutting means for molding and vulcanizing a tire tread
US9126377B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 14, 2012 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Dec 14, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/0616
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A molding element of a mold for molding and vulcanizing a tire tread, this tread comprising a tread surface intended to come into contact with the ground when the tire is running. The molding element comprises a molding surface intended to mold part of the tire tread surface and a blade of length L and of height H intended to mold a sipe or a groove in the tread. This blade comprises a rounded end extending along the length of the blade in a direction of extension X. The molding element further comprises two cutting means positioned on either side of the blade at a certain distance from this blade. Each cutting means comprises a cutting edge extending in the direction of extension, this cutting edge making an acute angle in a cutting plane perpendicular to this direction of extension, the height of this cutting edge being greater than or equal to the height of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.