Flexible molding device for molding a sunk groove, a sunk blade, and a large keyhole sipe in tire tread
US7507078B2 · kind B2 · utility
6Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2007 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Oct 26, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/058
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tire mold and a molding device for forming a sunken groove, sipe in a tire is provided. The molding device molding device comprises a flexible member and a blade element, the flexible member having a distal end for mounting to a tire mold, a radiused midsection and a second end, wherein a portion of the second end is embedded within the blade element, the blade element having a lower surface with a cutout to allow bending of the flexible member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.