Tire curing bladder
US7128545B2 · kind B2 · utility
6Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2005 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Jun 14, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/0655
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An expandable, toroidal shaped bladder for use in a tire curing press has a pair of opposing annular beads and an expansion portion location between the pair of annular beads. The expansion portion of the bladder has a central portion, shoulder portions, and sidewall portions. When the bladder is in a mounted but uninflated mode, the shoulder portions of the bladder have a radius of curvature R1 significantly less than a radius of curvature Rc of the central portion. The shoulder portions have a bubble or square-like configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.