Method and apparatus for control of dual collapsible mandrels
US6602372B1 · kind B1 · utility
10Cited by
2References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2000 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Nov 20, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/3214
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus providing for minimization of the separation of a plurality of radially collapsible, generally circular, mandrels which are mounted for axial movement along the longitudinal axis of a central shaft. The method and apparatus is useful for shaping of a green vehicle tire carcass employing a shaping drum which includes dual mandrels which are axially displace able along the longitudinal axis of the drum and adapted to engage respective ones of first and second beads of the carcass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.