Compacting press with expandable body
US4370120A · kind A · utility
8Cited by
3References
7Claims
0Family size
Inventors
Key dates
| Filing date | Jan 23, 1981 |
| Grant date | Jan 25, 1983 |
| Priority date | — |
| Expiry date | Jan 23, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7506
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An expandable member is disclosed that includes a molded body of elastomeric material with a core embedded therein. At least a portion of the core is not bonded to the body. A fluid conduit is provided through which fluid can be injected between the core and the unattached portion of the body to move the core and the unattached portion apart and expand the member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.