Extrusion-fill method of producing an elastomeric spring
US4541978A · kind A · utility
2Cited by
15References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1983 |
| Grant date | Sep 17, 1985 |
| Priority date | — |
| Expiry date | Sep 15, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/774
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An elastomeric spring is formed by extruding a rubbery material into a reinforcing sleeve in a mold during relative motion between the mold and nozzle, and thereafter vulcanizing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.