Pulverization process of a vulcanized rubber material
US7654477B2 · kind B2 · utility
3Cited by
17References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2003 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | May 17, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for producing a rubber powder from a vulcanized rubber material by the steps of: a) feeding a grinding device with the vulcanized rubber material; b) contacting the vulcanized rubber material with at least one liquid coolant; c) introducing at least one grinding aid additive into the grinding device; d) operating the grinding device so as to grind the vulcanized rubber material to form a rubber powder, and e) discharging the rubber powder from the extruder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.