Compaction methods and apparatus
US6247662A · kind A · utility
33Cited by
6References
8Claims
0Family size
Inventor
Key dates
| Filing date | May 3, 1999 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | May 3, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B11/24
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A compaction apparatus (2) has a screw conveyor (4) for conveying, waste material through a passage (6) and compacting it therein. An exit nozzle (10) is arranged to communicate with the passage (6). The nozzle (10) has a transverse internal cross-sectional area which enlarges and reduces respectively in response to increasing and decreasing material pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.