Adjustable orifice trommel
US5437374A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1993 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Jul 23, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B1/469
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material, and an exit for retrieving screened material. The trommel includes a plurality of flat inner plates, each inner plate having a plurality of openings. An outer plate is provided for each inner plate slidable axially in relation to the inner plate, each outer plate having a plurality of openings matable with the inner plate openings so that moving the outer plate with respect to the inner plate will vary the size of the orifices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.