Apparatus for treatment of solid material
US5335590A · kind A · utility
34Cited by
18References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1992 |
| Grant date | Aug 9, 1994 |
| Priority date | — |
| Expiry date | Oct 30, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2207/24
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An apparatus is provided that comprises a self-stacking spiral conveyor that traverses through a circulating atmosphere. The atmosphere is manipulated by one or more chambers having an open side adjacent to the perforated sides of the spiral conveyor. Additional control over the circulating atmosphere may be achieved by injection or ejection of gas into one or more chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.