Method and apparatus for sorting utilizing a product rake and a relief valve
US6543619B1 · kind B1 · utility
2Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2001 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Mar 20, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B11/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and method for reducing the circling upward movement of a product such as waste paper entrained in a carrier stream. The invention includes a product rake placed within a discharge chute to capture and direct product within the product flow. A further aspect of the invention includes a relief valve integrated into the discharge chute to alleviate pressure in the discharge chute and allow excess air to be relieved from the discharge chute to control the product flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.