Screening for classifying a material
US8919568B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2011 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Dec 5, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B1/4681
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A screening having a plurality of warp elements. The plurality of warp elements includes first and second warp elements each having a plurality of undulations oriented in any desired manner including but not limited to horizontal or vertical. At least one retaining member is operably associated with the plurality of warp elements to form an integral screen segment having a plurality of openings. The first warp element has at least one characteristic different from the second warp element to prevent blinding of the screen segment. The at least one characteristic affecting movement of the first warp element and the second warp element when the screen segment is used to classify material such that at least one of amplitude and frequency of movement of the first warp screening element is different from that of the second warp element when subjected to the same operating condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.