Vibratory screening machine and vibratory screen and screen tensioning structure
US6669027B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1999 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Mar 22, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B1/485
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A vibratory screening machine having opposite sides with a plurality of stationary aligned tensioning members mounted on one side and a plurality of nut actuated movable tensioning members mounted on the opposite side and a vibratory screening screen mounted on the stationary and movable tensioning members. The tensioning members have upstanding fingers which are received in apertures in the plates of the vibratory screen, and the edge portions of the vibratory screen include screening material which extends all of the way to the extreme edges of the supporting plate and the fingers are below the screening material. Also, the tensioning structure is mounted on the side walls of the vibratory screening machine below the vibratory screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.