Rotary drum filter
US4308143A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1980 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Dec 8, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D33/073
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary drum filter apparatus comprising a rotary drum, a plurality of axial, parallel slots spaced circumferentially around the drum, a filter cloth positioned peripherally around the drum and portions thereof extending into each of the axial slots, flexible metal means inserted into each of the slots over the portion of the filter cloth extending into the slots and caulking means for holding each of the metal means and each of said portions of said filter cloth in a locked position in their respective axial slots. The metal means may comprise a stranded metal cable wherein caulking means are unnecessary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.