Multiple layer filter bag including abrasion-resistant material
US5358638A · kind A · utility
72Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1993 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Aug 27, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter unit and an integral collar. The bag filter unit has an outer layer having mesh of selective strand size and selective pore size to give added strength to the bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.