Dome shaped extrusion filter support
US5449459A · kind A · utility
10Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1993 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | May 13, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/184
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a filter support for use as part of a screened packing, or filter system, in an extrusion process, wherein the filter support provides a rigid wall in the shape of a dome featuring flow passage holes through the wall such that the longitudinal axis of each hole is perpendicular to a plane tangent to the surface of the dome at the location of the hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.