Filter screen assembly
US5137622A · kind A · utility
62Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 2, 1990 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Apr 2, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4084
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An assembly comprises a rectangular principal frame (12) of moulded plastics material and subdivided by crosspieces (14, 16) to form sub-areas (18). Each sub-area receives as a releasable snap-fit a plastics moulded insert (20) in the form of a sub-frame carrying one or more tensioned screen meshes (FIG. 1). A peripheral sealing gasket may seal the joint between each sub-area (18) and the insert (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.