Tubular knitted filter cover and process for preventing runs
US5401409A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 27, 1993 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Apr 27, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/0609
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
At both ends of a filter cover (6), respectively in the fastening area of the filter cover on draining element (1), bondings or settings (12, 14, 15, 16, 17, 18, 19, 10, 21) of stitches (10) are applied, which are interrupted in one or more of first rows of stitches (11) and are offset in one or more rows of stitches at the end of the fastening area in the peripheral direction. In a modification, setting (22) of stitches (10) at the end of the fastening area is placed uninterrupted in the peripheral direction. These settings partially or completely allow runs in the fastening area of a filter cover (6), so that, on the one hand, an enlargement of filter cover (6) is made possible for the assembly, and, on the other hand, the formation of runs outside the fastening area is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.