Method of making multi-pocket filter
US6159316A · kind A · utility
4Cited by
15References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1999 |
| Grant date | Dec 12, 2000 |
| Priority date | — |
| Expiry date | Jan 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1084
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter element, as in a filter bag, comprises a pocket having partitions between the side walls to form pocket portions. The margins of the partitions are welded ultrasonically to the inner surface of the layers. The inlet end of the partitions may be split into flaps to ease connection of the bag to a header frame. A simple yet effective method and apparatus may be utilizable to make the filter element, and a bag including it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.