Pleated air filter with bridging filaments and continuous-contact filaments
US12017175B2 · kind B2 · utility
0Cited by
25References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2019 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Apr 9, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2275/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pleated air filter media is provided. The pleated air filter media comprises a plurality of upstream linear bridging filaments that are extrusion-bonded to at least some of a plurality of upstream pleat tips of a fibrous web, and a plurality of downstream continuous-contact filaments that are extrusion-bonded to a downstream face of the fibrous web. Methods of making and using the same are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.