Filtration media, pleated media pack, filter cartridge, and methods for manufacturing
US10953360B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2019 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Jun 26, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/527
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Filter media includes a filtration substrate having a first side and a second side, and constructed for filtering a fluid by flow of the fluid therethrough. The filtration substrate has a machine direction extending from a first end to a second end, and a cross direction extending from a first edge to a second edge. The filtration substrate includes a plurality of corrugations extending in the machine direction. The plurality of corrugations include a plurality of first crests formed along the first side and a plurality of second crests formed along the second side. The filtration substrate includes a plurality of bosses along the plurality of first crests or along the plurality of second crests and extending in a direction away from the other of the plurality of first crests or the plurality of second crests. Media packs, filter elements, and methods of making are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.