Filtering fabric and process for forming same
US11596817B2 · kind B2 · utility
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16Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 24, 2021 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Aug 24, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2571/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Embodiments disclosed herein include a stitched filtering fabric including a barrier layer configured to inhibit air flow through the filtering fabric, a yarn stitched through and forming a plurality of stitch holes in the barrier layer, and a first yarn layer comprising interlocking loops of the yarn. The barrier layer is configured to direct air flow through the yarn within the stitched holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.