Cord comprising multifilament para-aramid yarn comprising non-round filaments
US10633767B2 · kind B2 · utility
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Key dates
| Filing date | Apr 21, 2016 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Aug 6, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2331/021
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cord including multifilament para-aramid yarn comprising filaments, wherein the filaments have a non-round cross section having a smaller and a larger dimension, where the cross-sectional aspect ratio between the larger and the smaller dimension is 1.5-10 and the smaller dimension of the cross section has a maximum of 50 μm and wherein the para-aramid has at least 90% para bonds between the aromatic moieties. The cords have excellent fatigue properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.