Covered yarn material for heating blanket felt, covered yarn, and woven product thereof
US12104285B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2022 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Nov 26, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A covered yarn material for a heating blanket felt, a covered yarn, and a woven product thereof are provided. The covered yarn material includes a skin-layer material and a core-layer material, where the skin-layer material includes 20 wt % to 30 wt % of a powder melt mixture and 80 wt % to 70 wt % of a mixed-melt raw material; the core-layer material includes 100 wt % of a core-layer filament; the powder melt mixture is composed of the following components: 20 wt % of a carbon nanotube (CNT), 35 wt % of a graphite powder, 25 wt % of a copper powder, and 20 wt % of a jade ore powder; the mixed-melt raw material includes one or more from the group consisting of polyethylene terephthalate (PET), polyamide (PA) 6, PA66, polyphenylene sulfide (PPS), liquid crystal polymer (LCP), and polycarbonate (PC); and the core-layer filament includes one or more from PET, PA66, PPS, and LCP.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.