Linear fibrous formation with a coating of polymeric nanofibers enveloping a supporting linear formation constituting a core, a method and a device for producing it
US10927480B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jun 1, 2016 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Aug 25, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2401/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method, system, and resulting linear fibrous formation are provided wherein a supporting linear formation defines a core that is transported through a spinning chamber. A coating of polymeric nanofibers enveloping the supporting linear formation in the spinning chamber. The coating of polymeric nanofibers comprises a flat stripe wound around the core into a helical form, the flat stripe created from a hollow electrically neutral nanofibrous plume generated in a spinning space above a spinning electrode during spinning by AC electric voltage in the spinning chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.