Methods and equipment for gathering fibres
US11272733B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 18, 2017 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Mar 12, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24D3/0229
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of, and equipment for gathering fibres (12) entrained a gas stream, for example by melt blowing, comprises an enclosure (50) having an inlet (57), through which a gas stream carrying entrained fibres (12) may be directed into the enclosure (50), a fibre outlet (58) from which an assembly of gathered fibres (12) may be withdrawn from the enclosure (50) and an exhaust outlet (41) through which gas may pass out of the enclosure (50). The enclosure (50) is constructed to provide a pathway for the fibres (12) from the inlet (57) to the fibre outlet (58) in which surplus gas in the gas stream is separated from the entrained fibres (12) and directed to the exhaust outlet (41), thereby reducing turbulence in the fibres (12) in the enclosure (50) which may affect the quality of the finished assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.