Apparatus for melt spinning multifilament yarns
US5612063A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1992 |
| Grant date | Mar 18, 1997 |
| Priority date | — |
| Expiry date | Sep 2, 2012 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01D5/092
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for melt spinning multifilament yarns from fiber-forming polymers at wind-up speeds of at least 2,000 m/min, includes a spinnerette, a porous tube for solidifying the filaments, a convergence element for the filaments and a wind-up device. The apparatus further includes, at least between the spinnerette and the convergence element, an essentially vertical spinline. The porous tube is open in the spinning direction and concentric relative to the spinline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.