ECSP972064A - IMPROVEMENTS IN THE PRODUCTION OF CONTINUOUS FILAMENT NON-WOVEN FABRICS - Google Patents
IMPROVEMENTS IN THE PRODUCTION OF CONTINUOUS FILAMENT NON-WOVEN FABRICSInfo
- Publication number
- ECSP972064A ECSP972064A ECSP972064A ECSP972064A EC SP972064 A ECSP972064 A EC SP972064A EC SP972064 A ECSP972064 A EC SP972064A EC SP972064 A ECSP972064 A EC SP972064A
- Authority
- EC
- Ecuador
- Prior art keywords
- line
- extrusion
- multifilament
- winder
- continuous filaments
- Prior art date
Links
- 239000004745 nonwoven fabric Substances 0.000 title abstract 2
- 238000001125 extrusion Methods 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000004744 fabric Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Se proveen un proceso y un aparato mejorados para la formación de una tela fibrosa por extrusión de filamentos continuos adecuados para su utilización en usos finales de no tejidos. Se extruye por fusión un material polimérico termoplástico procesable por fusión para formar una línea devanadora multifilamentar, se lo enfría y enrolla alrededor de por lo menos dos rodillos espaciados de tracción accionada y rodeados por una envoltura antes de ser recogido para formar un tejido y se lo adhiere para formar un producto no tejido por extrusión de filamentos continuos. Los rodillos de tracción ejercen una fuerza de tracción sobre la línea devanadora multifilamentar de manera de lograr el estiramiento de una línea devanadora multifilamentar fundida antes de que se complete la solidificación. La envoltura posibilita la auto-hilación de la línea devanadora alrededor de los rodillos de tracción. Un chorro neumático ubicado en el extremo de salida de la envoltura contribuye al contacto de lalínea devanadora mutifilamentar con los rodillos de tracción para facilitar la imposición de una fuerza de tracción uniforme y expele la línea multifilamentar en su sentido longitudinal hacia un soporte donde se la recoge. Se posibilita la formación de una tela no tejida por extrusión de filamentos contínuos de manera eficiente.An improved process and apparatus are provided for the formation of a fibrous web by extrusion of continuous filaments suitable for use in non-woven end uses. A melt processable thermoplastic polymeric material is melt extruded to form a multifilament winder line, cooled and wound around at least two spaced driven pull rollers and surrounded by a wrapper before being picked up to form a fabric and processed. Adheres to form a nonwoven by extrusion of continuous filaments. The pull rollers exert a pulling force on the multifilament winder line so as to achieve the stretch of a molten multifilament winder line before solidification is complete. The wrap enables self-spinning of the winder line around the drive rollers. A pneumatic jet located at the outlet end of the casing contributes to the contact of the mutifilamentary unwinder line with the traction rollers to facilitate the imposition of a uniform traction force and expels the multifilamentary line in its longitudinal direction towards a support where it is collected. . The formation of a non-woven fabric is made possible by extrusion of continuous filaments efficiently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ECSP972064 ECSP972064A (en) | 1997-03-21 | 1997-03-21 | IMPROVEMENTS IN THE PRODUCTION OF CONTINUOUS FILAMENT NON-WOVEN FABRICS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ECSP972064 ECSP972064A (en) | 1997-03-21 | 1997-03-21 | IMPROVEMENTS IN THE PRODUCTION OF CONTINUOUS FILAMENT NON-WOVEN FABRICS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ECSP972064A true ECSP972064A (en) | 1998-04-07 |
Family
ID=42042897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ECSP972064 ECSP972064A (en) | 1997-03-21 | 1997-03-21 | IMPROVEMENTS IN THE PRODUCTION OF CONTINUOUS FILAMENT NON-WOVEN FABRICS |
Country Status (1)
| Country | Link |
|---|---|
| EC (1) | ECSP972064A (en) |
-
1997
- 1997-03-21 EC ECSP972064 patent/ECSP972064A/en unknown
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