Simultaneous production of plurality of filament winding packages

Abstract

Simultaneous production of a large number of winding packages of filaments of flat, round or profiled cross section by apparatus including extrusion devices, at least one cooling device, guide means, after-treatment devices (stretching, heating, etc.) and winding devices.

The invention is hereby claimed as follows: 
     
       1. An arrangement for the simultaneous production of a large number of endless bundled profile strands of flat, round or profiled cross section of thermoplastic materials which comprises an extrusion press having an extrusion nozzle unit for simultaneously extruding a plurality of said profile strands perpendicularly downwardly, a cooling shaft therebelow with means for running extruded strands downwardly .[.and then upwardly.]. through the shaft .Iadd.and then upwardly.Iaddend., said means including at least one deflecting device for the deflecting of the downwardly running, cooled profile strands into the upward running direction, .[.at least one further deflecting device for the deflecting of the profile strands into the approximately horizontal on a higher plane,.]. a space saving arrangement of a plurality of .[.said.]. after-treatment means with .Iadd.vertical .Iaddend.contiguous paths for individual strands or sub-groups of said strands, said .Iadd.after-treatment .Iaddend.means including a large number of .[.adjacently arranged.]. .Iadd.side-by-side.Iaddend., strand-processing units allocated in each case to a strand or bundle of profile strands, each of which units includes at least a draw-off mechanism, a heating device, a stretching mechanism, and a winding device .[.and .]. .Iadd.in vertically spaced relationship to each other and providing the respective vertical, contiguous paths for said individual strands or sub-groups of said strands.Iaddend. , said after-treatment means and said winding devices being positioned separate from but near the nozzle unit and cooling .[.device.]. .Iadd.shaft .Iaddend.for after-treating and winding individual strands or sub-groups of strands extruded simultaneously from said nozzle unit .Iadd.and a plurality of strand-deflecting means above said strand-processing units for guiding said upwardly running profile strands first into a horizontal plane above said units and then, as individual strands or sub-groups of said strands, from said horizontal planes into the respective vertical paths to said after-treatment means. .Iaddend. 
     
     
       2. An arrangement according to claim 1, characterized by a strand-cooling device which is a short cooling shaft having a length sufficient only to provide a partial solidification of the profile strands, and a strand-moistening device at the outlet end of the cooling shaft for the further cooling and simultaneous finishing of the profile strands. 
     
     
       3. An arrangement according to claim 1, characterized by strand-guide means providing path lengths for at least a large number of strands which are approximately equal between the strand-cooling device and the respective after-treatment devices. 
     
     
       4. An arrangement according to claim 3, wherein said guide means comprises a plurality of deflecting devices for the strands or strand bundles. 
     
     
       5. An arrangement according to claim 1 characterized by a texturizing device at the exit end of the stretching mechanisms. 
     
     
       6. An arrangement according to claim 1 characterized by a ring-twist winding device at the outlet end of the stretching mechanisms. 
     
     
       7. An arrangement according to claim 1, characterized by an extrusion press installation for the production of bicomponent profile strands having two extruders adapted to be fed with different thermoplastic materials, and melt-conveyor pumps therefor. 
     
     
       8. An arrangement according to claim 1 wherein said .[.a.]. cooling shaft has means for spraying water mist into the shaft. .Iadd. 9. An arrangement according to claim 1 wherein said first-mentioned means embodies at least one deflecting device for deflecting said downwardly running, cooled profile strands upwardly back into said cooling shaft, and said further deflecting device including deflecting means for deflecting the upwardly running profile strands in said shaft laterally outwardly through an opening in the cooling shaft. .Iaddend..Iadd. 10. An arrangement according to claim 9 wherein said deflecting means is positioned in said opening. .Iaddend. .Iadd. 11. An arrangement according to claim 3 characterized by a texturizing device at the exit end of the stretching mechanisms. .Iaddend. .Iadd. 12. An arrangement according to claim 3 characterized by a ring-twist winding device at the outlet end of the stretching mechanisms. .Iaddend..Iadd. 13. An arrangement according to claim 3 wherein said cooling shaft has means for spraying water mist into the shaft. .Iaddend..Iadd. 14. An arrangement according to claim 3 wherein said first-mentioned means embodies at least one deflecting device for deflecting said downwardly running, cooled profile strands upwardly back into said cooling shaft, and said further deflecting device including deflecting means for deflecting the upwardly running profile strands in said shaft laterally outwardly through an opening in the cooling shaft. .Iaddend..Iadd. 15. An arrangement according to claim 14 wherein said deflecting means is positioned in said opening. .Iaddend. .Iadd. 16. An arrangement for the simultaneous production of a large number of endless bundled profile strands of flat, round or profiled cross section of thermoplastic materials which comprises an extrusion press having an extrusion nozzle unit for simultaneously extruding a plurality of said profile strands perpendicularly downwardly, a cooling shaft therebelow with means for running extruded strands downwardly through the shaft and then upwardly, said means including at least one deflecting device for the deflecting of the downwardly running, cooled profile strands into the upward running direction, at least one further deflecting device for the deflecting of the profile strands into the approximately horizontal on a higher plane, a space saving arrangement of a plurality of after-treatment means with contiguous paths for individual strands or sub-groups of said strands, said after-treatment means including a large number of adjacently arranged, strand-processing units allocated in each case to a strand or bundle of profile strands, each of which units includes at least a draw-off mechanism a heating device, a stretching mechanism, and a winding device, and said after-treatment means and said winding devices being positioned separate from but near the nozzle unit and cooling shaft for after-treating and winding individual strands or sub-groups of strands extruded simultaneously from said nozzle unit and further characterized by strand-guide means providing path lengths for at least a large number of strands which are approximately equal between the strand-cooling device and the respective after-treatment devices, said strand guide means embodying said aforementioned deflecting devices and additional strand deflecting devices, said additional strand deflecting devices embodying one strand deflecting member above each of said strand-processing units and other strand deflecting devices for deflecting respective individual strands or sub-groups of said strands to the respective strand deflecting members above each strand processing unit, and said other strand deflecting devices being positioned to provide equal path lengths for the respective individual strands or said sub-groups of strands from said further deflecting device via their respective additional strand deflecting devices to their respective strand-processing units. .Iaddend. .Iadd. 17. An installation for the continuous production and winding of synthetic, thermoplastic polymer filaments which comprises a first part of said installation in which a plurality of said filaments are spun and solidified, said first part comprising extrusion and nozzle means for extruding a plurality of filaments of a molten, synthetic, thermoplastic polymer, and cooling means to solidify the extruded filaments; a second part of said installation adjacent said first part, said second part comprising a plurality of side-by-side filament treatment means, each treatment means having filament-winding means preceded by first godet means and second godet means forming a filament stretching means;   and filament guide means for conducting all of said filaments collectively from said first part to and along a common horizontal path above the plurality of said treatment means and then, as individual filaments or sub-groups of filaments, into separate paths of said individual filaments or said sub-groups thereof running from said horizontal path to the respective first godet means of said respective treatment means, and said filament guide means embodying guide members spatially positioned to provide substantially equal path lengths for the respective filaments between said first part and their respective first godet means. .Iaddend.