D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
D01D 5/12 (2006.01) D02J 1/22 (2006.01) D04H 3/02 (2006.01) D04H 3/16 (2006.01)
Patent
CA 2451134
The present invention is directed to a draw jet (1) for drawing thermoplastic polymer filaments comprising a drawing slot (4) defined by an entrance member (6) comprising a converging passageway (10) communicating with a continuing passageway (12), terminating at an outlet portion, a drawing member (8) comprising an inlet portion having a drawing gap width of about 2.0 to about 10 mm communicating with said outlet portion of said entrance member, and at least one air nozzle (32) for directing high speed air onto said filaments in a downstream direction positioned between said outlet portion of said entrance member (6) and said inlet portion of said drawing member (8), and with a nozzle gap width (36) wherein the gap ratio of said drawing gap width to (30)the combined width of all of said nozzle gaps is from about 1.0 to about 10.
La présente invention concerne un jet d'air destiné à l'étirage de filaments polymères thermoplastiques, comprenant une ouverture d'étirage définie par un élément d'entrée formé par un passage convergent communiquant avec un passage continu, se terminant au niveau d'une partie de sortie, un élément d'étirage comprenant une partie d'entrée dont la largeur est comprise entre 2,0 et 10 mm environ, communiquant avec ladite partie de sortie dudit élément d'entrée, et au moins une buse d'air destinée à orienter un flux d'air à grande vitesse sur lesdits filaments dans un sens aval, positionnée entre ladite partie de sortie dudit élément d'entrée et ladite partie d'entrée dudit élément d'étirage. Le rapport de l'ouverture d'étirage à la somme des ouvertures de toutes les buses est compris entre 1,0 et 10 environ.
Davis Michael C.
Moore Michael John Sr.
Rudisill Edgar N.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
LandOfFree
Filament draw jet apparatus and process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Filament draw jet apparatus and process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filament draw jet apparatus and process will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1598563