Apparatus and process for spinning polymeric filaments

Details Apparatus and process for spinning polymeric filaments Apparatus and process for spinning polymeric filaments

D - Textiles, Paper

01

D

D01D 5/092 (2006.01)

Patent

CA 2364228

A melt spinning apparatus for spinning continuous polymeric filaments including a first stage gas inlet chamber (105) adapted to be located below a spinneret (113) and optionally a second stage gas inlet chamber (106) located below the first stage gas inlet chamber. The gas inlet chambers supply gas to the filaments to control the temperature of the filaments. The melt spinning apparatus also includes a tube (119) located below the second stage gas inlet chamber for surrounding the filaments as they cool. The tube may include an interior wall having a converging section, optionally followed by a diverging section.

L'invention concerne un dispositif de filage par fusion destiné au filage de filaments polymériques en continu. Ledit dispositif comprend une première chambre d'admission (105) de gaz adaptée pour être située en-dessous d'une filière (113) et, éventuellement, une seconde chambre d'admission (106) de gaz située en-dessous de la première chambre d'admission de gaz. Les chambres d'admission de gaz alimentent en gaz les filaments afin de réguler leur température. Le dispositif de filage par fusion comprend également un tube (119) situé en-dessous de la seconde chambre d'admission de gaz, destiné à entourer les filaments pendant qu'ils refroidissent. Le tube peut comprendre une paroi intérieure avec une partie convergente et, éventuellement, une partie divergente.

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