Patent ID: 7344668
Filing Date: 2008-03-18
Classification: B29C,B29K,B29L,D01F,D02J

Abstract:
1. A process for drawing a gel-spun multi-filament yarn comprising the steps of: a) forming a gel-spun polyethylene multi-filament feed yarn comprising a polyethylene having an intrinsic viscosity in decalin at 135° C. of from 5 dl/g to 35 dl/g, fewer than two methyl groups per thousand carbon atoms, and less than 2 wt. % of other constituents; b) passing said feed yarn at a speed of V c) passing said feed yam continuously through said oven and out of said oven at an exit speed of V and wherein the mass throughput of yarn passing through the oven is at least 0.25 grams/minute per yarn end.