A spin pack assembly for use in melt spinning elastic fibers. The spin pack assembly includes a circular breaker plate having a center aperture and several circular patterns of apertures with each circular pattern having a plurality of apertures. Each circular pattern is located concentrically about an axis of the center aperture. The apertures in the outer circular patterns have a greater diameter than the apertures in the inner circular patterns. The spin pack assembly also has a spinneret plate where the exit aperture of the spinneret plate is recessed in the body of the spin pack assembly.
申请公布号
WO2007076380(A3)
申请公布日期
2007.12.13
申请号
WO2006US62348
申请日期
2006.12.20
申请人
LUBRIZOL ADVANCED MATERIALS, INC.;VEDULA, RAVI R.;BRYSON, JR., JAMES E.