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1.发明授权Spinneret for producing circular cross section yarn and process for making the same 有权喷丝头生产圆形横截面的纱线，以及它们的制备方法
公开(公告)号：EP1529856B1
公开(公告)日：2009-02-25
申请号：EP04256711.5
申请日：2004-10-29
Applicant: INVISTA Technologies S.à.r.l.
Inventor： Nunley, Lance E. , Steele, Ronald E.
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2.发明公开Spinneret for producing circular cross section yarn and process for making the same 有权喷丝头生产圆形横截面的纱线，以及它们的制备方法
公开(公告)号：EP1529856A1
公开(公告)日：2005-05-11
申请号：EP04256711.5
申请日：2004-10-29
Applicant: INVISTA Technologies S.à.r.l.
Inventor： Nunley, Lance E. , Steele, Ronald E.
Abstract: A melt extrusion spinneret plate has at least one non-circular capillary orifice for producing at least a single filament of circular cross-sectional shape. This non-circular cross-sectional shape of the extrusion capillary, when used to extrude filaments of circular cross-sectional shape, extends the spinneret wipe life by lessening the amount of thermal deposits, which extends the time between wipe cycles. As a result of increased wipe life, the productivity of the process is increased.
Abstract translation: 熔融挤出的喷丝头板具有用于至少制造圆形横截面形状的单丝的至少一个是非圆形的毛细管口。 挤出毛细管的该非圆形横截面形状，当用于挤出圆形横截面形状的长丝，延伸喷丝头通过减少热沉积物的量，延伸擦周期之间的时间擦拭寿命。 由于增加的擦拭生活的结果，过程的生产率得以提高。
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