PRODUCTION OF BUNDLES OF DISCONTINUOUS FILAMENTS H
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专利名称：PRODUCTION OF BUNDLES OF DISCONTINUOUS FILAMENTS HAVING CREVASSE-LIKE CRACKS
发明人：TANGO YASUO,KANEZAKI MAKOTO 申请号：JP17565082 申请日：19821006 公开号：JPS5966519A 公开日：1984 04 16
申请人：ASAHI KASEI KOGYO KK
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摘要：PURPOSE:Bundles of continuous filaments are treatபைடு நூலகம்d with a shear force, as they are brought into contact with a coolant or immediately after contact, to form crevasses on filaments and cut each filament among the bundles, thereby the titled discontinuous fiber bundles with good antipilling properties are produced. CONSTITUTION:A bundle of continuous filaments are fed as it is separated into individual filaments uniformly in a certain width and thickness and brought into contact with a coolant such as ammonia kept below -5 deg.C in a tank 2 between the back roller 3 and a couple of middle rollers 4, 4', which differ in their surface speeds. During or immediately after the contact, while the elongation of the fiber is kept very low, the bundle is passed through the middle rollers 4, 4' to undergo shear force to form crevasse-like cracks on each filament. Then, drawing and/or shear force are applied to the bundle between the middle rollers 4, 4' and the front roller 5 to give the objective bundle of discontinuous filaments 6.
专利名称：PRODUCTION OF BUNDLES OF DISCONTINUOUS FILAMENTS HAVING CREVASSE-LIKE CRACKS
发明人：TANGO YASUO,KANEZAKI MAKOTO 申请号：JP17565082 申请日：19821006 公开号：JPS5966519A 公开日：1984 04 16
申请人：ASAHI KASEI KOGYO KK
更多信息请下载全文后查看
摘要：PURPOSE:Bundles of continuous filaments are treatபைடு நூலகம்d with a shear force, as they are brought into contact with a coolant or immediately after contact, to form crevasses on filaments and cut each filament among the bundles, thereby the titled discontinuous fiber bundles with good antipilling properties are produced. CONSTITUTION:A bundle of continuous filaments are fed as it is separated into individual filaments uniformly in a certain width and thickness and brought into contact with a coolant such as ammonia kept below -5 deg.C in a tank 2 between the back roller 3 and a couple of middle rollers 4, 4', which differ in their surface speeds. During or immediately after the contact, while the elongation of the fiber is kept very low, the bundle is passed through the middle rollers 4, 4' to undergo shear force to form crevasse-like cracks on each filament. Then, drawing and/or shear force are applied to the bundle between the middle rollers 4, 4' and the front roller 5 to give the objective bundle of discontinuous filaments 6.