Process for producing preoxidized fiber spun yarns
AssigneeToho Beslon Co., Ltd.
InventorsKozo Yamada, Takenobu Hasebe, Kazuhisa Saito
Life of this patent
Estimating the term…
Abstract
A process for producing preoxidized fiber spun yarns is described comprising subjecting an acrylonitrile fiber tow to a preoxidation, applying a surface active agent, stretch cutting without crimping, crimping to form slivers, processing in a gilling step, and spinning; according to this process, short fibers and powders of fibers are formed to a lesser extent, and nebs, slubs and flies, etc. are caused to a lesser extent, and preoxidized fiber spun yarns having high quality are obtained in a high yield.
Claims13
A process for producing preoxidized fiber spun yarns comprising subjecting an acrylonitrile fiber tow to a preoxidation, applying a surface active agent, stretch cutting without crimping, crimping to form slivers, processing in a gilling step, and spinning.
Dependencies are inferred from the claim text.