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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Dref Friction Spinning ： ウィキペディア英語版 Dref Friction Spinning Friction Spinning or Dref Spinning is a textile technology that suitable for spinning coarse counts of yarns and technical core-wrapped yarns. Dref yarns are bulky, with low tensile strength making them suitable for blankets and mop yarns, they can be spun from asbestos, carbon fibres and make filters was water systems. Yarns such as Rayon and Kevlar can be spun using this method. The technology was developed around 1975 by Dr. Ernst Fehrer. ==Spinning Technologies== There are three current technologies used today for spinning fibres, Roving spinning which uses the legacy ring -spinning technology of the twentieth century, Open end, Rotor or Break Spinning used for high quality threads and Dref friction spinning for other yarns. Friction spinning is the fastest of all these techniques though the yarn is irregular and bulkier, making it suitable only for some applications. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dref Friction Spinning」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.