- Patent Title: PARTIALLY SEPARATED FIBER BUNDLE, PRODUCTION METHOD OF PARTIALLY SEPARATED FIBER BUNDLE, FIBER-REINFORCED RESIN MOLDING MATERIAL USING PARTIALLY SEPARATED FIBER BUNDLE, AND PRODUCTION METHOD OF FIBER-REINFORCED RESIN MOLDING MATERIAL USING PARTIALLY SEPARATED FIBER BUNDLE
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Application No.: US16309391Application Date: 2017-06-01
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Publication No.: US20190161890A1Publication Date: 2019-05-30
- Inventor: Tetsuya Motohashi , Takafumi Hashimoto , Katsuhiro Miyoshi , Yoshihiro Kawahara , Tamotsu Suzuki , Chiasa Sato
- Applicant: Toray Industries, Inc.
- Priority: JP2016-121902 20160620; JP2016-121903 20160620; JP2016-123438 20160622
- International Application: PCT/JP2017/020403 WO 20170601
- Main IPC: D02J1/18
- IPC: D02J1/18 ; B29B15/12 ; B65H51/005 ; B29C70/18
Abstract:
A partially separated fiber bundle includes separation-processed sections and not-separation-processed sections that are alternately formed along the lengthwise direction of a fiber bundle that includes a plurality of single fibers, wherein the separation-processed sections include a plurality of separated bundles. The content of the not-separation-processed sections is 3% or more and 50% or less of the partially separated fiber bundle.
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