Invention Grant
- Patent Title: Aliphatic polyester multi-filament crimp yarn for a carpet, and production method thereof
- Patent Title (中): 用于地毯的脂肪族聚酯复丝卷曲纱及其制造方法
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Application No.: US10815772Application Date: 2004-04-02
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Publication No.: US07767120B2Publication Date: 2010-08-03
- Inventor: Daisuke Yahata , Kazuya Matsumura , Shinnichi Nishihata , Motokatsu Nishimura , Tatsuro Mizuki , Masakatsu Umeda , Takehiko Miyoshi , Kenzo Kubo
- Applicant: Daisuke Yahata , Kazuya Matsumura , Shinnichi Nishihata , Motokatsu Nishimura , Tatsuro Mizuki , Masakatsu Umeda , Takehiko Miyoshi , Kenzo Kubo
- Applicant Address: JP Tokyo
- Assignee: Toray Industries, Inc.
- Current Assignee: Toray Industries, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Morrison & Foerster LLP
- Main IPC: D01D5/22
- IPC: D01D5/22 ; D01F6/62 ; D02G1/12 ; D02G1/16
Abstract:
The present invention relates to multifilament crimped yarn comprising an aliphatic polyester and methods for producing thereof, and to carpets that are manufactured by using the crimped yarn. The present invention provides an aliphatic polyester multifilament crimped yarn for the carpets comprising an aliphatic polyester having a melting point of equal to or higher than 130° C., said multifilament crimped yarn having crimp elongation rate of the multifilament crimped yarn after being processed with boiling water of 3-35% and breaking strength of 1-5 cN/decitex.
Public/Granted literature
- US20040182064A1 Aliphatic polyester multi-filament crimp yarn for a carpet, and production method thereof Public/Granted day:2004-09-23
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