Title:
CARBON FIBER PACKAGE
Document Type and Number:
Japanese Patent JP2006151690
Kind Code:
A
Abstract:
To provide carbon fiber superior in dispersiveness and high speed loosening-extending performance, a package optimal for such carbon fiber, and a fiber reinforced composite material having a superior quality and a grade.
In this carbon fiber package with yarn wound on an internal loosening-extending bobbin, the loop spreading ratio x% satisfies an expression 1 : 100<x<150. The loop spreading ratio x% and a crest angle w° of the package innermost layer also satisfy an expression 2 : 300<xw<3000.
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Inventors:
KONDO TAKASHI
HOSOHARA SADAO
WASHIYAMA MASAYOSHI
HOSOHARA SADAO
WASHIYAMA MASAYOSHI
Application Number:
JP2005310906A
Publication Date:
June 15, 2006
Filing Date:
October 26, 2005
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B65H55/04; D01D7/00; D01F9/22; D02G3/16; D02J1/22
Domestic Patent References:
| JPH0797138A | 1995-04-11 | |||
| JP2003268674A | 2003-09-25 |