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Title:
CARBON FIBER BULK
Document Type and Number:
WIPO Patent Application WO/2012/133614
Kind Code:
A1
Abstract:
In this method for producing carbon fiber bulk, carbon fibers are aligned in the axial direction and packed into a cylindrical member and the cylindrical member packed with the carbon fibers is stretched and reduced in diameter. This carbon fiber bulk is a long fiber wherein anisotropic carbon fibers are formed integrally into a bundle shape and carbon is attached to the carbon fibers within the carbon fiber bundle, the packing rate of the carbon fibers within the carbon fiber bundle being 75% or higher.

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Inventors:
SHIMIZU YASUO (JP)
SEKINO MITSURU (JP)
HAYAKAWA TAKENORI (JP)
SERIZAWA IZUMI (JP)
Application Number:
PCT/JP2012/058301
Publication Date:
October 04, 2012
Filing Date:
March 29, 2012
Export Citation:
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Assignee:
ORC MFG CO LTD (JP)
UNIV SHINSHU (JP)
SHIMIZU YASUO (JP)
SEKINO MITSURU (JP)
HAYAKAWA TAKENORI (JP)
SERIZAWA IZUMI (JP)
International Classes:
C01B31/02; H01B13/00; H01J9/02; H01J61/073
Foreign References:
JP2002235726A2002-08-23
JPH0881261A1996-03-26
JPH1088256A1998-04-07
JPS5796453A1982-06-15
JPH0483529A1992-03-17
JP2002184351A2002-06-28
Attorney, Agent or Firm:
MATSUURA TAKASHI (JP)
Takashi Matsuura (JP)
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