METHOD FOR PRODUCING FRP CYLINDER AND FRP CYLINDER

WIPO Patent Application WO/2010/084809

A1

Provided are a method for producing a high strength and lighter weight FRP cylinder, and a FRP cylinder. In the method for producing the FRP cylinder wherein a plurality of prepregs formed by impregnating thermosetting resin sheets with reinforcing fibers are wound into a cylindrical shape, and are subjected to thermosetting to form a plurality of FRP layers, when the plurality of prepregs are wound into the cylindrical shape, a simultaneous multilayer winding step is performed wherein a torsional stiffness retention prepreg having a fiber layer obliquely crossing the axial direction of the cylinder, and a buckling prevention prepreg having a fiber layer orthogonally crossing the axial direction of the cylinder, are stacked and successively wound for a plurality of times.

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NAKAMURA,Takato (840 Mihashi 1-chome, Ohmiya-ku, Saitama-sh, Saitama 56, 〒3300856, JP)
中村　崇人 (〒56 埼玉県さいたま市大宮区三橋１丁目８４０番地　藤倉ゴム工業株式会社内 Saitama, 〒3300856, JP)
MATSUMOTO, Norio (840 Mihashi 1-chome, Ohmiya-ku, Saitama-sh, Saitama 56, 〒3300856, JP)

JP2010/050300

July 29, 2010

January 14, 2010

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FUJIKURA RUBBER LTD. (11-20, Nishi-Gotanda 2-chome Shinagawa-k, Tokyo 31, 〒1410031, JP)
藤倉ゴム工業株式会社 (〒31 東京都品川区西五反田２丁目１１番２０号 Tokyo, 〒1410031, JP)
NAKAMURA,Takato (840 Mihashi 1-chome, Ohmiya-ku, Saitama-sh, Saitama 56, 〒3300856, JP)
中村　崇人 (〒56 埼玉県さいたま市大宮区三橋１丁目８４０番地　藤倉ゴム工業株式会社内 Saitama, 〒3300856, JP)

B29C70/16; F16C3/02

MIURA, Kunio et al. (Nishiwaki Building 4F, 1-4 Kojimachi 4-chome, Chiyoda-k, Tokyo 83, 〒1020083, JP)

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