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Dive into the research topics where Masataka Kumata is active.

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Featured researches published by Masataka Kumata.


Carbon | 1988

Fiber reinforced plastic drive shaft and method of manufacturing thereof

Masataka Kumata; Kazuo Emori; Masahito Mitsumori; Hideo Watanabe; Kazuaki Kobayashi

A fiber reinforced plastic drive shaft comprising a pair of metal joint members, an inner plastic layer extending over the entire length of the drive shaft and holding the metal joint members in both end portions thereof, and an outer plastic layer formed on the inner layer. The inner layer comprises continuous carbon fibers helically wound at 45-75 degrees to the axis of the drive shaft, while the outer layer comprises continuous fibers such as carbon fibers, glass fibers, polyester fibers and aramide fibers helically wound at 5-40 degrees to the axis of the drive shaft. The drive shaft has a greatly increased torsional strength and damping effect. The maximum damping effect is provided when the outer layer is formed only over the joint members.


Archive | 1989

A die system and method for molding fiber reinforced plastic moldings

Kenji Hamabe; Tomohiro Sakuraba; Hiroshi Kiyomoto; Kazuhiro Miura; Masato Ishibashi; Keiichi Satoh; Masataka Kumata


Archive | 2002

Vehicle body coating method for automobile

Koichiro Izumi; Masataka Kumata; Yasuhiro Yamada


Archive | 1989

PROCESS FOR THE HIGH SPEED PRODUCTION OF FIBER REINFORCED PLASTIC

Kenji Hamabe; Tomohiro Sakuraba; Hiroshi Kiyomoto; Kazuhiro Miura; Masato Ishibashi; Keiichi Satoh; Masataka Kumata


Archive | 1983

ARBRE DE COMMANDE OU TRANSMISSION EN MATIERE PLASTIQUE RENFORCE DE FIBRES, ET PROCEDE POUR SA FABRICATION

Masataka Kumata; Kazuo Emore; Masahito Mitsumori; Hideo Watanabe; Kazuaki Kobayashi


Archive | 1988

Method for the production of a molecular composite

Masataka Kumata; Hideo Nishino; Atsuko Takada


Archive | 1989

Interfacial method of producing prepolymer of aromatic polythiazole

Hideo Nishino; Tatsuya Hattori; Tsuneharu Kushida; Masataka Kumata


Archive | 1989

Prepolymer of aromatic polythiazole

Hideo Nishino; Tatsuya Hattori; Tsuneharu Kushida; Masataka Kumata


Archive | 1988

Method for the production of a molecular composite of rigid aromatic polymer

Masataka Kumata; Hideo Nishino; Atsuko Takada


Archive | 1990

Method of producing prepolymer of aromatic polythiazole in the presence of a phosphoric acid compound

Hideo Nishino; Tatsuya Hattori; Tsuneharu Kushida; Masataka Kumata

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