Mitsui Kensetsu Kabushiki Kaisha

Sumiyuki Matsubara

Tadashi Okamoto

Masahisa Handa

Koichi Hasuo

A reinforcing member for civil and architectural structures is made up of a mixture of reinforcing fibers and thermoplastic fibers which become thermoplastic at a temperature which is lower than a temperature at which the reinforcing fibers become thermoplastic. The thermoplastic fibers may be mixed into each bundle of the reinforcing fibers. The mixture may be formed by arranging respective fiber bundles of the reinforcing fibers and fiber bundles of the thermoplastic fibers. It may also be made by mixing the thermoplastic fibers and an electrically conductive heat-generating wiring material into the reinforcing fibers.

Reinforcing member for civil and architectural structures

A process relating to the manufacturing of a structural reinforcing material which is made of a glass fiber reinforced plastic, a carbon fiber reinforced plastic or similar material wherein a precise sectional shape is not required. A fiber body including a plurality of reinforcing fibers is impregnated with a hardenable material and subsequently introduced into a drawing die having a desired sectional shape so as to be formed into a drawn article having a predetermined sectional shape. A tape is coiled therearound so as to cover the article. A string member is coiled therearound to thrust into the surface of the article. Thereafter, the drawn fiber body is subjected to a hardening treatment and the tape and string member are removed.

Process for manufacturing of structural reinforcing material

A reinforcing structural material is provided made of a plurality of fiber assembly cords interwoven into a braid, each of the cords being comprised of a plurality of fibers, and the braids being impregnated with a bonding agent for bonding together the fibers and cords. The reinforcing braid is useful for reinforcing a fibrous inorganic composite providing a product which is light in weight but excellent in strength characteristics.

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Matsudo, Japan

Sumiyuki Matsubara