Sumitomo Electric Industries, Limited

Hitachi, Ltd.

Kousuke Tanaka

Kazuhiro Sato

Hiroyasu Sugiyama

Tsuyoshi Ikada

Toshiaki Kakii

Yoshiaki Nagao

Tomohiko Ueda

Toshifumi Hosoya

Takehiro Hosokawa

Reishi Naka

Isao Kobayashi

Keiichi Tanaka

Kazuyoshi Kuroishi

Kazuaki Negishi

Shinsuke Niiyama

Toshio Akiyoshi

Keitaro Miyazawa

Hideo Kuroda

Katuhiko Gotoo

An optical fiber ribbon comprising a plurality of the coated optical fibersarranged in plane and flame-retardant filmsandto integrate the coated optical fibersis provided. The flame-retardant filmsandhave an adhesive layerformed thereon, and a plurality of the coated optical fibersarranged in plane are integrated by the adhesive layer. The optical fiber ribbonin this constitution uses flame-retardant films, wherein the ribbon thickness can be lowered and separation of single fiber can be facilitated by tearing off the film.

Tape-like optical fiber core, production method therefor, tape core-carrying connector, tape core-carrying optical fiber array, and optical wiring system

A lead and a nonaqueous electrolyte battery including the lead that is given a non-chromium surface treatment and have excellent resistance to hydrofluoric acid. The lead includes: (1) a metal lead made of nickel, nickel plated copper, or copper; (2) a composite coating layer that is formed on a portion of the surface of the metal lead that is hermetically attached to the package, the composite coating layer being formed by applying a treatment liquid that contains a salt of zirconium, a salt of titanium, or a salt of molybdenum and a resin component containing polyacrylic acid; and (3) an insulator that is arranged outside the composite coating layer and hermetically attached to the package. The nonaqueous electrolyte battery having the lead connected to positive or negative electrode of the nonaqueous electrolyte battery.

Lead and nonaqueous electrolyte battery including same

Tensile strength of a tape layer in the lengthwise direction is selected to be higher than adhesive force of the tape layer to optical fiber cores. Further, position limiting portionsby which the positions of a plurality of optical fiberscan be limited are formed in a flexible filmfor tape core assembly which film is used for integrating the plurality of optical fibersas a tape. Further, a ribbon-like optical fiber core assemblyaccording to the invention including a plurality of optical fiber coresarranged planarly at designated intervals, an adhesive layerdisposed so as to surround the optical fiber cores, and filmsandintegrated with the optical fiber coresby the adhesive layer

Ribbon-like optical fiber core assembly, method for producing the same, tape core assembly-containing connector, tape core assembly-containing optical fiber array, and optical wiring system

A positioning of a plurality of optical fibersis performed by a pair of position regulating membersandThen, the paired position regulating membersandare moved along two guide membersin such a manner as to have a predetermined distance therebetween. A ribbon support memberis placed between the paired position regulating membersandin such a way as to support the optical fibersThe plurality of optical fibersare held and fixed by the holding membersandFurther, the plurality of optical fibersput on the ribbon support memberare sandwiched by the ribbon support memberand the pressing toolopposed thereto. In a terminal portion structureof a ribbon fiberterminal portions of optical fibersare arranged horizontally in parallel, an adhesive tape is stuck onto at least one of upper and lower surfaces of at least the terminal portions.

Tool and method for assembling linear elements into ribbon shape, and linear elements assembled into ribbon shape and terminal portion structure of the same

A rigid polyurethane foam obtained by foaming a special polyol component and an isocyanate component in the presence of a blowing agent comprising water and at least one member selected from the group consisting of 1,1-dichloro-2,2,2-trifluoroethane and 2,2-dichloro-2-monofluoroethane possesses balanced excellent properties, has no surface void, and shows only slight expansion after molding. Therefore, it can be effectively used as a heat insulator, in particular, a heat insulator for refrigerators.

Rigid polyurethane foam and process for producing the same

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Tochigi, Japan

Kousuke Tanaka