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Patent
Bando Chemical Industries Ltd. and Honda Corporation | Date: 2016-12-21

A double-cogged V-belt disclosed herein includes an endless cord-embedded portion 110 having a cord 112 embedded therein, a lower cogged portion 120 forming an integral part of the cord-embedded portion 110 on an inner peripheral surface thereof, and an upper cogged portion 130 forming an integral part of the cord-embedded portion 110 on an outer peripheral surface thereof The cord 112 causes a shrinkage of 1.2 % to 2.0 % when subjected to a thermal treatment at 120C for an hour. A rubber composition constituting the lower and upper cogged portions 120 and 130 has a hardness of less than 90 degrees.


Patent
Bando Chemical Industries Ltd. | Date: 2016-10-05

Provided is a stretchable electrode which has excellent flexibility, stretchability and electrical conductivity and is capable of suppressing increase of the electric resistance in being elongated and the occurrence of variation in the electric resistance during repeated stretching and contracting. The stretchable electrode of the present invention comprises a base formed of an elastomer composition and an electrode main body integrated with the base, wherein the electrode main body is formed using multi-walled carbon nanotubes having a fiber length of 50 m or more.


Patent
Bando Chemical Industries Ltd. | Date: 2016-03-23

Provided is a composition for metal bonding, especially a bonding composition containing metal particles, which is capable of achieving high bonding strength by bonding at a relatively low temperature without the application of a pressure, and which has heat resistance and is thus not susceptible to decrease in the bonding strength due to decomposition or deterioration of a resin component when the service temperature thereof is increased. A bonding composition which is characterized by containing two or more kinds of metal particles having different average particle diameters, an organic component and a dispersant, and which is also characterized in that the particle diameter ratio of the average particle diameter (DS) of metal particles (S) that have the smallest average particle diameter to the average particle diameter (DL) of metal particles (L) that have the largest average particle diameter, namely DS/DL is from 1 10-4 to 0.5.


Patent
Bando Chemical Industries Ltd. | Date: 2016-07-20

A V-belt (B) includes a rubber composition forming a portion (11) to be V-shaped side faces (110). Organic nano fibers (16) and organic short fibers (17) are included in the rubber composition, and oriented along a belt width. In the rubber composition, a ratio of a storage modulus in a grain direction to a storage modulus in cross-grain direction is 5 or greater.


Patent
Bando Chemical Industries Ltd. | Date: 2016-12-14

An object of the present invention is to provide a sealing member for machine tools which has excellent reliability because excellent sealability can be maintained for a long period of time and which can be manufactured efficiently at low cost. The sealing member for machine tools of the present invention includes a supporting member; a plate-shaped elastic member; and an adhesive layer which bonds the elastic member to the supporting member. The supporting member has a shape of a bent plate-like body, the elastic member is bonded to the supporting member via the adhesive layer laminated on a part of a front face of the elastic member so as to be curved along the bent shape of the supporting member, and a corner portion formed by a back face and one side face of the elastic member is assumed to be an edge portion in contact with an opposite material, and the one side face is formed by cutting.


Patent
Bando Chemical Industries Ltd. | Date: 2016-08-12

A power transmission belt has a front rubber face and a back rubber surface. The back rubber surface has an uneven surface of rubber which, when the power transmission belt is wound around a flat pulley, comes in contact with the flat pulley. The uneven surface of rubber has a pattern created by a mold having an impression of a surface of a woven fabric or a knitted fabric. The impression has projected parts and recessed parts, and each of the projected parts has a flat top surface. The power transmission belt is wound around a number of pulleys in a belt transmission system in which the pulleys include a flat pulley with which the uneven surface of the power transmission belt comes in contact.


Patent
Bando Chemical Industries Ltd. | Date: 2016-08-09

A method of manufacturing a power transmission belt includes: molding and vulcanizing an endless tension member layer in which a cord extending in a belt length direction is embedded; molding and vulcanizing a rubber member for a compressed rubber layer; and bonding together the tension member layer that has been vulcanized and the rubber member, that has been vulcanized, for the compressed rubber layer.


Patent
Bando Chemical Industries Ltd. | Date: 2016-03-30

A portion of a flat belt B, which serves as a belt inner peripheral surface, is made of a rubber composition. The rubber composition contains nanofibers of an organic fiber having a fiber diameter of 300 to 1000 nm.


Patent
Bando Chemical Industries Ltd. | Date: 2016-03-28

A V-belt (B) includes a rubber composition forming a portion (11) to be V-shaped side faces (110). Organic nanofibers (16) and organic short fibers (17) are included in the rubber composition, and oriented along a belt width. In the rubber composition, a ratio of a storage modulus in a grain direction to a storage modulus in cross-grain direction is 5 or greater.


Patent
Bando Chemical Industries Ltd. | Date: 2016-07-20

A portion (11) of a flat belt B which serves as a belt inner peripheral surface is made of a rubber composition. The rubber composition contains nanofibers (16) of an organic fiber having a fiber diameter of 300 to 1000 nm.

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