Bando Chemical Industries Ltd.

Kōbe-shi, Japan

Bando Chemical Industries Ltd.

Kōbe-shi, Japan
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Patent
Bando Chemical Industries Ltd. | Date: 2017-05-17

An abrasive film capable of preventing an undercut of an optical fiber after polishing, while providing a great grinding force is provided. An abrasive film includes a substrate and an abrasive layer overlaid on a top face side thereof, the abrasive layer including a resin binder and abrasive particles dispersed in the resin binder; the content of abrasive particles having a primary particle size of no less than 70 nm being no less than 10% by mass and no greater than 50% by mass with respect to the total abrasive particles; the content of the abrasive particles in the abrasive layer being no less than 84% by mass; and the indentation hardness of the abrasive layer being no greater than 370 N/mm^(2). The abrasive particles are preferably silica particles. An average thickness of the abrasive layer is preferably no less than 4 m and no greater than 15 m.


Patent
Bando Chemical Industries Ltd. | Date: 2017-08-30

Provided is a capacitive sensor (1) in which fluctuation in the measured value of capacitance caused by the use environment is small. Disclosed is a capacitive sensor (1) which includes a sensor sheet (2) and a measuring instrument (3), the sensor sheet (2) including a central electrode layer (12A); a first dielectric layer (11A) laminated on the upper surface of the central electrode layer (12A); a second dielectric layer (11B) laminated on the lower surface of the central electrode layer (12A); a first outer electrode layer (12B) formed on the surface of the first dielectric layer (11A) on the opposite side of the central electrode layer (12A) side; and a second outer electrode layer (12C) formed on the surface of the second dielectric layer (11B) on the opposite side of the central electrode layer (12A) side, in which the first dielectric layer (11A) and the second dielectric layer (11B) are formed from elastomers, the part where the central electrode layer (12A) and the first outer electrode layer (12B) face each other is designated as a first detection portion, while the part where the central electrode layer (12A) and the second outer electrode layer (12C) face each other is designated as a second detection portion, the sensor sheet is (2) reversibly deformable, and the capacitances of the first detection portion and the second detection portion change with deformation. The state of deformation of the sensor sheet (2) is measured on the basis of the total capacitance by adding the capacitance of the first detection portion and the capacitance of the second detection portion.


Patent
Bando Chemical Industries Ltd. | Date: 2017-07-05

A toothed belt (B) includes an uneven surface formed due to a weave pattern of a woven fabric (16) or a knit loop pattern of a knitted fabric (16) at a tooth bottom portion (12) between toothed portions (11).


Patent
Bando Chemical Industries Ltd. | Date: 2017-01-11

The present invention has been made to provide a sensor device (1) capable of surely measuring such as a deformation amount of a measuring object, and the sensor device (1) in the present invention includes a sensor element (2) having a sheet-like dielectric layer (11) comprising an elastomer composition, and electrode layers (12A, 12B) comprising an electro-conductive composition containing carbon nanotubes and formed on a top surface and a bottom surface of the dielectric layer (11) to be at least partially opposed to each other across the dielectric layer (11), in which an opposed portion of the electrode layers (12A, 12B) serves as a detection portion, and the dielectric layer (11) is reversibly deformed to change an area of its main surface; a converter (3) electrically connected to the sensor element (2) and configured to convert capacitance at the detection portion varying in accordance with the deformation of the dielectric layer (11) to electric characteristics, and an output unit (4) configured to output information corresponding to the electric characteristics in a form recognizable by any of the five senses.


Patent
Bando Chemical Industries Ltd. | Date: 2017-02-22

Provided are: a bonding composition which is mainly composed of inorganic particles and is capable of providing a metal bonded body that has high shear strength and long-term reliability; and a metal bonded body using the bonding composition. The present invention relates to a bonding composition which contains inorganic particles and an organic component, and which is characterized in that the sulfur content in the bonding composition is 10% by atom or less relative to the total amount of the inorganic particles and the sulfur.


Patent
Bando Chemical Industries Ltd. | Date: 2017-02-15

An object of the present invention is to provide a sensor device which is used in the state of being bonded to a living body, thereby making it possible to trace a deformation of a surface of the living body easily and further attain the tracing surely. The sensor device includes a sensor element. The sensor element includes a sheet-like first dielectric layer including an elastomer composition; and a first electrode layer and a second electrode layer each including an electro-conductive composition containing carbon nanotubes. The first and the second electrode layers are formed on a top surface and a bottom surface of the first dielectric layer respectively, and are at least partially opposed to each other across the first dielectric layer. The at least partially opposed portions of the first and the second electrode layers constitute a detection portion, and the sensor element is reversibly deformable to change in an area of the top surface and the bottom surface of the first dielectric layer. The sensor device includes the measurement instrument for measuring a change in a capacitance of the detection portion. The sensor device is used in the state of being bonded to a living body and is utilized to trace a deformation of a surface of the living body.


Patent
Bando Chemical Industries Ltd. | Date: 2017-06-28

Provided is an abrasive film not likely to cause an end face defect of an optical fiber connector due to variation in load conditions during polishing, while providing a great grinding force. The abrasive film comprises a substrate film and an abrasive layer overlaid thereon, the abrasive layer comprising abrasive particles and a binder therefor and a wear quantity of the abrasive layer being from 10 mg to 25 mg. A content of the abrasive particles in the abrasive layer is preferably no less than 85% by mass. The abrasive particles preferably comprise first abrasive particles (primary particle diameter: of no less than 10 nm and less than 50 nm), and second abrasive particles (primary particle diameter: no less than 50 nm and less than 250 nm). An average thickness of the abrasive layer is preferably from 4 m to 15 m. The abrasive particles are preferably silica particles.


Patent
Bando Chemical Industries Ltd. | Date: 2017-04-26

Disclosed herein is a power transmission belt (B) having a cord (14) embedded in a belt body (10) made of rubber. The cord (14) is configured as a plied yarn with a total fiber fineness of 4000 to 5000 dtex. The plied yarn consists of four primarily-twisted yarns, each being obtained by subjecting a bundle of para-aramid fibers with a fiber fineness of 1000 to 1250 dtex to a primary twist in one direction at a twist coefficient of 1200 to 1350, and these four primarily-twisted yarns are then secondarily twisted in the opposite direction to the primary twist at a twist coefficient of 900 to 1100, thereby obtaining the plied yarn.


Patent
Bando Chemical Industries Ltd. | Date: 2017-01-06

Provided is a clamping-type tensile force measurement device configured to clamp a belt being used to lash a cargo and to measure a tensile force of the belt. The measurement device includes: a base having a pair of support rollers which are rotatable; and a lid connected to the base via a hinge portion such that the base and the lid form a foldable structure. A load cell is installed in a backside portion of the lid. A pressing plate having a pressing portion positioned to face a space between the pair of support rollers is provided on a backside of the lid.


Patent
Bando Chemical Industries Ltd. | Date: 2017-04-19

Provided are a fine silver particle dispersion which exhibits low temperature sinterability and in which fine silver particles are uniformly dispersed in a variety of solvents (and especially highly polar solvents); fine silver particles that exhibit low temperature sinterability and excellent dispersion stability in a variety of solvents (and especially highly polar solvents); a dispersion obtained using the fine silver particles; and a method for producing same. The fine silver particle dispersion is characterized by containing fine silver particles, a short chain amine having 5 or fewer carbon atoms, and a highly polar solvent and in that the partition coefficient (logP) of the short chain amine is -1.0 to 1.4.

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