Patents Assigned to Bando Chemical Industries, Ltd.
  • LASHING TENSION VERIFICATION TOOL
    Publication number: 20170356819
    Abstract: A pair of insertion portions each having a through hole through which a lashing belt is inserted and extends are arranged at a predetermined distance from each other, and coupled to each other with coupling portions. A tension detecting portion is provided at the coupling portions. The tension detecting portion extends, at a predetermined vertical distance from a line connecting the through holes of the pair of insertion portions to each other, in a width direction of the lashing belt. In a state where the lashing belt is inserted to extend through the pair of insertion portions, a surface of the lashing belt is brought into contact with the tension detecting portion, and the tension detecting portion is configured to be broken when a predetermined or greater tension is applied to the lashing belt.
    Type: Application
    Filed: August 26, 2017
    Publication date: December 14, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Hirofumi MIYATA
  • CAPACITIVE SENSOR
    Publication number: 20170350686
    Abstract: Provided is a capacitive sensor in which fluctuation in the measured value of capacitance caused by the use environment is small.
    Type: Application
    Filed: October 15, 2015
    Publication date: December 7, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hideo OTAKA, Masaya YONEZAWA, Yusuke BESSHO
  • Friction drive belt and manufacturing method therefor
    Patent number: 9822842
    Abstract: In order to allow a friction drive belt to have an effect of reducing slip noise produced between the belt and pulleys for a long period even when the belt gets wet with water or suffers from wearing out, a V-ribbed belt B as the friction drive belt includes a belt body 10 made of a rubber composition and configured to be wrapped around the pulleys to transmit power. The surfaces of V-shaped ribs 15 serving as a pulley contact-side surface of the belt body 10 are covered with a fabric layer 16 which is integrated with the surfaces of V-shaped ribs 15, and the fabric layer 16 retains powder 17 embedded between fibers of the fabric layer 16 and integrally stuck.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: November 21, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Keisuke Yoshida, Sungjin Kim
  • ABRASIVE MATERIAL AND PRODUCTION METHOD OF ABRASIVE MATERIAL
    Publication number: 20170312886
    Abstract: It is an object of the present invention to provide an abrasive material which enables: processing efficiency and finished planarity of a substrate material to be simultaneously improved at a high level; polishing costs to be reduced; and a difficult-to-process substrate composed of sapphire or silicon carbide to be polished efficiently and precisely. An abrasive material comprises a substrate and an abrasive layer laminated on a front face side of the substrate, wherein the abrasive layer includes a binder containing an inorganic substance as a principal component, and abrasive particles dispersed in the binder, wherein a front face of the abrasive layer comprises a plurality of regions provided through dividing by grooves, and wherein a maximum peak height (Rp) on the front face of the abrasive layer is no less than 2.5 ?m and no greater than 70 ?m.
    Type: Application
    Filed: October 6, 2015
    Publication date: November 2, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Fumihiro MUKAI, Tomoki IWANAGA, Daisuke TAKAGI, Kazuo SAITO, Toshikazu TAURA
  • Clamping-type tensile force measurement device
    Patent number: 9784629
    Abstract: 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.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: October 10, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hirofumi Miyata, Yuta Hamasaki, Masanobu Eguchi, Haruki Shikasho
  • Conductive paste
    Patent number: 9783708
    Abstract: An conductive paste comprises inorganic particles having alkylamine with 6 or less of carbon number on at least a portion of a surface, a polymer dispersant having a pigment affinity group in a main chain and/or a plurality of side chains, and, that comprising a polymer with a comb structure having a plurality of side chains constituting a solvation portion, a polymer having a plurality of pigment affinity portions made from a pigment affinity group in the main chain or a straight-chain polymer having a pigment affinity portion made from a pigment affinity group in one terminal of the main chain, a dispersion medium, wherein a weight reduction percentage at the time of heating solid content of the conductive paste from room temperature to 500° C. by thermal analysis is 15% by weight or less.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: October 10, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Miki Matsui, Takuya Tomura, Tomofumi Watanabe, Kenji Shimoyama
  • Natural-frequency measurement device
    Patent number: 9778098
    Abstract: A natural-frequency measurement device for measuring the natural frequency of a belt includes: an acceleration sensor attached to a portion of the belt between an adjacent pair of pulleys to sense acceleration resulting from the vibration of the belt; and a measuring instrument configured to measure the natural frequency of the belt based on the acceleration sensed by the acceleration sensor.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: October 3, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hirofumi Miyata, Yoshikazu Wakizaka, Yasushi Chida
  • ABRASIVE FILM
    Publication number: 20170266781
    Abstract: 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.
    Type: Application
    Filed: August 5, 2015
    Publication date: September 21, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Toshikazu TAURA, Kazuo SAITO
  • Power transmission belt and belt transmission system including the power transmission belt
    Patent number: 9765851
    Abstract: A power transmission belt has a cord embedded in a belt body made of rubber. The cord 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.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: September 19, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Shogo Kobayashi
  • Transmission belt
    Patent number: 9709129
    Abstract: At least part of a belt body of a transmission belt contacting a cord is made of a rubber composition containing ethylene-?-olefin elastomer as a rubber component and formed in such a manner that the rubber component is mixed with ?,?-unsaturated fatty acid metallic salt and then is crosslinked using sulfur.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: July 18, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Hisashi Matsuda
  • Friction transmission belt
    Patent number: 9702434
    Abstract: A friction transmission belt includes short fibers arranged so as to protrude from a surface of a pulley contact-side part made of a rubber composition. The short fibers consist of aramid short fibers and non-aramid synthetic short fibers having a standard moisture regain of equal to or less than 4%.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: July 11, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji Takahashi, Takayuki Okubo, Yasuhiro Takano, Hiroyuki Tachibana, Tadahiko Noguchi
  • Notched transmission belt
    Patent number: 9677643
    Abstract: A notched transmission belt has a plurality of notches whose bottom in a cross-section taken along a plane orthogonal to the width direction of the belt includes a linear portion at a center, and recessed curved portions continuously formed at both sides of the linear portion.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: June 13, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadahiko Noguchi, Kyotaro Yanagi, Tomonari Nakamura, Takamitsu Akashi, Toshiaki Kitai
  • ABRASIVE FILM
    Publication number: 20170157745
    Abstract: 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/mm2. 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.
    Type: Application
    Filed: June 26, 2015
    Publication date: June 8, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Toshikazu Taura, Kazuo Saito
  • Toothed belt and belt reduction gear including the same
    Patent number: 9670985
    Abstract: A toothed belt includes: a back portion; and a plurality of helical teeth provided on an inner periphery of the back portion and disposed at a fixed pitch in a belt longitudinal direction. An angle ? between a tooth trace direction of the helical teeth and a belt lateral direction is in a range of 7 degrees to 10 degrees, both inclusive. A ratio A of a thickness tb of the back portion to a tooth height hb of the helical teeth, which is given by A=100×tb/hb, is in a range of 120% to 240%, both inclusive.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: June 6, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuji Sekiguchi, Eijiro Nakashima
  • Drive belt
    Patent number: 9664252
    Abstract: A power transmission belt is used by being wound around a flat pulley so that an outer peripheral surface thereof contacts with the flat pulley. A portion forming the outer peripheral surface is made of a rubber composition including an ethylene-?-olefin elastomer as a rubber component thereof. The dynamic viscoelasticity properties of the rubber composition in a belt length direction satisfy ((a loss tangent tan ? at a temperature of 25° C. and a dynamic strain of 3.0%)/(a storage elastic modulus E? at a temperature of 25° C. and a dynamic strain 3.0%))×1000?3.0 MPa?1, and (a storage elastic modulus E? at a temperature of 25° C. and a dynamic strain of 1.0%)/(a storage elastic modulus E? at a temperature of 25° C. and a dynamic strain of 3.0%)?1.30.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: May 30, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Hisashi Matsuda
  • Capacitance-type sensor sheet, method for manufacturing capacitance-type sensor sheet, and sensor
    Patent number: 9658120
    Abstract: A capacitance-type sensor sheet used for measuring an amount of stretch deformation and strain and/or distribution of stretch deformation and strain may include a dielectric layer made of an elastomer, an obverse-side electrode layer laminated on the obverse surface of the dielectric layer, and a reverse-side electrode layer laminated on the reverse surface of the dielectric layer. The obverse-side electrode layer and the reverse-side electrode layer may each contain carbon nanotubes and the average thickness of the each of obverse-side electrode layer and the reverse-side electrode layer may be 0.1 ?m or more and 10 ?m or less. The obverse-side electrode layer and the reverse-side electrode layer may be formed by applying a coating solution containing carbon nanotubes. The obverse-side electrode layer and the reverse-side electrode layer may each include a plurality of band-shaped bodies.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: May 23, 2017
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Hideo Otaka, Hideyuki Kato, Hideki Norisada, Takayuki Nagase
  • FINE SILVER PARTICLE DISPERSION, FINE SILVER PARTICLES, AND METHOD FOR PRODUCING SAME
    Publication number: 20170120394
    Abstract: 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 (log P) of the short chain amine is ?1.0 to 1.4.
    Type: Application
    Filed: June 4, 2015
    Publication date: May 4, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki Shingai, Takuya Tomura
  • CLAMPING-TYPE TENSILE FORCE MEASUREMENT DEVICE
    Publication number: 20170115173
    Abstract: 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.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 27, 2017
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hirofumi MIYATA, Yuta HAMASAKI, Masanobu EGUCHI, Haruki SHIKASHO
  • Power transmission belt and method for fabricating the same
    Patent number: 9625002
    Abstract: A power transmission belt includes a transparent or semitransparent sheet material covering a portion of a surface of a belt body including a mark. At least a portion of the belt body covered with the sheet material is made of a rubber composition vulcanized with sulfur. The sheet material is made of a rubber material containing a diene rubber. The sheet material is vulcanized with sulfur together with the rubber composition forming the portion of the belt body covered with the sheet material such that the sheet material is connected to the belt body.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: April 18, 2017
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yoshinori Yamaji, Kenji Hirakuni
  • Sealing blade for working machine
    Patent number: D807934
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: January 16, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Yuki Abe