Patents Assigned to Bando Chemical Industries, Ltd.
  • FRICTION TRANSMISSION BELT
    Publication number: 20180372184
    Abstract: In a friction transmission belt including a rubber layer forming a pulley contact surface, the rubber layer includes a rubber composition containing polyolefin particles and an inorganic filler. In the rubber composition, a total content of the polyolefin particles and the inorganic filler with respect to 100 parts by mass of a rubber component is 85 parts by mass or more.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takayuki OKUBO, Shinji TAKAHASHI, Hideaki KAWAHARA
  • OPTICAL TRANSPARENT ADHESIVE SHEET, METHOD FOR PRODUCING OPTICAL TRANSPARENT ADHESIVE SHEET, LAMINATED BODY, AND DISPLAY DEVICE WITH TOUCH PANEL
    Publication number: 20180354229
    Abstract: The present invention provides an optically clear adhesive sheet with reduced delay bubble generation using a thermosetting polyurethane composition that has excellent flexibility and is capable of giving a thick film. The optically clear adhesive sheet of the present invention is an optically clear adhesive sheet formed of a cured product of a thermosetting polyurethane composition, the optically clear adhesive sheet having a shear storage modulus (G?) at 85° C. of 4.5×103 to 5.0×104 Pa, a loss tangent (tan ?) at 85° C. of 0.3 to 0.97, and a thickness of 50 to 2000 ?m. The optically clear adhesive sheet preferably has an adhesive strength measured by a 180° peel test of 2 N/25 mm or more.
    Type: Application
    Filed: November 14, 2016
    Publication date: December 13, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Jun ONISHI, Soichiro NAKANE, Yuki HOSOKAWA
  • Power transmission belt and belt transmission system
    Patent number: 10151374
    Abstract: 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.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: December 11, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Takayuki Kusano
  • SURFACE PROTECTIVE FILM LAMINATE, SURFACE PROTECTIVE FILM AND PRODUCING METHOD THEREOF
    Publication number: 20180345639
    Abstract: The present invention addresses the problem of providing a surface protective film laminate, surface protective film and its producing method. The surface protective film which has excellent smoothness, light transmission properties, transparency, scratch resistance, weather resistance and self-healing properties. The present invention provides, as a solution, a surface protective film wherein three layers, namely, a protective layer, a transparent base film and a pressure-sensitive adhesive layer are laminated in this order, said protective layer being formed of a thermosetting polyurethane which is a cured product of a polyether polyol, an aliphatic isocyanate, an alcohol-based curing agent and a non-amine catalyst.
    Type: Application
    Filed: November 14, 2016
    Publication date: December 6, 2018
    Applicants: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.
    Inventors: Yutaka KAMADA, Arata TANI, Toshihiko HORIE, Soh KATO
  • TENSION MEASUREMENT DEVICE
    Publication number: 20180328803
    Abstract: A tension measurement device includes: a pair of rotatable first support rollers; a pressing portion arranged to face a midpoint between the pair of first support rollers; and a load cell capable of measuring a load applied to the pressing portion, and is capable of measuring a tension by clamping a lashing belt between the pair of first support rollers and the pressing portion. A pair of rotatable second support rollers is arranged to face the pair of first support rollers.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 15, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Yuta HAMASAKI
  • BONDING COMPOSITION
    Publication number: 20180297112
    Abstract: A bonding composition which can give high bonding strength by a relatively low bonding temperature, and at the same time, can inhibit the formation of the fillet while maintaining the sufficient spreading over the interface to be bonded, is provided. The present invention is related to a bonding composition comprising inorganic particles as a primary component and an organic component as a secondary component, wherein a viscosity of the composition decreases upon a rise in temperature, and the inorganic particles are sintered to each other following the decrease in viscosity. It is preferred that the viscosity at around 25° C. of the bonding composition is 10 to 50 Pa·s at a shear of 10 s?1.
    Type: Application
    Filed: November 1, 2016
    Publication date: October 18, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Naoya NAKAJIMA
  • OPTICALLY TRANSPARENT PRESSURE-SENSITIVE ADHESIVE SHEET, LAMINATE, PROCESS FOR PRODUCING LAMINATE, AND DISPLAY DEVICE WITH TOUCH PANEL
    Publication number: 20180282586
    Abstract: The present invention provides an optically clear adhesive sheet using a heat-curable polyurethane composition, wherein the optically clear adhesive sheet can, when bonded to an adherend such as a glass plate, prevent the occurrence of air bubbles even at high temperature and normal humidity and maintain a stable bonded interface. The optically clear adhesive sheet of the present invention is an optically clear adhesive sheet containing: a cured product of a heat-curable polyurethane composition, the heat-curable polyurethane composition containing a polyol component and a polyisocyanate component, the polyol component having an olefin skeleton, the polyisocyanate component containing an acyclic aliphatic polyisocyanate and/or an alicyclic polyisocyanate.
    Type: Application
    Filed: September 26, 2016
    Publication date: October 4, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki HOSOKAWA, Jun ONISHI, Soichiro NAKANE
  • Power transmission belt
    Patent number: 10024389
    Abstract: A frictional transmission belt according to the present disclosure has a belt body wound around a pulley to transmit power. The belt includes a water absorptive fabric covering at least one side of the belt body that contacts with the pulley.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: July 17, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Sungjin Kim, Sakae Umeda, Yuji Nakamoto, Keiichiro Shimono
  • GRINDING MATERIAL AND PRODUCTION METHOD OF GRINDING MATERIAL
    Publication number: 20180185985
    Abstract: The purpose of the present invention is to provide a grinding material which has a superior grinding rate and planarizing accuracy, with the grinding rate being less likely to be reduced over a relatively long period of time. The present invention is directed to a grinding material including a base, a grinding layer overlaid on a front face side of the base and including grinding grains and a binder for the grinding grains, and an adhesion layer overlaid on a back face side of the base, in which the grinding grains are diamond grinding grains, a wear quantity of the grinding layer as determined by a Taber abrasion test is no less than 0.03 g and no greater than 0.18 g, and, an Asker D hardness measured from a front face side of the grinding layer is no less than 80° and no greater than 98°.
    Type: Application
    Filed: May 24, 2016
    Publication date: July 5, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Kazuo SAITO, Kenji SHIMOYAMA, Tomoki IWANAGA, Toshikazu TAURA
  • Toothed belt, production method therefor, and belt transmission device
    Patent number: 10006518
    Abstract: A toothed belt includes an endless back portion, a plurality of belt teeth arranged on a face of the back portion at predetermined intervals in a longitudinal direction of the back portion; and a core made of an elastic knitted or unwoven fabric and embedded in the back portion. Both of the belt teeth and the back portion are made of rubber. The core is not exposed from inter-tooth portions which are located between the belt teeth. In the core, a difference between the position of a point that is closest to the belt teeth in a belt thickness direction and the position of a point that is closest to a back face of the belt in the belt thickness direction is limited to 0.5 mm or less.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: June 26, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Yuji Sekiguchi, Tomonari Nakamura, Tadahiko Noguchi, Takamitsu Akashi
  • Polyurethane transmission belt and belt-molding material
    Patent number: 10000621
    Abstract: An object is to provide a polyurethane transmission belt offering excellent durability, as well as a belt-molding material for manufacturing such transmission belt. As a solution, a polyurethane transmission belt is provided that contains 1,2-cyclohexane dicarboxylic acid diisononyl ester expressed by Chemical Formula (1) below.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: June 19, 2018
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Shigeyuki Fujioka
  • Transmission belt manufacturing method and transmission belt
    Patent number: 10000029
    Abstract: 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.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: June 19, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Hirofumi Miyata, Soichiro Nakane, Hisashi Izumi
  • FINE SILVER PARTICLE COMPOSITION
    Publication number: 20180133847
    Abstract: Provided are a fine silver particle composition which is usable as a bonding composition and a fine silver particle composition which can give high bonding strength at a low bonding temperature. The fine silver particle composition comprises: fine silver particles, a dispersant containing an alkoxyamine, and a dispersing medium; wherein a content of the dispersant is 0.1 to 7.0% by mass relative to a content of the fine silver particles, and a weight loss when heating from room temperature to 200° C. is 70% by mass or more of the whole organic components.
    Type: Application
    Filed: April 1, 2016
    Publication date: May 17, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Miki MATSUI, Naoya NAKAJIMA, Tomofumi WATANABE
  • CAPACITIVE SENSOR SHEET AND SENSOR DEVICE
    Publication number: 20180116559
    Abstract: The present invention relates to a capacitive sensor sheet for measuring the amount of deformation of a measuring object with high sensitivity and high accuracy.
    Type: Application
    Filed: March 28, 2016
    Publication date: May 3, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hideo OTAKA, Masahi OHTA, Kazuaki MATSUDA
  • OPTICAL TRANSPARENT ADHESIVE SHEET, METHOD FOR PRODUCING OPTICAL TRANSPARENT ADHESIVE SHEET, LAMINATE AND DISPLAY DEVICE WITH TOUCH PANEL
    Publication number: 20180112112
    Abstract: The present invention provides an optically clear adhesive sheet having excellent environment resistance using a heat-curable polyurethane composition that has excellent flexibility and is capable of giving a thick film. The optically clear adhesive sheet of the present invention is formed of: a cured product of a heat-curable polyurethane composition, the heat-curable polyurethane composition containing a polyol component, a polyisocyanate component, and a tackifier, the polyol component having an olefin skeleton, the polyisocyanate component being a modified polyisocyanate that is obtained by reacting an acyclic aliphatic and/or alicyclic polyisocyanate containing an isocyanate group with an ether compound containing an ethylene oxide unit.
    Type: Application
    Filed: April 28, 2016
    Publication date: April 26, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Jun ONISHI, Yuki HOSOKAWA
  • CONDUCTIVE COATED COMPOSITE BODY AND METHOD FOR PRODUCING SAME
    Publication number: 20180114609
    Abstract: A conductive coated composite body is disclosed which has both good adhesion of a conductive coating film to a base and excellent electrical conductivity of the conductive coating film at the same time even in cases where a glass base or a base having low heat resistance is used; and a method for producing this conductive coated composite body. A conductive coated composite body includes: a base; a resin layer that is formed on at least a part of the base; and a conductive coating film that is formed on at least a part of the resin layer. The conductive coating film is a sintered body of silver fine particles; the main component of the resin layer is a polyurethane resin having an elongation at break of 600% or more; and the polyurethane resin has one of the functional groups represented by —COO—H, —COOR, —COO?NH+R2 and —COO?NH4+.
    Type: Application
    Filed: February 19, 2016
    Publication date: April 26, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takuya Tomura, Yuki Shingai
  • Friction transmission belt and method for fabricating same, and belt transmission system
    Patent number: 9951844
    Abstract: A friction transmission belt has a belt body made of a rubber composition and wrapped around pulleys to transmit power. The belt includes a thermoplastic resin film provided to coat a pulley contact surface of the belt body, and a powder layer comprised of reduced friction coefficient powder particles provided on a surface side of the thermoplastic resin film. The powder layer includes powder particles buried in the thermoplastic resin film, powder particles carried and exposed on the surface of the thermoplastic resin film, and powder particles agglomerated and adhering to the powder particles carried and exposed on the surface of the thermoplastic resin film.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: April 24, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Keisuke Yoshida
  • Friction transmission belt
    Patent number: 9927002
    Abstract: A friction transmission belt includes a belt body, formed of a rubber composition, looped over a pulley, and transmitting power. The friction transmission belt includes a reinforcing fabric wrapping at least a surface, of the belt body, in contact with the pulley. The reinforcing fabric is a knitted fabric, and on the surface of the belt body in contact with the pulley, a wale direction of the reinforcing fabric is a direction in which the friction transmission belt travels.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: March 27, 2018
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Sungjin Kim, Hideaki Kawahara, Osamu Takahashi
  • V-belt and production method therefor
    Patent number: 9909647
    Abstract: 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.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: March 6, 2018
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Keizo Nonaka, Yasuhiro Takano
  • FOAMABLE RESIN COMPOSITION AND MOLDED FOAM
    Publication number: 20180051151
    Abstract: The present invention provides a foamable resin composition excellent in terms of the dispersibility and moldability. The foamable resin composition containing: from 30 to 80 wt % of a polyolefin; from 3 to 40 wt % of a polylactic acid; from 1 to 20 wt % of a modified polyolefin containing a carbonyl group in a molecule; from 10 to 40 wt % of a layered silicate; and from 0.01 to 0.5 wt % of a filler, the polyolefin containing at least one of polypropylene and polyethylene, the filler having a density different from the density of the layered silicate by at least 0.20 g/cm3.
    Type: Application
    Filed: March 3, 2016
    Publication date: February 22, 2018
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomohito ICHIKI, Saki JINDAI