Patents Assigned to Bando Chemical Industries, Ltd.
  • Patent number: 10457845
    Abstract: A thermally conductive resin molded article having a resin and a thermally conductive filler is provided. The thermally conductive filler is oriented substantially in the thickness direction of the thermally conductive resin molded article. The volumetric filling factor of the thermally conductive filler in the thermally conductive resin molded article is 20-80% by volume. Weld lines in the resin are formed substantially in the thickness direction of the thermally conductive resin molded article. An oil component is included in the thermally conductive resin molded article.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: October 29, 2019
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Hiroki Naito, Masaya Miyake, Mukai Fumihiro
  • Patent number: 10456888
    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: Grant
    Filed: October 6, 2015
    Date of Patent: October 29, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Fumihiro Mukai, Tomoki Iwanaga, Daisuke Takagi, Kazuo Saito, Toshikazu Taura
  • Patent number: 10436286
    Abstract: An inner peripheral surface of a belt is cogged so that cogs extend in a belt width direction and are arranged adjacent to one another at regular intervals in a belt length direction. A tip portion of the cog and a bottom portion of a groove formed between the cogs have curved surfaces each having an arc-shaped cross section. A curvature radius of a cross-sectional shape of the bottom portion of the groove is set to be larger than a curvature radius of a cross-sectional shape of the tip portion of the cog.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 8, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Hirokazu Matsukawa
  • Patent number: 10427251
    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: Grant
    Filed: June 4, 2015
    Date of Patent: October 1, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki Shingai, Takuya Tomura
  • Patent number: 10408300
    Abstract: A toothed belt includes an uneven surface formed due to a weave pattern of a woven fabric or a knit loop pattern of a knitted fabric at a tooth bottom portion between toothed portions.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: September 10, 2019
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Yuji Sekiguchi, Shinji Suzuki
  • Patent number: 10391680
    Abstract: A method include: providing a cylindrical mold made of metal, a shaped structure having a cylindrical shape, a rotation mechanism configured to rotatably support the cylindrical mold, and an electromagnetic induction coil configured to heat the cylindrical mold through electromagnetic induction; setting the shaped structure inside the cylindrical mold; and molding a cylindrical belt slab by heating the cylindrical mold by the electromagnetic induction coil, while the cylindrical mold is rotated by the rotation mechanism and the shaped structure is pressurized from inside and pressed against the cylindrical mold.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: August 27, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Kouichi Tsujino, Hirokazu Sakurai, Hisashi Izumi, Masaki Miyanishi, Yusaku Taoshita
  • Patent number: 10377872
    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: Grant
    Filed: March 3, 2016
    Date of Patent: August 13, 2019
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Tomohito Ichiki, Saki Jindai
  • Patent number: 10365171
    Abstract: Provided is a capacitive sensor sheet for use in measuring at least one of an amount of strain due to elastic deformation and a distribution of strain due to elastic deformation, and the capacitive sensor sheet comprises: a dielectric layer; a top electrode layer laminated on the obverse surface of the dielectric layer; and a bottom electrode layer laminated on the reverse surface of the dielectric layer, wherein the dielectric layer is composed of an elastomer composition containing a urethane elastomer, and each of the top electrode layer and the bottom electrode layer is composed of an electroconductive composition containing carbon nanotubes.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: July 30, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Katsuhiro Kaneko, Hideo Otaka
  • Publication number: 20190211194
    Abstract: A rubber composition contains a rubber component, polyparaphenylene terephthalamide short fibers, silica, and carbon black. The content of the silica is larger than the content of the carbon black.
    Type: Application
    Filed: March 19, 2019
    Publication date: July 11, 2019
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Hisashi MATSUDA
  • Patent number: 10343358
    Abstract: A surface sheet which is to constitute a surface layer and a core sheet which is to constitute a core layer are prepared. A plurality of ridges is formed on the core sheet, and the surface sheet is bonded such that the surface sheet covers the plurality of ridges, thereby forming compression layer-forming portions.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: July 9, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Naohisa Harushige, Yohei Hattori, Koichi Hosokawa, Hisashi Izumi, Tomoaki Hata
  • Patent number: 10337849
    Abstract: A capacitive sensor includes a sensor sheet having a central electrode layer and a measuring instrument. A first dielectric layer is laminated on the upper surface of the central electrode layer. A second dielectric layer is laminated on the lower surface of the central electrode layer. A first outer electrode layer is formed on the surface of the first dielectric layer. A second outer electrode layer is formed on the surface of the second dielectric layer. The central electrode layer and the first outer electrode layer face each other at a first detection portion. The central electrode layer and the second outer electrode layer face each other at a second detection portion. Capacitances of the detection portions change with deformation. The state of deformation of the sensor sheet is measured on the basis of the total capacitance by adding the capacitances of the first detection portion and the second detection portion.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: July 2, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hideo Otaka, Masaya Yonezawa, Yusuke Bessho
  • Patent number: 10335910
    Abstract: 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.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: July 2, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuki Abe, Nariaki Iwasaki, Mitsuo Horiuchi
  • Publication number: 20190194498
    Abstract: The present invention provides an optically clear adhesive sheet capable of reducing peeling after bonding due to causes such as outgassing and having excellent environment resistance, using a polyurethane that has excellent flexibility and is capable of giving a thick film. The optically clear adhesive sheet contains a polyurethane, the polyurethane being a cured product of a polyurethane composition containing a polyol component and a polyisocyanate component, the polyisocyanate component including a hydrophilic polyisocyanate, the optically clear adhesive sheet having a moisture content of 400 ppm or lower as measured by a Karl Fischer method.
    Type: Application
    Filed: August 16, 2017
    Publication date: June 27, 2019
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Daisuke TAKAGI, Yuki HOSOKAWA, Yuzo OKUNO, Masaya MIYAKE
  • Publication number: 20190184676
    Abstract: The present invention addresses the problem of providing a surface protective film which is resistant to discoloration, expansion and the like caused by the penetration of a plasticizer. A surface protective film having, on the outermost surface thereof, a protective layer made of polycarbonate type polyurethane is provided as the solution of the problem.
    Type: Application
    Filed: August 22, 2017
    Publication date: June 20, 2019
    Applicants: BANDO CHEMICAL INDUSTRIES, LTD., WACOM CO., LTD.
    Inventors: Yutaka KAMADA, Arata TANI, Toshihiko HORIE, Soh KATO
  • Patent number: 10323717
    Abstract: In a friction transmission belt including a rubber layer forming a pulley contact surface, the rubber layer includes a rubber composition containing hydrophilic inorganic filler and a sliding-resistant material. The sliding-resistant material protrudes from the pulley contact surface, and is at least one of hydrophobic resin particles and hydrophobic resin fibers having an official regain of 0.4% or below, and in the rubber composition, a content of the hydrophilic inorganic filler with respect to 100 parts by mass of the rubber component is 35 parts by mass or more.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: June 18, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takayuki Okubo, Shinji Takahashi, Hideaki Kawahara
  • Patent number: 10309487
    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: Grant
    Filed: August 30, 2018
    Date of Patent: June 4, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takayuki Okubo, Shinji Takahashi, Hideaki Kawahara
  • Publication number: 20190161278
    Abstract: A conveyor apparatus includes an endless conveyor belt wound around outgoing path side guide pulleys in turn along a helical conveyance path in a bent state where the belt is folded in two in a width direction such that an upper edge portion thereof is supported by the outgoing path side guide pulleys, and wound around returning path side guide pulleys in turn along the helical conveyance path in the bent state where the belt is folded in two in the width direction such that the upper edge portion is supported by the returning path side guide pulleys, and folded back at each turning positions of a horizontal conveyance unit located at an upper side and a horizontal conveyance unit located at a lower side of the support frame and being in an expanded state where the belt expanded in the width direction in a vicinity of the turning position.
    Type: Application
    Filed: June 28, 2017
    Publication date: May 30, 2019
    Applicants: Furukawa Industrial Machinery Systems Co., Ltd., Bando Chemical Industries, Ltd.
    Inventors: Hiromi Katamata, Tsuyoshi Kitazawa, Ayumu Yokomaku, Akihisa Fujikake, Atsushi Fujita
  • Patent number: 10302513
    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: Grant
    Filed: July 3, 2018
    Date of Patent: May 28, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Yuta Hamasaki
  • Patent number: 10295025
    Abstract: A belt transmission system comprises: a first pulley; a second pulley; a belt; and an automatic tensioner having a first tension pulley and a second tension pulley applying tension to a portion of the belt located at a tension side and a portion of the belt located at a slack side of the belt, and an arm. Force from the belt makes the first tension pulley and the second tension pulley rotate in the same direction. When the first tension pulley rotates in a direction tensioning the belt, the second tension pulley also rotates in a direction tensioning the belt.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: May 21, 2019
    Assignee: Bando Chemical Industries, Ltd.
    Inventor: Keisuke Takenaka
  • Patent number: 10288505
    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: Grant
    Filed: August 26, 2017
    Date of Patent: May 14, 2019
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Hirofumi Miyata