Patents Assigned to Bando Chemical Industries, Ltd.
  • Patent number: 10906216
    Abstract: The present invention provides a method for manufacturing a molded foam product which can reduce or prevent blisters and crinkles on the surface even in the case of manufacturing a molded product designed to have a small thickness, thereby giving a molded foam product having excellent heat insulation while avoiding an increase in the amounts of materials used.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: February 2, 2021
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Tomohito Ichiki, Saki Jindai
  • Publication number: 20210002466
    Abstract: A crosslinked rubber composition contains a rubber component and para-aramid short fibers having a filament fineness of 2.5 dtex or more and dispersed in the rubber component.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Takayuki OKUBO, Masashi KITATSUJI, Takuya MORI, Taiichi OKADA
  • Publication number: 20210001612
    Abstract: The present invention addresses the problem of providing a surface protection film having superior oil resistance. Provided is a surface protection film having a coating layer obtained by curing an isocyanate compound, on one surface of a protection layer formed of a polyurethane.
    Type: Application
    Filed: March 14, 2019
    Publication date: January 7, 2021
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yutaka KAMADA, Kazumi SAKANO
  • Publication number: 20200398464
    Abstract: A foam molded article having excellent shock resistance and inhibited from swelling, and a method for producing the foam molded article. The foam molded article has a bottom portion and a side face portion. The bottom portion has a cross-section including, in order, a first skin layer, a first foam layer, a belt-like resin layer, a second foam layer and a second skin layer. The diameter of the bottom portion is 20 mm or more. The thickness of the bottom portion is 2.0 mm or more. The angle between the bottom portion and the side face portion is 40° or more and 89° or less. The foam molded article satisfies: B/3?A?3B; A represents a length between an opposite surface of the bottom portion to a side where the side face portion is disposed and an upper end of the side face portion, and B represents the bottom portion diameter.
    Type: Application
    Filed: January 11, 2019
    Publication date: December 24, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomohito ICHIKI, Minoru AYUHA, Yasumasa OKUNO, Saki MATSUMOTO
  • Publication number: 20200391459
    Abstract: An uncrosslinked rubber shaped structure for belt production is placed in a belt mold with the uncrosslinked rubber shaped structure having a bent portion that is bent inward. A space inside the uncrosslinked rubber shaped structure is partitioned into a first space and a second space. The first space corresponds to a first shaped structure portion of the uncrosslinked rubber shaped structure, the first shaped structure portion including the bent portion. The second space corresponds to a second shaped structure portion of the uncrosslinked rubber shaped structure that is a portion of the uncrosslinked rubber shaped structure except the first shaped structure portion. An expansion member is expanded in the second space to press the second shaped structure portion toward the belt mold.
    Type: Application
    Filed: August 27, 2020
    Publication date: December 17, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventor: Toshiro OKAMOTO
  • Publication number: 20200376628
    Abstract: An object of the present invention is to provide a grinding material in which grinding portions can be increased in thickness while a decrease in grinding rate is inhibited. The grinding material according to the present invention includes a base, and a grinding layer overlaid on a front face side of the base and containing abrasive grains and a binder. The grinding layer includes a plurality of columnar grinding portions. The plurality of the grinding portions are configured so that the grinding portions are arranged in a staggered manner. The average thickness of the grinding portions is no less than 300 ?m. The area of a top face of each of the grinding portions is no less than 6 mm2. The average thickness of the base is no less than 300 ?m and no greater than 3,000 ?m.
    Type: Application
    Filed: November 15, 2018
    Publication date: December 3, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Soichiro NAKANE, Tomoki IWANAGA
  • Publication number: 20200362940
    Abstract: A cord of a toothed belt is made of a twisted yarn including a band-like material. The band-like material includes a filament bundle of high-strength glass fibers integrated together through a binder. The binder contains a rubber component, at least either a maleimide-based compound or a polyisocyanate compound, and a powdery inorganic filler. A surface of a reinforcing fabric facing opposite to the toothed belt body is coated with a surface-coating rubber layer made of a rubber composition containing a rubber component including hydrogenated nitrile-butadiene rubber as a main part.
    Type: Application
    Filed: August 1, 2020
    Publication date: November 19, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yosuke KAGI, Masaki KIMURA, Masaki OCHIAI, Takayuki KUSANO
  • Patent number: 10836888
    Abstract: A power transmission belt is at least partially formed of a rubber composition. The rubber composition contains a rubber component, cellulose nanofibers, and carbon black. The amount of the cellulose nanofibers to be added is from 0.1 parts by mass to 20 parts by mass, relative to 100 parts by mass of the rubber component. The amount of the carbon black to be added is from 5 parts by mass to 80 parts by mass, relative to 100 parts by mass of the rubber component. The sum of the amount of the carbon black to be added and three times the amount of the cellulose nanofibers to be added is from 15 to 90.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 17, 2020
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Shogo Kobayashi, Hiroyuki Tachibana, Taiki Tsuchiya, Keiichiro Matsuo
  • Patent number: 10822471
    Abstract: A friction drive belt (B) includes a belt body (10) that is wrapped around pulleys in contact therewith to transmit power. At least a pulley contact portion (15) of the belt main body (10) is made of a rubber composition containing 30-80 parts by mass of at least one layered silicate selected from a smectite group and a vermiculite group, per 100 parts by mass of raw rubber containing an ethylene-?-olefin elastomer.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: November 3, 2020
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Shinji Takahashi, Kenichiro Furuta, Hiroyuki Shiriike, Tomoyuki Yamada, Hiroyuki Tachibana
  • Publication number: 20200339840
    Abstract: The present invention addresses the problem of providing a surface protection film which provides an excellent writing sensation when a touch pen is used thereon and excellent scratch resistance against a touch pen. As a solution, provided is a surface protection film which has on the outermost surface thereof a protection layer formed of a polyurethane, wherein the polyurethane has an international rubber hardness degree (IRHD) of 87.0-98.0 and a tan ? peak value of 0.6 or more.
    Type: Application
    Filed: May 29, 2018
    Publication date: October 29, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yutaka KAMADA, Arata TANI, Toshihiko HORIE, Soh KATO
  • Patent number: 10808823
    Abstract: A toothed pulley P is made with a thermoplastic resin and includes a pulley body with an outer circumference along which teeth are arranged at a constant pitch. The pulley body is made of a resin composition containing a copolymer of nylon 6T and nylon 11 and glass fibers with a flat cross section.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: October 20, 2020
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Motoyoshi Yoshikawa, Eiichiro Ikeda
  • Patent number: 10794450
    Abstract: A power transmission belt at least includes a bottom rubber layer. A rubber composition for forming the bottom rubber layer contains a rubber component, cellulose fine fibers, and short fibers. The cellulose fine fibers have an average diameter from 1 nm to 200 nm, and the rubber composition contains 0.5 parts by mass or more of the cellulose fine fibers relative to 100 parts by mass of the rubber component. The short fibers have an average diameter from 5 ?m to 30 ?m, and the rubber composition contains 1 part by mass or more of the short fibers relative to 100 parts by mass the rubber component.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: October 6, 2020
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Taiki Tsuchiya, Shogo Kobayashi, Keiichiro Matsuo, Hiroyuki Tachibana
  • Publication number: 20200298374
    Abstract: A grinding material includes a base sheet and a grinding layer overlaid on a front face side of the base sheet and including abrasive grains and a binder for the abrasive grains. The grinding layer includes the abrasive grains of a plurality of types. Of the abrasive grains of the plurality of types, provided that first abrasive grains have the largest average diameter and second abrasive grains have the second largest average diameter, the percentage of the average diameter of the second abrasive grains with respect to that of the first abrasive grains is 5-70%. The total content of the abrasive grains in the grinding layer is preferably 50-85% by volume. The content of the first abrasive grains in the grinding layer is preferably 1-25% by volume. The first abrasive grains are preferably diamond abrasive grains and the second abrasive grains are preferably alumina abrasive grains.
    Type: Application
    Filed: January 19, 2017
    Publication date: September 24, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Daisuke TAKAGI, Tomoki IWANAGA, Kazuo SAITO, Toshikazu TAURA
  • Patent number: 10767727
    Abstract: A toothed belt is provided with toothed portions arranged at a regular pitch in a belt length direction. A belt body is made of a rubber composition containing, as a main ingredient of a rubber component, ethylene-?-olefin elastomer having an ethylene content of 44% by mass to 66% by mass. A reinforcing fabric is adhered to a surface of the belt body on a toothed side, with a reinforcing fabric adhesion coat interposed between the reinforcing fabric and the belt body. The reinforcing fabric adhesion coat is made of a rubber composition containing hydrogenated nitrile-butadiene rubber as a main ingredient of a rubber component.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: September 8, 2020
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yasuhiko Yoshida, Atsushi Taga, Yoshitaka Meki, Eijiro Nakashima
  • Patent number: 10759093
    Abstract: According to a production method of a power transmission belt, a shaped structure having a cylindrical shape is placed radially inward of belt mold having a cylindrical shape. The shaped structure is provided on a mandrel and has a plurality of ridges arranged adjacent to one another in an axial direction of the shaped structure. The belt mold has a plurality of compression layer-shape grooves arranged adjacent to one another in an axial direction of the belt mold. The shaped structure is crosslinked by heating and pressing the shaped structure toward the mandrel while each of compression layer-forming portions, which are comprised of the plurality of ridges of the shaped structure, is fitted in an associated one of the compression layer-shape grooves of the belt mold, thereby molding a cylindrical belt slab.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: September 1, 2020
    Assignee: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masaki Miyanishi, Naohisa Harushige, Yohei Hattori, Takashi Matsuoka, Yusaku Taoshita, Hisashi Izumi
  • Publication number: 20200268307
    Abstract: A swallowing movement measuring device measures an examinee's swallowing movement. The device measures a movement of the examinee's larynx when the examinee swallows a food bolus. This device has a capacitive sensor to be brought into contact with a body skin of the examinee's laryngeal part, and a measuring unit that measures a change of the capacitive sensor in capacitance. This capacitive sensor includes a sensor body comprising sheet-like dielectric layer, a first electrode layer and a second electrode layer. The first and the second electrode layers are formed on a top surface and a bottom surface of the dielectric layer respectively, and are at least partially opposed to each other across the dielectric layer. The partially opposed portions of the electrode layers constitute a detection portion. The sensor body is reversibly deformable to change areas of the top and bottom surfaces of the dielectric layer.
    Type: Application
    Filed: December 22, 2016
    Publication date: August 27, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masashi OHTA, Hideo OTAKA, Yusuke BESSHO, Akira ISHIKAWA, Akio YAMAMOTO, Kaoru HANAIE, Takumi YAMAGUCHI, Ken UMEHARA
  • Publication number: 20200262017
    Abstract: A sealing member for machine tools is capable of keeping sealing performance. The sealing member includes a support member and an elastic member formed in a flat plate shape. The elastic member includes an edge portion to slide on a sliding surface of a machine tool. The support member has a support surface facing a part of a front surface of the elastic member. The sealing member is mounted to the machine tool such that the elastic member is sandwiched between a mount portion of the machine tool and the support surface of the support member. The elastic member has a fixed portion sandwiched between the mount portion and the support member. A lip portion not sandwiched between the mount portion and the support member when the sealing member is mounted to the machine tool, the lip portion including the edge portion and configured to be curved.
    Type: Application
    Filed: November 8, 2016
    Publication date: August 20, 2020
    Applicant: Bando Chemical Industries, Ltd.
    Inventors: Yuki ABE, Nariaki IWASAKI, Masatoshi KANNAKA
  • Patent number: 10746257
    Abstract: Disclosed is a power transmission belt having a belt body made of rubber, and a cord embedded in the belt body so as to form a helical pattern having a pitch in a belt width direction. The cord is coated with an adhesion layer formed by an adhesion treatment and containing a rubber component, and the adhesion layer is in contact with a rubber composition containing cellulose-based fine fibers.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: August 18, 2020
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Shogo Kobayashi, Taiki Tsuchiya, Teppei Nakayama, Shigeki Okuno, Hiroyuki Tachibana
  • Publication number: 20200254742
    Abstract: The present invention addresses the problem of providing a surface protection film which is resistant to discoloration, expansion, etc. due to the penetration of oils or plasticizers. To solve the problem, a surface protection film having a protective layer made of polyester-based polyurethane on the outermost surface thereof is provided.
    Type: Application
    Filed: May 24, 2018
    Publication date: August 13, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yutaka KAMADA, Kazumi SAKANO
  • Publication number: 20200239738
    Abstract: The present invention provides an optically clear adhesive sheet that has excellent flexibility and prevents delay bubbles in high temperature and high humidity environments. The optically clear adhesive sheet of the present invention sequentially includes a first surface-adhesive layer, an intermediate adhesive layer, and a second surface-adhesive layer. The first surface-adhesive layer and the second surface-adhesive layer each have a higher storage elastic modulus at 85° C. than the intermediate adhesive layer. The first surface-adhesive layer and the second surface-adhesive layer each have a storage elastic modulus at 85° C. of 3.0×104 Pa or higher and 30.0×104 Pa or lower. The intermediate adhesive layer has a storage elastic modulus at 85° C. of 1.0×104 Pa or higher and 15.0×104 Pa or lower. The intermediate adhesive layer contains polyurethane.
    Type: Application
    Filed: July 11, 2018
    Publication date: July 30, 2020
    Applicant: BANDO CHEMICAL INDUSTRIES, LTD.
    Inventors: Hiroki NAITO, Daisuke TAKAGI