Patents Assigned to NISSHINBO BRAKE INC.
  • Publication number: 20210231185
    Abstract: [Object] To provide the method of manufacturing the friction material that is capable of uniformly scorching into the deep part of the surface layer of the friction material in a short period of time. [Means to Resolve] In the method of manufacturing the friction material including the scorching step of scorching the surface of the friction material with the laser, the friction material contains 5 to 25% by weight of one or more types of black materials relative to the total amount of the friction material composition, and the L* of the CIE Lab of the surface of the friction material before scorching is 20 to 60.
    Type: Application
    Filed: April 26, 2019
    Publication date: July 29, 2021
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: Eiji Kimura, Mitsuaki Yaguchi, Junichi Imai
  • Publication number: 20210222748
    Abstract: [Object] This invention relates to a friction material used for a disc brake pad, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition that contains a binder, a fiber base material, a friction modifier, a lubricant, a pH adjuster, and a filler, which satisfies requirements for the required braking effectiveness, crack resistance, and fade resistance. [Means to Resolve] The friction material, which is made from the NAO friction material composition, which includes the binder, the fiber base material, the friction modifier, the lubricant, the pH adjuster, and the filler, where the friction modifier contains 5-30 mass % of a magnesium potassium titanate, which has the alkali elution rate of 0.1-2.5 mass %, relative to the total amount of the friction material composition.
    Type: Application
    Filed: March 27, 2021
    Publication date: July 22, 2021
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: TAKAO TANAKA, TOMOMI IWAI, MITSUAKI YAGUCHI
  • Patent number: 10670099
    Abstract: [Object] The present invention provides a friction material used for a disc brake pad, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition that does not contain a copper component, which provides an excellent wear resistance and a highly stable braking effectiveness even after being subjected to a history of high temperatures and high loads. [Means to Resolve] The friction material composition for the friction material molding containing, as an inorganic friction modifier, 10-40 weight % of a monoclinic zirconium oxide with an average particle diameter of 1-8 ?m relative to the total amount of the friction material composition, 1.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: June 2, 2020
    Assignee: NISSHINBO BRAKE INC.
    Inventors: Mitsuaki Yaguchi, Shinya Kaji, Tomomi Iwai
  • Publication number: 20200032869
    Abstract: The present invention addresses the problem of providing a friction material for a disc brake pad, which is able to secure effective braking performance and wear resistance during the high speed and high load braking while satisfying laws and regulations relating to copper content. The solution to this problem is using a non-asbestos organic (NAO) friction material for a disc brake pad, which is formed by molding a friction material composition comprising a fiber base material, a binder, and a friction modifier, and specially comprising, as an inorganic friction modifier, 1-10 weight % of one or any combination of two or more of aluminum particles, aluminum fibers, alloy particles mainly containing aluminum, and alloy fibers mainly containing aluminum relative to the total amount of the friction material composition, 5-20 weight % of hard inorganic particles with an average particle diameter of 1-20 ?m and a Mohs hardness of 4.5 to 8.0, and copper content of less than 0.5 weight %.
    Type: Application
    Filed: September 4, 2019
    Publication date: January 30, 2020
    Applicant: Nisshinbo Brake, Inc.
    Inventors: Shinya Kaji, Ryo Yamagami, Tomomi Iwai
  • Patent number: 10458500
    Abstract: The present invention provides a friction material for a disc brake pad, which is able to suppress chipping of an edge of the friction material that occurs under the high speed and high load braking conditions and further to suppress the deterioration of the braking effectiveness under the high speed and high load braking conditions while satisfying laws and regulations relating to the required amount of the content of the copper component. A friction material composition that contains 0.5-10 weight % of a resilient graphitic carbon particle relative to the total amount of the friction material composition as a carbon type lubricant and contains the total amount of a copper component contained in the friction material composition is less than 5 weight % relative to the total amount of the friction material composition.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: October 29, 2019
    Assignee: Nisshinbo Brake Inc.
    Inventors: Mitsuaki Yaguchi, Shinya Kaji
  • Publication number: 20190154094
    Abstract: [Object] This invention relates to a friction material used for a disc brake pad, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition that contains a binder, a fiber base material, a friction modifier, a lubricant, a pH adjuster, and a filler, which satisfies requirements for the required braking effectiveness, crack resistance, and fade resistance. [Means to Resolve] The friction material, which is made from the NAO friction material composition, which includes the binder, the fiber base material, the friction modifier, the lubricant, the pH adjuster, and the filler, where the friction modifier contains 5-30 mass % of a later crystal structure titanate, which has the alkali elution rate of 0.1-2.5 mass %, relative to the total amount of the friction material composition.
    Type: Application
    Filed: April 4, 2017
    Publication date: May 23, 2019
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: TAKAO TANAKA, TOMOMI IWAI, MITSUAKI YAGUCHI
  • Publication number: 20190128355
    Abstract: To provide the manufacturing method for a copper and elemental copper free NAO friction material providing an excellent fade resistance and high mechanical strength. [Means to Resolve] This manufacturing method includes the mixing step of mixing the raw friction material compounds to obtain the raw friction material mixture, the kneading step to apply the raw friction material mixture in the sealed type kneader to knead while maintaining the melting temperature of the thermosetting resin in the kneader or higher but lower than the curing temperature (temperature to start curing) under the predetermined pressure to obtain the kneaded raw friction material, the sizing step of sizing the kneaded raw friction material to obtain the raw friction material granulation article, and the hot press molding step of filling the raw friction material sized particles in the molding die to hot press molded by the press machine.
    Type: Application
    Filed: September 17, 2018
    Publication date: May 2, 2019
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: Mitsuaki YAGUCHI, MASAFUMI HONMA, YASUKI HATTORI
  • Patent number: 10138969
    Abstract: The present invention addresses the problem of providing a disc brake pad friction material, which is capable of securing fade resistance and wear resistance while satisfying laws relating to copper component content and for which coating by electrostatic powder coating is favorable. As a means for solving the problem, a friction agent composition, which contains 0.3-5 weight % of flake graphite particles of 1-100 ?m mean particle diameter with respect to the total amount of the friction material composition as a lubricant and in which the total amount of copper components contained in the friction material composition is less than 5 weight % of the total amount of the friction material composition, is used. Preferably, the flake graphite particles are aggregates. It is also preferable that the friction material composition contains mica with a mean particle diameter of 100-400 ?m.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: November 27, 2018
    Assignee: Nisshinbo Brake, Inc.
    Inventors: Yasuki Hattori, Mitsuaki Yaguchi, Toshiya Takada
  • Publication number: 20180313420
    Abstract: [OBJECT] To provide a friction material used for a brake shoe of a drum brake utilizing for a passenger car, which continuously reduces generation of low frequency noise and provides excellent braking effectiveness and wear resistance.
    Type: Application
    Filed: November 17, 2015
    Publication date: November 1, 2018
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: WATARU SHIMADA, YUJI YADOMARU, TSUYOSHI KONDO
  • Publication number: 20180298971
    Abstract: [Object] The present invention provides a friction material used for a disc brake pad, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition that does not contain a copper component, which provides an excellent wear resistance and a highly stable braking effectiveness even after being subjected to a history of high temperatures and high loads. [Means to Resolve] The friction material composition for the friction material molding containing, as an inorganic friction modifier, 10-40 weight % of a monoclinic zirconium oxide with an average particle diameter of 1-8 ?m relative to the total amount of the friction material composition, 1.
    Type: Application
    Filed: October 3, 2016
    Publication date: October 18, 2018
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: Mitsuaki YAGUCHI, Shinya KAJI, Tomomi IWAI
  • Publication number: 20180172098
    Abstract: [Object] To provide a friction material, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition, used for a disc brake assembled in such as a passenger car, which does not degrade the inhibitory effect of rusting and prevents seizure due to corrosion even if the automotive while the parking brake in operation is left under a high humidity state for a long period of time. [Means to Resolve] A friction material, which is manufactured by forming the NAO friction material composition including a binder, a fiber base material, a friction modifier, a lubricant, a pH adjuster, and a filler, where the friction material composition contains 2-6 weight % of alkali metal salt and/or alkaline earth metal salt as the pH adjuster relative to the total amount of the friction material composition, 1-7 weight % of fibrillated organic fiber as the fiber base material relative to the total amount of the friction material composition, and 0-0.
    Type: Application
    Filed: July 15, 2016
    Publication date: June 21, 2018
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: Kazuhide YAMAMOTO, Takuya MATSUZAWA
  • Patent number: 9970501
    Abstract: In relation to the NAO friction material free of copper component, this invention is to provide the friction material that prevents the occurrence of metal catch while securing sufficient wear resistance. In the friction material manufactured by forming the NAO friction material composition which is free of copper component, the above-described friction material composition does not contain metal simple substance or alloy and contains, as the lubricant, metal sulfide having 600 centigrade or higher decomposition temperature to be decomposed into metal and sulfur, 2.0-5.0 weight % of graphite and a zirconium silicate as an abrasive material. Here, the metal sulfide is not a molybdenum disulfide or a tungsten disulfide. Especially, the content of the metal sulfide is preferably 0.5-2.0 weight % relative to the total amount of the friction material composition.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: May 15, 2018
    Assignee: NISSHINBO BRAKE, INC.
    Inventors: Yasuki Hattori, Mitsuaki Yaguchi, Toshiya Takeda
  • Patent number: 9920806
    Abstract: [OBJECT] The present invention provides a friction material used for a disc brake pad, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition, which is able to suppress an occurrence of noise just before a vehicle stops, while satisfying laws and regulations relating to the required amount of the content of the copper component. [MEANS TO SOLVE THE PROBLEM] The friction material for the disc brake pad is manufactured by forming the NAO friction material composition that is free of the copper component, the friction material composition practically does not include an iron component but includes 15-22 weight % of a non-whisker-like titanate, relative to the total amount of the friction material composition, as a titanate, 15-25 weight % of zirconium oxide with the average particle diameter of 1.0-4.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: March 20, 2018
    Assignee: Nisshinbo Brake, Inc.
    Inventors: Kazuhide Yamamoto, Toshiya Takada
  • Publication number: 20170248186
    Abstract: In relation to the NAO friction material free of copper component, this invention is to provide the friction material that prevents the occurrence of metal catch while securing sufficient wear resistance. In the friction material manufactured by forming the NAO friction material composition which is free of copper component, the above-described friction material composition does not contain metal simple substance or alloy and contains, as the lubricant, metal sulfide having 600 centigrade or higher decomposition temperature to be decomposed into metal and sulfur, 2.0-5.0 weight % of graphite and a zirconium silicate as an abrasive material. Here, the metal sulfide is not a molybdenum disulfide or a tungsten disulfide. Especially, the content of the metal sulfide is preferably 0.5-2.0 weight % relative to the total amount of the friction material composition.
    Type: Application
    Filed: March 28, 2017
    Publication date: August 31, 2017
    Applicant: NISSHINBO BRAKE, INC.
    Inventors: YASUKI HATTORI, MITSUAKI YAGUCHI, TOSHIYA TAKEDA
  • Publication number: 20170234390
    Abstract: [OBJECT] The present invention provides a friction material used for a disc brake pad, which is able to secure the braking effectiveness and the wear resistance under the high speed and high load braking conditions while satisfying laws and regulations relating to the required amount of the content of the copper component. [MEANS TO SOLVE THE PROBLEM] A friction material used for a disc brake pad, which is manufactured by forming a non-asbestos organic friction material composition, in which the friction material composition contains 1-15 weight % of ferrous sulfide (FeS) particles relative to the total amount of the friction material composition as a lubricant, and the total amount of the copper component involved in the friction material composition is less than 5 weight % relative to the total amount of the friction material composition. Furthermore, it is preferable to contain 0.
    Type: Application
    Filed: July 24, 2014
    Publication date: August 17, 2017
    Applicant: Nisshinbo Brake, Inc.
    Inventors: Shinya Kaji, Makoto TAMURA, Mitsuaki YAGUCHI
  • Publication number: 20170219037
    Abstract: [OBJECT] The present invention provides a friction material used for a disc brake pad, which is manufactured by forming a non-asbestos-organic (NAO) friction material composition, which is able to suppress an occurrence of noise just before a vehicle stops, while satisfying laws and regulations relating to the required amount of the content of the copper component. [MEANS TO SOLVE THE PROBLEM] The friction material for the disc brake pad is manufactured by forming the NAO friction material composition that is free of the copper component, the friction material composition practically does not include an iron component but includes 15-22 weight % of a non-whisker-like titanate, relative to the total amount of the friction material composition, as a titanate, 15-25 weight % of zirconium oxide with the average particle diameter of 1.0-4.
    Type: Application
    Filed: July 22, 2015
    Publication date: August 3, 2017
    Applicant: Nisshinbo Brake, Inc.
    Inventors: Kazuhide YAMAMOTO, Toshiya TAKADA
  • Patent number: 9689449
    Abstract: To provide a low-cost friction material which is able to secure the required braking performance, the fading resistance, the wear resistance, and the adhesive strength between the friction material and the back plate while satisfying laws and regulations relating to the required amount of the content of the copper component contained therein. The friction material for the disc brake pad which is manufactured by forming a non-asbestos-organic (NAO) friction material composition that includes no copper component, in which the friction material composition includes no titanate but includes (a) 8-15 volume % of an inorganic friction modifier having the average particle diameter of 0.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: June 27, 2017
    Assignee: Nisshinbo Brake, Inc.
    Inventor: Jun Nagashima
  • Publication number: 20170030426
    Abstract: To provide a low-cost friction material which is able to secure the required braking performance, the fading resistance, the wear resistance, and the adhesive strength between the friction material and the back plate while satisfying laws and regulations relating to the required amount of the content of the copper component contained therein. The friction material for the disc brake pad which is manufactured by forming a non-asbestos-organic (NAO) friction material composition that includes no copper component, in which the friction material composition includes no titanate but includes (a) 8-15 volume % of an inorganic friction modifier having the average particle diameter of 0.
    Type: Application
    Filed: April 13, 2015
    Publication date: February 2, 2017
    Applicant: Nisshinbo Brake, Inc.
    Inventor: Jun Nagashima
  • Publication number: 20160356332
    Abstract: The present invention provides a friction material for a disc brake pad, which is able to suppress chipping of an edge of the friction material that occurs under the high speed and high load braking conditions and further to suppress the deterioration of the braking effectiveness under the high speed and high load braking conditions while satisfying laws and regulations relating to the required amount of the content of the copper component. A friction material composition that contains 0.5-10 weight % of a resilient graphitic carbon particle relative to the total amount of the friction material composition as a carbon type lubricant and contains the total amount of a copper component contained in the friction material composition is less than 5 weight % relative to the total amount of the friction material composition.
    Type: Application
    Filed: December 2, 2014
    Publication date: December 8, 2016
    Applicant: Nisshinbo Brake, Inc.
    Inventors: Mitsuaki YAGUCHI, Shinya KAJI
  • Publication number: 20160298710
    Abstract: In relation to the NAO friction material free of copper component, this invention is to provide the friction material that prevents the occurrence of metal catch while securing sufficient wear resistance. In the friction material manufactured by forming the NAO friction material composition free of copper component, the above-described friction material composition contains no metal simple substance or alloy other than copper and contains, as the lubricant, metal sulfide having 600 centigrade or higher decomposition temperature to be decomposed into metal and sulfur. Especially, the above-described metal sulfide is preferably zinc sulfide, and the content thereof is preferably 0.5-2.0 weight % relative to the total amount of the friction material composition. Also, as the lubricant, the friction material further contains 2.0-5.0 weight % of graphite relative to the total amount of the friction material composition.
    Type: Application
    Filed: June 28, 2013
    Publication date: October 13, 2016
    Applicant: Nisshinbo Brake, Inc.
    Inventors: YASUKI HATTORI, MITSUAKI YAGUCHI, TOSHIYA TAKADA