Patents Assigned to Tocalo Co., Ltd.
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Publication number: 20200087770Abstract: A component for a hot-dip metal plating bath includes a base material and a thermal spray coating disposed to cover a surface of the base material. The base material includes ferritic stainless steel that contains: C: 0.10% to 0.50% by mass; Si: 0.01% to 4.00% by mass; Mn: 0.10% by mass to 3.00% by mass; Cr: 15.0% to 30.0% by mass; a total of Nb, V, Ti, and Ta: 0.9% by mass to 5.0% by mass; and a balance of Fe and unavoidable impurities. The ferritic stainless steel includes a microstructure that includes a ferrite phase as a main phase and a crystallized carbide, an area fraction of a Nb carbide, a Ti carbide, a V carbide, a Ta carbide, and a composite carbide thereof to the crystallized carbide of 30% or more. The component contains 50% by mass or more of Al.Type: ApplicationFiled: May 17, 2018Publication date: March 19, 2020Applicants: TOCALO CO., LTD., DAIDO STEEL CO., LTD., DAIDO CASTINGS CO., LTD.Inventors: Junichi TAKEUCHI, Masaya NAGAI, Shinichi KUBO, Masashi NAGAYA, Yoshinori SUMI, Yoshihiko KOYANAGI, Hiroyuki TAKABAYASHI, Yasuhiro TAKENAKA
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Publication number: 20200063688Abstract: A problem is to provide a sliding member capable of improving friction characteristics under an environment of a lubricant containing Mo, and a production method therefor. A solution is a sliding member 10, wherein a sliding portion 11 is formed of a metallic material, and the sliding member 10 has, at a surface layer part of the sliding portion 11, a Ti-containing thermally sprayed coating 12 formed by thermally spraying, as a thermal spraying material, a metallic material containing Ti as a composition. The sliding member 10 slides under the environment of the lubricant containing Mo as an additive, in which active Ti exposed on a surface by sliding accelerates decomposition reaction of the additive contained in the lubricant to form a molybdenum disulfide-containing low-friction coating having low friction on the surface of the sliding portion 11.Type: ApplicationFiled: August 20, 2019Publication date: February 27, 2020Applicants: TOYOTA MOTOR EAST JAPAN, INC., TOYOTA JIDOSHA KABUSHIKI KAISHA, Tocalo Co., Ltd.Inventors: Ryo Koike, Kazuyoshi Manabe, Akihiro Kanno
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Patent number: 10539176Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element selected from Al and Mg. The amount of the second element in the thermal spray powder is 20% by mole or greater. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.05 or greater and 0.5 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.Type: GrantFiled: October 28, 2015Date of Patent: January 21, 2020Assignees: FUJIMI INCORPORATED, TOCALO CO., LTD.Inventors: Tatsuo Suidzu, Noriyuki Yasuo, Takeshi Takabatake, Hiroaki Mizuno, Takaya Masuda, Tatsuya Kuno
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Publication number: 20190185982Abstract: An insulated bearing includes an outer ring, an inner ring, and a plurality of rolling elements. At least one of the outer ring and an inner ring is made of metal, the plurality of rolling elements are provided between the outer ring and the inner ring, so as to be freely rolled, and at least one of the outer ring and an inner ring is coated with an insulating layer. The insulating layer is formed of a mixture in which silicon carbide and/or aluminum nitride as an additive are/is dispersed in aluminum oxide as a base matrix. The content of the additive is 1 to 40 mass % with respect to the total amount of the mixture.Type: ApplicationFiled: February 26, 2019Publication date: June 20, 2019Applicants: NSK LTD., TOCALO CO., LTDInventors: Junichi TAKEUCHI, Yuji OKADA, Masaya NAGAI, Manabu YAMADA, Naozumi NAKATA
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Publication number: 20190120288Abstract: An insulated bearing includes a pair of bearing rings arranged concentrically to each other and rolling elements arranged to be rotatable between the pair of bearing rings, at least one of the bearing rings having an insulating layer formed thereon. The one of the bearing rings having the insulating layer formed thereon has an annular groove having an arc-shaped cross section formed on each of both end surfaces of the bearing ring. At least a surface from a non-raceway surface side circumferential surface to the annular groove of the bearing ring is covered by the insulating layer. The insulating layer is a ceramic thermal sprayed layer.Type: ApplicationFiled: April 12, 2017Publication date: April 25, 2019Applicants: NSK LTD., TOCALO CO., LTDInventors: Manabu YAMADA, Naozumi NAKATA, Shinichi NISHIGUCHI, Junichi TAKEUCHI, Seiki MATSUURA, Yuji OKADA
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Patent number: 10260562Abstract: An insulated bearing includes an outer ring, an inner ring, and a plurality of rolling elements. At least one of the outer ring and an inner ring is made of metal, the plurality of rolling elements are provided between the outer ring and the inner ring, so as to be freely rolled, and at least one of the outer ring and an inner ring is coated with an insulating layer. The insulating layer is formed of a mixture in which silicon carbide and/or aluminum nitride as an additive are/is dispersed in aluminum oxide as a base matrix. The content of the additive is 1 to 40 mass % with respect to the total amount of the mixture.Type: GrantFiled: December 24, 2015Date of Patent: April 16, 2019Assignees: TOCALO CO., LTD, NSK LTD.Inventors: Junichi Takeuchi, Yuji Okada, Masaya Nagai, Manabu Yamada, Naozumi Nakata
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Publication number: 20190032239Abstract: Disclosed is a cermet powder that enables preparation of a cermet coating having both high wear resistance and high corrosion resistance against a strong acid having a pH of less than 1. The disclosed cermet powder contains tungsten carbide particles in an amount of 40 mass % or more; molybdenum carbide particles in an amount of 10 mass % to 40 mass %; and Ni or a Ni alloy as a matrix metal, wherein the cermet powder further contains chromium, either as a carbide or a metal or alloy element contained in the matrix metal, in an amount of 8 mass % or more.Type: ApplicationFiled: February 14, 2017Publication date: January 31, 2019Applicants: JFE STEEL CORPORATION, TOCALO CO., LTD.Inventors: Yuya BABA, Junichi TAKEUCHI, Yoshifumi KOBAYASHI
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Patent number: 10088236Abstract: A hearth roll includes a base roll, a thermally sprayed coating formed on the base roll, and a modified coating formed on the thermally sprayed coating. The modified coating is formed by modifying a part or the whole of a surface of the thermally sprayed coating by melting and solidification of the thermally sprayed coating, by irradiating a part or the whole of the surface of the thermally sprayed coating with an energy beam. The thickness of the modified coating is from 2 to 20 ?m, and the Vickers hardness HV of the modified coating is from 1.2 to 1.4 times larger than the Vickers hardness HV of the thermally sprayed coating.Type: GrantFiled: October 2, 2015Date of Patent: October 2, 2018Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, TOCALO CO., LTD.Inventors: Yasushi Kurisu, Tatsuo Suidzu
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Publication number: 20180112081Abstract: A composite thermoelectric material includes: a thermoelectric material of an intermetallic compound series; and a film that is coated over the whole or a part of the surface of the thermoelectric material and contains aluminum phosphate (AlPO4) as a main component. Such a composite thermoelectric material is obtained by: applying a coating liquid obtained by dispersing or dissolving aluminum phosphate (AlPO4) into a solvent over the surface of a thermoelectric material; drying the coating liquid and obtaining a precursor film; and firing the thermoelectric material over which the precursor film is formed.Type: ApplicationFiled: September 22, 2017Publication date: April 26, 2018Applicants: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, TOCALO CO., LTD.Inventors: Yumi SAIKI, Ryoji ASAHI, Masato MATSUBARA, Noriyuki YASUO, Tomohiro NAKASUJI
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Publication number: 20180073121Abstract: [Task] It is to provide a fiber-reinforced resin structure having improved surface properties and reinforced with carbon fibers or glass fibers while keeping lightweight properties. [Solution] A fiber-reinforced resin structure is constructed by forming a thermal sprayed coating composed mainly of boron carbide on a fiber-reinforced plastic substrate as a top coating.Type: ApplicationFiled: March 2, 2016Publication date: March 15, 2018Applicant: TOCALO CO., LTD.Inventors: Yoichiro HABU, Yasuo MIYAKE, Naoki ABE, Tatsuya HAMAGUCHI
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Publication number: 20170356075Abstract: An insulated bearing includes an outer ring, an inner ring, and a plurality of rolling elements. At least one of the outer ring and an inner ring is made of metal, the plurality of rolling elements are provided between the outer ring and the inner ring, so as to be freely rolled, and at least one of the outer ring and an inner ring is coated with an insulating layer. The insulating layer is formed of a mixture in which silicon carbide and/or aluminum nitride as an additive are/is dispersed in aluminum oxide as a base matrix. The content of the additive is 1 to 40 mass % with respect to the total amount of the mixture.Type: ApplicationFiled: December 24, 2015Publication date: December 14, 2017Applicants: TOCALO CO., LTD, NSK LTD.Inventors: Junichi TAKEUCHI, Yuji OKADA, Masaya NAGAI, Manabu YAMADA, Naozumi NAKATA
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Publication number: 20170314613Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element formed of Si. The amount of the second element in the thermal spray powder is 40% by mole or less. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.002 or greater and 0.03 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.Type: ApplicationFiled: October 28, 2015Publication date: November 2, 2017Applicants: FUJIMI INCORPORATED, TOCALO CO., Ltd.Inventors: Noriyuki YASUO, Takeshi TAKABATAKE, Tatsuo SUIDZU, Hiroaki MIZUNO, Takaya MASUDA, Tatsuya KUNO
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Publication number: 20170314612Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element selected from Al and Mg. The amount of the second element in the thermal spray powder is 20% by mole or greater. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.05 or greater and 0.5 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.Type: ApplicationFiled: October 28, 2015Publication date: November 2, 2017Applicants: FUJIMI INCORPORATED, TOCALO CO., Ltd.Inventors: Tatsuo SUIDZU, Noriyuki YASUO, Takeshi TAKABATAKE, Hiroaki MIZUNO, Takaya MASUDA, Tatsuya KUNO
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Patent number: 9799545Abstract: An electrostatic chuck and a manufacturing method are disclosed in which drawbacks of using an adhesive are not existent and a freedom degree of design is high. The electrostatic chuck includes a substrate part constituting a main chuck body, a first insulating layer of a spray coating formed to the surface of the substrate part, a heater part of an electric conductor formed by applying a conductive paste to the surface of the first insulating layer, a second insulating layer of a spray coating formed to the surface of the first insulating layer so as to cover the heater part, an electrode part formed by thermal spraying to the surface of the second insulating layer and a dielectric layer of a spray coating formed to the surface of the second layer so as to cover the electrode part and lowers a volume resistivity without using an adhesive.Type: GrantFiled: March 22, 2013Date of Patent: October 24, 2017Assignee: TOCALO CO., LTD.Inventors: Ryo Yamasaki, Mitsuharu Inaba, Kensuke Taguchi
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Publication number: 20170290623Abstract: There is provided an energy device for surgical operation capable of suppressing fixation of body tissue, wherein a coating layer is formed on an outer periphery of a base material constituting an operational area portion transmitting energy in an energy device for surgical operation operating in the operational area portion, and is comprised of a base coating formed on the base material and an outermost coating formed on the base coating. The base coating is made from silicon oxide or a compound containing silicon oxide, and the outermost coating is made from polysiloxane or a compound containing polysiloxane or a compound containing a partly fluorinated polysiloxane, and the coating layer has a good adhesiveness and is applicable to a complicated form.Type: ApplicationFiled: July 13, 2015Publication date: October 12, 2017Applicants: TOCALO CO., LTD., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCEInventors: Shinya MIKI, Megumi ADACHI, Toru TANI, Shigeyuki NAKA, Tomoharu SHIMIZU
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Publication number: 20160348971Abstract: A hearth roll includes a base roll, a thermally sprayed coating formed on the base roll, and a modified coating formed on the thermally sprayed coating. The modified coating is formed by modifying a part or the whole of a surface of the thermally sprayed coating by melting and solidification of the thermally sprayed coating, by irradiating a part or the whole of the surface of the thermally sprayed coating with an energy beam. The thickness of the modified coating is from 2 to 20 ?m, and the Vickers hardness HV of the modified coating is from 1.2 to 1.4 times larger than the Vickers hardness HV of the thermally sprayed coating.Type: ApplicationFiled: October 2, 2015Publication date: December 1, 2016Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, TOCALO CO., LTD.Inventors: Yasushi KURISU, Tatsuo SUIDZU
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Patent number: 9421570Abstract: [Problem] To provide a fluoride spray coating covered member adhered with a fluoride spray coating having excellent properties on quality by suppressing a thermal decomposition reaction and an oxide reaction, and to propose a method for forming a cover by firmly adhering the coating. [Solution] A method for forming a fluoride spray coating in an implantation structure onto a substrate surface by spraying particles of a fluoride spraying material onto a substrate surface or a pretreated substrate surface, if necessary through an undercoat layer or spray particle dotted parts of carbide cermet, at a flying velocity of particles of not less than 500 m/sec with an inert gas as a working gas for coating formation at an inert gas temperature of 600° C.-1300° C. as well as a fluoride spray coating covered member.Type: GrantFiled: October 26, 2012Date of Patent: August 23, 2016Assignee: TOCALO CO., LTD.Inventors: Yoshio Harada, Kenichiro Togoe
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Patent number: 9238863Abstract: This invention is to provide a fluoride spray coating covered member having excellent resistance to halogen corrosion and resistance to plasma erosion and displaying identification symbols such as letters, numeric characters, graphic, pattern, firm name, serial number and so on. In the invention, one or more implanting gases selected from fluorine-containing gas, oxygen gas and inert gas are ion-implanted onto a white fluoride spray coating formed on a surface of a substrate, whereby at least a part of the surface of the white fluoride spray coating is changed into a black color to form a black ion-implanted layer.Type: GrantFiled: January 16, 2013Date of Patent: January 19, 2016Assignee: TOCALO CO., LTD.Inventors: Yoshio Harada, Takema Teratani, Shinya Miki, Kenichiro Togoe
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Publication number: 20150116889Abstract: An electrostatic chuck and a manufacturing method are disclosed in which drawbacks of using an adhesive are not existent and a freedom degree of design is high. The electrostatic chuck includes a substrate part constituting a main chuck body, a first insulating layer of a spray coating formed to the surface of the substrate part, a heater part of an electric conductor formed by applying a conductive paste to the surface of the first insulating layer, a second insulating layer of a spray coating formed to the surface of the first insulating layer so as to cover the heater part, an electrode part formed by thermal spraying to the surface of the second insulating layer and a dielectric layer of a spray coating formed to the surface of the second layer so as to cover the electrode part and lowers a volume resistivity without using an adhesive.Type: ApplicationFiled: March 22, 2013Publication date: April 30, 2015Applicant: TOCALO CO., LTD.Inventors: Ryo Yamasaki, Mitsuharu Inaba, Kensuke Taguchi
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Publication number: 20140370249Abstract: This invention is to provide a fluoride spray coating covered member having excellent resistance to halogen corrosion and resistance to plasma erosion and displaying identification symbols such as letters, numeric characters, graphic, pattern, firm name, serial number and so on. In the invention, one or more implanting gases selected from fluorine-containing gas, oxygen gas and inert gas are ion-implanted onto a white fluoride spray coating formed on a surface of a substrate, whereby at least a part of the surface of the white fluoride spray coating is changed into a black color to form a black ion-implanted layer.Type: ApplicationFiled: January 16, 2013Publication date: December 18, 2014Applicant: TOCALO CO., LTD.Inventors: Yoshio Harada, Takema Teratani, Shinya Miki, Kenichiro Togoe