Patents by Inventor Noboru Okabe
Noboru Okabe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240017575Abstract: A pneumatic tire has a carcass. The carcass includes a carcass ply extending from one bead portion to the other bead portion through a tread portion. The carcass ply is provided with at least one conductive thread extending from one bead portion to at least the tread portion. The conductive thread has an electrical resistance of 108 ?/cm or less per unit length. The conductive thread has a stress of 13 N or less at 1% elongation.Type: ApplicationFiled: November 17, 2021Publication date: January 18, 2024Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Shumpei MORITA, Masumi SUZUKI, Takashi MIKI, Noboru OKABE
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Publication number: 20220324258Abstract: A pneumatic tire includes a ply having a plurality of cords each having an average cord diameter D, and a sidewall rubber having a loss tangent tan ? The plurality of cords each includes a plurality of filaments twisted together, the plurality of filaments each having an outer diameter d. The plurality of cords each has a ratio D/d of the average cord diameter D to the outer diameter d being equal to or more than 28. The ratio D/d and the loss tangent tan ? of the sidewall rubber satisfy the following formula; (tan ?)/(D/d)*1000?5.5.Type: ApplicationFiled: March 25, 2022Publication date: October 13, 2022Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Manabu INOUE, Noboru OKABE
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Publication number: 20210129599Abstract: A pneumatic tyre 1 includes a carcass 6 extending between bead cores of bead portions via a tread portion 2 and sidewall portions, and a belt layer 7 arranged on an outer side in a tyre radial direction of the carcass 6 and inside of the tread portion 2. The pneumatic tyre 1 has a damping rubber body 30 arranged between the carcass 6 and the belt layer 7, and a noise damper 20 arranged on an inner cavity surface of the tread portion 2. A width W1 in a tyre axial direction of the damping rubber body 30 is in a range of from 60% to 130% of a width W2 in the tyre axial direction of the belt layer 7, and air permeability of the noise damper 20 measured in accordance with the Japanese Industrial Standard JIS-L1096 is 3.0 cm3/cm2/s or less.Type: ApplicationFiled: January 29, 2018Publication date: May 6, 2021Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Masako NAKATANI, Takahiro KAWACHI, Ayuko YAMADA, Noboru OKABE, Keiji TAKAGI, Natsuki MAEKAWA, Kenji HAMAMURA, Subaru TOYA
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Publication number: 20200009913Abstract: A tire having a tread composed of a rubber composition comprising: a rubber component comprising a butadiene rubber and a styrene-butadiene rubber and carbon black, wherein an X part by mass of a content of the carbon black based on 100 parts by mass of the rubber component and a Y nm of an average particle size of the carbon black satisfy the following equation (1), the styrene-butadiene rubber and the butadiene rubber form a bicontinuous structure, a distribution ratio ? of the carbon black in the styrene-butadiene rubber is 1.5 or more and 1.9 or less, and a distribution ratio ? of the carbon black in the butadiene rubber is 0 or more and 0.6 or less. 0.11?X/Y2?0.Type: ApplicationFiled: February 6, 2018Publication date: January 9, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Noboru OKABE
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Publication number: 20190300764Abstract: An object of the present disclosure is to provide an adhesive composition for an organic fiber which has excellent heat-resistant adhesiveness that allows an organic fiber and a rubber composition to maintain high adhesive force even when being exposed to high temperatures. An adhesive composition for an organic fiber contains: (a) an epoxy compound that is a sorbitol polyglycidyl ether and has a chlorine content not greater than 9.6% by weight; and (b) a blocked isocyanate.Type: ApplicationFiled: March 15, 2019Publication date: October 3, 2019Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., NAGASE CHEMTEX CORPORATIONInventors: Masumi SUZUKI, Yogun KIDA, Takuya KURIHARA, Dong MIAO, Noboru OKABE, Natsuki MAEKAWA, Toyohiro NAGANO, Masato FUSHIKI, Tetsuya HOSOMI
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Publication number: 20190299715Abstract: A tire that includes a band and a belt, the band is layered outward of the belt in a radial direction of the tire, the belt includes two or more layers layered in the radial direction of the tire, the band includes a rubber composition and a polyester cord, each of the two or more layers of the belt includes a rubber composition and a cord, and a gauge between the cords of two adjacent layers is not greater than 0.40 mm.Type: ApplicationFiled: March 13, 2019Publication date: October 3, 2019Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Noboru OKABE, Masumi SUZUKI, Koji FUJISAWA
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Patent number: 10369843Abstract: According to a production method of a rubber composition for tire of the present invention comprising a rubber component (A) comprising at least one selected from the group consisting of a natural rubber and a synthetic diene rubber, a filler, a coupling agent (D) of (CpH2p+1O)3—Si—(CH2)q—S—CO—CkH2k+1, and a vulcanizing agent (E) comprising a vulcanizer and a vulcanization accelerator, the method comprising: a step X1 of kneading all amount of A, a part of the filler and a part of D, a step X2 of kneading the kneaded product of step X1, the remaining amount of the filler and D, and a step F of kneading the kneaded product of step X2 and E, it is possible to produce a rubber composition for tire in which fuel efficiency and abrasion resistance are improved in a good balance.Type: GrantFiled: November 6, 2015Date of Patent: August 6, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Ayuko Yamana, Yuka Yokoyama, Masako Nakatani, Takashi Miki, Takuya Horiguchi, Yoichi Mizuno, Takahiro Kawachi, Noboru Okabe, Natsuki Sugimoto, Kenichi Uesaka, Tetsuya Maekawa, Yumi Suzuki, Fumiya Kato
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Publication number: 20170225512Abstract: According to a production method of a rubber composition for tire of the present invention comprising a rubber component (A) comprising at least one selected from the group consisting of a natural rubber and a synthetic diene rubber, a filler, a coupling agent (D) of (CpH2p+1O)3—Si—(CH2)q—S—CO—CkH2k+1, and a vulcanizing agent (E) comprising a vulcanizer and a vulcanization accelerator, the method comprising: a step X1 of kneading all amount of A, a part of the filler and a part of D, a step X2 of kneading the kneaded product of step X1, the remaining amount of the filler and D, and a step F of kneading the kneaded product of step X2 and E, it is possible to produce a rubber composition for tire in which fuel efficiency and abrasion resistance are improved in a good balance.Type: ApplicationFiled: November 6, 2015Publication date: August 10, 2017Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Ayuko YAMANA, Yuka YOKOYAMA, Masako NAKATANI, Takashi MIKI, Takuya HORIGUCHI, Yoichi MIZUNO, Takahiro KAWACHI, Noboru OKABE, Natsuki SUGIMOTO, Kenichi UESAKA, Tetsuya MAEKAWA, Yumi SUZUKI, Fumiya KATO
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Patent number: 9012560Abstract: The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, and abrasion resistance in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a silane coupling agent, wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component; and the silane coupling agent contains a mercapto group.Type: GrantFiled: March 22, 2012Date of Patent: April 21, 2015Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Tetsuya Kunisawa, Tsuyoshi Tsuchida, Kenichi Uesaka, Isamu Tsumori, Reika Otake, Noboru Okabe, Naoya Omura, Tatsuhiro Tanaka, Takafumi Taguchi, Kenya Watanabe, Toru Iizuka
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Publication number: 20140206793Abstract: Provided are: a rubber composition that improves fuel economy, wet grip performance, and dry grip performance together while maintaining the balance between them; and a pneumatic tire whose component (particularly tread) includes the rubber composition. The invention relates to a rubber composition containing: a rubber component containing a copolymer; and a silica, wherein the copolymer is obtained by copolymerization of 1,3-butadiene, styrene, and a compound of formula (I) below, has an amino group at a first chain end and a functional group containing at least one atom selected from the group consisting of nitrogen, oxygen, and silicon at second chain end, and has a Mw of 1.0×105-2.5×106, and the silica has an average length W1 between branched particles Z-Z inclusive of the branched particles Zs of 30-400 nm, wherein the branched particles Zs are each adjacent to at least three particles; wherein R1 represents a C1-C10 hydrocarbon group.Type: ApplicationFiled: August 22, 2012Publication date: July 24, 2014Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Noboru Okabe, Kenichi Uesaka
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Publication number: 20140187707Abstract: Provided are: a rubber composition that improves fuel economy and wet grip performance together while maintaining the balance between them; and a pneumatic tire whose component (in particular tread) includes the rubber composition. The invention relates to a rubber composition containing: a rubber component containing a copolymer; silica; and a diene rubber gel bearing a hydroxyl group, wherein the copolymer is obtained by copolymerization of 1,3-butadiene, styrene, and a compound represented by formula (I) below, has an amino group at a first chain end and a functional group containing at least one atom selected from the group consisting of nitrogen, oxygen, and silicon at a second chain end, and has a weight average molecular weight of 1.0×105-2.5×106, and the diene rubber gel has a Tg of ?40 to ?10° C.Type: ApplicationFiled: August 24, 2012Publication date: July 3, 2014Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Noboru Okabe, Kenichi Uesaka
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Publication number: 20130303679Abstract: The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, and abrasion resistance in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a silane coupling agent, wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component; and the silane coupling agent contains a mercapto group.Type: ApplicationFiled: March 22, 2012Publication date: November 14, 2013Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya Kunisawa, Tsuyoshi Tsuchida, Kenichi Uesaka, Isamu Tsumori, Reika Otake, Noboru Okabe, Naoya Omura, Tatsuhiro Tanaka, Takafumi Taguchi, Kenya Watanabe, Toru Iizuka
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Patent number: 6953282Abstract: A novel linear guide plain bearing has a guide rail with rail-grooves formed respectively in opposite side surfaces thereof, and a slider with slider-ridges formed respectively on opposed inner side surfaces thereof. The slider is mounted in a straddling manner on the guide rail for sliding movement therealong. Each of the guide-grooves has a Gothic arch cross-sectional shape while each of the slider-ridges has a circular arch cross-sectional shape. The slider slides relative to the guide rail in an axial line contact condition. A solid lubricant-containing resin coating is formed on each of the slider-ridges, whereby the sliding resistance and sliding noise can be reduced more efficiently.Type: GrantFiled: November 4, 2002Date of Patent: October 11, 2005Assignee: NDC Company Ltd.Inventors: Noboru Okabe, Hiroyoshi Kikuchi
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Publication number: 20030099414Abstract: A novel linear guide plain bearing has a guide rail with rail-grooves formed respectively in opposite side surfaces thereof, and a slider with slider-ridges formed respectively on opposed inner side surfaces thereof. The slider is mounted in a straddling manner on the guide rail for sliding movement therealong. Each of the guide-grooves has a Gothic arch cross-sectional shape while each of the slider-ridges has a circular arch cross-sectional shape. The slider slides relative to the guide rail in an axial line contact condition. A solid lubricant-containing resin coating is formed on each of the slider-ridges, whereby the sliding resistance and sliding noise can be reduced more efficiently.Type: ApplicationFiled: November 4, 2002Publication date: May 29, 2003Inventors: Noboru Okabe, Hiroyoshi Kikuchi
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Patent number: 4857267Abstract: The invention provides an aluminum base bearing alloy which is excellent in both lubricating capability and fatigue resistance and is useful, e.g. in automotive engines. The bearing alloy consists essentially of at least one lubricating element such as Pb and/or Sn the total amount of which is more than 0.04 and not more than 0.07 by sectional area ratio to the aluminum matrix, Si the amount of which is in the range from 0.01 to 0.17 by sectional area ratio to the aluminum matrix, 0.2-5.0 wt % of at least one reinforcing element such as Cu and/or Cr, 0-3.0 wt % of at least one refining element such as Ti and/or B and the balance of Al. The grain size of the lubricating element(s) is not larger than 8 .mu.m, and the grain size of Si is not larger than 12 .mu.m and preferably not smaller than 6 .mu.m.Type: GrantFiled: September 29, 1987Date of Patent: August 15, 1989Assignees: Nissan Motor Co., Ltd., NDC Co., Ltd.Inventors: Yoshihiro Maki, Akira Matsuyama, Katsuji Tanizaki, Noboru Okabe, Katsuhiro Kishida, Takeshi Sakai, Toshinaga Ohgaki, Masahito Fujita
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Patent number: 4582368Abstract: A method of manufacture of a dry bearing material for high speed, high load purposes is disclosed. A resin paste obtained by kneeding together a polytetrafluoroethylene (PTFE) resin and a solid lubricant is coated on a porous metallic sintered layer formed on a steel plate such that it fills the interstices of the sintered layer and covers the surface thereof. The solid lubricant is in a thinly rolled state obtained from pulverized solid lubricant, and it is distributed a leaflike or scalelike form and in a striation consisting of multiple layers spaced apart one above another.Type: GrantFiled: May 6, 1985Date of Patent: April 15, 1986Assignee: NDC Company, Ltd.Inventors: Masahito Fujita, Noboru Okabe