Patents Assigned to Oiles Corporation
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Patent number: 9738846Abstract: Provided are: a solid lubricant having a low friction coefficient and excellent abrasion resistance; and a sliding member having this solid lubricant embedded therein. The solid lubricant (4) has a sea-island structure, comprising: a sea phase as a continuous phase, containing a hydrocarbon-based wax and a polyethylene resin; and an island phase as a dispersion phase, containing a low-molecular weight tetrafluoroethylene resin, a higher fatty acid salt, a phosphate of basic nitrogen-containing compound, and zinc stannate. A high-molecular weight tetrafluoroethylene resin is contained in this continuous-phase sea phase in a fibrous and mesh state. The hydrocarbon-based wax content is 30-60 vol %, the polyethylene resin content is 3-10 vol %, the low-molecular weight tetrafluoroethylene resin content is 10-30% vol %, the higher fatty acid salt content is 20-40% vol %, the basic nitrogen-containing compound phosphate content is 0.5-5 vol %, the zinc stannate content is 0.Type: GrantFiled: April 10, 2013Date of Patent: August 22, 2017Assignee: OILES CORPORATIONInventors: Yoshiaki Yamamoto, Kentaro Okubo
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Patent number: 9732538Abstract: A laminated sliding member 1 includes a base body 4 having one flat surface 3 which is circular in a plan view and a solid lubricant layer 5 adhered to the flat surface 3 of the base body 4 and having a sliding surface 2 which is circular in a plan view.Type: GrantFiled: June 23, 2014Date of Patent: August 15, 2017Assignee: OILES CORPORATIONInventors: Osamu Kochiyama, Hiroyuki Ogoe, Shinji Sato, Yoshiyuki Fujii
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Publication number: 20170217274Abstract: A thrust sliding bearing reduces the number of components to thereby reduce the burden of assembly and components management and prevents unusual wear of a surface of an annular synthetic resin-made sliding bearing piece, which faces an annular metal plate. A thrust sliding bearing comprises an upper case which is integrally formed at least by an annular upper case base having an annular bottom surface and by an upper case cylindrical portion which is provided vertically from the annular bottom surface of the upper case base to be fitted in a lower case, wherein a synthetic resin-made sliding bearing piece is fixed to the inner side of the upper case cylindrical portion.Type: ApplicationFiled: July 24, 2015Publication date: August 3, 2017Applicant: Oiles CorporationInventor: Tsuyoshi NAGASHIMA
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Publication number: 20170211622Abstract: A bearing bush 1 for use in a toggle has a cylindrical metallic base material 2 and a solid lubricant 3 embedded in the metallic base material 2, and the metallic base material 2 has dead end grooves 5 formed in a cylindrical inner peripheral surface 4, an annular groove 6 formed in the cylindrical inner peripheral surface 4, and circular holes 7a and 7b as well as 7c and 7d formed in each of a pair of semicylindrical inner peripheral surfaces 4a and 4b adjacent to each other in an axial direction X and two pairs of semicylindrical inner peripheral surfaces 4c and 4d sandwiching the pair of semicylindrical inner peripheral surfaces 4a and 4b in a circumferential direction R and adjacent to each other in the axial direction X in each pair.Type: ApplicationFiled: July 22, 2015Publication date: July 27, 2017Applicant: Oiles CorporationInventors: Maki HIRAYAMA, Taku WATAKABE
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Patent number: 9714708Abstract: A cylindrical gasket includes a reinforcing member 70, a heat-resistant material 71, and pores which are dispersedly distributed in the reinforcing member 70 and the heat-resistant material 71, the reinforcing member 70 and the heat-resistant material 71 are intertwined with each other so as to be provided with structural integrity, and with respect to a total volume of the cylindrical gasket, the reinforcing member 70 occupies a volume of 32 to 60%, the heat-resistant material 71 occupies a volume of 5 to 58%, and the pores occupy a volume of 10 to 35%.Type: GrantFiled: November 12, 2012Date of Patent: July 25, 2017Assignee: OILES CORPORATIONInventors: Shin-ichi Shionoya, Koichi Ishida
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Patent number: 9707816Abstract: A synthetic resin-made sliding bearing includes a synthetic resin-made upper casing which is fixed to a vehicle body side through a mounting member; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis in a circumferential direction relative to the upper casing; and a synthetic resin-made sliding bearing piece disposed in a space between the upper casing and the lower casing.Type: GrantFiled: November 29, 2016Date of Patent: July 18, 2017Assignees: OILES CORPORATION, OILES DEUTSCHLAND GMBHInventors: Yoshikazu Sakairi, Katsunori Saito, Robert Hamrodi, Kai Metzler, Yoshiteru Igarashi
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Patent number: 9683687Abstract: A spherical exhaust pipe joint 1 includes an outer case 6, an inner case 8, a seal body 13 facing an inner peripheral surface 9 of the outer case 6 and an outer peripheral surface 11 of the inner case 8, a seal body 16 facing the inner peripheral surface 9 of the outer case 6 and the outer peripheral surface 11 of the inner case 8, and a wave spring 17 which is disposed between the outer case 6 and the inner case 8 to resiliently urge the seal bodies 13 and 16 in an axial direction toward one of the outer case 6 and the inner case 8.Type: GrantFiled: May 20, 2013Date of Patent: June 20, 2017Assignee: OILES CORPORATIONInventors: Hideto Arigaya, Hidetoshi Kaida, Tsuyoshi Suematsu
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Publication number: 20170114837Abstract: A shaft coupling mechanism 1 for an electric power steering apparatus includes a coupling base body 3 coupled to a rotating shaft 2; a coupling base body 5 coupled to a rotating shaft 4; a rotation transmitting member 8 constituted by a pair of rigid rotation transmitting members 6 and 7 disposed between the rotating shaft 2 and the rotating shaft 4 through both coupling base bodies 3 and 5 and adapted to transmit the rotation of the rotating shaft 2 in an R direction about an axis O to the rotating shaft 4; an elastic member 9 interposed between the rotation transmitting members 6 and 7 and coupled to the rotation transmitting members 6 and 7 in such a manner as to be axially superposed on the rotation transmitting members 6 and 7; and a coupling means 10 for coupling the pair of rotation transmitting members 6 and 7 to each other.Type: ApplicationFiled: May 27, 2015Publication date: April 27, 2017Applicant: OILES CORPORATIONInventors: Shuichi YAMAGUCHI, Noboru NAKAGAWA
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Patent number: 9631543Abstract: In an exhaust pipe spherical joint X, a spherical annular seal member 36 is fitted and fixed to a pipe end portion 42, the spherical annular seal member 36 is seated by abutting against a flange 43, a flared portion 47 formed of an Fe—Cr base stainless steel and containing 17.00 to 19.00% by mass of Cr is secured to a downstream-side exhaust pipe 44, and an inner surface 48 of a concave spherical surface portion 45 is brought into slidable contact with a composite surface 40 in which a surface 38 constituted by a reinforcing member 5 and a surface 39 constituted by a solid lubricant are present in mixed form in an outer surface 37 of an outer layer 35 of the spherical annular seal member 36.Type: GrantFiled: December 18, 2012Date of Patent: April 25, 2017Assignee: OILES CORPORATIONInventors: Kouhei Kurose, Eiji Satou, Yoshifumi Asano, Ryota Koibuchi
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Patent number: 9623714Abstract: A synthetic resin-made sliding bearing 1 includes a synthetic resin-made upper casing 2 which is fixed to a mounting member on a vehicle body side; a reinforced synthetic resin-made lower casing 3 which is superposed on the upper casing 2 so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing 2; a metallic reinforcing member 4; and a synthetic resin-made sliding bearing piece 5 disposed in a space S between the upper casing 2 and the lower casing 3.Type: GrantFiled: January 27, 2014Date of Patent: April 18, 2017Assignees: OILES CORPORATION, OILES DEUTSCHLAND GMBHInventors: Yoshikazu Sakairi, Katsunori Saito, Robert Hamrodi, Kai Metzler, Yoshiteru Igarashi
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Patent number: 9624969Abstract: A thrust sliding bearing 1 includes: a synthetic resin-made upper casing 3 which has a vehicle body-side seat surface 10 for a mounting member 8 on a vehicle body side and an annular lower surface 2; a synthetic resin-made lower casing 5 on which an annular upper surface 4 opposed to the annular lower surface 2 and a spring seat surface 25 for a suspension coil spring 7 are integrally formed, and which is superposed on the upper casing 3 so as to be rotatable about an axis O of the upper casing 3 in an R direction; and a synthetic resin-made thrust sliding bearing piece 6 which is disposed in an annular gap 9 between the annular lower surface 2 and the annular upper surface 4, and has an annular thrust sliding bearing surface 51 which slidably abuts against at least one of the annular lower surface 2 and the annular upper surface 4.Type: GrantFiled: September 11, 2013Date of Patent: April 18, 2017Assignee: OILES CORPORATIONInventor: Ryohei Kaneko
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Patent number: 9618035Abstract: A sliding bearing includes: an upper casing; a synthetic resin-made lower casing which is superposed on the upper casing so as to be rotatable about an axis in a circumferential direction relative to the upper casing; a synthetic resin-made sliding bearing piece disposed in an annular space between the upper casing and the lower casing; and a synthetic resin-made seal member for sealing respective other annular end portions, communicating with the outside, of a gap on an inner peripheral side and a gap on an outer peripheral side in a radial direction between the upper casing and the lower casing, the gap and the gap respectively communicating with the annular space at their one annular end portions.Type: GrantFiled: June 23, 2015Date of Patent: April 11, 2017Assignee: OILES CORPORATIONInventors: Kouici Morishige, Takashi Horiguchi
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Patent number: 9581196Abstract: A sliding member having more improved wear resistance is provided at a low cost. A sliding member is provided with: a substrate which is made of a nonwoven fabric; and a base resin which includes a phenol resin and which is impregnated into the substrate. The nonwoven fabric is preferably a bonded nonwoven fabric which is produced by a thermal bonding method, a binder method or the like and which has a strength that can tolerate the tension applied to the substrate in the step for producing the sliding member. It is preferable that the nonwoven fabric is made of a polyethylene terephthalate (PET) fiber which exhibits a high affinity for the phenol resin. Further, it is preferable that the phenol resin contains a chelating agent which can increase sites of crosslink with hydroxyl groups of the phenol resin.Type: GrantFiled: July 8, 2013Date of Patent: February 28, 2017Assignee: OILES CORPORATIONInventor: Shusaku Nishimurota
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Patent number: 9568047Abstract: High-strength brass alloy having superior wear maintains single-structure ? phase and Fe—Cr—Si-based intermetallic compounds dispersed in the ? phase. A high-strength brass alloy for sliding member comprises Zn from 17% to 28%, Al from 3% to 10%, Fe from 1% to 4%, Cr from 0.1% to 4%, Si from 0.5% to 3%, mass ratio, and the remnant including Cu and inevitable impurities. The high-strength brass alloy has structure in which the matrix shows single-phase structure of ? phase and Fe—Cr—Si-based intermetallic compounds are dispersed in the ? phase. The high-strength brass alloy for sliding member has the structure in which the matrix shows single-structure of ? phase and hard Fe—Cr—Si-based intermetallic compounds are dispersed in the ? phase. Thus the hardness is increased and wear resistance is improved.Type: GrantFiled: November 21, 2014Date of Patent: February 14, 2017Assignee: OILES CORPORATIONInventors: Maki Hirayama, Taku Watakabe, Kentaro Okubo
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Publication number: 20170037952Abstract: A rack-and-pinion type steering apparatus 1 includes a pinion 2 which is rotatable in an R direction; a rack bar 4 which has rack teeth 3 meshing with the pinion 2 and is linearly movable in a sliding direction A; a gear box 5 for rotatably supporting the pinion 2 in the R direction; a rack guide 6 for slidably supporting the rack bar 4; and a resilient means 7 for pressing the rack guide 6 toward the pinion 2.Type: ApplicationFiled: April 2, 2015Publication date: February 9, 2017Applicant: OILES CORPORATIONInventors: Hiroyuki KIKUCHI, Yoshikazu SAKAIRI
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Patent number: 9556906Abstract: A synthetic resin-made sliding bearing 1 includes a synthetic resin-made upper casing 2 which is fixed to a mounting member on a vehicle body side through a mounting member; a synthetic resin-made lower casing 3 which is superposed on the upper casing 2 so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing 2; and a synthetic resin-made sliding bearing piece 5 disposed in a space 4 between the upper casing 2 and the lower casing 3.Type: GrantFiled: February 5, 2014Date of Patent: January 31, 2017Assignees: OILES CORPORATION, OILES DEUTSCHLAND GMBHInventors: Yoshikazu Sakairi, Katsunori Saito, Robert Hamrodi, Kai Metzler, Yoshiteru Igarashi
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Patent number: 9550633Abstract: To provide a levitation air plate that can be easily manufactured and can float a substance being conveyed such as a glass while maintaining its high rigidity and controlling a floating amount in high accuracy.Type: GrantFiled: July 14, 2016Date of Patent: January 24, 2017Assignee: Oiles CorporationInventors: Kouichi Tsunoda, Akihiko Ito, Takahiro Yasuda, Hideo Ozawa
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Patent number: 9539874Abstract: A synthetic resin-made sliding bearing 1 includes a synthetic resin-made upper casing 2 which is fixed to a vehicle body side through a mounting member; a synthetic resin-made lower casing 3 which is superposed on the upper casing 2 so as to be rotatable about an axis O in a circumferential direction R relative to the upper casing 2; and a synthetic resin-made sliding bearing piece 5 disposed in a space 4 between the upper casing 2 and the lower casing 3.Type: GrantFiled: February 4, 2014Date of Patent: January 10, 2017Assignees: OILES CORPORATION, OILES DEUTSCHLAND GMBHInventors: Yoshikazu Sakairi, Katsunori Saito, Robert Hamrodi, Kai Metzler, Yoshiteru Igarashi
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Patent number: 9494207Abstract: A friction damper includes: a base body; a support secured to an elongated member of the base body and having a through hole; a rod which extends in such a manner as to pass through the through hole of the support and is movable in an axial direction with respect to the support; a friction member which has a hollow cylindrical portion interposed between the support and a main body portion of the rod in the through hole of the support, and which is fixed immovably with respect to the relative movement of the rod in the axial direction with respect to the base body; and a tightening means provided for the support so as to tighten the hollow cylindrical portion of the friction member onto the main body portion of the rod.Type: GrantFiled: June 19, 2013Date of Patent: November 15, 2016Assignee: Oiles CorporationInventors: Akihiko Okimura, Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai
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Patent number: 9488240Abstract: A friction damper includes a base body; a support secured to an elongated member of the base body and having a through hole; a rod which extends in such a manner as to pass through the through hole of the support and is movable in an axial direction with respect to the support; a friction member which has a hollow cylindrical portion interposed between the support and a main body portion of the rod in the through hole of the support, and which is fixed immovably with respect to the relative movement of the rod in the axial direction with respect to the base body; and a tightening structure provided for the support so as to tighten the hollow cylindrical portion of the friction member onto the main body portion of the rod.Type: GrantFiled: August 8, 2007Date of Patent: November 8, 2016Assignee: Oiles CorporationInventors: Akihiko Okimura, Kazuhiro Nagashima, Go Tanaka, Yoshikazu Arai