Patents Examined by Archene Turner
  • Patent number: 10436324
    Abstract: A piston ring for an internal combustion engine may include a substantially annular base of a ferrous alloy upon which is applied a coating. The coating may have a first bonding layer and at least a first external layer or a second external layer deposited upon the first bonding layer up to a maximum of 100 micrometers in thickness of a plurality of sequentially deposited first and second external layers. The first external layer may include a nitride of a doped metal chemical element, a doping element being aluminum. The second external layer may include a nitride of the metal chemical element. The first external layer may have a thickness greater than at least once a thickness of the second external layer and less than ten times the thickness of the second external layer.
    Type: Grant
    Filed: April 17, 2016
    Date of Patent: October 8, 2019
    Assignees: Mahle Metal Leve S/A, Mahle International GmbH
    Inventors: Juliano Avelar Araujo, Paulo Jose Da Rocha Mordente, Robert R. Banfield
  • Patent number: 10428416
    Abstract: Provided are a coating film, a manufacturing method for the same, and a PVD device that not only sufficiently improve the balance of low-friction properties and wear resistance, but also improve chipping resistance (defect resistance) and peeling resistance. This coating film coats a substrate surface, wherein a hard carbon layer is formed extending in columns-shape perpendicular to the substrate when observed in a cross-sectional bright-field TEM image, the hard carbon layer is formed using a PVD method, and the ID/IG ratio is 1-6 when the hard carbon layer is measured using Raman spectroscopy, said ratio being the ratio of the Raman spectrum D band peak area intensity and G band peak area intensity.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: October 1, 2019
    Assignees: NIPPON ITF, INC., NIPPON PISTON RING CO., LTD.
    Inventors: Hideki Moriguchi, Tadashi Saito, Yoshikazu Tanaka, Tetsumi Arahi, Katsuaki Ogawa, Takahiro Okazaki, Hiroyuki Sugiura, Yoshihiro Ito
  • Patent number: 10428417
    Abstract: A coated cutting tool includes a body and a hard and wear resistant PVD coating on the body, wherein the body is made from a cemented carbide, cermet, ceramics, polycrystalline diamond or polycrystalline cubic boron nitride based materials. The coating includes a first (Ti,Al)-based nitride sub-coating and a second (Ti,Al)-based nitride sub-coating. The first (Ti,Al)-based nitride sub-coating can be a single layer, and the second (Ti,Al)-based nitride sub-coating can be a laminated structure, wherein the first (Ti,Al)-based nitride sub-coating includes a (Ti1-xAlx)Nz-layer where 0.1<x<0.4, 0.6<z<1.2, and wherein the second (Ti,Al)-based nitride sub-coating includes a (Ti1-x1-y1Alx1Cry1)Nz1 layer where 0.5<x1<0.75, 0.05<y1<0.2, 0.6<z1<1.2.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: October 1, 2019
    Assignee: Seco Tools AB
    Inventors: Jon Andersson, Mats Johansson Jöesaar, Stefan Larsson
  • Patent number: 10414944
    Abstract: The present invention provides a novel antifouling article comprising a base material, a diamond-like carbon layer and an antifouling coating layer which is formed on the diamond-like carbon layer from a surface treating agent comprising a perfluoropolyether group-containing compound and having high acid resistant and alkaline resistant.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: September 17, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kensuke Mohara, Hisashi Mitsuhashi
  • Patent number: 10415119
    Abstract: In one aspect sintered cemented carbide articles are described herein which, in some embodiments, exhibit enhanced resistance to wear and thermal fatigue. Further, sintered cemented carbide articles described herein can tolerate variations in carbon content without formation of undesirable phases, including eta phase and/or free graphite (C-type porosity). Such tolerance can facilitate manufacturing and use of carbide grades where carbon content is not strictly controlled. A sintered cemented carbide body described herein comprises a hard particle phase including tungsten carbide and a metallic binder phase comprising at least one of cobalt, nickel and iron and one or more alloying additives, wherein the sintered cemented carbide has a magnetic saturation (MS) ranging from 0% to 73% and no eta phase.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: September 17, 2019
    Assignee: KENNAMETAL INC.
    Inventors: Pankaj B. Trivedi, Pankaj Kumar Mehrotra
  • Patent number: 10407777
    Abstract: A coated cutting tool includes a substrate of cemented carbide, cermet, ceramics, steel or cubic boron nitride, a multi-layered wear resistant coating and at least two refractory coating layers deposited. The at least two refractory coating layers include a first coating layer and a second coating layer deposited on top of each other. The first coating layer is titanium aluminum nitride or carbonitride Ti1-uAluCvNw, with 0.2?u?1.0, 0?v?0.25 and 0.7?w?1.15 deposited by CVD. The second coating layer is titanium carbonitride TixCyN1-y, with 0.85?x?1.1 and 0.4?y?0.85, and is deposited on top of the first coating layer by MT-CVD. The second TixCyN1-y coating layer has a columnar grain morphology and the overall fiber texture of the TixCyN1-y coating layer is characterized by a texture coefficient TC (1 1 1)>2.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: September 10, 2019
    Assignee: WALTER AG
    Inventors: Dirk Stiens, Thorsten Manns, Sakari Ruppi
  • Patent number: 10400895
    Abstract: A sliding element for internal combustion engines may include a sliding face upon which are deposited, from the sliding face outwards, an adhesive layer and a coating of hard amorphous carbon. The coating may present a proportion of sp3 to sp2 ranging from 0.42 to 2.33 and at least one of an Rmr (0.2-0.5) profile greater than at least 25% and/or an Rmr (0.3-0.5) profile greater than at least 50%.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: September 3, 2019
    Assignees: Mahle Metal Leve S/A, Mahle International GmbH
    Inventors: Robert Richard Banfield, Juliano Avelar Araujo
  • Patent number: 10392576
    Abstract: A coated sliding member 10 for use under an environment where it is in contact with lubricant, comprising: a base material 12; and a first hard carbon layer 14 having a thickness of 3 ?m or more formed on a surface of the base material by a vacuum arc method using carbon and consisting of diamond-like carbon, containing substantially no hydrogen and being configured only of carbon, and a second hard carbon layer 15 formed on a surface of the first hard carbon layer by a vacuum arc method using carbon and consisting of diamond-like carbon, containing substantially no hydrogen and being configured only of carbon and nitrogen, the film thickness of the second hard carbon layer being 3 to 35% of the film thickness of the first hard carbon layer.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: August 27, 2019
    Assignee: KABUSHIKI KAISHA RIKEN
    Inventor: Katsuhiro Tsuji
  • Patent number: 10392312
    Abstract: An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix of barium-magnesium alumino-silicate or SiO2, a dispersion of silicon oxycarbide particles in the matrix, and a dispersion of particles, of the other of barium-magnesium alumino-silicate or SiO2, in the matrix.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: August 27, 2019
    Assignee: United Technologies Corporation
    Inventors: Xia Tang, Paul Sheedy, Tania Bhatia Kashyap, Wayde R. Schmidt, Daniel G. Goberman
  • Patent number: 10396009
    Abstract: A heat dissipation material includes a plurality of linearly-structured objects of carbon atoms configured to include a first terminal part and a second terminal part; a first diamond-like carbon layer configured to cover the first terminal part of each of the plurality of linearly-structured objects; and a filler layer configured to be permeated between the plurality of linearly-structured objects.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: August 27, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Yoshitaka Yamaguchi, Taisuke Iwai, Masaaki Norimatsu, Yukie Sakita, Shinichi Hirose, Yohei Yagishita
  • Patent number: 10393315
    Abstract: A cellular structure may include a plurality of cells each having a twelve-cornered cross section. The twelve-cornered cross section may include twelve sides and twelve corners creating nine internal angles and three external angles. Each cell may include a plurality of longitudinal walls extending between a top and a bottom of the cell, the longitudinal walls intersecting to create corners of the cell. A structural component may include at least one wall surrounding a component interior space with a cellular structure having at least two cells positioned within the interior space. A sandwich structure may include first and second planar structures, and a cellular structure positioned between the first and second substantially planar structures.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: August 27, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventor: Tau Tyan
  • Patent number: 10384269
    Abstract: In a surface-coated cutting tool in which a hard coating layer having a total layer thickness of 0.5 to 10 ?m is deposited on a surface of a tool body made of WC-based cemented carbide or TiCN-based cermet, the hard coating layer has an alternately laminated structure of A layers and B layers, in a case where the A layer is: (AlaTi1-a)N (here, a is in atomic ratio), the A layer satisfies 0.50?a<0.75, in a case where the B layer is: (AlbTi1-b)N (here, b is in atomic ratio), the B layer satisfies 0.75?b?0.95, and when a layer thickness per layer of the A layers is represented by x (nm) and a layer thickness per layer of the B layers is represented by y (nm), 5y?x?3y and 250 (nm)?x+y?100 (nm) are satisfied.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: August 20, 2019
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventor: Hidetoshi Asanuma
  • Patent number: 10375825
    Abstract: This power module substrate includes a copper plate that is formed of copper or a copper alloy and is laminated on a surface of a ceramic substrate 11; a nitride layer 31 that is formed on the surface of the ceramic substrate 11 between the copper plate and the ceramic substrate 11; and an Ag—Cu eutectic structure layer 32 having a thickness of 15 ?m or less that is formed between the nitride layer and the copper plate.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: August 6, 2019
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Nobuyuki Terasaki, Yoshiyuki Nagatomo, Kimihito Nishikawa, Yoshirou Kuromitsu
  • Patent number: 10369632
    Abstract: A coated tool is, for example, a cutting tool which is provided with a base material and a coating layer located on the base material, wherein a cutting edge and a flank surface are located on the coating layer, the coating layer has a portion in which at least a titanium carbonitride layer and an aluminum oxide layer having an ?-type crystal structure are laminated in this order, and, with regard to a texture coefficient (Tc) (hkl) which is calculated on a basis of a peak of the aluminum oxide layer analyzed by an X-ray diffraction analysis, a texture coefficient (Tc1) (146) as measured from a surface side of the aluminum oxide layer in the flank surface is 1 or more.
    Type: Grant
    Filed: August 22, 2015
    Date of Patent: August 6, 2019
    Inventors: Kensaku Watanabe, Yoshikazu Kodama, Takahito Tanibuchi
  • Patent number: 10370758
    Abstract: A coated tool is, for example, a cutting tool which is provided with a base material and a coating layer located on the base material, wherein a cutting edge and a flank surface are located on the coating layer, the coating layer has a portion in which at least a titanium carbonitride layer and an aluminum oxide layer having an ?-type crystal structure are laminated in this order, and, with regard to a texture coefficient (Tc) (hkl) which is calculated on a basis of a peak of the aluminum oxide layer analyzed by an X-ray diffraction analysis, a texture coefficient (Tc1) (4_0_10) as measured from a surface side of the aluminum oxide layer in the flank surface is 0.6 or more.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: August 6, 2019
    Assignee: Kyocera Corporation
    Inventors: Yoshikazu Kodama, Kensaku Watanabe, Takahito Tanibuchi
  • Patent number: 10357934
    Abstract: A hollow article is provided, comprising a first wall and a second wall, where the first and second walls are positioned in opposing relationship and define a space therebetween. A plurality of protruding structural pillars extend from the second wall and span the space, each of the structural pillars having an end surface integrally bonded with an inside surface of the first wall.
    Type: Grant
    Filed: October 4, 2015
    Date of Patent: July 23, 2019
    Assignee: ABC TECHNOLOGIES INC.
    Inventors: Raj Roychoudhury, Stephen Hawkins
  • Patent number: 10358712
    Abstract: This surface-coated cutting tool includes a cutting tool body made of tungsten carbide-based cemented carbide and a hard coating layer deposited on a surface of the cutting tool body, in which the hard coating layer has at least one (Ti1-xAlx)N layer (0.4?X?0.7, X is an atomic ratio) with an average layer thickness of 0.5 to 10 ?m, the (Ti, Al)N layer has a cubic crystal structure, and Ia?Ib<5 is satisfied when Ia (%) is an average absorptance of the hard coating layer at a wavelength of 400 to 500 nm and Ib (%) is an average absorptance of the hard coating layer at a wavelength of 600 to 700 nm.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: July 23, 2019
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Takashi Kimura, Masakuni Takahashi, Kazuaki Senbokuya, Tatsuo Hashimoto
  • Patent number: 10337120
    Abstract: An alumina substrate having a carbon-containing phase with an AlN layer formed on a surface of the alumina substrate.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: July 2, 2019
    Assignee: TDK CORPORATION
    Inventors: Kazuhito Yamasawa, Atsushi Ohido, Katsumi Kawasaki
  • Patent number: 10329671
    Abstract: The hard coating layer includes at least a complex nitride or complex carbonitride layer expressed by the composition formula (Ti1-xAlx)(CyN1-y). The average Al content ratio xavg the average C content ratio yavg satisfy 0.60?xavg?0.95 and 0?yavg?0.005, respectively, each of the xavg and yavg is in atomic ratio. The crystal grains constituting the complex nitride or complex carbonitride layer include a crystal grain having the cubic structure. Predetermined average crystal grain misorientation and inclined angle distribution exist in the crystal grains having the cubic structure.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: June 25, 2019
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Sho Tatsuoka, Kenji Yamaguchi
  • Patent number: 10316970
    Abstract: A Ti—Si—C—N coating for a piston ring and a method forming such coating, wherein the deposited coating exhibits a thickness in the range of 10.0 micrometers to 20.0 micrometers and exhibits a coefficient of friction of less than 0.15 and a wear rate of less than 10×10?6 mm3/N/m. The coefficient of friction being measured on a Plint TE77 and the wear rate being measured against an alumina ball of 0.25 inches in diameter at a load of 1 N at 100 rpm in a dry environment. The deposited Ti—Si—C—N coating includes nanocrystalline phases in an amorphous matrix.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: June 11, 2019
    Assignee: Southwest Research Institute
    Inventors: Jianliang Lin, Ronghua Wei, Peter Mark Lee, Daniel Christopher Bitsis, Jr.