Patents Assigned to Saint-Gobain Abrasifs
  • Abrasive article and method of forming
    Patent number: 9254552
    Abstract: An abrasive article including a substrate having an elongated body, a tacking layer overlying the substrate, and a first type of abrasive particle overlying the tacking layer and defining a first abrasive particle concentration at least about 10 particles per mm of substrate.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: February 9, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Yinggang Tian, Paul W. Rehrig, Arup K. Khaund, Avanti Jain, Wei Che, Susanne Liebelt, Vincent Tési
  • Bonded abrasive article and method of forming
    Patent number: 9254553
    Abstract: An abrasive article includes a body having abrasive grains contained within a bond material comprising a metal or metal alloy, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is the volume percent of abrasive grains within the total volume of the body and VBM is the volume percent of bond material within the total volume of the body.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: February 9, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Srinivasan Ramanath, Kenneth A. Saucier, Rachana Upadhyay
  • Abrasive wheels and methods for making and using same
    Patent number: 9248550
    Abstract: Abrasive articles including a body having a first abrasive layer, a second abrasive layer and one or more reinforcing layers for use with cordless tools have a reduced thickness with respect to conventional counterparts. Techniques for producing and using such abrasive articles are described. In one embodiment, the first abrasive layer and the second abrasive layer comprise abrasive particles in a bond material. In an embodiment, a reinforcing layer is disposed between the first abrasive layer and the second abrasive layer. In a particular embodiment, the body comprises an average thickness of not greater than about 5 mm. In another particular embodiment, the abrasive particles can comprise silicon carbide.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: February 2, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Taeke Meerveld, Alessandro R. Milani, Marko W Versteegen, Grzegorz Wojciechowski, Karolina Rozanska-Zaworska
  • Abrasive article and method of forming
    Patent number: 9248583
    Abstract: An abrasive article may include a substrate, a tacking film overlying the substrate, abrasive particles that may include a coating layer bonded to the tacking film such that a bond between the coating layer and the tacking film defines a metallic bonding region, and a bonding layer overlying the abrasive particles and the tacking film.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: February 2, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Yinggang Tian, Arup K. Khaund, Krishnamoorthy Subramanian, John Pearlman
  • Abrasive tools and methods of forming the same
    Patent number: 9242345
    Abstract: An abrasive tool is provided that may include a body, which may include abrasive particles contained within a bond material. The abrasive particles may be a super abrasive material. The body may further include at least one of a ratio of tungsten to cast iron (W/CI) of not greater than about 1, a ratio of copper-containing compositions to cast iron (CCC/CI) of not greater than about 1, a ratio of titanium-containing compositions to cast-iron (TiCC/CI) of not greater than about 1, a ratio of tungsten carbide to cast iron (WC/CI) of not greater than about 1, a ratio of tungsten carbide to copper-containing compositions (WC/CCC) of not greater than about 1, a ratio of copper-containing compositions and titanium-containing compositions to cast iron ((CCC+TiC)/CI) of not greater than about 1.5 or a combination thereof.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: January 26, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Debdutta Roy, Srinivasan Ramanath, John Tunstall, Rachana Upadhyay, Arup K. Khaund
  • Abrasive article having abrasive segments with shaped gullet walls
    Patent number: 9227342
    Abstract: A segment for an abrasive article is disclosed. The segment can include a segment body that can have a first face that can extend along a length of the segment body on a first side of the segment body and a second face that can extend along the length of the segment body on a second side of the segment body opposite the first side. A gullet wall can extend from the first face to the second face. The gullet wall can extend along a gullet. The segment can also include a recessed region that can extend into one or both of the first and second faces. The recessed region can include a gullet portion extending at least partially along the gullet wall.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: January 5, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC, SAINT-GOBAIN ABRASIF
    Inventor: Marc Linh Hoang
  • Abrasive articles including a blend of abrasive grains and method of forming same
    Patent number: 9221151
    Abstract: An abrasive article comprising a backing material and an abrasive layer disposed on the backing material, wherein the abrasive layer comprises a blend of abrasive particles comprising a first plurality of abrasive particles and a second plurality of abrasive particles.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: December 29, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventor: Anuj Seth
  • Resin Bonded Abrasive
    Publication number: 20150360346
    Abstract: A superabrasive resin product includes a superabrasive grain component, an oxide component, and a continuous phase defining a network of interconnected pores. The oxide component consists of an oxide of a lanthanoid, and the continuous phase includes a thermoplastic polymer component. The superabrasive grain component and the oxide component are distributed in the continuous phase.
    Type: Application
    Filed: August 21, 2015
    Publication date: December 17, 2015
    Applicants: SAINT-GOBAIN ABRASIFS, SAINT-GOBAIN ABRASIVES, INC.
    Inventors: Rachana UPADHYAY, Ramanujam VEDANTHAM
  • Abrasive articles including abrasive particles bonded to an elongated substrate body having a barrier layer, and methods of forming thereof
    Patent number: 9211634
    Abstract: An abrasive article including a substrate in the form of an elongated member having a core and a barrier layer in direct contact with an peripheral surface of the core. The barrier layer consists essentially of tin. A bonding layer is overlying the elongated substrate and abrasive particles are secured in the bonding layer.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: December 15, 2015
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Paul W. Rehrig, Yinggang Tian, Arup K. Khaund
  • Abrasive article and method of forming
    Patent number: 9186816
    Abstract: An abrasive article may include a substrate, a tacking film overlying the substrate, abrasive particles that may include a coating layer bonded to the tacking film such that a bond between the coating layer and the tacking film defines a metallic bonding region, and a bonding layer overlying the abrasive particles and the tacking film.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: November 17, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Yinggang Tian, Arup K. Khaund, Krishnamoorthy Subramanian, John Pearlman
  • Abrasive products and methods for finishing hard surfaces
    Patent number: 9168638
    Abstract: A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of superfinishing a metal surface having an initial Ra in the range of about 1.5 micro inches to about 12.5 micro inches prior to application of the coated abrasive product and after application the surface has an Ra of less than 1.0 micro inch.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 27, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: James J. Manning, Mark E. Sternberg, Jianna Wang
  • Abrasive article for high-speed grinding operations
    Patent number: 9144885
    Abstract: An abrasive article can include a bonded abrasive body having abrasive particles comprising microcrystalline alumina (MCA) contained within a bond material. In an embodiment, the bonded abrasive body has a porosity of at least about 42 vol % of the total volume of the bonded abrasive body. Additionally, in an embodiment, the bonded abrasive body is capable of grinding a workpiece comprising metal at a speed of at least about 60 m/s at a material removal rate of at least about 0.4 in3/min/in (258 mm3/min/mm).
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: September 29, 2015
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Renaud Fix, Stephen Woods, Jim M. Gaffney, John Campaniello, John R. Besse, Stephen E. Fox
  • Resin bonded abrasive
    Patent number: 9138866
    Abstract: A superabrasive resin product includes a superabrasive grain component, an oxide component, and a continuous phase defining a network of interconnected pores. The oxide component consists of an oxide of a lanthanoid, and the continuous phase includes a thermoplastic polymer component. The superabrasive grain component and the oxide component are distributed in the continuous phase.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: September 22, 2015
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Ramanujam Vedantham, Rachana Upadhyay
  • Abrasive products and methods for finishing surfaces
    Patent number: 9138867
    Abstract: An engineered coated abrasive product having a three dimensional pattern of abrasive structures formed by embossing an abrasive slurry formulation that was first surface coated with a functional powder, wherein the abrasive slurry includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder. The coated abrasive product is capable of finishing and repairing defects in surfaces, including coated surfaces.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 22, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Ying Cai, James J. Manning, Jianna Wang
  • Large diameter cutting tool
    Patent number: 9138869
    Abstract: An abrasive cutting tool includes a body in a shape of a large diameter disk having an outer diameter of at least about 60 centimeters. The body has an aspect ratio defined as a ratio (D:T) between the outer diameter to an axial thickness of the body of at least about 10:1. The body includes an abrasive portion having a bond material and abrasive particles contained within the bond material. The abrasive portion also includes a first filler having iron and sulfur with an average particle size of not greater than about 40 microns. The body also includes a reinforcing member and a Thermal Adhesion Factor (TAF) of at least about 30%.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: September 22, 2015
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Kelley McNeal, Charles Deleuze, Andrew B. Schoch, Siddharth Srinivasan
  • Bonded abrasive article and method of grinding
    Patent number: 9102039
    Abstract: An abrasive article comprising: a first body comprising a first bond material having abrasive particles contained within the first bond material, wherein the first body comprising the first bond material comprises a ratio of VAG(1)/VBM(1) of at least about 1.3; a second body comprising a second bond material having abrasive particles contained within the second bond material, wherein the second body comprising the second bond material comprises a ratio of VAG(2)/VBM(2) of less than about 1.3, and wherein VAG is a volume percent of abrasive particles within a total volume of the first or second body respectively and VBM is a volume percent of the first or second bond material within the total volume of the first or second body respectively.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: August 11, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Srinivasan Ramanath, Kenneth A. Saucier, Rachana Upadhyay, Lenny C. Sales, Marc A. Lamoureux, Matthew F. Jacob, Cong Wang
  • Abrasive tip for abrasive tool and method for forming and replacing thereof
    Patent number: 9097067
    Abstract: A device for securing a plurality of abrasive segments to an abrasive tool is provided. The abrasive tool includes a rotatable body with an outer diameter and an inner diameter. The device includes a carrier element that includes a first portion that accommodates the plurality of abrasive segments and a second portion opposite from the first portion that attaches to the rotatable body. The second portion includes a shoulder extending therefrom that facilitates centering with the rotatable body.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: August 4, 2015
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Ignazio Gosamo, Sebastien Marcel Robert Douveneau
  • Abrasive article comprising abrasive particles of a composite composition
    Patent number: 9073177
    Abstract: An abrasive article including a body having a bond material and abrasive particles contained in the bond material, the abrasive particles including a composite composition having alumina (Al2O3), iron oxide (Fe2O3), and silica (SiO2). The abrasive particles further include an aspect ratio of at least 1:1 and an average porosity in a range of about 0 vol % to not greater than about 15 vol %.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: July 7, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Lingyu Li, Muthu Jeevanantham, Andre Collin, Renaud Fix
  • Abrasive articles including abrasive particles bonded to an elongated body
    Patent number: 9067268
    Abstract: An abrasive article comprising an elongated body, a bonding layer overlying a surface of the elongated body, and abrasive grains contained within the bonding layer at an average abrasive grain concentration within a range between about 0.02 ct/m and about 0.30 ct/m.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: June 30, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Susanne Liebelt, Vincent Tesi, Theodor Von Bennigsen-Mackiewicz
  • Methods of grinding workpieces comprising superabrasive materials
    Patent number: 9056380
    Abstract: A method of grinding a superabrasive workpiece includes placing a bonded abrasive article in contact with a superabrasive workpiece, wherein the bonded abrasive article comprises a body including abrasive grains contained within a bond material, and the superabrasive workpiece has an average Vickers hardness of at least about 1 GPa, and removing material from the superabrasive workpiece at an average specific grinding energy (SGE) of not greater than about 350 J/mm3, at an average material removal (MRR) rate of at least about 8 mm3/sec for a centerless grinding operation.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: June 16, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Rachana Upadhyay, Srinivasan Ramanath, Christopher Arcona, John E. Gillespie