Patents Assigned to Saint-Gobain Abrasifs
  • Patent number: 9533397
    Abstract: An abrasive article including a substrate having an elongated body, a tacking layer overlying the substrate, a first type of abrasive particle overlying the tacking layer, a second type of abrasive particle different than the first type of abrasive particles overlying the tacking layer, and a bonding layer overlying at least a portion of one of the first type of abrasive particle and the second type of abrasive particle and the tacking layer.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: January 3, 2017
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Paul W. Rehrig, Yinggang Tian, Wei Che, Arup K. Khaund, Thomas Puthanangady, Christopher Arcona, Srinivasan Ramanath
  • Patent number: 9486896
    Abstract: An abrasive article includes a body having an abrasive portion. The abrasive portion includes a bond material and abrasive particles located within the bond material. The body also comprises a coating coupled to and overlying at least a portion of an exterior surface of the abrasive portion. The coating has a water vapor transmission rate of not greater than about 2 g/m2-day.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: November 8, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventor: Han Zhang
  • Patent number: 9457453
    Abstract: A coated abrasive article comprising a backing, an adhesive layer disposed in a discontinuous distribution on at least a portion of the backing, wherein the discontinuous distribution comprises a plurality of adhesive contact regions having at least one of a lateral spacing or a longitudinal spacing between each of the adhesive contact regions; and at least one abrasive particle disposed on each adhesive contact region, the abrasive particle having a tip, and there being at least one of a lateral spacing or a longitudinal spacing between each of the abrasive particles, and wherein at least 65% of the at least one of a lateral spacing and a longitudinal spacing between the tips of the abrasive particles is within 2.5 standard deviations of the mean.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 4, 2016
    Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFS
    Inventors: Anuj Seth, Darrell K. Everts, Vivek Cheruvari Kottieth Raman
  • Patent number: 9440332
    Abstract: An abrasive article comprising a first group including a plurality of shaped abrasive particles overlying a backing, wherein the plurality of shaped abrasive particles of the first group define a first non-shadowing distribution relative to each other.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: September 13, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Anthony C. Gaeta, Anuj Seth, Christopher Arcona, Doruk O. Yener, Jennifer H. Czerepinski, Sujatha Iyengar, Frank J. Csillag, William C. Rice, Satyalakshmi K. Ramesh, Gregory Lafond, Sidath S. Wijesooriya, Adam D. Lior, Alan J. Brandes, Anil Parmar, Paul Braun, Darrel K. Everts
  • Patent number: 9434051
    Abstract: An abrasive article comprising a nonwoven substrate material having a top surface and a bottom surface; a woven cloth; a thermoplastic fastener; and a plurality of abrasive particles, wherein the cloth layer is adhered to the top surface of the nonwoven substrate material; wherein the thermoplastic fastener is disposed on the cloth, and wherein the plurality of abrasive particles are disposed on at least the bottom surface of the nonwoven abrasive substrate.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: September 6, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Shyiguei Hsu, Dan M. Villareal, Julienne C. LaBrecque, Scott Kilinski, Vivek Cheruvari Kottieth Raman, Anuj Seth, Jane Chen-Liang, Fernando J. Ramirez, Victor D. Perez
  • Patent number: 9427846
    Abstract: An abrasive article that may include a circular substrate with a plurality of segments arranged on the circumferential surface of the circular substrate. The abrasive article may also include an outlet slot defining an open space on a peripheral portion of the abrasive article between a first segment and a second segment, a center slot defining an open space in the circular substrate connected to the outlet slot, a noise absorbing hole connected to the center slot and protruding from the center slot in the rotating direction of the abrasive article, and a ratio (H+X)/CSD of at least about 0.01, where H represents a prescribed height of the noise absorbing hole, X represents a prescribed depth of the noise absorbing hole and CSD represents the diameter of the circular substrate.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: August 30, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Satoshi Aoki, Hiromi Shiraishi
  • Patent number: 9409279
    Abstract: A bonded abrasive tool includes a bonded abrasive body having a bond matrix material with an organic bond material, abrasive grains contained within the bond matrix material, and chopped fiber bundles within the bond matrix material. The tool further has a porosity within the bonded abrasive body, wherein a majority of the porosity includes pores surrounding the chopped fiber bundles.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: August 9, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Konstantin S. Zuyev, Walter Strandgaard, Joel A. Fife, Muthu Jeevanantham
  • Patent number: 9409243
    Abstract: An abrasive article including a substrate as an elongated member, a first layer overlying the substrate, abrasive particles overlying the first layer, fillets connecting the first layer and the abrasive particles, a bonding layer overlying the abrasive particles, the first layer and the fillets, and the fillets have a fillet characteristic relative to an abrasive application, the fillet characteristic selected from the group consisting of tacking factor (tfl/tf), a fillet-to-particle factor (tf/dab), a fillet-to-bonding layer factor (tf/tbl), a contact factor (Ab/Af), a fillet size variance (Vf), and a combination thereof.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: August 9, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Yinggang Tian, Paul W. Rehrig, Arup K. Khaund
  • Patent number: 9381618
    Abstract: A grinding tool includes a shank having an axis, and at least two abrasive portions mounted directly to and in contact with the shank without a hub therebetween. Each of the abrasive portions has a substantially identical profile formed therein.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: July 5, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Rajesh Kaul, John Tunstall, Shivshankar Sivasubramanian, Srinivasan Ramanath, Rachana Upadhyay, Arup K Khaund, Yinggang Tian, John Pearlman, Michael D. Cheng, Cecile O. Mejean
  • Patent number: 9375826
    Abstract: An abrasive article including a substrate made of a wire, abrasive particles affixed to the substrate, the abrasive particles having a first coating layer overlying the abrasive particles, and a second coating layer different than the first coating layer overlying the first coating layer. The abrasive article further including a bonding layer overlying the substrate and abrasive particles.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 28, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Yinggang Tian, Arup K. Khaund, John Pearlman
  • Patent number: 9358669
    Abstract: A coated abrasive product that includes a polymer binder comprising a co-polyester having a bisphenol moiety in the backbone of the co-polyester. The coated abrasive product is capable of finishing coated surfaces and repairing defects in coated surfaces, including surfaces coated with automotive primers, paints, clear coats, and combinations thereof.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: June 7, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: William C. Rice, James J. Manning
  • Patent number: 9335198
    Abstract: A method of using a paint cup assembly with a paint sprayer includes filling a paint cup assembly with paint, closing the paint cup assembly, inverting the paint cup assembly, and engaging the paint cup assembly with the paint sprayer. The paint cup assembly includes a spring loaded valve to prevent paint from leaking from the paint cup assembly when the paint cup assembly is inverted.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: May 10, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Biagio P. Pellegrino, Clemens E. Zoellner, Thomas R. Nixon, Christopher J. Chilton
  • Patent number: 9321947
    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, a nanoparticle binder, a sulfosuccinate, and a crosslinking, wherein the abrasive aggregates are dispersed within a polymer resin coating comprising a mixture of copolyester resin. The coated abrasive product is capable of finishing coated surfaces and repairing defects in coated surfaces, including surfaces coated with automotive primers, paints, clear coats, and combinations thereof.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: April 26, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: James J. Manning, Jianna Wang, Charles G. Herbert, William C. Rice, Anuj Seth
  • Patent number: 9289881
    Abstract: An abrasive article includes a carrier element, an abrasive component, and a bonding region between the abrasive component and the carrier element. The abrasive component includes abrasive particles bound in a metal matrix. The abrasive component further includes a network of interconnected pores substantially filled with an infiltrant. The infiltrant has an infiltrant composition containing at least one metal element. The bonding region includes a bonding metal having a bonding metal composition containing at least one metal element. The bonding region is a region distinct from the carrier element and is a separate phase from the carrier element. An elemental weight percent difference is the absolute value of the difference in weight content of each element contained in the bonding metal composition relative to the infiltrant composition. The elemental weight percent difference between the bonding metal composition and the infiltrant composition does not exceed 20 weight percent.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: March 22, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Ignazio Gosamo, Sebastien Marcel Robert Douveneau
  • Patent number: 9278431
    Abstract: An abrasive article configured to grind a workpiece having a fracture toughness of less than about 6 MPa·m ½ includes a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of 1 to 45 microns.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: March 8, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Srinivasan Ramanath, Kenneth A. Saucier, Rachana Upadhyay, Cong Wang
  • Patent number: 9278429
    Abstract: An abrasive article includes a substrate comprising an elongated body, a tacking layer comprising tin overlying the substrate, and a first type of abrasive particle comprising an agglomerated particle overlying the tacking layer.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: March 8, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Paul W. Rehrig, Yinggang Tian, Arup K. Khaund, Srinivasan Ramanath, Mary J. Puzemis, John Pearlman
  • Patent number: 9278430
    Abstract: An abrasive article includes a base, an abrasive member comprising three distinct phases bonded to each other including abrasive particles, a metal matrix, and an infiltrant. The abrasive article further includes a backing region between the abrasive member and the base, wherein the backing region comprises a laser welded bond joint.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: March 8, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Marc L. Hoang, Ignazio Gosamo, André R. G. Heyen
  • Patent number: 9266220
    Abstract: An abrasive article including a bonded abrasive body having a bond material made of a vitrified material, abrasive particles comprising a first type of superabrasive material contained in the bond material, a porosity of at least about 50 vol % of the total volume of the bonded abrasive body, and a ?CTE of not greater than about 5.5 ppm/° C., wherein ?CTE is defined as a difference between a CTE of the bond material and a CTE of the abrasive particles.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: February 23, 2016
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Shivshankar Sivasubramanian, Srinivasan Ramanath, Ramanujam Vedantham, Rachana Upadhyay, Signo Reis
  • Patent number: 9266219
    Abstract: An abrasive article configured to grind a workpiece having a fracture toughness at least about 7 MPa·m0.5 includes a body comprising abrasive particles contained within a bond material comprising a metal, wherein the body comprises a ratio of VAG/VBM of at least about 1.3, wherein VAG is a volume percent of abrasive particles within a total volume of the body and VBM is a volume percent of bond material within the total volume of the body, and wherein the abrasive particles have an average particle size of 40 to 60 microns.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: February 23, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Srinivasan Ramanath, Kenneth A. Saucier, Rachana Upadhyay, Cong Wang
  • Patent number: 9266221
    Abstract: An abrasive article includes a support, a first polymeric binder, a second polymeric binder, and abrasive particles. The support includes a plurality of nonwoven layers. A method of forming an abrasive article includes providing a support including, applying a first coating of the first polymeric binder to the support, applying superabrasive particles to the coated support, applying a layer of a second polymeric binder overlying the superabrasive particles. The method further includes compressing the support and applying heat to cure the first polymeric binder. A method of preparing a work piece includes applying a thermal spray coating to the work piece, and polishing the thermal spray coating with the abrasive article.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: February 23, 2016
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Shyiguei Hsu, Alejandro Gomez, Fabio de A. Pinto, John E. Stockton