Patents Assigned to Saint-Gobain Abrasifs
  • Abrasive articles and methods for forming same
    Patent number: 9982175
    Abstract: An abrasive article can include a body including a bond material and abrasive particles contained within the bond material. The abrasive particles can include nanocrystalline alumina. The bond material can include an inorganic material including a ceramic.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: May 29, 2018
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Nilanjan Sarangi, Yang Zhong, Sandhya Jayaraman Rukmani, Ralph Bauer, Stefan Vujcic
  • Abrasive article and method of making same
    Patent number: 9937604
    Abstract: An abrasive article has an abrasive portion with a bond and abrasive particles. A core is mounted to the abrasive portion. The core may include a plurality of segments that are interconnected to form the core. The abrasive article may include forming a plurality of core segments; assembling the core segments into a core; and then mounting the core to the abrasive portion to form the abrasive article. Forming an abrasive article may include mixing a phenolic resin, fillers and abrasive particles to form an abrasive matrix; injecting the abrasive matrix directly into a mold, such that the abrasive matrix is injection molded into a final wheel geometry; at least partially curing the abrasive matrix while it is inside the mold; and then removing the abrasive article from the mold.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: April 10, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Boris L. Serebrennikov, Michael W. Klett
  • Fixed abrasive articles and methods of forming same
    Patent number: 9938440
    Abstract: A fixed abrasive article having a body including abrasive particles contained within a bond material, the abrasive particles including shaped abrasive particles or elongated abrasive particles having an aspect ratio of length:width of at least 1.1:1, each of the shaped abrasive particles or elongated abrasive particles having a predetermined position or a predetermined three-axis orientation.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 10, 2018
    Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFS
    Inventors: Adam P. Bujnowski, Kelley McNeal, Nan Y. Pacella, Srikanth Rapaka, Joseph Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • Abrasive products and methods for finishing hard surfaces
    Patent number: 9931733
    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: August 19, 2015
    Date of Patent: April 3, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: James J. Manning, Mark E. Sternberg, Jianna Wang
  • Compressed polymer impregnated backing material abrasive articles incorporating same, and processes of making and using
    Patent number: 9931731
    Abstract: This invention relates to compressed composite backing materials (e.g., compressed polymer impregnated backing substrates) and coated abrasive articles that include such compressed composite backing materials. This invention also relates to methods of making and using said compressed composite backing materials and coated abrasive articles. The claimed processes and systems related to the use and manufacturing of coated abrasive articles are improved and cost effective.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: April 3, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Muthukrishnan Sharmila, Adiseshaiah K. Sathyanarayanaiah, VelliamKattupudur Samiappan Naveen, Harish Gautham, Shyam Prasad Komath
  • Nonwoven antimicrobial scrub pad
    Patent number: 9930884
    Abstract: An abrasive article comprising a nonwoven substrate material impregnated with a first and second formulation. The first and second formulations have broad spectrum antimicrobial effectiveness against one or more microbial organisms. The first and second formulations include the same or different polymer compositions, which include one or more antimicrobial agents and abrasive particles uniformly dispersed in the polymer compositions.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: April 3, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Soumyajit Basu, Kottotil Mohan Das, Rishwanth Sathyamurthy, Anindya Agasty, Abhay Jain
  • Aggregates of diamond with vitrified bond
    Patent number: 9926477
    Abstract: The present disclosure relates to abrasive aggregates comprised of abrasive particles in a vitreous binder composition, and methods of making and using such abrasive aggregates, including in abrasive articles. The abrasive aggregates can include modifier particles. The abrasive aggregates can include a layer of outer particles on at least a portion of the outer surface of the abrasive aggregate.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: March 27, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Jianna Wang, Timothy E. Scoville
  • Abrasive disc
    Patent number: 9914199
    Abstract: An abrasive article including a disc including a central axis; a primary outer edge substantially coaxial with the central axis and having a circumferential length, L1; a secondary outer edge substantially coaxial with the central axis and coplanar with the primary outer edge, the secondary outer edge having a circumferential length, L2, wherein L2 is less than L1; and a structurally weakened portion extending substantially adjacent to the secondary outer edge. In an embodiment, the abrasive article further includes a shedable portion configured to rupture the structurally weakened portion when the shedable portion is removed from the abrasive disc. In another aspect, an abrasive article having an initial outer circumferential length, LI, and a length of deliberately exposable circumferential edge surface, LOE, wherein LOE is greater than LI.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: March 13, 2018
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Godofredo Vela, Brian J. Wahl
  • Abrasive assembly having alignment elements
    Patent number: 9914197
    Abstract: An abrasive assembly including a back-up pad having a central axis, an engagement component, and an alignment element; and an abrasive disc having a central axis, the abrasive disc engaged with the back-up pad, the abrasive disc including an alignment element; wherein the alignment element of the back-up pad aligns with the alignment element of the abrasive disc, wherein the engagement component of the back-up pad engages with the abrasive disc, and wherein the back-up pad and the abrasive disc have a concentricity tolerance, C, as measured between the central axis of the back-up pad and the central axis of the abrasive disc, of no greater than about 0.1.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: March 13, 2018
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Godofredo Vela, Brian J. Wahl
  • Abrasive article including agglomerates having silicon carbide and an inorganic bond material
    Patent number: 9908217
    Abstract: An abrasive article including a body including a bond material having an inorganic material including a ceramic, abrasive agglomerates including silicon carbide contained within the bond material, and a permeability of at least 60.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 6, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nilanjan Sarangi, Sandhya Jayaraman Rukmani, Stephen E. Fox, Russell L. Krause
  • Method of using an abrasive article including shaped abrasive particles
    Patent number: 9902045
    Abstract: A method of removing material from one or more workpieces including moving a coated abrasive article having a plurality of shaped abrasive particles relative to a surface of the one or more workpieces at high material removal rates.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: February 27, 2018
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Kristin Breder, Sujatha Iyengar, Christopher Arcona
  • Abrasive article and method of forming
    Patent number: 9902044
    Abstract: An abrasive article includes a substrate comprising an elongated body, a first type of abrasive particle overlying the substrate, a bonding layer overlying the first type of abrasive particle, and a lubricious material overlying or integrated within the bonding layer.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: February 27, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Mary J. Puzemis, Yinggang Tian, Paul W. Rehrig, Arup K. Khaund, John Pearlman
  • Abrasive article and method of forming
    Patent number: 9878382
    Abstract: An abrasive article includes a substrate having an elongated body, a plurality of discrete tacking regions defining a discontinuous distribution of features overlying the substrate, where at least one discrete tacking region of the plurality of discrete tacking regions includes a metal material having a melting temperature not greater than 450° C., a plurality of discrete formations overlying the substrate and spaced apart from the plurality of discrete tacking regions, and a bonding layer overlying the substrate, plurality of discrete tacking regions, and plurality of discrete formations.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: January 30, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Yinggang Tian, John J. Pearlman, Maureen A. Brosnan, Arup K. Khaund
  • Abrasive wheels and methods for making and using same
    Patent number: 9873182
    Abstract: A grinding tool includes a body having a first layer. The first layer can include bond material that is at least about 20 vol % of a total volume of the first layer. Additionally, the first layer can include abrasive particles contained within the bond material. In an embodiment, the abrasive particles include a first type of abrasive particle including black alumina with at least about 10 vol % of a total volume of the abrasive particles including black alumina. In some instances, the grinding tool can include a second layer that includes black alumina.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: January 23, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Dashi Nie, Shenglan Huang, Gaoxiang Gou
  • Abrasive wheels and methods for making and using same
    Patent number: 9873184
    Abstract: A cutting wheel includes a body having a bond material. The bond material comprises at least about 31 vol % of a total volume of the body. Additionally, the body includes abrasive particles contained within the bond material. The abrasive particles include a first type of abrasive particle including black alumina with at least about 10 vol % of a total volume of the abrasive particles including black alumina. In some instances the cutting wheel can include a chop saw, while in other situations, the cutting wheel can include a cut-off wheel.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: January 23, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Dashi Nie, Shenglan Huang, Gaoxiang Gou
  • Abrasive articles including abrasive particles bonded to an elongated body
    Patent number: 9862041
    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: June 10, 2015
    Date of Patent: January 9, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Susanne Liebelt, Vincent Tesi, Theodor Von Bennigsen-Mackiewicz
  • Abrasive article
    Patent number: 9855639
    Abstract: An abrasive article has an abrasive portion with an organic bond and abrasive particles. The abrasive article has a non-abrasive portion (NAP) mounted to the abrasive portion. The NAP includes molding compound (MC) having chopped strand fibers (CSF). The CSF can be coated with a thermoplastic coating having a loss on ignition (LOI) of at least about 2.4 wt %, and the NAP having no abrasive particles. The NAP can include an MC having no abrasive particles with a MOHS scale hardness of at least about 9. The NAP may include CSF coated with a primary coating and a secondary coating on the primary coating. The NAP may have an outer diameter that is at least half of but not greater than an outer diameter of the abrasive article.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: January 2, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Michael W. Klett, Frank J. Csillag, Tyler B. Cichowlas, Davinder S. Dhami, Lawrence J. Lavallee, Jr.
  • Abrasive tools and methods for forming same
    Patent number: 9844853
    Abstract: An abrasive tool can include a bonded abrasive including a body and a barrier layer bonded to a major surface of the body. The body can include abrasive particles contained within a bond material. The barrier material can include a metal-containing film. In an embodiment, the barrier layer may further include a polymer-containing film. In another embodiment, the barrier layer may include a biaxially oriented material. The abrasive tool may be formed such that the barrier layer is formed in-situ with the formation of the bonded abrasive.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: December 19, 2017
    Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFS
    Inventors: Nan Y. Pacella, Lawrence J. Lavallee, Jr., Michael K. Montgomery, Katherine M. Sahlin
  • Smear-free nonwoven composite abrasives
    Patent number: 9840648
    Abstract: A surface-treating article includes an organic matrix substantially engulfed by a binder that includes a reaction product of a blocked polyurethane prepolymer and a mixture of aromatic amines. The aromatic amines include polymethylene polyaniline having a functionality equal to or greater than 4.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: December 12, 2017
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Shyiguei Hsu, Alejandro Gomez, Charles G. Herbert
  • Floor sanding sponge pads
    Patent number: D812112
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: March 6, 2018
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventor: David Mansfield