Patents Assigned to Saint-Gobain Abrasifs
  • Fixed abrasive articles and methods of forming same
    Patent number: 10196551
    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: February 5, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Celine Colet, Kuo Gao, Srikanth Rapaka, Joseph Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • Abrasive tool having a particular porosity variation
    Patent number: 10195717
    Abstract: An abrasive tool can have a body including an abrasive portion with abrasive grains contained within a matrix material. A first reinforcing member can be contained within the body. The body can also include a porosity variation difference through at least half of a thickness of the body of not greater than 250% from a mean porosity of the body.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: February 5, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, SAINT-GOBAIN ABRASIFS
    Inventors: Emmanuel C. Francois, Konstantin S. Zuyev, Muthu Jeevanantham, Anne M. Bonner, Michael W. Klett, Dean S. Matsumoto
  • Abrasive tools and methods for forming same
    Patent number: 10189146
    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: November 13, 2017
    Date of Patent: January 29, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nan Y. Pacella, Lawrence J. Lavallee, Jr., Michael K. Montgomery, Katherine M. Sahlin
  • Abrasive tools and methods for forming same
    Patent number: 10189145
    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 polymer including a biaxially-oriented material. In an embodiment, the barrier layer may include a polymer-containing film as an exterior surface of the abrasive tool. 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, 2016
    Date of Patent: January 29, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Nan Y. Pacella, Lawrence J. Lavallee, Jr., Michael K. Montgomery, Katherine M. Sahlin, Alicia M. Castagna
  • Abrasive particles having particular shapes and methods of forming such particles
    Patent number: 10179391
    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: September 9, 2016
    Date of Patent: January 15, 2019
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Anuj Seth, Darrell K. Everts, Vivek Cheruvari Kottieth Raman
  • Abrasive article and method of forming
    Patent number: 10137514
    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: December 13, 2017
    Date of Patent: November 27, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Yinggang Tian, John J. Pearlman, Maureen A. Brosnan, Arup K. Khaund
  • Abrasive article and method of forming
    Patent number: 10105821
    Abstract: A bonded abrasive article suitable for processing hard materials such as sapphire. In an embodiment, an abrasive article includes a bonded abrasive body including a bond material comprising a metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and a pore size standard deviation of not greater than about 16 ?m. An abrasive article can also include a bonded abrasive body having a bond material comprising metal, abrasive particles contained within the bond material having an average particle size of not greater than about 20 ?m, and an average pore size of not greater than about 110 ?m.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: October 23, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, Srinivasan Ramanath, Ramanujam Vedantham, John M. Gulcius, Rachana Upadhyay
  • Coated abrasives having a supersize layer including an active filler
    Patent number: 10086498
    Abstract: The present invention relates generally to coated abrasive articles that include active filler particles in a supersize coat, a make coat, or combinations thereof, as well as methods of making and using said coated abrasive articles.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: October 2, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventor: Julienne C. Regele
  • Abrasive article and method of use
    Patent number: 10086499
    Abstract: An abrasive article includes a body having an annular surface including abrasive segments coupled to the annular surface, and the abrasive segments define an abrasive annular region and a percent abrasive surface area of not greater than 24% for the total surface area of the abrasive annular region.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 2, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, Srinivasan Ramanath, Ramanujam Vedantham, Kelley McNeal
  • Abrasive article having a non-uniform distribution of openings
    Patent number: 10076820
    Abstract: An abrasive article having a plurality of apertures arranged in a non-uniform distribution pattern, wherein the pattern is spiral or phyllotactic, and in particular those patterns described by the Vogel equation. Also, provided is a back-up pad having a spiral or phyllotactic patterns of air flow paths, such as in the form of open channels. The back-up pad can be specifically adapted to correspond with an abrasive article having a non-uniform distribution pattern. Alternatively, the back-up pad can be used in conjunction with conventional perforated coated abrasives. The abrasive articles having a non-uniform distribution pattern of apertures and the back-up pads can be used together as an abrasive system.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: September 18, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Anuj Seth, Julie M. Dinh-Ngoc, Vivek Cheruvari Kottieth Raman, Paul A. Krupa, James M. Garrah
  • Abrasive article having abrasive segments with shaped gullet walls
    Patent number: 10046437
    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: January 4, 2016
    Date of Patent: August 14, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventor: Marc Linh Hoang
  • Liquid supply assembly
    Patent number: 10035156
    Abstract: A connector system for a liquid container system for a spray gun includes a lid that includes a liquid outlet and an adapter. The adapter includes a spray gun end and a lid end. The ends are connected with a liquid-tight passageway. Further, the spray gun end is adapted for releasable engagement with a liquid inlet port of the spray gun and the lid end is adapted for releasable engagement with the liquid outlet. The connector system also includes a plurality of interlocking tab assemblies for releasably attaching the adapter to the lid. Each assembly includes a first tab and a second tab, wherein an end of the first tab is adapted to secure the adapter to the lid when the first tab and the second tab are interlocked.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: July 31, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Ronald L Gerson, Pierre LaPointe, Robert A Brunell
  • Nonwoven abrasive article with extended life
    Patent number: 10022841
    Abstract: Abrasive articles including a non-woven web of staple fibers that form a single layer that is free of any additional layers of non-woven webs of staple fibers. The abrasive articles contain abrasive particles bound to the non-woven web. The abrasive articles can be compressed abrasive articles that include a non-woven web of staple fibers, including blends of staple fibers having a first portion of fibers having a first linear density and a second portion of fibers having a second linear density.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: July 17, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Shyiguei Hsu, Alejandro Gomez, Godofredo Vela
  • Coolant delivery system for grinding applications
    Patent number: 9999960
    Abstract: A system for removing material from a workpiece comprising: a mounted-point grinding tool configured to move from a first position to a second position traversing at least a portion of a slot in a workpiece and removing material from a surface of the workpiece; and a first nozzle configured to deliver coolant to the mounted-point grinding tool, wherein the first nozzle is configured to move with the mounted point grinding tool from the first position to the second position so that the distance between the first nozzle and the mounted-point grinding tool remains substantially unchanged. A second nozzle can be mounted on the opposite side of tool from first nozzle, with the second nozzle also configured to move with the grinding tool so that the distance between the first nozzle and the mounted-point grinding tool remains substantially unchanged during grinding.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: June 19, 2018
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Bruce A. Roberge, Jr., John S. Hagan, David C. Graham
  • 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
  • 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 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
  • 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
  • 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
  • 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