Patents Assigned to Saint-Gobain Abrasifs
  • Patent number: 11504823
    Abstract: Articles and methods regarding the making and use of low-shedding nonwoven abrasive articles, such as abrasive wheels and hand pads, that have a low shed rate and achieve a high grind ratio. The abrasive articles comprise a blend of a plurality of primary abrasive particles and a plurality of reinforcing abrasive particles that is disposed on a nonwoven web substrate. The primary abrasive particles have an average particle size equal to or larger than the average fiber diameter of the substrate fibers, and the reinforcing abrasive particles have an average particle size smaller than the average fiber diameter.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: November 22, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Hooman Amid, Shyiguei Hsu, Fernando J. Ramirez, Karen Judith Sandoval Herrera, Ying Cai
  • Patent number: 11478898
    Abstract: An abrasive article can include an abrasive component including a body. The body can include a bond matrix and abrasive particles contained in the bond matrix. In an embodiment, the body can include an interconnected phase extending through at least a portion of the bond matrix. The body can include a discontinuous phase including a plurality of discrete members. At least one of the discrete member can include a macroscopic pore. In another embodiment, the body can include a porosity of at least 15 vol % for a total volume of the body.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: October 25, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Ji Xiao, Aiyun Luo, Gwenaëlle Ringenbach, Ignazio Gosamo, Lise Lauvergeon
  • Patent number: 11472989
    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: December 19, 2018
    Date of Patent: October 18, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Celine Colet, Kuo Gao, Srikanth Rapaka, Joseph R. Rich, Katherine M. Sahlin, Nilanjan Sarangi, Andrew B. Schoch
  • Patent number: 11338411
    Abstract: An abrasive article can include a body including a bond material and abrasive particles contained within the bond material. The bond material can include an organic material including a resin, particularly a phenolic resin. A methylene bridge can be present at para or ortho sites of aromatic phenolic rings. The bond material can include an average ortho to para substituent ratio for the methylene bridge within a range including at least 1.5:1 and not greater than 9:1, particularly, within a range including at least 3 and not greater than 6.9.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 24, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventor: Zehua Shi
  • Patent number: 11298791
    Abstract: A method of removing material from a workpiece includes moving a coated abrasive over a receiving surface of a platen, the receiving surface having at least one opening configured for the flow of an ejection material therethrough, moving the platen and workpiece relative to each other to contact the coated abrasive to the workpiece and removing material from the workpiece, and controlling a flow pressure for the ejection material through the at least one opening during removing material from the workpiece, where the flow pressure of the ejection material can be adjusted based on at least one of the operation parameters such as a translation rate of the coated abrasive over the receiving surface, the weight of the coated abrasive, a material removal rate, a coefficient of friction between the coated abrasive and the platen, or a combination thereof.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: April 12, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: John S. Hagan, Robert J. McNamee, Tony Landes, Brian Rutkiewicz, William Lang, Mike D. Shappell
  • Patent number: 11292102
    Abstract: The present disclosure relates to abrasive buffing articles (“abrasive buffs”) and methods of making the same. The abrasive buffs include a substrate, such as a fabric, that has been impregnated with an abrasive polymeric composition that includes abrasive particles, such as primary abrasive particles and/or abrasive aggregates, such as spray dried abrasive aggregates. The abrasive buffs are flexible and capable of conforming to and effectively abrading, polishing, and buffing workpieces possessing a complex geometry.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: April 5, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Jianna Wang, Ying Cai, Mike D. Shappell, Shu Yang, Brahmanandam V. Tanikella
  • Patent number: 11279388
    Abstract: A system that can include a cart and multiple mounting assemblies, with each one of the multiple mounting assemblies configured to be interchangeably attached to the cart, and with each one of the multiple mounting assemblies configured to receive one of multiple portable tools and secure the one of the multiple portable tools to the cart. The one of the multiple portable tools is different than a second one of the multiple portable tools.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: March 22, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Gabriel A. Uriegas, Paul S. Edwards, Selim Ariturk
  • Patent number: 11260504
    Abstract: An abrasive article including a substrate; and an abrasive layer overlying the substrate, where the abrasive layer includes a blend of abrasive particles including a first type of abrasive particle comprising a polycrystalline material and having a first average friability F1, and a second type of abrasive particle comprising a polycrystalline material and having a second average friability, F2, where the blend comprises an average friability difference, ?F=|F1?F2|, within a range of at least 0.5% to not greater than 80%.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 1, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Darrell K. Everts, Doruk O. Yener
  • Patent number: 11235436
    Abstract: An abrasive article may include an organic bond material, abrasive particles contained within the organic bond material and a plasticizer contained within the organic bond material. The plasticizer may include at least one of an aromatic phenyl group, a heteroaromatic furyl group, or a saturated aliphatic hydrocarbon. The plasticizer may further include a polar group.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: February 1, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS, UNIVERSITY OF MASSACHUSETTS
    Inventors: Andrew B. Schoch, Alexander Nashed, Sena Ada Carleen, Dean S. Matsumoto, Anne M. Bonner, Shaw Ling Hsu, Jigneshkumar P. Patel, Subrajeet Deshmukh, Caixia Zhao
  • Patent number: 11230653
    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, including a placement angle ranging from +90 degrees to ?90 degrees and a rake angle ranging from +90 degrees to ?90 degrees.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 25, 2022
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Katherine M. Sahlin, Mark Hampden-Smith, Kristin Breder
  • Patent number: 11154964
    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: November 9, 2016
    Date of Patent: October 26, 2021
    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 G. Lafond, Sidath S. Wijesooriya, Adam D. Lior, Alan J. Brandes, Anil Parmar, Paul Braun, Darrell K. Everts
  • Patent number: 11148255
    Abstract: The present disclosure relates generally to coated abrasive articles that include a grinding aid aggregates in a make coat, a size coat, a supersize coat, or combinations thereof, as well as methods of making coated abrasive articles.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: October 19, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Jianna Wang, Shih-Chieh Kung, Sujatha K. Iyengar, Doruk O. Yener, Darrell K. Everts
  • Patent number: 11148254
    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: March 20, 2019
    Date of Patent: October 19, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Anthony C. Gaeta, Anuj Seth, Christopher Arcona, Doruk O. Yener, Jennifer H. Czerepinski, Sujatha K. Iyengar, Frank J. Csillag, William C. Rice, Satyalakshmi K. Ramesh, Gregory G. Lafond, Sidath S. Wijesooriya, Adam D. Lior, Alan J. Brandes, Anil Parmar, Paul Braun, Darrell K. Everts
  • Patent number: 11148256
    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: December 13, 2017
    Date of Patent: October 19, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Dashi Nie, Shenglan Huang, Gaoxiang Gou
  • Patent number: 11091678
    Abstract: A fixed abrasive article including a blend of abrasive particles having a first type of shaped abrasive particle comprising a first height (h1), a second type of shaped abrasive particle comprising a second height (h2) less than the first height, where the blend of abrasive particles includes a first content of the first type of shaped abrasive particles and a second content of the second type of shaped abrasive particle, and the first content is different as compared to the second content.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: August 17, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventor: Sujatha Iyengar
  • Patent number: 11059147
    Abstract: An abrasive article can include a substrate, abrasive particles coupled by a bond material to the substrate, and a coating overlying at least partially the exterior surface of the bond material. The coating can be a poly(p-xylylene) polymer applied via vapor deposition and may provide enhanced strength to the bond material and extended life time to the abrasive article.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: July 13, 2021
    Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFS
    Inventors: Cecile O. Mejean, Charles J. Gasdaska, Lucie Fraichard
  • Patent number: 11059148
    Abstract: An abrasive article can include a body including a plurality of portions including a first abrasive portion and a second abrasive portion. The first abrasive portion can include a vitreous bond material and abrasive particles contained within the bond material. The second abrasive particles can include an organic bond material and abrasive particles contained within the bond material. The body can have a burst speed of at least 65 m/s. In an embodiment, the abrasive article can include an interior portion coupled to the first and second abrasive portions. In another embodiment, the interior portion can optionally include abrasive particles or a filler material.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 13, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Amandine Martin, Joachim Schwarzkopf, Peter Janeczek, Flavy Bayard
  • Patent number: 11040360
    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: July 30, 2018
    Date of Patent: June 22, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Ronald L. Gerson, Pierre LaPointe, Robert A. Brunell
  • Patent number: 11027397
    Abstract: The present disclosure relates generally to coated abrasive articles that include a tribological performance enhancing composition in a make coat, a size coat, a supersize coat, or combinations thereof, as well as methods of making coated abrasive articles. The present disclosure also relates to coated abrasive articles including a supersize coating comprising a sulfide scavenging composition and/or a crosslinked zinc acrylic binder, as well as methods for making and using such abrasive articles. The present disclosure also relates generally to abrasive articles that include aggregates having an anti-wear composition or grinding aid disposed on or within the aggregates.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: June 8, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Charles G. Herbert, William C. Rice, Jianna Wang, Robin Barabasz, Shih-Chieh Kung
  • Patent number: 11001287
    Abstract: A cart system may include a mounting bracket removably attachable to a cart and configured to receive a portable tool. The mounting bracket can include retainers to engage a front portion of the portable tool, and a clamp assembly rotationally attached to the mounting bracket that can engage a rear portion of the portable tool when the clamp assembly is in a locked position, thereby securing the portable tool to the mounting bracket. A cart system may include a rotatable arm with a wheel on a first end and rotationally attached to a cart at a second end. A circular disk having a first pattern fixed to the arm and a moveable plate with a recess having a second pattern that mates with the first pattern, the plate being moveably attached to the cart. The disk can selectively engage the recess to selectively restrict rotation of the arm.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: May 11, 2021
    Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFS
    Inventors: Selim Ariturk, Paul S. Edwards