Patents Assigned to Saint-Gobain Abrasifs
-
Patent number: 9744647Abstract: An abrasive article has an abrasive body with an axis and an axial thickness AT of not greater than about 10 mm. The abrasive body may include an abrasive matrix comprising an organic bond and abrasive particles, as well as a reinforcement of discontinuous fibers.Type: GrantFiled: June 27, 2014Date of Patent: August 29, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Xiangbin Yu, Dan Zheng, Gang Wang, Dashi Nie
-
Patent number: 9724805Abstract: An abrasive article includes abrasive particles contained within a hybrid bond that may include a metal bond material and an organic bond material, the article having an average thickness of 250 microns or less and the metal bond material including a solid solution phase and an intermetallic phase distinct from the solid solution phase.Type: GrantFiled: June 27, 2014Date of Patent: August 8, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Srinivasan Ramanath, Rachana Upadhyay, Robert F. Corcoran, Jr., Cong Wang
-
Patent number: 9700993Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.Type: GrantFiled: September 2, 2015Date of Patent: July 11, 2017Assignee: SAINT-GOBAIN ABRASIVES, INC. & SAINT-GOBAIN ABRASIFSInventor: Ignazio Gosamo
-
Patent number: 9687962Abstract: 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: GrantFiled: December 30, 2015Date of Patent: June 27, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Yinggang Tian, Paul W. Rehrig, Arup K. Khaund, Avanti M. Jain, Wei Che, Susanne Liebelt, Vincent Tesi
-
Patent number: 9676077Abstract: 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: GrantFiled: December 30, 2015Date of Patent: June 13, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Srinivasan Ramanath, Kenneth A. Saucier, Rachana Upadhyay
-
Patent number: 9662768Abstract: A coated abrasive article including a body having a backing including a spunlace polyester-based material and a saturant contained in the spunlace polyester-based material, the saturant including a material selected from the group of phenolic resin, acrylic, urea resin, and a combination thereof, and an abrasive layer overlying the backing including abrasive particles.Type: GrantFiled: December 5, 2014Date of Patent: May 30, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Muthukrishnan Sharmila, Adiseshaiah K. Sathyanarayanaiah, Srirangapattana Narasimhaiah Srihari, Sérgio Andrade De Melo, André Volpiani
-
Patent number: 9656366Abstract: 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: GrantFiled: December 31, 2012Date of Patent: May 23, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Anuj Seth, Julie M. Dinh-Ngoc, Vivek Cheruvari Kottieth Raman, Paul A. Krupa, James M. Garrah
-
Patent number: 9623541Abstract: This invention relates to abrasive flap wheel that include hybrid fabrics. This invention also relates to methods of making and using said abrasive flap wheels. The claimed processes and systems related to the use and manufacturing of abrasive flaps are improved and cost effective.Type: GrantFiled: December 22, 2015Date of Patent: April 18, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Srirangapattana Narasimhaiah Srihari, Selvaraj Prabu, Abdul Habid Pullichola, Kottotil Mohan Das
-
Patent number: 9586220Abstract: A paint cup assembly for a paint sprayer is disclosed and can include a paint reservoir assembly. The paint reservoir assembly can include a paint reservoir and a cap configured to engage the paint reservoir. The paint reservoir assembly further includes a structural element for engaging a paint spray gun to form a tactile feedback mechanism. The tactile feedback mechanism can provide a tactile indication to a user as the paint reservoir assembly is engaged with the paint spray gun.Type: GrantFiled: June 28, 2012Date of Patent: March 7, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Biagio P. Pellegrino, Clemens E. Zoellner, Thomas R. Nixon
-
Patent number: 9586307Abstract: A composition that can be used for abrasive processing is disclosed. The composition includes an organic bond material, an abrasive material dispersed in the organic bond material, and a plurality of microfibers uniformly dispersed in the organic bond material. The microfibers are individual filaments having an average length of less than about 1000 ?m. Abrasive articles made with the composition exhibit improved strength and impact resistance relative to non-reinforced abrasive tools, and improved wheel wear rate and G-ratio relative to conventional reinforced tools. Active fillers that interact with microfibers may be used to further abrasive process benefits.Type: GrantFiled: August 6, 2014Date of Patent: March 7, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Michael W. Klett, Karen Conley, Steven F. Parsons, Han Zhang, Arup K. Khaund
-
Patent number: 9572471Abstract: 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: GrantFiled: August 12, 2015Date of Patent: February 21, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Soumyajit Basu, Kottotil Mohan Das, Rishwanth Sathyamurthy, Anindya Agasty, Abhay Jain
-
Patent number: 9566689Abstract: 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: GrantFiled: December 22, 2014Date of Patent: February 14, 2017Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventor: Sujatha Iyengar
-
Patent number: 9539701Abstract: An abrasive article includes 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 strength ratio (MOR/MOE) of at least about 0.80. Additionally, the bonded abrasive body may have a MOR of at least 40 MPa for a MOE or at least about 40 GPa and the bonded abrasive body may be capable of grinding a workpiece that includes 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: GrantFiled: March 30, 2012Date of Patent: January 10, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Nilanjan Sarangi, Renaud Fix, Stephen Woods, Jim M. Gaffney, John Campaniello, John R. Besse, Stephen E. Fox
-
Patent number: 9533397Abstract: 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: GrantFiled: June 28, 2013Date of Patent: January 3, 2017Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Paul W. Rehrig, Yinggang Tian, Wei Che, Arup K. Khaund, Thomas Puthanangady, Christopher Arcona, Srinivasan Ramanath
-
Patent number: 9486896Abstract: 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: GrantFiled: June 25, 2013Date of Patent: November 8, 2016Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventor: Han Zhang
-
Patent number: 9457453Abstract: 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: GrantFiled: March 31, 2014Date of Patent: October 4, 2016Assignee: SAINT-GOBAIN ABRASIVES, INC./SAINT-GOBAIN ABRASIFSInventors: Anuj Seth, Darrell K. Everts, Vivek Cheruvari Kottieth Raman
-
Patent number: 9440332Abstract: 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: GrantFiled: October 15, 2013Date of Patent: September 13, 2016Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: 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: 9434051Abstract: 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: GrantFiled: December 12, 2014Date of Patent: September 6, 2016Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventors: 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: 9427846Abstract: 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: GrantFiled: August 22, 2014Date of Patent: August 30, 2016Assignees: SAINT-GOBAIN ABRASIVES, INC., SAINT-GOBAIN ABRASIFSInventors: Satoshi Aoki, Hiromi Shiraishi
-
Patent number: 9409279Abstract: 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: GrantFiled: August 21, 2013Date of Patent: August 9, 2016Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventors: Konstantin S. Zuyev, Walter Strandgaard, Joel A. Fife, Muthu Jeevanantham