| SAINT-GOBAIN ABRASIFS Patent applications |
| Patent application number | Title | Published |
|---|
| 20120132550 | LIQUID CONTAINER SYSTEM FOR A SPRAY GUN - A liquid container assembly for a spray gun can include a ring, a collapsible liner, and a lid for closing the open end of the liner. The ring can include a peripheral flange, a ring recess, an inner wall, and at least one rib segment extending from the inner wall. The collapsible liner can include a liner side wall formed with an open end and a liner lip at the open end. The liner can be is insertable through the ring such that the liner lip is received and supported by the ring recess. Further, the liner can be collapsible during use as liquid is removed from the liner. The lid can include at least one tab that can extend from an outer circumference of the lid. The tabs can engage the rib segments to threadably attach to the ring. | 05-31-2012 |
| 20120122377 | Abrasive Tool with Flat and Consistent Surface Topography for Conditioning a CMP Pad and Method for Making - An abrasive tool with flat and consistent surface topography for conditioning a CMP pad and method for making are disclosed. The abrasive tool includes abrasive grains coupled to a low coefficient of thermal expansion (CTE) substrate through a metal bond. There is an overall CTE mismatch that ranges from about 0.1 μm/m-° C. to about 5.0 μm/m-° C. The overall CTE mismatch is the difference between the CTE mismatch of the abrasive grains and the metal bond and the CTE mismatch of the low CTE substrate and the metal bond. | 05-17-2012 |
| 20120115402 | CHEMICAL MECHANICAL PLANARIZATION PAD CONDITIONER AND METHODS OF FORMING THEREOF - A CMP pad conditioner is provided that includes a substrate having a surface and three dimensional structures protruding relative to the surface of the substrate. The three dimensional structures include CVD carbon-containing material selected from the group consisting of carbon nanotubes and diamond, and may be arranged in a ordered array or desired pattern. The CMP pad conditioner also includes a bonding layer overlying the three dimensional structures and the surface of the substrate. The condition may include a reinforcing layer disposed within gaps between the three dimensional structures. Techniques for manufacture and use are also disclosed. | 05-10-2012 |
| 20120100784 | Microfiber Reinforcement for Abrasive Tools - An abrasive article includes an organic bond material, an abrasive material dispersed in the organic bond material, mineral wool microfibers uniformly dispersed in the organic bond material, the mineral wool microfibers being individual filaments, one or more reinforcement and/or chopped strand fibers dispersed in the organic bond material and one or more active fillers including, for example, a manganese compound. The abrasive article can be used in the abrasive processing of a workpiece. | 04-26-2012 |
| 20120094579 | Coated Abrasive Products Containing Aggregates - A coated abrasive product includes a particulate material containing 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. Free abrasive products, bonded abrasive products, and the particulate material also contain aggregates. | 04-19-2012 |
| 20120088443 | Nonwoven Composite Abrasive Comprising Diamond Abrasive Particles - 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. | 04-12-2012 |
| 20120085763 | Liquid Supply Assembly - 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. | 04-12-2012 |
| 20120071071 | ABRASIVE IMPREGNATED BRUSH - An abrasive brush includes a securing element and a plurality of abrasive filaments secured to the securing element to form a brush. Each abrasive filament includes a matrix of thermoplastic polymer and a plurality of alumina abrasive particles interspersed throughout at least a portion of the matrix. The abrasive particles comprising a polycrystalline alpha alumina having a fine crystalline microstructure characterized by an alpha alumina average domain size not greater than 500 nm. The alumina abrasive particles further include a pinning agent comprising a dispersed phase in the polycrystalline alpha alumina. | 03-22-2012 |
| 20120066982 | BONDED ABRASIVE ARTICLES, METHOD OF FORMING SUCH ARTICLES, AND GRINDING PERFORMANCE OF SUCH ARTICLES - An abrasive tool having a bonded abrasive body including abrasive grains contained within a bond material comprising a metal. During a grinding operation, the bonded abrasive body has a power variance [(Po−Pn)/Po]×100% of not greater than about 40%, wherein Po represents the grinding power to grind a workpiece with the bonded abrasive body at an initial grinding cycle and Pn represents the grinding power to grind the workpiece for a nth grinding cycle, wherein n>4. | 03-22-2012 |
| 20120066980 | Hydrophilic and Hydrophobic Silane Surface Modification of Abrasive Grains - A surface-modified abrasive grain includes an abrasive grain as a substrate, and a film on the abrasive grain that includes a relatively hydrophilic silane component and a relatively hydrophobic silane component. The film can be a single film layer or multiple film layers, wherein a film layer most proximal to the abrasive grain has a predominately hydrophilic silane component, and a film layer more distal to the abrasive grain includes predominately a relatively hydrophobic silane component. Coated abrasive products and bonded abrasive products include the surface-modified abrasive grains. | 03-22-2012 |
| 20120060426 | Conditioning Tools and Techniques for Chemical Mechanical Planarization - Tools for conditioning chemical mechanical planarization (CMP) pads comprise a substrate with abrasive particles coupled to at least one surface. The tools can have various particle and bond configurations. For instance, abrasive particles may be bonded (e.g., brazed or other metal bond technique) to one side, or to front and back sides. Alternatively, abrasive particles are bonded to a front side, and filler particles coupled to a back side. The abrasive particles can form a pattern (e.g., hexagonal) and have particle sizes that are sufficiently small to penetrate pores of a CMP pad during conditioning, leading to fewer defects on wafers polished with the conditioned CMP pad. Grain bonding can be accomplished using brazing films, although other metal bonds may be used as well. Also, balanced bond material (e.g., braze on both sides) allows for low out-of-flatness value. | 03-15-2012 |
| 20120055098 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - 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 V | 03-08-2012 |
| 20120055096 | NON-ABRASIVE BACK COAT FOR COATED ABRASIVES - An abrasive article includes a backing including first and second major surfaces, an abrasive layer disposed over the first major surface, and a back coat layer disposed over the second major surface. The back coat layer includes a polymeric material and a fabric. | 03-08-2012 |
| 20120040589 | METHODS OF GRINDING WORKPIECES COMPRISING SUPERABRASIVE MATERIALS - A method of grinding a superabrasive workpiece includes placing a bonded abrasive article in contact with a superabrasive workpiece, wherein the bonded abrasive article comprises a body including abrasive grains contained within a bond material, and the superabrasive workpiece has an average Vickers hardness of at least about 1 GPa, and removing material from the superabrasive workpiece at an average specific grinding energy (SGE) of not greater than about 350 J/mm | 02-16-2012 |
| 20120036789 | Abrasive Article for Use in Grinding of Superabrasive Workpieces - An abrasive article including a bonded abrasive having a body formed of abrasive grains contained within a bond material, wherein the body grinds a superabrasive workpiece having an average Vickers hardness of at least about 5 GPa at an average specific grinding energy (SGE) of not greater than about 350 J/mm | 02-16-2012 |
| 20120034847 | ABRASIVE TOOL AND A METHOD FOR FINISHING COMPLEX SHAPES IN WORKPIECES - An abrasive tool includes a bonded abrasive body having abrasive grains contained within a bonding material, wherein the bonded abrasive body comprises a complex shape having a form depth (FD) of at least about 0.3. The form depth is described by the equation [(Rl−Rs)/Rl], wherein Rs is a smallest radius (Rs) at a point along the longitudinal axis of the bonded abrasive body and Rl is a largest radius (Rl) at a point along the longitudinal axis of the bonded abrasive body. The abrasive tool can be used to finish complex shapes in workpieces. | 02-09-2012 |
| 20120009850 | SMEAR-FREE NONWOVEN COMPOSITE ABRASIVES - 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. | 01-12-2012 |
| 20110232198 | BACKINGLESS ABRASIVE ARTICLE - An abrasive article includes an abrasive layer having an array of protrusions. The abrasive layer has a thickness not greater than about 500 mils. The abrasive article is free of a backing layer. | 09-29-2011 |
| 20110192410 | NAIL CARE SYSTEM - A nail care system for buffing and polishing fingernails and toenails is disclosed. The system includes a nail care strip that includes a layer of a liquid silicone resin formulation and abrasive grains. | 08-11-2011 |
| 20110186453 | METHOD OF CLEANING A HOUSEHOLD SURFACE - A method of cleaning a household kitchen or bath solid surface includes placing a cleaning article on the solid surface that includes a foreign matter. The method further includes abrading the solid surface with the cleaning article to remove the foreign matter. The cleaning article includes a layer of a liquid silicone rubber formulation and abrasive grains. | 08-04-2011 |
| 20110165826 | ABRASIVE ARTICLE INCORPORATING AN INFILTRATED ABRASIVE SEGMENT - 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. | 07-07-2011 |
| 20110165364 | ANTI-LOADING ABRASIVE ARTICLE - A coated abrasive article includes a backing having a surface, a plurality of abrasive regions overlying the surface in each of the first and second portions, and at least one macro-channel. The surface of the backing has a shape defined by an outer contour. A bisecting axis divides the shape into first and second portions. Each abrasive region includes a binder and a plurality of abrasive grains in contact with the binder. The abrasive grains have an average grain size of not greater than about 200 microns. The at least one macro-channel defines a passageway extending between a pair of adjacent abrasive regions and terminating at openings at the outer contour within each of the first and second portions. The macro-channel has an average channel width of between about 0.1 millimeters to about 5 millimeters and is substantially free of the binder and the abrasive grains. | 07-07-2011 |
| 20110162287 | DURABLE COATED ABRASIVE ARTICLE - An abrasive article comprising abrasive grains bonded with a binder comprising a matrix polymer and an amphiphilic block copolymer dispersed in the matrix polymer. The abrasive article can be a coated abrasive article, such as an engineered abrasive article, including a backing. The binder can bind the abrasive grains to the backing. | 07-07-2011 |
| 20110162286 | COATED ABRASIVE BACKINGS WITH CLOTH TREATED WITH COLLOIDAL SILICON OXIDE - A cloth backing for an abrasive article is treated by combining a phenolic resin, a latex and a colloidal silicon oxide composition to prepare a colloidal formulation, which is then applied to the cloth backing and cured. Coated abrasive articles are formed by applying a make coat formulation to the treated cloth backing, applying an abrasive and then curing the make coat formulation. | 07-07-2011 |
| 20110159794 | ABRASIVE ARTICLE WITH OPEN STRUCTURE - An abrasive article includes a fabric comprising a front face and a back face. The front face is formed of first knitted yarns. Each yarn of the first knitted yarns includes a plurality of filaments. A plurality of threads intertwines with the first knitted yarns and extending between the front face and the back face. The plurality of threads defines a hollow space between the front face and the back face. The abrasive article also includes abrasive grains adhered to the front face of the fabric. | 06-30-2011 |
| 20110155593 | PACKAGED ABRASIVE ARTICLES AND METHODS FOR MAKING SAME - An article includes a packaging material comprising a self-supporting wall having a water vapor transfer rate of not greater than 0.001 g/m | 06-30-2011 |
| 20110143641 | ABRASIVE ARTICLE FOR USE WITH A GRINDING WHEEL - An abrasive article for use with a grinding wheel including an abrasive body having abrasive grains contained within a matrix of bond material, the abrasive body having a plurality of arm portions defining a twisted path having a plurality of linear portions joined by a plurality of turns. | 06-16-2011 |
| 20110131889 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - An abrasive article including an abrasive body having abrasive grains made of microcrystalline alumina contained within a bond material, wherein the bond material comprises a total content of alumina of at least about 15 mol %. | 06-09-2011 |
| 20110131888 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - An abrasive article includes an abrasive body having abrasive grains within a bond material, the abrasive body further including a spinel material disposed at an interface between the abrasive grains and the bond matrix. | 06-09-2011 |
| 20110111678 | ABRASIVE ARTICLE WITH IMPROVED GRAIN RETENTION AND PERFORMANCE - An abrasive article with improved grain retention and performance and method of making are disclosed. The abrasive article with improved grain retention results in an article with improved performance and longer article life. | 05-12-2011 |
| 20110083374 | BONDED ABRASIVE ARTICLE AND METHOD OF FORMING - An abrasive article having an abrasive body including abrasive grains contained within a bond material, wherein the abrasive grains comprise microcrystalline alumina, and wherein the bond material includes less than about 1.0 mol % phosphorous oxide (P | 04-14-2011 |
| 20110045739 | Method and Apparatus for Roll Grinding - In one aspect, a process for roll grinding employs a grinding wheel that is porous and permeable. In another aspect, a process for grinding mill rolls includes dressing the grinding wheel as the wheel traverses the surface of a mill roll. Other aspects relate to a system, e.g., a mill roll grinding machine, or parts thereof, in which a dressing tool contacts the wheel as the wheel grinds the surface of the mill roll. In specific examples, the wheel and a rotary dressing tool are maintained in contact as the wheel traverses the surface of the mill roll. | 02-24-2011 |
| 20110045292 | ABRASIVE ARTICLES INCLUDING ABRASIVE PARTICLES BONDED TO AN ELONGATED BODY, AND METHODS OF FORMING THEREOF - An abrasive article includes an elongated body, a bonding layer including a metal overlying a surface of the elongated body, and a coating layer including a polymer material overlying the boding layer. The abrasive article further includes abrasive grains contained within the bonding layer and coating layer, and wherein the bonding layer comprises an average thickness (t | 02-24-2011 |
| 20110041413 | ABRASIVE TOOL HAVING A PARTICULAR POROSITY VARIATION - An abrasive tool has a body including an abrasive portion having abrasive grains contained within a matrix material, and a first reinforcing member contained within the abrasive portion, wherein the body comprises 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. | 02-24-2011 |
| 20110039070 | ABRASIVE ARTICLES INCLUDING ABRASIVE PARTICLES BONDED TO AN ELONGATED BODY - 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. | 02-17-2011 |
| 20110027564 | ABRASIVE TOOL HAVING CONTROLLED POROSITY DISTRIBUTION - An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (P | 02-03-2011 |
| 20100330886 | Corrosion-Resistant CMP Conditioning Tools and Methods for Making and Using Same - An abrasive tool for conditioning CMP pads includes abrasive grains coupled to a substrate through a metal bond and a coating, e.g., a fluorine-doped nanocomposite coating. The abrasive grains can be arranged in a self-avoiding random distribution. In one implementation, an abrasive tool includes a coated plate and a coated abrasive article that has two abrading surfaces. Other implementations related to a process for producing an abrasive tool that includes a coating at one or more of its surfaces. Also described are methods for dressing a CMP pad. | 12-30-2010 |
| 20100251625 | ABRASIVE ARTICLES INCLUDING FUSED ZIRCONIA ALUMINA GRAIN HAVING AN IMPROVED SHAPE - A coated abrasive article includes a backing and fused alumina-zirconia abrasive grains attached to the backing with a binder. The fused alumina-zirconia abrasive grains include between about 35 wt % and about 45.5 wt % ZrO | 10-07-2010 |
| 20100248600 | DUST COLLECTION FOR AN ABRASIVE TOOL - Dust collection for an abrasive tool is disclosed. In one embodiment, a first dust extraction component extracts dust from an upper part of material that is machined, while a second dust extraction component extracts dust from a lower part of the material by the abrasive tool. The first dust extraction component and the second dust extraction component collect about 100% of dust generated from the material. | 09-30-2010 |
| 20100248595 | ABRASIVE TOOL FOR USE AS A CHEMICAL MECHANICAL PLANARIZATION PAD CONDITIONER - An abrasive tool including a CMP pad conditioner having a substrate including a first major surface, a second major surface opposite the first major surface, and a side surface extending between the first major surface and the second major, wherein a first layer of abrasive grains is attached to the first major surface and a second layer of abrasive grains is attached to the second major surface. The conditioner further includes a first sealing member extending in a peripheral direction along a portion of the side surface of the substrate. | 09-30-2010 |
| 20100218842 | AUTOMATIC WINDING OF WIRE FIELD IN WIRE SLICING MACHINE - Automatic winding of a wire field in a wire slicing machine is disclosed. In one embodiment, a wire field is automatically generated in a wire slicing machine by unloading wire from at least one wire spool and winding the wire about one or more wire guides to form the wire field. | 09-02-2010 |
| 20100200304 | ABRASIVE TIP FOR ABRASIVE TOOL AND METHOD FOR FORMING AND REPLACING THEREOF - Abrasive tip for abrasive tool and method for forming and replacing thereof are disclosed. The abrasive tip facilitates easy and quick attachment to an abrasive tool. | 08-12-2010 |
| 20100190424 | Reinforced Bonded Abrasive Tools - Bonded abrasive tools, e.g., grinding wheels, can be reinforced using, for instance, one or more fibreglass web(s) having a surface of glass per unit of at least 0.2. Alternatively or in addition, the fibreglass web has a thickness of 2 mm or less. The web can be designed to provide improved adhesion between the fibreglass reinforcement and the mixture employed to form the bonded abrasive tool. In some examples, the middle reinforcement at the neutral zone of the wheel can be eliminated or minimized. | 07-29-2010 |
| 20100162632 | BONDED ABRASIVE TOOL AND METHOD OF FORMING - A bonded abrasive tool includes a bonded abrasive body having a bond matrix material comprising 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 comprises pores surrounding the chopped fiber bundles. | 07-01-2010 |
| 20100159806 | BONDED ABRASIVE ARTICLE AND METHOD OF USE - An abrasive tool including a bonded abrasive article including a bond material comprising a metal or metal alloy, abrasive grains contained within the bond material, and a reaction agent dispersed within the bond material, wherein the reaction agent chemically reacting with a surface of the workpiece during abrasion to form a reaction product. | 06-24-2010 |
| 20100154316 | ABRASIVE ARTICLE WITH IMPROVED PACKING DENSITY AND MECHANICAL PROPERTIES AND METHOD OF MAKING - An abrasive article with improved packing density and mechanical properties and method of making are disclosed. A method of making an abrasive mix with improved processability facilitates improved packing density, resulting in abrasive articles with improved mechanical properties. | 06-24-2010 |
| 20100154315 | BONDED ABRASIVE ARTICLES AND METHODS OF FORMING - A method of forming an abrasive article includes forming a mixture comprising a liquid carrier and a glass precursor material, wherein the glass precursor material comprises a material selected from the group of materials consisting of a hydrated metal compound, an organic silicate compound, or a combination thereof. The method further includes providing abrasive grains within the mixture, forming the mixture into a green ceramic body, and heating the green ceramic body to form a bonded abrasive article comprising the abrasive grains contained within a bond matrix, wherein the bond matrix comprises an amorphous phase formed from the glass precursor material. | 06-24-2010 |
| 20100035530 | ABRASIVE TOOLS HAVING A CONTINUOUS METAL PHASE FOR BONDING AN ABRASIVE COMPONENT TO A CARRIER - 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. | 02-11-2010 |
| 20100022170 | COATED ABRASIVE PRODUCTS CONTAINING AGGREGATES - A coated abrasive product includes a particulate material containing 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. Free abrasive products, bonded abrasive products, and the particulate material also contain aggregates. | 01-28-2010 |
| 20100006082 | WIRE SLICING SYSTEM - A wire slicing system and method for using it include one or more of the following features: arrangements and/or operations that relate to handling the wire; apparatus and methods that relate to wire tensioning; equipment and techniques for manipulating the workpiece; arrangements and/or operations designed for cooling and swarf (debris) removal; controls and/or automation that can be used in conjunction with these features. | 01-14-2010 |
| 20100000159 | Abrasive Slicing Tool for Electronics Industry - A bond matrix for metal bonded abrasive tools includes a metal bond system, porosity and an optional filler. Tools according to embodiments of the invention exhibit long tool life, produce an acceptable quality of cut and can have self-dressing properties. The bond matrix can be used, for example, in abrasives tools configured for the electronics industry, such as 1A8 wheels for slicing ball grid arrays (BGAs) and other such slicing operations. | 01-07-2010 |
| 20090311946 | SELF-BONDED FOAMED ABRASIVE ARTICLES AND MACHINING WITH SUCH ARTICLES - A self-bonded foamed abrasive article and a method of machining using such an article. The machining method includes providing a workpiece having a worksurface and removing material from the worksurface by moving an abrasive relative to the worksurface, wherein the abrasive comprises a foamed abrasive body consisting of abrasive grains and a porosity of at least about 66 vol %. | 12-17-2009 |
| 20090264050 | HIGH POROSITY ABRASIVE ARTICLES AND METHODS OF MANUFACTURING SAME - An abrasive article includes a polymer matrix and abrasive grains dispersed in the polymer matrix, wherein the abrasive article has a void volume of at least 50%. The polymer matrix is polymerized from a monomer including at least one double bond. | 10-22-2009 |
| 20090242120 | AUTOMOTIVE MASKING TAPE AND DISPENSERS - A masking dispenser includes a vertical support, a paper roll, a fixture, and a reel. The paper roll support extends horizontally to the vertical support. The fixture includes a bracket coupled to an extension. The bracket is secured to the vertical support and the extension extends in a direction perpendicular to the paper roll support. The reel is rotatably coupled to the extension and is configured to receive a roll of masking tape and to dispense the masking tape parallel to an edge of a masking paper roll located on the paper roll support. | 10-01-2009 |
| 20090233528 | Floor sanding sponge pads - Floor sanding sponge pads (as referred to as “sponge pads”) are designed to sand both raw (unfinished) or treated (finished with stain, sealer, polyurethane, etc.) floors in order to smooth out surface roughness while applying a sufficient surface texture to allow subsequent application of finish to properly adhere. The sponge pad may have a vacuum hole configuration to remove swarf from the work surface. | 09-17-2009 |
| 20090233527 | Interface pad for use between an abrasive article and a support tool - The present invention relates to an interface pad for use between an abrasive article and a support tool. In one particular embodiment, an interface pad for use between a perforated abrasive article and a support tool is provided. In general, the interface pads described herein contain apertures and at least one channel configured such that an interface pad can be used between an abrasive article having a particular configuration of apertures and a support tool having different configuration of dust collection apertures. In one embodiment, the interface pads described herein contain apertures and at least one channel configured such that the interface pad can be used between any perforated abrasive article and any support tool with dust extraction capabilities. Abrasive tools which include an interface pad and methods for using the interface pads are also described. | 09-17-2009 |
| 20090199693 | Circular Saw Blade With Elliptical Gullets - A saw blade includes a circular core having a plurality of cutting elements along its periphery, and a central arbor hole. One or more gullets extend radially inward from the perimeter of the core. Each gullet includes a shape that includes at least one elongated curve that enlarges radii in gullet areas prone to cracking, relative to other gullet areas. | 08-13-2009 |
| 20090199692 | Circular Saw Blade With Offset Gullets - A saw blade includes a circular core having a plurality of cutting elements along its periphery, and a central arbor hole. One or more offset gullets extend radially inward from the perimeter of the core. Each offset gullet includes a first opening in one side of the core and a second opening in the other side of the core. The first and second openings are adjacent but at least partially offset from one another, so that at least a portion of the offset gullet is not see-through. | 08-13-2009 |
| 20090149624 | Phenolic resin formulation and coatings for abrasive products - A resorcinol-modified phenolic resin composition is formed by reacting a basic catalyst, formaldehyde, water and a benzene-ol to form an intermediate composition to which resorcinol is subsequently added to reduce the presence of free formaldehyde. Optionally, an alkanolamine can be combined and reacted with the resorcinol-modified phenolic resin composition to form a resorcinol-alkanolamine-modified phenolic resin composition. The resorcinol-modified phenolic resin and the resorcinol-alkanolamine-modified phenolic resin compositions can be employed to coat abrasive products having a relatively low free formaldehyde content. | 06-11-2009 |
| 20090145044 | ABRASIVE ARTICLES AND METHODS FOR MAKING SAME - The disclosure is directed to an abrasive article. The abrasive article includes a backing having a major surface and a make layer. The make layer is disposed over the major surface of the backing. The make layer includes abrasive grains and a photoinitiator that increases the depth of ultraviolet cure of the make layer by at least about 50% compared to bis(2,4,6-trimethyl benzoyl) phenyl phosphine oxide. The disclosure is also directed to a method for forming the abrasive article. | 06-11-2009 |
| 20090098805 | Melamine methylol for abrasive products - An abrasive product includes a plurality of abrasive particles and a resin binder cured from a resin composition that includes an aqueous dispersion of melamine methylol having a melamine-to-formaldehyde molar equivalent ratio of between about 1:1 and about 1:3.2, wherein the aqueous dispersion has a pH in a range of between about 8 and about 10. The composition also includes a formaldehyde-based resins, such as a urea-formaldehyde resin or phenol-formaldehyde resin. The melamine methylol comprises between about 1 wt % and about 50 wt % of the combined weight of the formaldehyde-based resin and the melamine methylol. | 04-16-2009 |
| 20090081933 | ABRASIVES PRODUCTS WITH EDGES - A coated abrasive includes a substrate, where the substrate has a first edge and a first plurality of flaps defining a first edge. The flaps can be manufactured with different shapes and spacing between the flaps to improve the conformability of the coated abrasive. | 03-26-2009 |
| 20090077900 | Abrasive products including active fillers - An abrasive product comprises an abrasive component and a bond component. In one embodiment, the bond component includes a binder and a filler component that includes a cryolite and at least one member selected from the group consisting of sodium oxalate (Na | 03-26-2009 |
| 20090035519 | ABRASIVE ARTICLE WITH ANTI-SLIP POLYMERIC LAYER - An abrasive article includes a backing having first and second major surfaces, an abrasive layer overlying the first major surface, and a polymeric layer overlying the second major surface. The polymeric layer includes an elastomeric material having a Shore A durometer of about 55 to about 95. | 02-05-2009 |
