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Saint-Gobain Abrasives Technology Company Patents
Assignee:
Saint-Gobain Abrasives Technology Company
Address:
Worcester, MA
No. of patents:
54
Patents:


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Patent Number Title Of Patent Date Issued
D459740 Segmented saw blade July 2, 2002
D459376 Segmented saw blade June 25, 2002
D459375 Segmented saw blade June 25, 2002
D458948 Segmented saw blade June 18, 2002
7993419 Abrasive tools made with a self-avoiding abrasive grain array August 9, 2011
Abrasive tools contain abrasive grains oriented in an array according to a non-uniform pattern having an exclusionary zone around each abrasive grain, and the exclusionary zone has a minimum dimension that exceeds the maximum diameter of the desired grit size range for the abrasive grain
7527050 Method for fabricating multi-layer, hub-less blade May 5, 2009
An abrasive cutting blade is provided to achieve high-quality surface finishes at high feed rates. The blade is fabricated by electroplating fine abrasive onto a steel cathode disc to form a first layer, followed by electroplating a second layer of coarser abrasive onto the first lay
7507267 Abrasive tools made with a self-avoiding abrasive grain array March 24, 2009
Abrasive tools contain abrasive grains oriented in an array according to a non-uniform pattern having an exclusionary zone around each abrasive grain, and the exclusionary zone has a minimum dimension that exceeds the maximum diameter of the desired grit size range for the abrasive grain
7444914 Saw blade with multiple bore sizes November 4, 2008
A circular saw blade is provided with a first bore of a first size, configured for engagement with a first size arbor. The disk also has a second bore of a second size configured for engagement with a second size arbor. The second bore is disposed concentrically with the first bore,
7422513 Porous abrasive articles with agglomerated abrasives September 9, 2008
A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 and 1400.degree. C., and the sintered agglomerat
7384329 Coolant delivery system for grinding tools June 10, 2008
An abrasive grinding wheel having an annular grinding face depending from a substantially circular body includes a tubular inner wall which defines an axial bore configured to convey coolant in a downstream direction therethrough. The inner wall is coupled to a concave body portion t
7351133 Disc grinding wheel with integrated mounting plate April 1, 2008
A bonded abrasive grinding wheel is provided with a bonded abrasive disc including abrasive grain disposed within a bond matrix, and a mounting plate integrally fastened to the disc. In various embodiments, the mounting plate has a plurality of non-metallic first threaded fastener po
7344573 Impregnation of grinding wheels using supercritical fluids March 18, 2008
An additive impregnated abrasive article and method for fabricating the same is provided. The method includes providing an abrasive article having a pore structure, dissolving an additive in a supercritical fluid, and exposing the abrasive article to the additive-laden supercritical
7275980 Abrasive articles with novel structures and methods for grinding October 2, 2007
Bonded abrasive tools, having novel porous structures that are permeable to fluid flow, comprise a relatively low volume percentage of abrasive grain and bond, and a relatively low hardness grade, but are characterized by excellent mechanical strength and grinding performance. Method
7210474 Saw blade with cutting depth gauge May 1, 2007
Cutting tools are provided that include a circular core with a cutting means located on its periphery, a central bore to receive an arbor of a rotating power tool and one or more perforations extending through the central core. The perforations are disposed along a circumference disp
7108596 Coated abrasives with indicia September 19, 2006
A coated abrasive having an abrasive surface comprising a plurality of individual abrasive structures can be modified to convey information by changing the appearance, for example by changing the size, shape or spacing of the structures to create patterns conveying the information.
7108594 Perforated sanding disc September 19, 2006
Abrasive discs for use with orbital sanders having dust extractor systems are provided in which the discs have an annular perforated zone intermediate between the center and the circumference of the disc in a location corresponding to the location of dust extractor ports in the coope
7090565 Method of centerless grinding August 15, 2006
Organic bonded abrasive tools, having controlled microstructures, comprise a relatively low volume percentage of abrasive grain and a relatively low hardness grade, but are characterized by the excellent mechanical strength and efficient grinding performance of much harder grade, lower
7077723 Porous abrasive articles with agglomerated abrasives and method for making the agglomerated abra July 18, 2006
A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 and 1400.degree. C., and the sintered agglomerat
7015268 Method for making microabrasive tools March 21, 2006
A microabrasive tool is formed from a slurry including liquid, abrasive grains, a bonding material, and a polymer--for example, gellan gum. The slurry is cast in a mold, and the polymer is ionically cross-linked. Cross-linking the polymer fixes the structure of the bonding material and
7014550 Sanding system March 21, 2006
The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.
6988937 Method of roll grinding January 24, 2006
Grinding of mill rolls is carried out with chatter resistant abrasive grinding wheels having relatively low elastic modulus values and relatively high burst speed values. Grinding operations may be carried out at high efficiency with controlled wheel vibration, thus generating optimu
6942561 Reinforced abrasive wheels September 13, 2005
In a depressed-center abrasive wheel assembly a reinforcement layer of polygonal shape is located between a front face of the abrasive wheel and a front flange. The reinforcement layer is dimensioned to entirely cover the depressed center portion of the wheel. An example of polygonal
6935940 Metal single layer abrasive cutting tool having a contoured cutting surface August 30, 2005
This invention relates to an abrasive cutting tool comprising: i) a substrate surface having a plurality of teeth extending therefrom, and ii) a single layer of abrasive grains chemically bonded to at least a portion of each tooth to define a plurality of cutting levels parallel to the
6878051 Saw blade with shaped gullets April 12, 2005
A tool such as a circular diamond abrasive saw blade includes a circular metallic body having a substantially central aperture through which the saw blade is mountable to a rotatable drive shaft, and a plurality of cutters disposed in spaced relation along a periphery of said body. A
6846223 Abrasive wheels with workpiece vision feature January 25, 2005
Abrasive grinding wheels having an irregular (i.e., gapped) perimeter shape and/or holes extending therethrough permit one to view the surface of a workpiece being ground in conventional surface finishing, snagging and/or weld blending operations. The grinding wheels may each include one
6835220 Anti-loading treatments December 28, 2004
An abrasive is give a top coat layer consisting essentially of an inorganic, anti-loading agent selected from the group consisting of metal silicates, silicas, metal carbonates, and metal sulfates. The metal silicates can be selected from the group consisting of magnesium silicates,
6824876 Belt joint adhesive November 30, 2004
An adhesive for use in coated abrasive belt joints includes a blocked isocyanate, urethane system. The blocking agent can include phenols, oximes, alcohols, caprolactam, and diethyl malonate. The adhesive can be crosslinked with amine or alcohol. A coated abrasive belt is formed by a
6817936 Metal single layer abrasive cutting tool having a contoured cutting surface November 16, 2004
This invention relates to a method of cutting, comprising the steps of: a) providing an abrasive cutting tool comprising: i) a substrate surface having a plurality of teeth extending therefrom, and ii) a single layer of abrasive grains chemically bonded to at least a portion of each too
6800018 Cutting device for separating individual laminated chip assemblies from a strip thereof, method October 5, 2004
An abrasive wheel is used to separate individual laminated chips from a strip by cutting through the copper bridging elements. The abrasive wheel is made up of abrasive particles bonded in a matrix having a high glass transition temperature and a cutting edge having a maximum thickness o
6797023 Coated abrasives September 28, 2004
Novel coated abrasives comprising abrasive agglomerate grains characterized by a high porosity and low ratio of solid volume to nominal volume provide exceptionally useful medium to low pressure grinding characteristics.
6773473 Supercritical fluid extraction August 10, 2004
A method is provided for fabricating an abrasive article having porosity. The method includes blending a mixture of abrasive grain, bond material, and pore inducer, in which the pore inducer is soluble in a supercritical fluid, and the abrasive grain and bond material are substantially
6702867 Vitrified bonded abrasive tools March 9, 2004
The present invention provides a vitrified-bonded abrasive tool wherein the abrasive grit portion comprises a thermally sensitive abrasive grain, such as sintered sol gel microcrystalline alpha alumina abrasive grain or superabrasive grain, and wherein the vitrified bond may be matured b
6685756 Coated abrasives February 3, 2004
A coated abrasive having an abrasive surface comprising a plurality of individual abrasive structures wherein the structures comprise a cured binder resin in an amount that is from 58 to 75% by volume of the volume of binder plus solid particles dispersed within the binder.
6685755 Porous abrasive tool and method for making the same February 3, 2004
An abrasive article including from about 40 to about 80 volume percent interconnected porosity, the article being useful as a segment for a segmented grinding wheel, and a method for fabricating the same. The method includes blending a mixture of abrasive grain, bond material and dis
6679758 Porous abrasive articles with agglomerated abrasives January 20, 2004
A bonded abrasive tool, having a structure permeable to fluid flow, comprises sintered agglomerates of a plurality of abrasive grains and a binding material, the binding material being characterized by a melting temperature between 500 and 1400.degree. C., and the sintered agglomerates
6663682 Article of superabrasive coated with metal December 16, 2003
A process for metal coating diamond superabrasive particles involves heating the superabrasive particles in the presence of coat-forming powder of a metal compound under a common inert atmosphere. The metal compound contains a metal which can be thermochemically reduced by the supera
6616519 Sanding system September 9, 2003
The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.
6609964 Method and apparatus for fabricating abrasive tools August 26, 2003
Methods for orienting fibers and an apparatus for orienting fibers are provided for the fabrication of improved thin abrasive wheels utilizing uniform non-woven fiber reinforcement discs. The wheels are more resistant to hub push-out failure during grinding than wheels reinforced with wo
6602556 Ceramic shell thermal spray powders and methods of use thereof August 5, 2003
Plasma spraying a substrate using particles having a ceramic coating on a combustible core, which may optionally be burned out before spraying, gives a potential for a thicker more conformable protective coat.
6599177 Coated abrasives with indicia July 29, 2003
A coated abrasive having an abrasive surface comprising a plurality of individual abrasive structures can be modified to convey information by changing the appearance, for example by changing the size, shape or spacing of the structures to create patterns conveying the information.
6544598 Electrostatic process for depositing abrasive materials April 8, 2003
The use of a solid state waveform generator together with a suitable non-inverting amplifier provides a very versatile system for depositing particles on a substrate by an upward deposition, or "UP", technique.
6537140 Patterned abrasive tools March 25, 2003
An method of making a metal bonded, abrasive tool uses a perforated stencil to place abrasive parcels in a pattern on the cutting surface of the tool. The stencil is placed against the tool preform so that the perforations define cavities. Metal brazing composition in the form of a paste
6524357 Process for coating superabrasive with metal February 25, 2003
A process for metal coating diamond superabrasive particles involves heating the superabrasive particles in the presence of coat-forming powder of a metal compound under a common inert atmosphere. The metal compound contains a metal which can be thermochemically reduced by the supera
6523215 Polishing pad and system February 25, 2003
The invention provides a double sided waffle-surfaced foam polishing pad and a polishing system with which it can be used. The double sided feature allows great versatility in the type of polishing that can be accomplished using the same pad.
6511713 Production of patterned coated abrasive surfaces January 28, 2003
An electrostatic abrasive grain upward projection deposition process utilizing opposed electrodes produces a patterned abrasive surface by controlling the local intensity of the field by which the grain is projected on to a substrate.
6500493 Electrostatic deposition process December 31, 2002
Fine abrasive powders can be made more free-flowing and better adapted to electrostatic upward projection deposition in the production of coated abrasives by the control of the volume resistivity of the powder to a level that is not greater than 10.sup.14 ohms.cm by incorporation of a
6485532 Superabrasive wheel with active bond November 26, 2002
A straight, thin, monolithic abrasive wheel formed of hard and rigid abrasive grains and a sintered bond including a metal component and an active metal component exhibits superior stiffness. The metal component can be selected from among many sinterable metal compositions. The active
6451076 Engineered abrasives September 17, 2002
Coated abrasives suitable for very fine abrading applications can be obtained by depositing a layer of a formulation comprising abrasive grits, fillers, grinding aid, additives and a binder resin on a substrate in the form of a structured abrasive, adhering to the surface of the structur
6439988 Corner sanding tool August 27, 2002
Sanding tools made from a block of a foamed polymer sponge having two contiguous sides meeting at a right angle that are provided with an abrasive coating and which have in addition a means for grasping the tool formed in the body of the sponge so that the user can simultaneously sand
6413286 Production tool process July 2, 2002
The production of an engineered surface on a coated abrasive is made more versatile by the use of a production tool obtained using a master tool created by a rapid prototyping technique.
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