Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7993419 | Abrasive tools made with a self-avoiding abrasive grain array 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 ... | 08/09/2011 |
| 7527050 | Method for fabricating multi-layer, hub-less blade 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 ... | 05/05/2009 |
| 7507267 | Abrasive tools made with a self-avoiding abrasive grain array 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 ... | 03/24/2009 |
| 7444914 | Saw blade with multiple bore sizes 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 wit... | 11/04/2008 |
| 7422513 | Porous abrasive articles with agglomerated abrasives 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° C., and the sintere... | 09/09/2008 |
| 7384329 | Coolant delivery system for grinding tools 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 conc... | 06/10/2008 |
| 7351133 | Disc grinding wheel with integrated mounting plate 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 th... | 04/01/2008 |
| 7344573 | Impregnation of grinding wheels using supercritical fluids 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-la... | 03/18/2008 |
| 7275980 | Abrasive articles with novel structures and methods for grinding 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 p... | 10/02/2007 |
| 7210474 | Saw blade with cutting depth gauge 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 ... | 05/01/2007 |
| 7108594 | Perforated sanding disc 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 ... | 09/19/2006 |
| 7108596 | Coated abrasives with indicia 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 ... | 09/19/2006 |
| 7090565 | Method of centerless grinding 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... | 08/15/2006 |
| 7077723 | Porous abrasive articles with agglomerated abrasives and method for making the agglomerated abrasives 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° C., and the sintere... | 07/18/2006 |
| 7014550 | Sanding system 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. ... | 03/21/2006 |
| 7015268 | Method for making microabrasive tools 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... | 03/21/2006 |
| 6988937 | Method of roll grinding 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... | 01/24/2006 |
| 6942561 | Reinforced abrasive wheels 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 ex... | 09/13/2005 |
| 6935940 | Metal single layer abrasive cutting tool having a contoured cutting surface 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 porti... | 08/30/2005 |
| 6878051 | Saw blade with shaped gullets 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 periphe... | 04/12/2005 |
| 6846223 | Abrasive wheels with workpiece vision feature 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 wheel... | 01/25/2005 |
| 6835220 | Anti-loading treatments 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 mag... | 12/28/2004 |
| 6824876 | Belt joint adhesive 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 b... | 11/30/2004 |
| 6817936 | Metal single layer abrasive cutting tool having a contoured cutting surface 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... | 11/16/2004 |
| 6814565 | Support fixture for thermal curing processes A flexible or semi-rigid support fixture is sized and shaped to supportably engage a surface of a polymeric matrix object such as an organic bonded abrasive grinding wheel. The support fixture is utilized to support the object to help prevent slumping and/or expansi... | 11/09/2004 |
| 6807705 | Polishing pad and system 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. ... | 10/26/2004 |
| 6800018 | Cutting device for separating individual laminated chip assemblies from a strip thereof, method of separation and a method of making the cutting device 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... | 10/05/2004 |
| 6797023 | Coated abrasives 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. ... | 09/28/2004 |
| 6773473 | Supercritical fluid extraction 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 materi... | 08/10/2004 |
| 6769964 | Abrasive tool having a unitary arbor A grinding tool and method is provided for shaping an edge of sheet glass. The grinding tool includes an arbor and a wheel being of a unitary construction and including an axis of rotation. The grinding tool further includes a recess extending along a periphery of t... | 08/03/2004 |
| 6755729 | Porous abrasive tool and method for making the same 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, bon... | 06/29/2004 |
| 6702867 | Vitrified bonded abrasive tools 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 th... | 03/09/2004 |
| 6685755 | Porous abrasive tool and method for making the same 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... | 02/03/2004 |
| 6685756 | Coated abrasives 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... | 02/03/2004 |
| 6679758 | Porous abrasive articles with agglomerated abrasives 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° C., and ... | 01/20/2004 |
| 6663682 | Article of superabrasive coated with metal 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 thermoche... | 12/16/2003 |
| 6616519 | Sanding system 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.... | 09/09/2003 |
| 6609964 | Method and apparatus for fabricating abrasive tools 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 grindi... | 08/26/2003 |
| 6602556 | Ceramic shell thermal spray powders and methods of use thereof 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.... | 08/05/2003 |
| 6599177 | Coated abrasives with indicia 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... | 07/29/2003 |
