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Document Title |
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7572174 |
Abrasive grain and grindstone
An abrasive grain 1 includes a crystal defect CD in its crystal structure CS. The crystal defect CD is formed by a laser irradiation.
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7556558 |
Shape controlled abrasive article and method
Provided are an abrasive tool comprising abrasive particles having an average shape controlled to within a small range, and methods of providing such tools. Thus, a large number of abrasive tools...
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7465222 |
Grinding wheel
A grinding wheel includes a grinder engaged between a front cover and a rear cover, and rough portions of the front cover and the rear cover press against the grinder tightly. After center rods and...
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7462096 |
Surface-treatment wheel
A surface-treatment wheel has an inner element rotatable about an axis, and an outer ring fixed rotationally on the inner element, centered on the axis, and formed unitarily with an annular array...
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7393268 |
Ring system for guiding a medium in an abrasive disk
The invention relates to a ring system for accommodating a medium, to a method for compressing and guiding a medium for use in any known grinding methods for abrasive disks that consist of a...
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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...
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7377839 |
Cover for guiding a medium in an abrasive disk
The invention relates to a grinding-wheel cover ( 3 ) for grinding wheels with a support body ( 1 ) and a grinding layer ( 2 ) arranged at an edge or face for edge or face use in grinding, a...
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7357702 |
Grinding wheel
The present invention refers to an improved grinding wheel, comprising an abrasive and/or cutting disk-shaped member that can be associated substantially coaxially with the free end of the rotating...
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7350518 |
Blade ring saw blade
A flat-sided annular blade for a blade ring saw for cutting hard material such as tile along straight paths and curved paths in which the workpiece is moved through the central portion of the...
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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...
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7331845 |
Double end face truing device, double end face truing tool, and double end face truing method
First and second end surface truing sections are formed by protruding cylindrical first and second base bodies from opposite end surfaces of a disc-like base of an opposite end surface truing tool...
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7281970 |
Composite articles and methods of making the same
Composite articles (e.g., abrasive articles (e.g., abrasive wheels and honing sticks), cutting tools, and cutting tool inserts) comprising a glass-ceramic distributed in a ceramic matrix.
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7235007 |
Divided grinding tool
The invention relates to a grinding tool which comprises at least two detachable parts which are connected together. Both parts form a grinding disk-type body comprising a grinding surface which is...
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7217180 |
Diamond tape coating and methods of making and using same
A method of forming and applying a diamond coating or other superhard coating to a tool, most preferably a downhole tool, such as a drill bit. A superhard powder is placed into slurry and then...
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7214126 |
Abrasive material
A flexible layer is formed on a surface of a core, and a polishing layer mixed with abrasive particles is formed on a top of the flexible layer. The flexible layer is produced by applying an...
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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...
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7204664 |
Glass drill bit
A method and apparatus for drilling glass using a drill and drill bit. The method utilizes a drill bit having a plurality of shaft diameters, and being provided with a plurality of types of...
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7195550 |
Method and installation for making abrasive grinders and grinder obtained by said method
An abrasive product is formed, in a blank making machine, into a layer forming a blank including at least abrasive grains. The layer is then set atop on at least another blank making machine, an...
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7195549 |
Drum grinding wheel
A drum grinding wheel includes an elongated drum configured for coaxial engagement with a spindle of a grinding machine. An exterior surface of the drum extends parallel to a central axis, and a...
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7175509 |
Grinder and method of and apparatus for non-contact conditioning of tool
Truing of a grinder is performed by irradiating a laser beam onto abrasive grains on the outermost periphery of the grinder from the tangential direction of the grinder. Truing of the grinder for...
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7144315 |
Grinding wheel
A grinding wheel including a ring-shaped wheel, a first fixing cap, a second fixing cap and a buffer member. The ring-shaped wheel has a fixing section and a working section formed along outer...
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7125328 |
Glass grinding bit
A glass grinding bit includes a monolithic plastic body having a first end, a second end and a central longitudinal axis. A central bore formed as part of the body in alignment with the...
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7117863 |
Saw blade for cutting fiber cement
An improved circular saw blade designed for cutting fiber cement workpieces, which are becoming more and more prevalent on the construction site, includes a PCD/carbide tip ( 16 ) mounted in the...
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7100595 |
Diamond blade
In relation to a blade cutting stone or concrete, a blade, preventing wearing of a core while preventing the core from wobbling, cuttable at a stable speed is provided. In a blade formed by...
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7094136 |
Grinding tool for edge circular processing
A pair of profile wheels 14, 18 in which concavely shaped grinding surfaces 141, 181 asymmetrical to each other are opposed to each other at right angle so as to form a concavely shaped...
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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...
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7068378 |
Apparatus and method for measuring amount of projection of abrasive grain on grinding tool
A camera unit is arranged opposite a grinding surface. While moving the focal position of the camera unit in a direction perpendicular to the grinding surface relative to the grinding surface of...
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7063608 |
Grinding wheel having core body coated with impermeable coating
A grinding wheel including: (a) an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together; (b) an abrasive layer which...
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7004157 |
Rotary cutting saw with improved heat dissipation performance
A rotary cutting saw including: (a) a base disk which has a plurality of apertures formed therethrough and opening in axially opposite end surfaces thereof; (b) a plurality of abrasive segments...
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6994614 |
Metal-bonded grinding tool
A metal-bonded grinding tool including a base and abrasive grains bonded to the base by means of a metal bond matrix containing a Cu alloy as a main component. A content of at least one of an alloy...
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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...
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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...
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6939214 |
Honing wheel having internal gearing
The cross-sectional profile of the outer peripheral surface of a honing wheel is within a spherical enveloping surface that is concentric with the honing wheel. Due to the cross-sectional profile...
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6939201 |
Grinding tool, and method and apparatus for inspection conditions of grinding surface of the same
The grindstone is configured so that at least the surface of each abrasive grain is colored differently from the surface of a base.
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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...
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6908264 |
Quick change drill bit
A quick-change core drill includes an adapter and a generally tubular drill barrel. The adapter comprises a first end adapted to be removably connected to a drill spindle and a second end adapted...
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6890250 |
Diamond blade having rim type cutting tip for use in grinding or cutting apparatus
A diamond blade having rim type cutting tip for use in apparatus such as cutting saw machine having a structure which rim type cutting tip is able to produce cutting chips with relative large size...
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6866572 |
Plated grinding tool
The invention relates to a plated grinding tool which is symmetrically configured around an axis of rotation. Said plated grinding tool comprises a plurality of grinding plates arranged on the...
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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...
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6840851 |
Bevel edging wheel with swarf clearance
A bevel edge wheel having a swarf clearance slot across the shaping face. The slot reduces the amount of hand removal of swarf from a processed lens blank.
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6827641 |
Grinding wheel having synthetic resin layers covering axially opposite end faces of body of the wheel
A grinding wheel including (a) a cylindrical main body having a grinding surface on its outer circumferential surface, and (b) a pair of synthetic resin layers disposed on respective axially...
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6827072 |
Dressing wheel and method of making same
A dressing wheel has a disk-shaped base body centered on an axis and formed with an annular groove also centered on the axis and having an inner surface. A multiplicity of abrasive elements...
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6805620 |
Grindstone having resinoid abrasive structure including abrasive agglomerates each provided by vitrified abrasive structure
A resinoid grindstone including a main body having an abrasive structure in which abrasive agglomerates are held together by a resin bond. Each of the abrasive agglomerates includes abrasive grains...
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6796891 |
Grinding wheel, a process of manufacturing the grinding wheel and a process of reclaiming the grinding wheel
A grinding wheel comprising an outer annular grinding portion, and an inner core portion which is located radially inwardly of the annular grinding portion to support the annular grinding portion...
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6796210 |
Cutting disc core for a circular saw blade
A cutting disc core for a circular shaped saw blade which has a circular shaped body which has a center hole and a circular peripheral edge upon which is to be mounted a plurality of spaced apart...
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6776689 |
Method and apparatus for forming a ceramic catalyst support
A grinding assembly for shaping an inlet or outlet face of a ceramic catalyst substrate provides for forming a predetermined face on the substrate, the substrate having a circular or non-circular...
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6773336 |
Method of forming a recess in a body
A method of forming a recess in a body having a surface of substantially cylindrical form utilises a grinding wheel having a first axis in the form of a drive axis, and a circumferential surface...
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6769975 |
Super abrasive tool and process for producing the same
A super abrasive tool comprises scattered super abrasive grains fixed on a working surface with a bond layer. The bond layer has a flat surface and protrusions. Each protrusion has one grain and...
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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...
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6739963 |
Disk for grinding concrete
Of the type designed to be attached to the propeller-shaped bases or heads of a concrete grinder, to enhance the grinding effect of said propeller-shaped bases after the latter are used without...
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