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WO/2000/064633A2 |
An abrasive article (10) is provided which comprises a backing (12) and at least one three-dimensional abrasive coating (16) bonded to a surface of the backing (12). The abrasive coating (16) comprises a binder (15) formed from a cured b...
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WO/2000/064634A1 |
Provision of a rotatable abrasive disk having apertures permitting a view of a workpiece surface during the abrading process makes possible the incorporation of a condition sensing mechanism viewing the workpiece surface through the hole...
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WO/2000/064630A1 |
A method of grinding a surface of a glass workpiece is reported which includes (a) contacting a grinding layer of an abrasive article (10) with the surface of the glass workpiece, the grinding layer comprising a plurality of abrasive com...
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WO/2000/060650A1 |
A transparent window plate (31) is fitted in a hole made in a polishing pad (21). There is a distance a between the top of the transparent window plate (31) and the top serving as a polishing surface of the polishing pad (21). While poli...
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WO/2000/058053A1 |
A pad shaping tool (10) for shaping a polishing pad (36). The tool includes a disk (12) having a first side (14) and a second side (16) and at least two discontinuous pad shaping surfaces (18) located in spaced apart positions relative t...
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WO/2000/053372A1 |
The invention relates to a device (1) to which a tool (3) which is driven in a rotatory manner, especially a polishing or grinding instrument, can be detachably fastened. According to the invention, the device (1) can be optionally faste...
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WO/2000/047367A1 |
The present invention relates to a grinding tool for grinding buttons of a rock drill bit, a grinding cup, a grinding spindle and a method to mount the grinding cup on a grinding spindle. The grinding tool (10) comprises a rotatable grin...
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WO/2000/043180A1 |
A drill and drilling method which are used to drill a deep hole having a relatively small diameter, can drill the hole without froming a core, and also can machine the inner wall surface of the hole with high surface precision without ne...
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WO/2000/041850A1 |
The present invention provides an improved nonwoven abrasive product (30). The improved abrasive product has a porous, lofty web of multiple layers (41, 42, 43, 44) of coiled, autogenously bonded thermoplastic filaments (45), binder resi...
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WO/2000/038884A1 |
The invention relates to a rotating disk for machining material surfaces, comprising a disk-shaped base part (2) having a central recess (4) for receiving the drive shaft of the rotating disk. Around the recess (4) the faces of said base...
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WO/2000/038883A1 |
The invention relates to a rotating disk (2) for machining material surfaces, comprising a disk-shaped base part (4) which has a central hole (6); a first machining coating (12) which is subjected to wear by abrasion, has a cutting edge ...
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WO/2000/035634A1 |
Abrasive discs with spaced portions removed from the circumference in the form of rounded and elongated V-shapes provide, when in use, complete vision of a workpiece being abraded with reduced tendency to snag on obstructions.
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WO/2000/030809A1 |
A fan-like grinding wheel consists of a support plate. Lamellae which overlap one another are arranged in a fan-like or roof tile-like manner on the outer area of said support plate. In order to improve the grinding performance of such a...
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WO/2000/030812A1 |
This modular abrasive tool with radial swing (27) for rotary heads of smoothing machines for granite, marble, ceramic, resinous stone and the like, has a shape in the form of an angular sector (36, 37) tapered with converging inclination...
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WO/2000/029172A1 |
A back-up pad (10) for supporting an abrasive article. A preferred embodiment of the invention provides a back-up pad (10) having a dust collection groove (30), in which the engagement component (18) to said first major surface (14) of s...
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WO/2000/027590A1 |
The invention relates to a clamping device for grinding discs (3, 4) comprising clamping elements which are formed by a clamping flange (1) and a clamping nut (2). A rigid, preferably metallic intermediate ring (5) is arranged between a ...
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WO/2000/026609A2 |
The thickness of a layer on a substrate is measured in-situ during chemical mechanical polishing. A light beam is divided through a window in a polishing pad, and the motion of the polishing pad relative to the substrate causes the light...
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WO1999064205A9 |
An apparatus to generate an endpoint signal to control the polishing of thin films on a semiconductor wafer surface includes a through-hole (112) in a polish pad (109), a light source (117), a fiber optic cable (122), a light sensor (115...
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WO/2000/013868A1 |
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 during cutting operation so that those c...
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WO/2000/013852A1 |
The present disclosure relates to a polishing pad (20) inlcuding a pad structure having at least first and second polishing regions (22, 24, 26) defined along a polishing surface (36) of the pad structure. The first polishing region of t...
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WO/2000/013869A1 |
A diamond tool having segment type cutting tip for use in apparatus such as cutting saw machine, grinding wheel machine, and core drill machine, having a structure which cutting tip is able to produce cutting chips with relative large si...
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WO/2000/007772A2 |
The present invention relates to a tool for machining materials, mainly a grinding tool, wherein said tool comprises a body (11) as well as a plurality of machining areas (14) arranged on a leading circle of the tool body (11) and having...
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WO/1999/067036A2 |
A grinding wheel (28) that rotates around an axis and that has a working area consisting of a ring area with a circular arc profile is used to create a surface by initial grinding with the ring surface oriented at a first point in space ...
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WO/1999/054089A1 |
The invention relates to a grinding wheel comprising a support disc and an abrasive layer arranged on the periphery thereof. Said abrasive layer has a plurality of recesses which are distributed over the periphery. When viewed in a radia...
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WO/1999/051426A1 |
A process and apparatus for producing solid articles from loose particulate materials that are particularly useful in the production of green compacts used in sintering processes. A charge (30) is formed by charging a mass of loose parti...
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WO/1999/043466A1 |
The present invention relates to an abrasive article. The abrasive article of the present invention contains an abrasive layer, a polyurethane structure bonded to the abrasive layer and a substrate bonded to the polyurethane structure. T...
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WO/1999/042250A1 |
The present invention is a fixed abrasive article for grinding or polishing the surface of a glass workpiece. The abrasive article for grinding glass has abrasive composites containing a binder, an alkaline metal salt, and diamond abrasi...
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WO/1999/042251A1 |
The surface treating article and hub provide an improved mechanical interlock to each other. Preferably, the unitary surface treating article is molded to the hub.
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WO/1999/041040A1 |
The invention relates to a rubber hog disk with at least two different grinding segments and consisting of several rings. Each segment is located on a separate ring and the rings are detachably joined to each other.
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WO/1999/036225A1 |
A grinding disc (20) with a peripheral groove for grinding the edges of glass panes (11), whereby a cooling liquid is fed to the point of grinding (18). When the disc (20) is in a mounted position a lateral stop surface (8) fits closely ...
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WO/1999/028086A1 |
A resinoid grinding wheel comprising a dispersion of 25 parts by volume of Al¿2?O¿3?-base abrasive grains with grain size #150, 20 parts by volume of an organic hollow body with a mean grain diameter of 80 $g(m)m and 10 parts by volume...
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WO/1999/028088A1 |
A tool (10) including abrasive segments (14), which can be superabrasive segment, mounted to a mounting plate (20) and a method for making the same. The abrasive segments (14) include hard particles and are formed by sintering layers of ...
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WO/1999/024222A1 |
A backup pad for engaging and supporting abrasive sheets, the backup pad being mounted securely to a drive shaft to prevent relative rotation thereto, and to allow easy mounting and dismounting of the backup pad to the mounting shaft wit...
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WO/1999/024221A1 |
A surface treating article including a quick release fastener. The fastener includes a first end opposite the article, a second end adjacent the article, a tapered portion increasing in cross-sectional area in the direction from the firs...
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WO/1999/016583A1 |
The invention concerns an abrasive disk comprising a support perforated in its centre for being mounted, and whereof the working zone comprises at least an 'active' zone provided with abrasive means and at least a continuous 'inactive' z...
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WO/1999/002306A1 |
A machine tool, particularly for grinding workpieces, has a single rotatable spindle (2) carrying a fixed cup-shaped inner grinding wheel (8) and an axially slidable cup-shaped outer grinding wheel (22). A T-shaped annular piston (14) en...
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WO/1999/000217A1 |
An abrasive grinding or finishing device mounting assembly which includes a hub cap (18) which is retained upon the threaded spindle (14) of a power tool (10). A hub (26) is permanently affixed to the abrasive device without the use of a...
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WO/1998/057778A1 |
A grinding machine for grinding an inner race (38) of a constant velocity joint, which contains a grinding wheel (40) with a concentric peripheral surface of boron nitride, and a device for rotating the grinding wheel at a speed of at le...
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WO/1998/055265A1 |
A combined cutting and grinding tool comprising columnar diamonds (22) arranged so as to protrude from the surface of the tool and conductive bonding member (24) for integrally bonding the columnar diamonds (22) to the surface of the too...
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WO/1998/053955A2 |
A ring-shaped abrasive disc (1) has a series of tabs (3) around the disc (1) which are used to secure it to a backing plate (10), which includes slots (11) arranged around its periphery for receiving the tabs (2). The backing plate (10) ...
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WO/1998/050198A2 |
Cleaning and polishing automotive panels with a combination pad (8). A support (18) holds a circular replaceable, disposable cleaning/polishing pad (14) on a rotatable power tool. The pad is made of compressible/expandable foam. The pad ...
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WO/1998/050201A1 |
This invention provides polishing pad tiles which, by virtue of their geometry and surface features, can be arranged to form mosaic pads having channels at the seams which facilitate the flow of polishing fluid during polishing of a work...
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WO/1998/046413A1 |
A method of spin welding a fastener to an article and such an article. In a preferred mode, a method of spin welding a fastener to a surface conditioning treating article is disclosed. The fastener comprises a generally planar base inclu...
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WO/1998/045092A1 |
An abrasive tool (10) that contains abrasive particles (20) distributed in a predetermined pattern. Such a pattern is produced by fabricating two-dimensional slices (14, 16, 18) and assembling them. Abrasive particles (20) may be incorpo...
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WO/1998/041361A1 |
Segment body (10; 16) for cutting, said segment body including diamond particles that are embedded in a binder, said diamond particles and their binder being subjected on one hand to pressing and on the other hand to sintering. Segment b...
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WO/1998/035788A1 |
A vitrified diamond wheel with both excellent grinding ability and high impact resistance is disclosed. In an embodiment, the vitrified diamond wheel has a wheel-type iron shank and a vitrified layer provided on the top surface of the ir...
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WO/1998/030360A1 |
An abrasive body for grinding optical glass, precious and natural stones (marble) or other materials such as wood, metal, plastics or the like, consists of a base body (3) made of a woven, knitted or embroidered fabric made of carbon fib...
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WO/1998/030357A1 |
An abrasive body (13) for a grinding disk (11), a grinding wheel or the like for grinding optical glass, precious and natural stones (marble) or the like has a base body (16) made of a sintered hard material upon which a diamond coating ...
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WO/1998/026902A1 |
A wheel hub is provided for use in combination with conventional depressed center grinding wheels. The hub includes a generally cylindrical aperture bushing. A disc shaped flange extends radially from a medial portion of the bushing and ...
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WO/1998/025731A1 |
A grinding machine (10) for regrinding a housing of a constant velocity joint, which contains a grinding bit (140), a high speed spindle (22), a lubricating fluid injection system (341), and devices for moving the housing in the X axis, ...
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