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WO/1998/023409A1 |
A tool quill (10) for carrying out superfinish polishing of a fuel injector needle tip (26) to insure proper sealing of a fuel injector has a universal joint (30) which allows tilting of a polishing stone (24) during the finishing operat...
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WO/1998/022260A1 |
An abrasive tool for cutting extremely abrasive-resistant materials includes a novel, abrasive segment with a generally crenelated, rectangular appearance. The segment has a single piece vein of a primary abrasive and first bond material...
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WO/1998/017438A1 |
In a surface polishing apparatus wherein a plurality of grindstones having bolt insert holes are placed on a fixed lapping board via a base so that the working surfaces of the grindstones form the same plane, the surfaces, to which the g...
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WO/1998/016348A1 |
A surface grinding apparatus comprising a plurality of grindstones attached via a mounting plate to a lap in such a manner that the working surfaces of the grindstones are in the same plane to rub an object to be ground. The grindstones ...
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WO/1998/014307A1 |
A superabrasive tool such as a superabrasive grinding wheel (101; 102), a superabrasive dresser (103; 104; 105), or a superabrasive lap plate (106) has a steel base (20) and a superabrasive layer (10) formed on the base (20). The superab...
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WO/1998/008651A1 |
A conditioning device having (200) cubic boron nitride cutting elements (205) brazed-bonded to the bottom surface of the device and suitably adopted for conditioning a workpiece polishing pad by moving across the pad while in contact wit...
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WO/1998/002279A1 |
An elastomeric mount or band is provided for circumferential placement about a bonded abrasive segment of the type generally used to form a segmented grinding wheel assembly of a rotary surface grinder. The band serves to cushion the seg...
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WO/1997/047434A1 |
A flexible abrasive member comprises a porous layer which carries deposits with embedded abrasive particles, said deposits being separated from each other. The deposits are arranged and shaped in such a way that they are mutually interlo...
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WO/1997/043092A1 |
An abrasive tool for cutting, drilling, milling or the like, including a diamond grain positioning structure (2) attached to the circumference of a holder (6). A skeleton with open pores (12) in the outer surface thereof is provided in s...
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WO/1997/039866A1 |
An attachment for a rotary drive tool such as an angle grinder or a drill is provided in the form of an elongate bit adapted at one end (1) to be attached to the drive tool. The other end (3) forms a raking portion and is provided with a...
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WO/1997/037814A1 |
A tool for grinding and polishing objects of varying geometric shape comprises a carrier (1) having a member (3) for connection to a driving unit imparting a movement thereto and a grinding member (4) provided with a grinding surface (5)...
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WO/1997/029885A1 |
According to the present invention there is provided a method of making a cutting insert with a hole for clamping to a tool holder wherein a superhard abrasive material is sintered and simultaneously bonded to a sintered cemented carbide...
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WO/1997/027028A1 |
A grinding machine (10) for several ball cages (132). The machine (10) contains a grinding bit (140), a multiple cage holder (20) in which several cages (132) are disposed so that the centers of the windows (212) of the cages are vertica...
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WO/1997/021521A1 |
Accessories for an angle grinder include a disposable rotary sanding disk having quite large shaped ventilating/viewing apertures, for use with a resilient backing plate also having shaped ventilating apertures. The apertures of one or b...
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WO/1997/021520A1 |
Accessories for an angle grinder include a resilient backing plate for use with an abrasive disk having shaped ventilating and viewing apertures. The apertures of the backing plate correspond to those on the disk and are shaped so that s...
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WO/1997/020662A1 |
An abrasive article back up pad having a resilient, open cell polyurethane foam formed as the reaction product of a polyether polyol and an aromatic polyisocyanate, such as an aromatic polyisocyanate including methylene diphenyl diisocya...
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WO/1997/014538A1 |
Accessories for an angle grinder include a rotary disk tool having a working zone around the periphery of the disk comprising a plurality of wire bristles and a rest means for supporting the grinder on a surface to be shaped. The rest me...
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WO/1997/014537A1 |
Accessories for an angle grinder include a tool comprising a rotary disk having releasably attached to its surface, an annular attachment having a cutting or abrading, ("shaping"), surface, and rest means in a rest zone for supporting th...
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WO/1997/007935A1 |
To improve an abrasive wheel of the type described in such a way that it can be economically produced and give better grinding results, it is proposed that harder grinding surfaces be formed in at least part of the grinding surfaces of t...
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WO/1997/006921A1 |
A pad is provided for use on a machine for the polishing of silicon wafers which allows the use of optical detection of the wafer surface condition as the wafer is being polished. This is accomplished by constructing the entire pad or a ...
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WO/1996/040474A1 |
Textured indentations in the cutting surface of the core of a cutting tool are designed to accommodate a single layer of superabrasive grain. The superabrasive grain contained in these textured indentations is thereby oriented during met...
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WO/1996/033045A1 |
The present invention relates to a grinding cup (10) and a wear part (12) for grinding of cutting inserts of a rock drill bit. The grinding cup (10) is provided to be rotatably mounted in a grinding machine. The grinding cup (10) is prov...
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WO/1996/029179A1 |
A composite, polymer bonded abrasive wheel is disclosed for grinding operations and especially for use with multiple station, glass beveling machines. The abrasive wheel breaks in quickly and delivers consistent performance with little o...
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WO/1996/026811A1 |
A flexible abrasive member comprising a backing layer to which a t one side an attachment is mounted and to which at the other side deposits are adhered consisting of abrasive particles and bonding material, such as a resin, wherein a pe...
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WO/1996/023627A1 |
The present invention relates to improvements in devices for use as grinding cups (30) for grinding the hard metal pins or working tips of drill bits and more specifically, but not exclusively, for grinding the tungsten carbide cutting t...
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WO/1996/020069A1 |
Segmented cutting tools such as core drill bits and diamond saw blades can be made more efficient by hardening a portion of the sides of each of the segments.
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WO/1996/020070A1 |
The invention pertains to abrasive wheels comprising an outer abrasive zone (1) of abrasive grain and organic or inorganic bonding material therefor and, in contact therewith, an abrasion-inactive zone (2) to contain fastening means, in ...
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WO/1996/015874A1 |
The present invention relates to a grinding cup (10; 10'; 10") that is intended to be mounted in a grinding machine. The grinding cup (10; 10'; 10") carries out grinding of buttons of a rock drilling bit. The grinding cup (10; 10'; 10") ...
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WO/1996/015878A1 |
a compounding element for use with a rubbing compound in the finishing of a working surface. The compounding element has a buffing surface and a resiliently deformable skirt around the perimeter of the buffing surface and projecting beyo...
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WO/1996/015877A1 |
A compounding element for use with a rubbing compound in the finishing of a working surface. The compounding element has a buffing surface and a resiliently deformable skirt around the perimeter of the buffing surface and projecting beyo...
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WO/1996/007508A1 |
A grinding/polishing cover sheet for placing on a rotatable grinding/polishing disc (3) consists of a thin foil (1), to which a coating (2) of a hard composite material has been applied through a stencil with or without an associated ser...
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WO/1995/034802A1 |
Equipment for the grinding of material samples, for instance the grinding of a rock sample assembled on a microscope slide includes a console and a frame structure (1) with a turntable (3) which is arranged to hold a number of material s...
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WO/1995/033607A1 |
A saw blade (1) is provided which includes an inner collar (2) separated from an outer collar (18) with a resilient isolated layer (14). The inner collar (2) fastens to the arbor shaft (10) of a driving motor, while the outer collar (18)...
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WO/1995/031311A1 |
The present invention is related to an abrasive tool comprising a core and abrasive segments attached to said core wherein said abrasive segments comprise a bond material and superabrasive grains and wherein said segments comprise at lea...
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WO/1995/029788A1 |
Accessories for an angle grinder include a rotary disk cutting tool (2204, 2207) and rest means in a rest zone for supporting the grinder on a surface (2200) to be shaped. The rest means may be a non-rotating nose (2205) beneath the grin...
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WO/1995/027593A1 |
Abrasive grinding wheels comprising an organic binder and reinforcing metallic fibres. Preferably, said fibres are glass metallic strips. The wheels of the invention have a long service life and are conductive.
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WO/1995/027594A1 |
The invention concerns a cup-type grinding wheel for grinding the surfaces of small workpieces, the wheel consisting of a main body (1) and a fine-grinding ring (2) which is rigidly attached to the main body (1) and surrounds the main bo...
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WO/1995/000295A1 |
An abrasive article (10) having a patterned abrasive surface is provided. In accordance with the present invention, the article comprises a substrate (12) having a first side. A plurality of raised portions (20) are positioned on the fir...
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WO/1995/000290A1 |
The present invention relates to a method for supplying cooling medium to a grinding cup (10; 10'; 10") for grinding buttons of a rock drilling bit. The invention also relates to a grinding cup (10; 10'; 10") to carry out the method. In ...
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WO/1994/026470A1 |
A polishing tool component comprises a carrier and a plurality of spaced abrasive elements located in a surface of the carrier. Each abrasive element presents a working surface having a perimeter which is circular, polygon or of like non...
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WO/1994/020264A1 |
Previously known articles for polishing stone are not durable. In accordance with the present invention, a method of polishing stone and durable article for use in the method are presented in which the stone has at least one exposed surf...
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WO/1994/017956A1 |
The process involves optimizing the load conditions for the machined surfaces of the components, selecting and applying the optimum permissible specific force applied to the tool in the light of the relative thickness of the machined com...
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WO/1994/015750A1 |
A honing tool is fitted with hone assemblies (2, 3, 4, 5, 6) secured to a sliding component. An abrasive stick (6) is mounted on an articulated joint (4). The axis (0') of rotation of the articulated joint (4) is situated on/in the work ...
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WO/1994/007110A1 |
In a process of selectively removing material from an exposed layer carried by a substrate, a technique for determining endpoint by monitoring the intensity of a radiation beam that is passed through the substrate and any intervening lay...
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WO/1994/002285A1 |
A pivoting polishing block assembly (6) comprises a torsion arm (18) having a molded polishing block joined thereto in pivoting relation about the central axis of the torsion arm (18). The molded polishing block (6) comprises a polishing...
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WO/1993/025348A1 |
A disposable cut-off wheel for mounting on a rotatable threaded spindle which may be used with a power tool. The cut-off wheel includes a central aperture which contains a threaded nut having a flange at one end non-removably secured the...
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WO/1993/025346A1 |
This invention relates to a vibration dampening grinding cup (1) for handheld grinding machines for the grinding of hard metal buttons on button bits, comprising a grinding head (2) and a shaft (3) made with a common axial channel (4) fo...
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WO/1993/012912A1 |
The present invention provides a backing for a coated abrasive article. The backing of the invention addresses problems of previously known backings for coated abrasives. The backings used previously are typically made of paper, cloth, v...
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WO/1992/014580A1 |
A machine for regrinding grooves of a constant velocity universal joint workpiece (91) is disclosed. This machine preferably contains a chuck mechanism (33) for holding the various workpieces of the constant velocity universal joint, an ...
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WO/1992/009395A1 |
A tool for producing crown wheels by means of a generating process comprises a disc which is rotatable about its axis, with machining elements which are provided on the periphery thereof and the cutting edges of which lie in the outer su...
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