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WO/1999/046077A2 |
A wire saw has a small diameter metal wire and a layer of abrasive grains firmly affixed to the wire surface by a brazed or soldered active metal bond. Preferably, the grains are present in a single layer. The grains are disposed on the ...
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WO/1999/043491A1 |
The present invention provides an abrasive material (50) comprising a base surface having a plurality of pyramidal shapes protruding therefrom the base surface and the protrusions (52) being formed of the same material, each protrusion (...
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WO/1999/039876A1 |
A cylindrical, abrasive grinding wheel having a cylindrical abrasive region with an abrasive surface at an outer circular band thereof. The abrasive region includes layers of abrasive particles. The layers of abrasive particles can be ti...
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WO/1999/039875A1 |
A grinding wheel (10), e.g. for use in grinding glass, has an outer periphery of abrasive material (13) secured to a body portion (12) made of a lightweight material.
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WO/1999/028084A1 |
A method and apparatus for polishing and planarizing workpieces such as semiconductor wafers is presented. Conditioning rings, which are used to condition polishing pads used in the planarization or polishing of semiconductor wafers, are...
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WO/1999/028089A1 |
A polymeric foam finishing pad (10) is made by attaching a dense array of individual foam members (11) to a suitable support substrate (14). The member (11) may be individually attached to the substrate (14) or attached to the substrate ...
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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/1999/028087A1 |
A porous grinding stone for improving bonding power between super-abrasives and a binder, atritious wear characteristics of the binder during grinding and properties of the grinding stone, comprising super-abrasives as abrasives and meta...
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WO/1999/024203A1 |
The invention relates to a composite honing ring comprising a honing part and a carrier part, whereby both components are made of of different materials and can contain plastic resins in particular. The invention is characterised in that...
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WO/1999/019116A1 |
An abrasive article comprising an abrasive fabric comprising a fabric having discrete areas of electro-deposited metal extending on or therethrough and having abrasive material embedded in the metal, a layer of adhesive, and a backing su...
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WO/1999/016582A1 |
The film with an embedded grained layer comprising at least two layers with different melting points, at least one of them being thermoplastic and grained material is embedded in the top thermoplastic layer having a lower melting point. ...
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WO/1999/014016A1 |
Abrasive slurries, abrasive articles made from the abrasive slurries, and method for the production of the abrasive articles are disclosed. The abrasive slurries and abrasive articles made therefrom comprise at least two grades of abrasi...
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WO/1999/011434A1 |
A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the h...
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WO/1999/003642A1 |
The present invention provides a method of making sheet articles, for example, abrasive articles, retroreflective articles (such as traffic signs), pavement marking articles, or traction or non-skid articles. The method includes passing ...
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WO/1999/002309A1 |
A flat substrate polishing and polishing pad conditioning head for a chemical-mechanical-planarization apparatus is provided which has been shown to double the useable life of a polishing pad used to planarize and/or polish both oxide an...
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WO/1999/000218A1 |
The invention relates to a flexible abrasive body with a flexible support. This support has a layer of flexible substrate with a first surface-covering metal coating on one side. A second metal coating, in which an abrasive material is a...
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WO/1998/058769A1 |
An abrasive article is provided that includes a bond system formed from a binder precursor and about 15 % by weight or less of a wax-containing modifier. An abrasive article that includes the bond system exhibits an increase of workpiece...
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WO/1998/053956A1 |
A low-density abrasive article comprising a nonwoven web and a multiplicity of abrasive particles which are bonded to the nonwoven web by means of an adherent binder. Abrasive particles useful in the present invention have particle sizes...
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WO/1998/052717A1 |
A rotary foam buffing pad (10) is provided with a concave working face which allows the operator to provide true graduated surface contact in applying polish, buffing or glazing compounds, while containing the polishing compound against ...
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WO/1998/051448A1 |
A 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...
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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/1998/035784A1 |
A wire-saw used for cutting an electronic or optical material and its manufacturing method. Abrasive grains (3) whose particle diameters are not less than 2/3 of the thickness of a resin bonding layer (5) and not larger than 1/2 of the d...
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WO/1998/035789A1 |
A method of manufacturing a flexible abrasive member, comprises the steps of: providing a porous substrate, impregnating the substrate with an electrically isolating material, treating a side of the impregnated substrate so as to provide...
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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/1998/030356A1 |
An innovative method of manufacturing polishing pads using photo-curing polymers (14) and photolithography. The photolithography enables the creation of useful surface patterns not possible with conventional machining techniques and enab...
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WO/1998/030358A1 |
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, treating the formulation ...
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WO/1998/029217A1 |
The present invention relates to a method and an article for rapidly polishing a glass workpiece surface using a structured abrasive article including cerium oxide particles dispersed in a binder. The abrasive article for rapid polishing...
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WO/1998/028108A1 |
A new method for manufacturing a porous polishing pad by implanting metallic or polymeric filings as pore former on a backing cloth/film inside an electric and/or magnetic field, coating the pad polymer onto the implanted filings and, th...
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WO/1998/027568A1 |
A diamond grit surface is formed on a substrate (1) having a metal surface (2), such as of nickel, by applying a paste (4) of low-grade diamond grit in a binder to the surface. After driving off the binder, the diamond coated surface is ...
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WO/1998/021009A1 |
An abrasive body, in particular a grinding wheel, is made of sintered ceramics and characterised in that the abrasive body is a composite body with at least one previously sintered element sintered together with a ceramic material, in pa...
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WO/1998/016347A1 |
A semiconductor substrate polishing pad dresser adapted to be brought into sliding contact with a surface to be polished of a semiconductor substrate polishing pad and thereby subject the polishing pad to a conditioning operation, the dr...
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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/1998/010895A1 |
Abrasive cutting and grinding wheels which are resin bonded and reinforced with glass fiber nets, and which obligatory contain one part of abrasive in the form of abrasive lumps obtained by cold treatment of remains of resin bonded grind...
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WO/1998/010897A1 |
A molded bonded abrasive grinding wheel adapted for relatively rough grinding operations is provided with a plurality of protuberances spaced in a predetermined pattern along the peripheral surface thereof and extending substantially ort...
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WO/1998/008655A1 |
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 fai...
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WO/1998/004385A1 |
An efficient method for manufacturing bonded abrasive articles comprises the use of elongated abrasive grain having a length to cross-sectional width aspect ratio of at least 5:1 to yield abrasive articles which are highly permeable to t...
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WO/1997/048763A1 |
The present invention is directed to compositions for use as additives in the automotive industry, which compositions contain waste powder prime and a plasticizer selected from the group consisting of 2-ethylhexyl diphenyl phosphate, dii...
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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/1997/036835A1 |
A foamed glass article for preparing surfaces, the use therefor, and a method of making same are provided. The foamed glass article is in the form of a block, disk or similar product, and is used for preparing surfaces such as by sanding...
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WO/1997/033719A1 |
A method of preparing an abrasive article, and the article produced therefrom is provided. The method includes the steps of: providing a backing having a first major surface; coating the first major surface of the backing with a tie coat...
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WO/1997/027029A1 |
A process for the manufacture of an abrasive brush of the convolute type, laminate type, flap type or the like is described with an abrasive brush made by such a process. The process comprises the steps of providing a flexible and compre...
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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/1997/019786A1 |
A surface conditioning article comprising an organic matrix engulfed by water based organic binders. The organic binders include a first binder comprised of a phenolic resin and carboxylated butadiene-acrylonitrile copolymer latex and a ...
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WO/1997/009469A1 |
A process for producing diamond dressers by electro-plating nickel (76) onto diamonds (71) adhered to a graphite mould (70) includes the step of agitating the electrolyte and apparatus for producing such diamond dressers includes means f...
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WO/1997/009174A1 |
A polycrystalline diamond layer (27) is bonded to a cemented metal carbide substrate (21) by this process. A layer of dense high shear compaction material (27) including diamond or cubic boron nitride particles is placed adjacent to a me...
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WO/1997/005991A1 |
An improved star head sanding assembly (10) for sanding on the peripheral edges of the individual abrasive discs (31). The discs are provided with radially arranged non-parallel skip cuts (38), and are devoid of radial cutout sections to...
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WO/1997/005990A1 |
A method of making a flexible coated abrasive belt comprising the steps of: mounting an endless, spliceless backing loop substrate having an exposed front surface and a back surface tautly on a peripheral surface of a temporary support s...
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WO/1997/004921A1 |
Uncured molded abrasive articles having low volatile organic chemical content are prepared using water as a temporary binder. The abrasive articles preferably contain a uniformly coated abrasive grain comprising a novolac resin having 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/1996/037644A2 |
Undrawn, tough, durably melt-bondable, macrodenier, thermoplastic, multicomponent filaments, such as sheath-core and side-by-side filaments, comprising a first plastic component and a second lower-melting component defining all or at lea...
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