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| Number | Title | Issue Date |
| 8113923 | Chamfering tool and drum sander A device for chamfering and sanding is disclosed. The device comprises a cylindrical body containing a hollow cone lined with sandpaper attached to the surface of the cone with adhesive. Two corners of the sandpaper are inserted respectively into two slots contained... | 02/14/2012 |
| 8105134 | Low pressure polishing method and apparatus An improved low pressure low speed concrete polishing apparatus and method of cleaning and polishing a floor is used with a conventional rotary flooring machine. A polishing pad has interchangeable polymer strips that are slideably received within the housing of the... | 01/31/2012 |
| 8052506 | Method, system, and apparatus for modifying surfaces The present disclosure is directed to method, apparatus, and system for uniformly supporting flexible surface modifying articles during surface modification as well as enabling replacing and repositioning thereof for improving their useful service life as well as im... | 11/08/2011 |
| 7927193 | Backup assembly for a sanding device A back-up assembly for a sanding device, where the back-up assembly includes a driving disk rotating around a rotational axis, rigid segment plates, a flexible pad layer positioned between the rigid segment plates and the driving disk, and semi-flexible wedges locat... | 04/19/2011 |
| 7901274 | Rotary finishing wheel A rotary tool for surface machining has a disk having an elastomeric outer periphery, an array of angularly spaced elastomeric teeth projecting radially and each having a formation forming a hinge so that the tooth can flex at the hinge. ... | 03/08/2011 |
| 7731573 | Method, system, and apparatus for modifying surfaces The present disclosure is directed to method, apparatus, and system for uniformly supporting flexible surface modifying articles during surface modification as well as enabling replacing and repositioning thereof for improving their useful service life as well as im... | 06/08/2010 |
| 7434289 | Polisher brush having wire-shaped grinding elements In the manufacture of a brush-shaped grindstone (3), embedding holes (310) are formed in a grinding element holding surface (311) of a holder (31) in mutually separated positions. A base end side of a plurality of wire-shaped grinding ele... | 10/14/2008 |
| 7377018 | Method of replacing a subpad of a polishing apparatus A subpad support for use in a web format or belt format polishing apparatus for polishing one or more layers of semiconductor device structures. The subpad support includes a subpad retention element for nonadhesively securing the subpad thereto. The subpad support ... | 05/27/2008 |
| 7361078 | Subpad support with releasable subpad securing element and polishing apparatus A subpad support for use in a web format or belt format polishing apparatus for polishing one or more layers of semiconductor device structures. The subpad support includes a subpad retention element for non-adhesively securing the subpad thereto. The subpad support... | 04/22/2008 |
| 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 shaft of a grinding machine and equipped with at least one substanti... | 04/15/2008 |
| 7351132 | Flap wheel, in particular flap wheel for satin finishing systems for pipes or for sheet metal and method of producing the same A flap wheel (1) for satin finishing systems for pipes or for sheet metal, includes a plurality of radial flaps (2) fixed to the hub (3) of the flap wheel (1) by coupling elements integral with the hub (3) of the flap wheel (1 | 04/01/2008 |
| 7347771 | Flap-type rotary finishing device A rotary finishing device including a generally circular hub having an inner periphery and an outer periphery. The outer periphery includes a plurality of slots formed thereabout, which are defined by a pair of side portions. The plurality of slots are generally uni... | 03/25/2008 |
| 7313838 | Powered cleaner/polisher A motorized cleaning/polishing device includes a housing and a carrier with a detachable cleaning/polishing attachment. The housing contains a rechargeable battery, motor and flex mount having flexible pillars to which the carrier is mounted. The carrier is also cou... | 01/01/2008 |
| 7303662 | Contacts for electrochemical processing Systems and methods for electrochemically processing. A contact element defines a substrate contact surface positionable in contact a substrate during processing. In one embodiment, the contact element comprises a wire element. In another embodiment the contact elem... | 12/04/2007 |
| 7303464 | Contact wheel A composite contact wheel, grinding assemblies comprising the same, and methods of abrading cylindrical workpieces using coated abrasive belts. ... | 12/04/2007 |
| 7278908 | Polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular A polishing disk for a tool for the fine machining of optically active surfaces on spectacle lenses in particular is disclosed, which comprises a support body, to which a foam layer is attached, wherein a polishing film bears against the foam layer. The polishing fi... | 10/09/2007 |
| 7273412 | Abrasive wheel with improved composing structure An abrasive wheel with improved structure comprises: an abrasive component, an adapting ring received by the combining hole in the central region of the abrasive component, two covers which are posited about both mounting surfaces respectively, wherein each cover at... | 09/25/2007 |
| 7264536 | Polishing pad with window A polishing layer of a polishing has a window member with a top surface positioned a predetermined distance below the polishing surface. A transparent layer can be positioned below the polishing layer and supporting the window member. ... | 09/04/2007 |
| 7241408 | Method of fabricating polishing pad having detection window thereon The present invention provides a method of fabricating a polishing pad having a detection window thereon. A mold having a cavity therein and a transparent thermosetting plastic part that is incompletely hardened are provided. The transparent thermosetting plastic pa... | 07/10/2007 |
| 7223165 | Abrasive pad for a manual grinding machine An abrasive pad for a manual grinding machine, in particular for an eccentric grinder, has a flat contact surface (13) on which an abrasive sheet is placed, and attachment means located on the contact surface (13) for creating an adhesive connection wi... | 05/29/2007 |
| 7223164 | Optical surface-finishing tool An optical surface-finishing tool includes a rigid support (4) having a transverse end surface (13); an elastically-compressible interface (5) which is applied against the end surface (13) such as to cover same; and a flexible buffer (... | 05/29/2007 |
| 7204742 | Polishing pad comprising hydrophobic region and endpoint detection port The invention provides a chemical-mechanical polishing pad comprising a polishing layer comprising a hydrophobic region, a hydrophilic region, and an endpoint detection port. The hydrophobic region is substantially adjacent to the endpoint detection port. The hydrop... | 04/17/2007 |
| 7198551 | Substrate polishing apparatus A chemical mechanical polishing apparatus includes a rotating plate on which a substrate received, and a polishing pad which moves across the substrate as it rotates on the plate to polish the substrate. The load of the pad against the substrate, and the rotary spee... | 04/03/2007 |
| 7169025 | Grinding tool for a grinder with rotary oscillating drive Disclosed is a grinding tool for a grinder comprising a rotary oscillating drive, the output shaft of which is driven so as to oscillate back and forth about its longitudinal axis and is configured for securing the grinding tool thereon. The grinding tool comprises ... | 01/30/2007 |
| 7169028 | Flexible finishing shoe A flexible finishing shoe for finishing a workpiece have a bearing surface and an adjacent side, the flexible finishing shoe comprising a shoe base having a first side and an opposing second side and a finishing body disposed between the first and second sides, the ... | 01/30/2007 |
| 7144314 | Sanding rope and applications thereof A disposable sanding device is fabricated as a continuous rope-like article which is adapted for selective segmentation and application as a plurality of serially arranged disposable hand sanding devices or ropes. Each hand sanding device is formed as a generally el... | 12/05/2006 |
| 7131900 | Grinding wheel in combination with a grinding ring A combination between a grinding ring and a grinding wheel is disclosed, wherein the grinding ring has a centrally defined hole, a tubular extension extending from a periphery defining the hole, an annular extension extending from an outer periphery of the tubular e... | 11/07/2006 |
| 7131902 | Abrasive holder An abrasive tool comprising of a base portion (2), having a foam layer (3) affixed to the abrasive tool base portion, and a plastic film layer (4) affixed, bonded or glued to the foam layer. This tool is adapted to receive an abrasive material l... | 11/07/2006 |
| 7128640 | Drum for drum sander for surface mounting of sandpaper blanks A powered floor sanding system with a rotating sanding drum having a drum core, to which is adhered a compliant sole and thereto a hook component material, using suitable adhesives; in combination with a sanding sheet having a loop fabric laminated to its backside w... | 10/31/2006 |
| 7125477 | Contacts for electrochemical processing Systems and methods for electrochemically processing. A contact element defines a substrate contact surface positionable in contact a substrate during processing. In one embodiment, the contact element comprises a wire element. In another embodiment the contact elem... | 10/24/2006 |
| 7125327 | Scraper for refurbishing windscreen wiper blades A scraper for refurbishing windscreen wiper blades has a frame with an outer periphery, at least one trimming groove defined in the outer periphery of the frame, and at least one scrubbing material respectively received inside the at least one trimming groove. The t... | 10/24/2006 |
| 7121924 | Abrasive articles, and methods of making and using the same An attachable abrasive article comprises an abrasive member having an attachment device affixed thereto. The attachment device comprises a fastener having a flange thereon. Thermoplastic material is disposed between the flange and the abrasive article. The disclosur... | 10/17/2006 |
| 7112270 | Algorithm for real-time process control of electro-polishing Method and apparatus for process control of electro-processes. The method includes electro-processing a wafer by the application of two or more biases and determining an amount of charge removed as a result of each bias, separately. In one embodiment, an endpoint is... | 09/26/2006 |
| 7107684 | Blade sharpening for electric shavers Apparatus, kits, and methods for sharpening electric shavers having rotary and reciprocating-type cutting members are disclosed. A sharpening apparatus in accordance with an exemplary embodiment of the present invention may include an applicator tray or other applic... | 09/19/2006 |
| 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 |
| 7094138 | Grinding disc structure A grinding disc structure including an integrally formed main disc adapted to a dust-sucking cover body of a grinder. The main disc has multiple through holes nearly in parallel to an axis of the main disc. The main disc is further formed with multiple internal pass... | 08/22/2006 |
| 7094140 | Abrasive sanding surface An abrasive sandpaper system having a backing plate (16) with a canted outer periphery (28) and an off-centered aperture (26) for interlocking with lugs (18) of a power driver (12). The sandpaper (30) has a canted outer peri... | 08/22/2006 |
| 7090572 | Polishing pad, polishing apparatus having the same, and bonding apparatus A plurality of projections and grooves are formed on a polishing member. The grooves are formed in grid pattern. A portion on which the grooves and the projections are formed (polishing portion) has a substantially circular shape in a plane view. Around the polishin... | 08/15/2006 |
| 7083508 | Belt sander A belt sander comprising a first roller (34) a second roller (38) and a casing (28), characterised in that the casing (28) is located between the first roller (34) and the second roller (38). ... | 08/01/2006 |
| 7081046 | Sanding machine supporting removable side extensions A joint compound sanding machine imparting an oscillating motion on an abrasive within a sanding plane and on a removable abrasive extension comprises a hand held housing and an oscillating base. The base is coupled to the hand held housing by a motor. The base comp... | 07/25/2006 |
