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| Number | Title | Issue Date |
| 7828633 | Sanding element The invention concerns a sanding element with a succession of overlapping lamellas (3, 4) comprising sanding grains (9), characterized in that these lamellas (3, 4) are alternately formed of sanding lamellas (3) and compressible lamellas ... | 11/09/2010 |
| 7727056 | Sanding element The invention concerns a sanding element with a succession of overlapping lamellas (3, 4) containing sanding grains (9), characterized in that these lamellas (3, 4) are alternately formed of sanding lamellas (3) and compressible lamellas ... | 06/01/2010 |
| 7281537 | Multi-station block-texture modifying system and block-spacer Disclosed herein is a block-texture-modifying apparatus for modifying the surface texture of blocks. The apparatus comprises a support for supporting blocks thereon, a multi-station block-texture modifier for engaging blocks on the support, and a translational displ... | 10/16/2007 |
| 7192339 | Grinder disc, insert holder and insert assembly A grinder disc, insert holder and insert assembly including a grinder disc with a plurality of grinder insert holders for grinder inserts for grinding and the like. The assembly includes a grinder insert holder having a holder case with a hollow interior an open end... | 03/20/2007 |
| 7090562 | Methods of and apparatus for pre-planarizing a substrate Methods and apparatus are provided to provide a substantially uniform layer thickness above a wafer contour as the wafer rotates and is traversed past a pre-planarization tool. The tool has a shank defining an axis of rotation, and a planarization member coupled to ... | 08/15/2006 |
| 7056201 | Cylindric drum with sanding elements The invention concerns a cylindric drum for a sanding/polishing tool which in its drum surface is provided with a number of undercut axial grooves for mounting one or more axially displaceable sanding elements, where an annular groove has been provided either in the... | 06/06/2006 |
| 6919087 | Pharmaceutical compositions comprising amlodipine maleate An amlodipine maleate pharmaceutical composition is provided with good stability when formulated with a pH within the range of 5.5 to 7, when measured as a 20 wt % aqueous slurry. The stability can also be aided by making the pharmaceutical composition from amlodipi... | 07/19/2005 |
| 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 periphery and/or on the faces, and comprises a support body on which said... | 03/15/2005 |
| 6855045 | Tube surface cleaning device A tube cleaning device having a pair of jaws pivotally mounted on a frame and having opposed abrading surfaces defining an abrasion cavity, a mandrel fixed to the frame and extending axially thru the cavity for slidably receiving a tube end to be cleaned, spring str... | 02/15/2005 |
| 6295687 | Buff section assembly and method of making An assembly of buff or brush wheels with or without spacers is stacked, compressed, and held together as an integrated unit to form an assembly of such wheels having a specified face width which then may be mounted as a unit on a machine arbor or drive sh... | 10/02/2001 |
| 6254467 | Device for deburring workpieces, in particular moulded parts and castings made of plastics, rubber or the like The invention concerns a device for deburring workpieces, in particular moulded parts and castings made of plastics, rubber or the like, said device comprising a rotatable shank (1) and linear tool elements (5, 6) which, in the axial direction, extend coa... | 07/03/2001 |
| 6106370 | Pipe cleaning and burnishing tool and method The pipe cleaner attachment includes a housing, a shuttle, and a shuttle guide. The housing has a closed end, an open end, a key and two brush levers and brush pad guide slots. The shuttle guide is a rod clamped in a bore through the closed end of the hou... | 08/22/2000 |
| 6066034 | V-shaped flap disc abrasive tool A flap disc for surface finishing a V-shaped work piece. The disc includes a backing plate and a plurality of abrasive flaps that are mounted on first and second sides of the backing plate. The abrasive flaps are radially disposed on the backing plate, ea... | 05/23/2000 |
| 5983434 | Rotary bristle tool with preferentially oriented bristles A rotary bristle tool having a backing with a plurality of bristles extending therefrom. The bristles have a cross section and preferential orientation to control deflection during rotation of the tool. One embodiment is well suited for refining the insid... | 11/16/1999 |
| 5899795 | Multi-function pipeline weld removal apparatus A pipeline and tubular structure renovation apparatus facilitates rapid and economical removal of protrusions into the interior of pipelines and other tubular structures, particularly gas pipelines having excess weld or devices such as nipples, etc. The a... | 05/04/1999 |
| 5758531 | Peening article with peening particles arranged to minimize tracking A peening particle support having a plurality of asymmetrically arranged peening particles positioned to minimize tracking on a workpiece. The peening particles are attached to an exposed surface of the peening particle support. The peening particle arran... | 06/02/1998 |
| 5727995 | Rotary peening tool A surface preparation tool for peening and removing a coating from a work surface, the tool including a rotating hub which retains a plurality of peening flaps with peening particles attached at one end. The peening particles impact the work surface as th... | 03/17/1998 |
| 5722881 | Flap wheel An abrasive wheel is partially defined by a support member and by a plurality of abrasive flaps on such member. A hole is disposed centrally in the support member to receive a mandrel for rotating the wheel. The support member has at its radial periphery ... | 03/03/1998 |
| 5619877 | Peening article with peening particles arranged to minimize tracking A peening particle support having a plurality of asymmetrically arranged peening particles positioned to minimize tracking on a workpiece. The peening particles are attached to an exposed surface of the peening particle support. The peening particle arran... | 04/15/1997 |
| 5487293 | High intensity peening flaps with fastener, and wheels incorporating same A fastener for use with a rotary peening flap to secure at least two overlapping strap portions together. The fastener includes a shaft for extending through apertures in the overlapping strap portions, a head adjoining one end of the shaft, and an elasti... | 01/30/1996 |
| 5383245 | Roller brush for sweeping machine with cassettes having metal reinforced mounting plate A device at cassettes (3) for spring members (4) for a machine proposed i.e. for removing of rubber rests and ice from runways for aircrafts, at which the cassettes (3) are arranged around the periphery on a rotatable roller (1) and extending mainly in th... | 01/24/1995 |
| 5207032 | Rotary finishing tool and adapter A machine for finishing eccentric shafts includes a flow-through quick change arbor with axially spaced radial ports. Hollow adapter hubs are spaced along the shaft in register with the ports. Axial spacing is obtained with cylindrical spacers and discs o... | 05/04/1993 |
| 4955165 | Pipe tapering device A pipe tapering device adapted to receive the outer peripheral marginal end of a tubing or pipe therewithin and to grind a circumferentially extending taper on a marginal end of a pipe. The apparatus is particularly suited for forming a taper on the outer... | 09/11/1990 |
| 4874046 | Groove cutter for concrete bores The invention relates to improvements in rotary groove-cutting tools of the type having a rotatable center shaft and two or more generally arcuate flyweight subassemblies mounted for rotational movement with the center shaft, each such subassembly when th... | 10/17/1989 |
| 4835912 | Abrasive wheel A support disc preferably has an annular periphery, a central opening and a pair of substantially parallel side surfaces. Abrasive packs are disposed on the periphery of the disc in spaced relationship to one another. Each pack is formed from a stack of t... | 06/06/1989 |
| 4821545 | Installation for the detensioning of expanded tubes, particularly in a heat exchanger Detensioning of expanded tubes is brought by way of an installation using a rotopeening method. The tool is constituted by a cage moved along a helical path centered on the axis of the tube to be treated. The cage supports in rotary manner a shaft, whose ... | 04/18/1989 |
| 4713952 | Tool and method for rotopeening the peripheral tubes in a tubesheet An improved apparatus and process for rotopeening metallic conduits of limited accessibility, such as the peripherally located heat exchange tubes around the tubesheet of a nuclear steam generator, is disclosed herein. The bowl-like inner wall which lies ... | 12/22/1987 |
| 4615152 | Cylinder hone A rotary cylinder hone includes an elongate drive shank connected to a carrier arm holder which supports a plurality of arm assemblies having abrasive units carried at the ends thereof. Each arm assembly has a pair of flanges formed at the end opposite th... | 10/07/1986 |
| 4441349 | Method of making a cast iron sealing ring A method of providing a cold-worked sealing surface on the annular face of an annular seal ring is disclosed. The seal ring is mounted in a rotatable holder with the annular face exposed. While the holder is rotated, a work tool with a plurality of shot-i... | 04/10/1984 |
| 4184223 | Sweeper bristle element A sweeper bristle element adapted for use on a railway roadbed or track cleaner employing a rotating drum with element support means. The sweeper bristle element is comprised of a solid elastomeric stem preferably made of 80 durometer rubber. The stem ext... | 01/22/1980 |
