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| Number | Title | Issue Date |
| 8007345 | Portable belt sander A portable belt sander having a drive pulley capable of being produced at a limited period. The sander includes a main body accommodating therein a motor, a drive shaft rotationally driven by the motor, a drive pulley coupled to the drive shaft, a driven shaft, and ... | 08/30/2011 |
| 7621800 | Belt grinding machine with a belt adjusting device A belt grinding machine with a belt adjusting device utilizes a screw to radially push an inclined surface of a push rod to make the push rod move axially to push rollers of the belt grinding machine, and thus the belt winding around the rollers can be adjusted. In ... | 11/24/2009 |
| 7422515 | Wide belt sander A wide belt sander has a base, a driving axle, a driving device, a driven axle bracket, a driven axle, a belt and an automatic adjustment device. The driving axle is rotatably mounted on the base and has a central axis. The driving device is mounted on the base and ... | 09/09/2008 |
| 7374470 | Knife sharpening apparatus A sharpening apparatus having at least one guide slot, a drive pulley drivingly coupled to a frame and at least one idler pulley rotatably coupled to a support member. The support member is pivotably coupled to the frame. The apparatus includes an endless abrading b... | 05/20/2008 |
| 7371158 | Plating removing apparatus for two-piece wheel To provide a plating removing apparatus for 2-piece wheels, which can easily and beautifully remove plating at the welding planned portion on the rim inner circumferential surface and achieves 2-piece wheels with rims plated without requiring any troublesome operati... | 05/13/2008 |
| 7322878 | Belt grinder and attachment for grinding pipe ends A belt grinder includes a motor, a driving disc, a contact disc, a grinding belt, and a housing, where the motor and the driving disc are moveable with respect to the contact disc in order to vary the distance between the axis of the contact disc and the axis of the... | 01/29/2008 |
| 7273410 | Guiding and pressing device for a belt sander A guiding and pressing device for a belt sander includes two triangular guiding blocks or sheet-like inclined guiding blocks, which are disposed at suitable positions on a front side frame of the sander and near to a circulating path of a sand belt. The two guiding ... | 09/25/2007 |
| 7238094 | Belt oscillating apparatus of belt sander A belt oscillating apparatus of a belt sander, wherein the belt sander includes a machine frame, a driving wheel, a driven wheel, a sand belt mounted on the driving wheel and the driven wheel, and the belt oscillating apparatus is mounted on the machine frame, compr... | 07/03/2007 |
| 7235002 | Method and system for making glass sheets including grinding lateral edge(s) thereof A method and system for making glass sheets is provided. At least one grinding wheel is provided for grinding a lateral edge of a glass sheet. An airbag and corresponding air pressure regulator are provided for biasing the grinding wheel against the lateral edge of ... | 06/26/2007 |
| 7090571 | Belt sander A belt sander includes a base, a sanding device, a worktable, a tipping drive device, and a swinging device. The swinging device includes a cylindrical roller, a central shaft, a toothed ring, a drive gear, a cam, and a fixing rod. The swinging device drives the san... | 08/15/2006 |
| 7090560 | System and method for detecting abrasive article orientation Systems and methods control abrading operations of an abrading machine by sensing characteristics of an abrading article installed on the abrading machine. When a problem is discovered by sensing the article, appropriate actions may be taken. As one example, the abr... | 08/15/2006 |
| 7090569 | Manual clutch device for a roller sander for controlling reciprocating movement of a roller A clutch device for a roller sand for controlling reciprocating movement of a roller includes a belt wheel, a connecting shaft and a adjusting button. The roller sander consists of a base, a motor set, a roller set and a linking device. The belt wheel is pivotally c... | 08/15/2006 |
| 7066787 | Substrate processing apparatus A substrate processing apparatus is used for removing surface irregularities occurring on a peripheral portion (a bevel portion, an edge portion, and a notch) of a substrate, such as a semiconductor wafer, and films deposited as a contaminant on the peripheral porti... | 06/27/2006 |
| 7063605 | Retaining ring for wafer carriers A long-lasting retaining ring for wafer carriers used in chemical mechanical planarization. A groove is disposed around the retaining ring, with the groove opening facing the mounting plate. A ridge is disposed in the groove. A bladder is disposed in the groove and ... | 06/20/2006 |
| 7052381 | Belt sander having tension adjustment mechanism A belt sander includes a frame, a support seat, a first wheel rod, a second wheel rod, a sand belt, an adjusting unit, and an operation unit. Thus, the operation handle of the operation unit is rotated to rotate the drive shaft which rotates the drive bevel gear whi... | 05/30/2006 |
| 7044844 | Shaping pulley assembly for belt notching machine A shaping pulley assembly (6) for a belt notching machine, including on a frame (1) a pair of driving and shaping pulleys (3, 4) for a grinding belt (5), includes a shaping pulley holder element (9) like a fork supported by the fra... | 05/16/2006 |
| 7008303 | Web lift system for chemical mechanical planarization Generally, a method and system for lifting a web of polishing material is provided. In one embodiment, the system includes a platen that has a first lift member disposed adjacent to a first side and a second lift member disposed adjacent to a second side. The platen... | 03/07/2006 |
| 6969299 | Razor blade sharpener An automatic razor blade sharpener simultaneously sharpens multiple edges of a spring-loaded disposable razor blade cartridge by gently contacting the blade edges with a moving rubber or polymeric compliant belt that is motor driven. The disposable razor blade handl... | 11/29/2005 |
| 6951511 | Platen with peripheral frame for supporting a web of polishing material in a chemical mechanical planarization system Generally, a method and apparatus for supporting a web of polishing material. In one embodiment, the apparatus includes a platen adapted to support the web, a frame assembly, and one or more flexures coupled between the platen and the frame assembly. The flexure all... | 10/04/2005 |
| 6939203 | Fluid bearing slide assembly for workpiece polishing A fluid bearing polishing apparatus for carrying a polishing member for chemical mechanical polishing includes a fluid supply and a fluid dispensing structure to support the polishing member. A method of polishing a workpiece includes supporting a polishing member o... | 09/06/2005 |
| 6929530 | APPARATUS FOR IN-SITU OPTICAL ENDPOINTING ON WEB-FORMAT PLANARIZING MACHINES IN MECHANICAL OR CHEMICAL-MECHANICAL PLANARIZATION OF MICROELECTRONIC-DEVICE SUBSTRATE ASSEMBLIES AND METHODS FOR MAKING AND USING SAME Polishing pads, planarizing machines and methods for mechanical and/or chemical-mechanical planarization of microelectronic-device substrate assemblies. The polishing pads, for example, can be web-format pads, and the planarizing machines can be web-format machines.... | 08/16/2005 |
| 6916232 | Apparatus for superpolishing the inside surface of a seam of a continuous photoreceptor belt Apparatus is provided for superpolishing the inside diameter surface of a seam of a flexible continuous photoreceptor belt. The apparatus includes (a) spaced apart support rollers for supporting the inside surface of the flexible continuous photoreceptor belt into a... | 07/12/2005 |
| 6855038 | Shaping pulley assembly for belt notching machine A shaping pulley assembly (6) for a belt notching machine, including on a frame (1) a pair of driving and shaping pulleys (3, 4) for a grinding belt (5), includes a shaping pulley holder element (9) like a fork supported by the fra... | 02/15/2005 |
| 6749492 | Rotary sanding machine with a dust collecting mechanism A rotary sanding machine includes a driven wheel coupled to a transmission shaft which is driven by a motor so as to actuate an emery coated belt for sanding. A barrier wall is disposed to hold back dust flying during sanding action to permit the dust to fall into a... | 06/15/2004 |
| 6726532 | Belt tensioning assembly for CMP apparatus A tensioning assembly for a polishing belt on a linear chemical mechanical polishing apparatus. The tensioning assembly comprises first and second rollers which are operably engaged by respective air cylinders and exert a selected degree of downward tension on the l... | 04/27/2004 |
| 6726545 | Linear polishing for improving substrate uniformity A linear polishing apparatus for polishing a semiconductor substrate including a novel polishing belt arrangement with at least two polishing belts forming a continuous loop. Each belt having an outside polishing surface and an inside smooth surface. The belts are s... | 04/27/2004 |
| 6663475 | Grinding apparatus A tool support device for use in a belt grinding apparatus (1), the apparatus including, a drive motor (60), a drive shaft (61) and an abrasive belt arranged to be driven by the drive motor, (60) the tool support device (10) including a primary carriage (... | 12/16/2003 |
| 6648737 | Contour sanding apparatus and kit A contour sanding apparatus for driving a sanding belt, the apparatus includes a body and a drive pulley rotatably attached to the body, the drive pulley comprising a drive-axle dimensioned for attachment to a source of rotation. A primary arm is fixedly ... | 11/18/2003 |
| 6629875 | Machine for grinding-polishing of a water edge The wafer edge processing unit may be a stand alone unit or may be incorporated in existing grinding machines. The processing unit employs a plurality of tapes which are coated with differing grades of grit to sequentially polish the edge of a rotating wa... | 10/07/2003 |
| 6612901 | Apparatus for in-situ optical endpointing of web-format planarizing machines in mechanical or chemical-mechanical planarization of microelectronic-device substrate assemblies Planarizing machines, planarizing pads, and methods for planarizing or endpointing mechanical and/or chemical-mechanical planarization of microelectronic substrates. One particular embodiment is a planarizing machine that controls the movement of a planar... | 09/02/2003 |
| 6561884 | Web lift system for chemical mechanical planarization Generally, a method and system for lifting a web of polishing material is provided. In one embodiment, the system includes a platen that has a first lift member disposed adjacent to a first side and a second lift member disposed adjacent to a second side.... | 05/13/2003 |
| 6544112 | Belt tracking adjustment means for belt type abrading machine A belt tracking mechanism for a belt using machine having a frame, a drive pulley, an idler pulley and a belt trained over the pulleys includes a support member for supporting the idler pulley for rotation about an axis fixed relative to the support membe... | 04/08/2003 |
| 6537142 | Belt adjusting device of belt sander A belt adjusting device of the belt sander comprises a seat on which a driving roller and a driven roller are pivotally mounted. A reduction gear set is mounted on the seat and is driven by a motor. The gear set is provided with a shaft rod capable of tur... | 03/25/2003 |
| 6503128 | Contour sanding attachment and method A grinding attachment for use in conjunction with hand-held grinding or drilling power tools such as are commonly found around the house, and method for using this attachment. The purpose of the invention is to allow the homeowner and the like to have gre... | 01/07/2003 |
| 6428394 | Method and apparatus for chemical mechanical planarization and polishing of semiconductor wafers using a continuous polishing member feed A method and apparatus are disclosed for chemically-mechanically polishing and planarizing semiconductors. An apparatus includes first and second rollers connected by a tension belt. A polishing member is releasably attached to the first and second roller... | 08/06/2002 |
| 6416385 | Method and apparatus for polishing semiconductor wafers A system and method for planarizing a plurality of semiconductor wafers is provided. The method includes the steps of processing each wafer along the same process path using at least two polishing stations to each partially planarize the wafers. The syste... | 07/09/2002 |
| 6312315 | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using An abrasive article including (i) a first backing, (ii) a plurality of protrusions attached to the first surface of the first backing and including a grinding aid, wherein the first surface of the first backing is contoured by the protrusions so as to def... | 11/06/2001 |
| 6186866 | Abrasive article with separately formed front surface protrusions containing a grinding aid and methods of making and using An abrasive article including (i) a first backing, (ii) a plurality of protrusions attached to the first surface of the first backing and including a grinding aid, wherein the first surface of the first backing is contoured by the protrusions so as to def... | 02/13/2001 |
| 6135866 | Grinding device for tools A grinding device includes a grinding member disposed on a base, and a board rotatably supported in the base at a shaft. An axle is rotatably secured in the board for supporting the tools. A spring is coupled between the base and the board for moving the ... | 10/24/2000 |
| 6126512 | Robust belt tracking and control system for hostile environment An automated tracking and control system measures the lateral displacement of a moving belt, using non-contact sensing. The displacement signal is provided to an algorithm that adjusts the tilts of the belt pulleys and steers the belt laterally. Non-conta... | 10/03/2000 |
