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Patent Searching and Data


Matches 151 - 200 out of 1,094

Document Document Title
WO/2001/008850A1
A rotatable or stationary grinding disk is mounted on afixing device is comprised of two parts consisting of a body (1) and an exchangeable adapter fitted with a grinding surface (2) and releasably connected to said grinding disk (3).The...  
WO/2000/078506A1
The invention relates to a fiber-reinforced rotationally symmetrical tool holder (7), a production method and a grinding tool. The tool holder (7) can be detachably connected to a rotational drive mechanism and has a tool support surface...  
WO/2000/066327A1
The invention describes an abrasive system comprising a fiber-backed abrasive disc (1) and a backup pad (11) in which the backup pad (11) has spaced portions (12) removed from the circumference such that the disc (1) overlaps in the area...  
WO/2000/058055A1
A method and apparatus for facilitating the removal and replacement of polishing pads utilized in the process of polishing and planarizing workpieces such as semiconductors where the polishing machine employed includes a rotatable platen...  
WO/2000/053371A1
The present invention provides a dual purpose workpiece handoff station (22) for intermediately staging a semiconductor wafer (21), or other workpiece, being transferred between processing stations in, for example, a Chemical-Mechanical ...  
WO2000032353A3
A machine for abrading or polishing a workpiece (5) comprises a holding surface holding the workpiece, a head member (7) arranged along a rotation axis to rotate about the rotation axis, a working member (8) having a surface for abrading...  
WO/2000/038885A1
A system and method for attaching an abrasive article to a backing pad is provided. The system (10) includes a backing pad (20) including loop-textile material (24) applied to an attachment surface (26) thereof and an abrasive article (3...  
WO/2000/035634A1
Abrasive discs with spaced portions removed from the circumference in the form of rounded and elongated V-shapes provide, when in use, complete vision of a workpiece being abraded with reduced tendency to snag on obstructions.  
WO/2000/032353A2
A machine for abrading or polishing a workpiece (5) comprises a holding surface holding the workpiece, a head member (7) arranged along a rotation axis to rotate about the rotation axis, a working member (8) having a surface for abrading...  
WO/2000/029172A1
A back-up pad (10) for supporting an abrasive article. A preferred embodiment of the invention provides a back-up pad (10) having a dust collection groove (30), in which the engagement component (18) to said first major surface (14) of s...  
WO/2000/013854A1
The present invention relates to a support (4-7) for temporary fixation of a self-sticking abrasive and/or polishing sheet (2) comprising an adhesive layer (3), said support (4-7) comprising a surface for receiving the sheet (2), where t...  
WO/2000/007771A1
A polishing method and a polishing device that are designed such that the in-plane pressing force between a work and an abrasive cloth is substantially uniform to improve the quality of the work. A surface plate (2) is supported on the g...  
WO/1999/067057A1
A pneumatic hand grinding tool has a supporting plate (11) and a compressed-air pipe (4) to be connected to a source of compressed air for driving the supporting plate. The supporting plate (11) has a flat surface to which an abrasive sh...  
WO/1999/065650A1
A dispenser and method for attaching abrasive sheets to a backup pad. The dispenser conveniently centers on the backup pad and abrasive sheet that is larger than the backup pad. In a preferred embodiment, the dispenser comprises: a holde...  
WO/1999/065352A1
A loop material suitable for use with a hook-and-loop fastening system, wherein the loop material includes a first fibrous nonwoven web having a first surface and a second suface and includes carded sheath-core bicomponent staple fibers ...  
WO/1999/024221A1
A surface treating article including a quick release fastener. The fastener includes a first end opposite the article, a second end adjacent the article, a tapered portion increasing in cross-sectional area in the direction from the firs...  
WO/1999/024222A1
A backup pad for engaging and supporting abrasive sheets, the backup pad being mounted securely to a drive shaft to prevent relative rotation thereto, and to allow easy mounting and dismounting of the backup pad to the mounting shaft wit...  
WO/1999/021683A1
The invention relates to plate tool formed as a multi-layer device having a quick-engaging element, provided with a work surface, comprising a substrate. The plate tool according to the present invention is also suitable for fastening to...  
WO/1999/011431A1
The invention relates to a device and a method for treating a polishing pad, especially a polishing cloth for polishing wafers. The inventive device has a treatment disk which is mounted on a carrying device. Said treatment disk has a ba...  
WO1998053955A3  
WO/1998/055266A1
The invention relates to a grinding tool, specially for hand-held oscillating devices, comprising a tool body attached to the oscillating device and to which abrasive paper (3) is fixed in a manner known per se in such a way that it can ...  
WO/1998/053955A2
A ring-shaped abrasive disc (1) has a series of tabs (3) around the disc (1) which are used to secure it to a backing plate (10), which includes slots (11) arranged around its periphery for receiving the tabs (2). The backing plate (10) ...  
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 ...  
WO/1998/048977A1
Rolls (2) provided with a rubber layer are used in grinding machines (1). According to the present invention this layer consists of a number of sector-like units (9), the lower end of each unit (9) being inserted in a groove (3) in the s...  
WO/1998/043779A1
A surface treating article and a system for retaining the article on a back-up pad using a retainer. The retainer and surface treating article are configured to allow the surface treating article to be conveniently removed without use of...  
WO/1998/038369A1
A loop material suitable for use in a hook-and-loop fastening system, which loop material includes a bonded carded web having a first side and a second side. The bonded carded web has a basis weight of from about 15 to about 140 grams pe...  
WO/1998/030359A1
An attachment means for attaching a sheet-formed abrasive and/or polishing means to a magnetized support, said attachment means comprising a ferromagnetic base layer and an external adhesive layer to which the abrasive and/or polishing m...  
WO/1998/019829A1
An abrasive article is formed from a lofty nonwoven abrasive pad and one or more abrasive sheets. Each sheet has an abrasive layer on its front side and a plurality of engagement stems on its back side. Enough of the engagement stems eng...  
WO/1998/019830A1
An abrasive article is formed from a lofty nonwoven abrasive pad and one or more abrasive sheets. In one embodiment, each sheet has an abrasive layer on its front side and a plurality of engagement stems on its back side. Enough of the e...  
WO/1998/003308A1
To provide a compact disk holder which is superior in strength and at the same time can completely fit in existing covers. A disk holder (1) including an internal threaded portion (15) into which is able to be screwed an external threade...  
WO/1997/038824A1
A profiled, soft cushined roller (14) is provided with an outer profiled abrading surface (15) that conforms to and rides on a contoured substrate surface (21) during an abrading operation. A soft roller (14) usually in the form of a sof...  
WO/1997/038825A1
An abrasive belt is formed by releasably-attaching a length of abrasive material (10) to an endless backing belt (11). The ends (12A, 12B) of the length of abrasive material are preferably shaped so that they interlock.  
WO/1997/038814A1
A rotating sanding accessory comprises a mandrel (2) with a rubberhead (4) and a sanding cap (6) fitted to the rubberhead (4). The rubberhead (4) has longitudinal peripheral slots (10) that allow the rubberhead (4) to be compressed withi...  
WO/1997/035688A1
A method for manufacturing a sweeper or abrasive element (2) is disclosed. The abrasive element (2) is manufactured from a U-shaped plastic profile (3), in the aperture of which abrasive lamellae (6), supporting bristles (7) and heat-dis...  
WO/1997/033718A1
A back-up pad for supporting and releasably engaging an abrasive article. The back-up pad comprises: a body including a front surface and a back surface in which the front surface comprises a first attachment component thereon and the ba...  
WO1997010925A3  
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...  
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...  
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...  
WO/1997/018924A1
A back-up pad for supporting an abrasive article having projecting hooking stems. The back-up pad includes a support member and an engaging means provided on a major surface of the support member for releasably engaging the hooking stems...  
WO/1997/010925A2
An automatic polishing machine (14) for polishing aircraft windows (12) uses pressurized air to create a suction to hold the polishing unit (20) on the aircraft (10), creates a suction to automatically pick up a polish pad (196), which i...  
WO/1996/020812A1
The invention concerns a grinding or polishing wheel comprising a turntable (10), on which a grinding or polishing cloth can be placed, and a shaft (20) which can be clamped in a drive chuck, in particular of a hand drill or handywork ma...  
WO/1996/014964A1
Coated abrasive materials can be made from a backing material andabrasive elements which comprise abrasive particles adhered to a rigid base material, said elements being rigidly adhered to the backing material in a predetermined pattern.  
WO1996005941A3  
WO/1996/011771A1
The roller and belt assembly (10) for mounting on a spindle or drive shaft (20) comprises a closed loop belt (42) having an inner surface (50) and an outer surface (40), the inner surface (50) having an engaging material (52) thereon, an...  
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...  
WO/1996/005941A2
A dust collection system for a power tool which comprises a drive unit, a body, a tool support, and a collection chute. The body defines an inlet opening and a discharge opening, the body having a communicating conduit located within the...  
WO/1995/029039A1
A separation type grinding surface plate (11) comprises a surface plate body (12) connected to a drive of a grinding apparatus directly or through a water cooled jacket or the like, and a disk (13) for grinding which is adapted to rotate...  
WO/1995/025451A1
A rotary brush assembly (30) for treating a surface has a circular disk (44) having a generally flat first side and a second side. A plurality of elongated fibers (43) are individually attached to the first side of disk and positioned ge...  
WO/1995/021729A1
System for fixing replaceable abrasive discs (20) to the plates (10) of rotating dressing equipment (18), pins (14, 16) having been placed on the sides of the plates (10) and tongue-shaped radial pieces (24, 26), with a hole in each, on ...  

Matches 151 - 200 out of 1,094