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Patent Searching and Data


Matches 151 - 200 out of 1,131

Document Document Title
WO/2002/055265A1
An abrasive article backup plate assembly (22) and grinder system having an abrasive article backup plate assembly (22) is disclosed. The abrasive article backup plate assembly (22) includes an abrasive article (40) having an abrasive su...  
WO2001087543A3
A colored 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 surface and includes side by side bicomponent spunbond fi...  
WO/2002/049805A1
An invention is disclosed for impoved performance in a CMP process using a pressurized membrane (312) and piezoelectric elements (702) as replacements for a platen (308) air bearing. In one embodiment, a platen form impoving performance ...  
WO/2002/049808A2
An expandable wheel (10) for supporting an endless abrasive belt. The present invention relates more particularly to an expandable wheel (10) for supporting an endless abrasive belt, which includes an hub (12) having an axis and a plural...  
WO/2002/049803A1
Apparatus and method for edging an ophthalmic lens (12) comprises a spindle (14) on which a lens is removably positioned and set rotating to engage with a web of abrasive material (16) which is secured at only one end thereof. The free e...  
WO/2002/039485A2
Generally, a method and apparatus for retaining polishing material is provided. In one embodiment, the apparatus includes a platen (230) having a top surface (260), a plurality of channels and one or more vacuum ports. The top surface is...  
WO/2002/034471A1
In a chemical-mechanical planarization apparatus (100), a pad spindle includes a pad chuck (500) operative for selective attachment and detachment of a polishing pad (540). The pad chuck (500) includes s a plurality of pivoting links (52...  
WO/2002/026446A1
A polishing device capable of polishing a repaired surface in a specified shape, comprising a polishing panel body holding a polishing material on a surface opposed to the repaired surface and polishing the repaired surface in the specif...  
WO/2002/009910A1
The invention is directed to an improved abrasive pad (15). In the preferred embodiment, the abrasive pad is comprised of an inner core (16) having an outer surface (19), a strip of abrasive material (18), the strip of abrasive material ...  
WO/2002/006010A1
A polishing device capable of smoothly polishing a painted surface by an easy operation, comprising a base member drivingly rotated by a drive device and having an installation surface orthogonal to the rotating shaft of the drive device...  
WO/2001/098032A1
A spiral wound abrasive belt (215) is formed from an abrasive media (210) including a plurality of webs. The webs of the abrasive media may include coated abrasives joined by splicing media or other suitable joining material. Alternative...  
WO/2001/096067A1
A rotary finishing tool (11), such as a buffing pad, utilizes a connector assembly for demountable attachment to a powered rotary backing plate (16). The finishing tool (11) is attached to the front face of a backing disc and the rear fa...  
WO/2001/087543A2
A colored 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 surface and includes side by side bicomponent spunbond fi...  
WO2000058055A9
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/2001/082353A1
A wafer outer peripheral chamfered part polishing device capable of polishing the outer peripheral chamfered part of a wafer by allowing a rotatably held wafer outer peripheral chamfered part to abut on a rotating cylindrical polishing d...  
WO/2001/076823A1
The invention relates to a receptacle for grinder tools, especially for a hand-held right angle grinder (10). The inventive receptacle comprises a carrier device (12, 14, 16, 182, 184, 300) by means of which an application tool (18, 32, ...  
WO/2001/076822A1
The invention relates to a grinding machine tool support, in particular for a hand operated angle grinder (10), with a drive device (12, 14, 16, 300), by means of which an additional tool (18, 32) may be operationally connected with a dr...  
WO/2001/072469A1
A surface finishing pad (1) for fitting to a base plate (2) of a surface- finishing machine. The surface finishing pad includes a retaining disc (4) for attachment to the base plate. The retaining disc contains engaging means (5) for eng...  
WO/2001/062436A1
In a polishing method for mirror finishing the peripheral chamfered part of a wafer using an abrasive cloth while supplying abrasive to the peripheral chamfered part in order to enhance the productivity of the polishing process by shorte...  
WO/2001/063655A1
A chemical-mechanical polishing device wherein an elastic member (16) disposed between a polishing pad (12) and a platen (14) has a hardness of 10 - 40 defined in JIS K6301 (A type) and a thickness of 5 - 30 mm. Further, the polishing pr...  
WO/2001/060566A1
A roll polishing device capable of polishing a roll installed in a paper making equipment at an operating position, wherein a guide rail (10) extending in parallel with the rotating shaft of the roll is provided over the roll (R), a runn...  
WO/2001/058771A1
A dispensing system is provided for two, constituent, fluent materials which are stored separately and then combined in a dispensing process to form a combination product. The dispensing system includes a container (30) having at least t...  
WO/2001/034346A1
Components of chemical, mechanical, polishing apparatus with components resistant to chemical attack by chemical slurries used in the polishing of semiconductor wafers. Among the components that are improved to enhance resistance to chem...  
WO/2001/033989A1
The invention relates to a method for producing the male component of a separable fastener, in which protrusions are formed on the whole base surface of the male component or on one or more part thereof to be attached with the female com...  
WO/2001/023141A1
A polishing pad for use with a polishing fluid has, a polishing layer (10), a window (30) in an opening (16) through the polishing layer, and a fluid impermeable layer (40) spanning across the polishing layer and the window and the openi...  
WO/2001/010590A1
A hand-powered sanding tool (10) utilizes a rigid sanding plate (20), such as one made of steel. The sanding plate has a plurality of material removal teeth (24) on at least one side for removing material from a workpiece, such as for sa...  
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/1999/065352A1
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/1999/065650A1
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/1999/024222A1
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/1999/024221A1
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/1999/021683A1
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...  

Matches 151 - 200 out of 1,131