Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 1,070

Document Document Title
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...  
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...  
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.  
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 ...  
WO/1995/019242A1
An abrasive sheet article is disclosed, including a substrate having first and second major surfaces, a coated abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The coated abrasive may com...  
WO/1995/013164A1
A coated fabric having a first surface engageable by hooks and a second surface having thereon a continuous coating of a synthetic polymeric composition. An example of a surface engageable by hooks is a surface having a plurality of loop...  
WO/1995/008418A1
The elastic base grinding-wheel for the smoothing and polishing of toroidal contours of hard materials comprises a rigid-material support body, which may also be divided into two parts (1A, 1B) along an equatorial plane in a substantiall...  
WO/1995/006544A1
Backing pads (11) adapted for attachment to a pressure plate (14) for machining workpieces with the outer exposed surfaces of the pad having been abraded to eliminate surface irregularities and to achieve a desired flatness on the surfac...  
WO/1995/000293A1
To this end, there is provided a linishing tool for reconditioning a camshaft integral bearing surface of a cylinder head including an elongate body (1) having an outer surface (2), at least a portion of the outer surface of the body bei...  
WO/1994/026468A1
Surface treating articles having varying degree of smear-resistance and their methods of manufacture are presented. One preferred article is characterized by an organic matrix substantially engulfed by a novel, tough, adherent elastomeri...  
WO/1994/023899A1
A rotary sander (1) comprises a drum (2) covered with a thin layer of foam (4) which supports a sheet (5) of abrasive material the ends (6, 7) of which extend through a radial slot (8) in the drum (2) into a circular recess (9). An alumi...  
WO/1994/017959A1
Holder for an abrasive disc or grinding disc containing a hollow, disc-shaped body (1), an elastic disc (2) situated in said body (1) and connected to the body (1) in such a way that they cannot rotate in relation to one another, a drive...  
WO/1994/008757A1
A polishing tool comprises a rotatable base plate (1) secured to a rotary tool such as a grinder and a plurality of polishing fabrics (2a, 2b, 2c, 2d and 2e), which are laminated on the undersurface of this base plate in the vertical dir...  
WO/1993/017833A1
A split abrasive roll is provided, including cooperative engaging members (3) disposed on both the rotatable shaft (2) of an abrasive machine and the inner surface of the roll member. The cooperative engaging members affix the center por...  
WO/1993/016843A1
A multi-piece sanding wheel (5) having two sanding members (7) mounted about peripheral portions of a disc-shaped support member (9) secured to a drive means (11). Each sanding member (7) includes a C-shaped backing portion (23) with a s...  
WO/1993/008955A1
The invention relates to a machining disc arrangement with a plate (1) of at least partially flexible material, preferably polyurethane foam, which can be secured in a drill, a right-angle grinder or the like by rotating it about its spi...  
WO/1993/003889A2
A sheet of coated abrasive material including a backing having abrasive on one surface and loops projecting from its other surface by which the sheet of coated abrasive material can be held by hooks on the support surface of a pad. The b...  
WO/1992/017353A1
Disclosed is a rotary buffer pad assembly (10) comprising a pan-like holder (12) to the outer surfaces of which a resilient pad (14) of foamed polyurethane is directly molded for better dynamic balance.  
WO/1992/013681A1
At each end of roller (3) there is a fastening device (6). Essential member of fastening and tensioning device is a bladder (9) which, set into pressure, provides, directly a twofold effect of fastening and distension, as shown by arrows...  
WO/1992/011115A1
Portable electric sander comprising a motor in which the central unit (1), the stator, is fixedly connected to a handle (5) by an arm (6), preferably with two legs (6A, 6B), one of which can be moved away from the stator. The peripheral ...  
WO/1992/006821A1
The invention relates to a rotary tool consisting of a drive hub (N) and an interchangeable tool sleeve (H), whereby the tool sleeve (H) can be connected solidly in rotation with the drive hub (N) and has projecting engagement means on i...  
WO/1992/006820A1
The invention concerns a hand tool (1) with an abrasive-disc carrier (3), in particular a carrier with dust-extraction ports (4). In order to ensure that discs (5) can be attached rapidly and precisely and can be stored safely, the inven...  
WO/1988/009707A1
The invention concerns a rotary belt tool for surface working which is much more versatile and effective than known tools but is nevertheless easy to handle, durable, safe, easily maintained, as well as compact and economical. The belt o...  
WO/1988/002679A1
A pneumatic wheel sander comprising a wheel (1) having an annular well (2) between two spaced apart radial flanges (3) to give a substantially H-shaped cross-section. A tyre (9) carrying two annular beads (10) configured to fit into two ...  
WO/1987/002924A1
Grinding with known grinders such as corner, belt, or vibratory grinders poses insoluble problems, such as the grinding of inner edges set at an angle to each other for example in retainer strips of window and door glasses. A portable gr...  

Matches 151 - 200 out of 1,070