| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 451488000 | VENTILATION OR COOLING OF TOOL OR TOOL SUPPORT | 22 |
| 20080318503 | SUBSTRATE HOLDING MECHANISM, SUBSTRATE POLISHING APPARATUS AND SUBSTRATE POLISHING METHOD - A substrate holding mechanism, a substrate polishing apparatus and a substrate polishing method have functions capable of minimizing an amount of heat generated during polishing of a substrate to be polished and of effectively cooling a substrate holding part of the substrate holding mechanism, and also capable of effectively preventing a polishing solution and polishing dust from adhering to an outer peripheral portion of the substrate holding part and drying thereon. The substrate holding mechanism has a mounting flange, a support member | 12-25-2008 |
| 20090011693 | STRUCTURE OF CUTTING TIP AND SAW BLADE INCLUDING THE STRUCTURE - Disclosed is a saw blade capable of rapid cutting for various objects, such as jewelry, ferrite materials, stone, metallic materials, or ceramic tiles. The shape of the saw blade is modified such that performance and life time of the saw blade are improved. And also the manufacturing process for the saw blade is simplified, thereby reducing the manufacturing cost for the saw blade. The cutting tip is formed at upper and lower surfaces thereof with a mesh pattern, thereby enhancing the cutting performance by 30% as compared with that of a conventional cutting tip. The cutting tip represents superior cooling efficiency so that body of the saw blade is not broken during the cutting process, thereby ensuring safety of a worker and expanding the life time of the saw blade. The life time of the cutting tip is controlled by adjusting the content of diamond powder contained in the segment on the basis of hardness of a metal bond, regardless of the chemical composition and composition ratio of the metal bond contained in the segment. The cutting tip is suitable for various objects to be cut and the saw blade having the cutting tip is easily fabricated according to applications thereof, so that the manufacturing process for the saw blade is simplified and the manufacturing cost for the saw blade is significantly reduced. | 01-08-2009 |
| 20110136420 | HEAT DISSIPATING ARCHITECTURE FOR MACHINE TOOLS - A heat dissipating architecture for a machine tool is provided. The machine tool includes an accommodating space, a tool shaft mounted in the accommodating space, a counter balancing mass having a first balancing portion and a second balancing portion mounted on the tool shaft for causing an eccentric rotation stroke of the tool shaft, and an inlet communicating with the accommodating space. The heat sink is mounted on the counter balancing mass. The heat sink includes a first blade portion corresponding to the first balancing portion, a second blade portion corresponding to the second balancing portion, and a linking portion for connecting the first and second blade portions, such that during the rotation stroke of the tool shaft, the heat sink inhales air via the inlet, transmit the air from the first blade portion to the second blade portion, and then exhausts the air from the second blade portion. | 06-09-2011 |
| 20120071072 | DEVICE FOR ABRASIVE MACHINING - A device for abrasive machining, comprising a substantially cup shaped to rough rotatable around an axis and having an inner chamber and a disk-shaped to working element at its one axial end; and immovable holder attachable to a machine to and surrounding at least a portion of said working element at an opposite axial end at a distance therebetween so as to form a passage for passing a cooling liquid; and a helical guiding means provided in said passage so that during rotation of said tool inside said holder the cooling liquid is supplied through the substantially helical guide into said inner chamber of said tool toward said working element. | 03-22-2012 |
| 20120225615 | ABRASIVE DISC FOR A MULTIPLE DISC GRINDING MACHINE, IN PARTICULAR FOR PROCESSING STONE AND LIKE MATERIALS, AND A GRINDING MACHINE INCLUDING SAID DISC - An abrasive disc for a multiple disc grinding machine is described, including a disc-shaped support having a circumferential rim on which the abrasive material is placed and an opposing central hole for fitting on to a driving shaft of the grinding machine, said hole extending through the thickness of the disc-shaped support, in which a portion of said central hole has a diameter greater than the diameter of the connection to said shaft, such that an annular chamber is formed in the thickness of the support. The further disc includes at least one radial recess formed on a front surface of the disc-shaped support and extending from said annular chamber towards the circumferential rim of said disc, in such a way that a coolant fluid fed into the driving shaft can accumulate in said annular chamber and can then flow through said radial recess towards the abrasive edge of said disc. | 09-06-2012 |
| 20120276824 | SURFACE TREATING APPARATUS AND METHOD - A back-up apparatus for use with a surface treating apparatus can include a back-up plate having a pad attachment face and a back-up pad having a first pad face and a second pad face. The back-up apparatus can also include a porous interface layer. The interface layer can include an outer face. The back-up apparatus can also include a layer of a first adhesive on the outer face and extending into the interface layer, and a layer of a second adhesive provided on the layer of the first adhesive. The second adhesive can be selected to releasably adhesively bond to an abrasive sheet. The first and second adhesives can be selected such that the adhesive bond between the first adhesive and the second adhesive is stronger than the adhesive bond between the second adhesive and the abrasive sheet. | 11-01-2012 |
| 20120282848 | METHOD AND APPARATUS FOR MULTIPLE CUTOFF MACHINING OF RARE EARTH MAGNET BLOCK, CUTTING FLUID FEED NOZZLE, AND MAGNET BLOCK SECURING JIG - In a method for multiple cutoff machining a rare earth magnet block, a cutting fluid feed nozzle having a plurality of slits is combined with a plurality of cutoff abrasive blades coaxially mounted on a rotating shaft, each said blade comprising a base disk and a peripheral cutting part. The slits in the feed nozzle into which the outer peripheral portions of cutoff abrasive blades are inserted serve to restrict any axial run-out of the cutoff abrasive blades during rotation. Cutting fluid is fed from the feed nozzle through slits to the rotating cutoff abrasive blades and eventually to points of cutoff machining on the magnet block. | 11-08-2012 |
| 20120302147 | AIRFOLW ARRANGEMENT FOR A POWER TOOL - The present invention is directed to an airflow generation and particle dispersion arrangement for a power tool (e.g., an angle grinder). The arrangement includes a motor, an airflow generation assembly, and a particle dispersion assembly. The airflow generation assembly includes a fan driven by the motor. When engaged, the driven fan generates an airstream that is drawn through the power tool. The particle dispersion assembly includes a passive fan that is not driven by the motor, but instead is driven by the airstream. In operation, the passive fan generates centrifugal and mechanical forces sufficient to remove particles from intake air passing through the particle dispersion assembly. | 11-29-2012 |
| 20130052922 | GRINDING TOOL - Disclosed is a grinding tool, which includes a first disk having an installation hole in a center portion thereof such that the grinding tool is installed on a grinder, a second disk forming a discharge passage with partitions on a bottom surface of the first disk, wherein air intaken from a central lower portion of the grinding tool is discharged to an outside thereof through the discharge passage, and a ring-shaped shank disposed under the second disk and including grinding tips to grind a target. | 02-28-2013 |
| 20130196579 | STRUCTURAL UNIT - A structural unit, in particular a grinding wheel has a hole pattern for sucking away swarf from a machining surface. The hole pattern has at least three recesses which are arranged essentially along a first spiral line. The hole pattern also has at least three further recesses which are arranged essentially along a second spiral line which intersects the first spiral line in a region of at least one recess. | 08-01-2013 |
| 20130196580 | POLISHING PAD OF POLISHING SYSTEM - A polishing pad of a polishing system is mountable to a polishing plate and has a predetermined channel pattern so as to allow a polishing liquid supplied from a polishing liquid supplier to move on a polishing surface. The channel pattern has at least two kinds of patterns. | 08-01-2013 |
| 20130210325 | Holding Body for Flexible Grinding Means, and Grinding System - A holding body includes a fastening layer which has a fastening surface configured to fasten a flexible grinding device. The fastening layer includes an air- and dust-permeable material and is substantially full-surface. The fastening layer includes a textile material. The holding body also includes a supporting body which has a supporting surface configured to support a holding surface of the fastening layer. The supporting body is air- and dust-permeable and includes an open-cell foam. A grinding system includes such a holding body and such a flexible grinding device. | 08-15-2013 |
| 20130260655 | GRINDING WHEEL - A grinding wheel includes: a disc member; and an annular grindstone member fitted on an outer peripheral surface of the disc member, wherein the disc member has a fluid-supply hole formed therethrough from a first side surface to a second side surface thereof, wherein the fluid-supply hole has an outlet opening through an outer peripheral portion of the first side surface; and an inlet opening which is open through the second side surface and which is disposed at an inner position of the outlet opening in a radial direction of the disc member, and wherein the second side surface is formed with an outer peripheral wall which is disposed at an outer position of the inlet opening in a radial direction of the disc member and projects along an outer peripheral portion of the disc member. | 10-03-2013 |
| 20140235148 | PERIPHERAL WHEEL FOR MACHINING THE EDGES OF SLABS - A peripheral wheel for machining the edges of slabs, comprising an internal wheel body, to be fixed to a spindle or other machine, and an external abrasive ring, which is adapted to work in contact with an edge of a slab, the abrasive ring being composed of at least two portions that have respective abrasive surfaces having different abrasive capacities—one polishing with respect to the other; the portions of abrasive ring being juxtaposed with respect to each other with surfaces that extend at least partly transversely with respect to the axis of rotation of the peripheral wheel. | 08-21-2014 |
| 20140323020 | GRINDING AND POLISHING TOOL - A grinding tool includes a shank having an axis, and at least two abrasive portions mounted directly to and in contact with the shank without a hub therebetween. Each of the abrasive portions has a substantially identical profile formed therein. | 10-30-2014 |
| 20140329448 | GRINDING WHEEL - A grinding wheel, including a base and a grinding ring disposed on the base. The grinding ring includes a grinding face including water outlets passing through the grinding ring. Each water outlet communicates with a corresponding water channel disposed inside the base and the water channels are connected to a water inlet. The number of the water outlets in an arc length on the grinding face is more than zero, where the arc length is between one and three times the contact line length between the grinding ring and a workpiece during grinding. The grinding face is a special-shaped grinding face comprising a non-entity processing region and an entity processing region. The water outlets are the non-entity processing region configured for washing, and a remaining part of the special-shaped grinding face is the entity processing region for grinding. | 11-06-2014 |
| 20150056898 | Retaining Body for Flexible Grinding Means, Grinding System and Grinding Tool - A retaining body for a grinding structure, in particular a grinding wheel, includes a fixing layer with a fixing surface. The fixing surface has a fixing structure configured to fix a flexible grinding structure, and includes a support body with a support surface. The support surface supports a fixing layer retaining surface that lies opposite the fixing surface, and is connected to the retaining surface. The support body is air- and dust-permeable, and includes an air- and dust-permeable material. The fixing layer is configured such that the fixing surface is substantially air- and dust-permeable in a direction that runs substantially perpendicular to the fixing surface, and such that an air flow can pass from the fixing surface through the fixing layer in a substantially perpendicular manner relative to the fixing surface. | 02-26-2015 |
| 20150093974 | FLOW-BYPASSING STRUCTURE OF GRINDING TOOL AND GRINDING TOOL HAVING THE SAME - The present invention relates to a flow-bypassing structure and a grinding tool having the same. The main body has an intake passage and an exhaust passage. A cylinder is disposed in an interior of the main body and has an air inlet communicated with the intake passage and an air outlet communicated with the exhaust passage to form an airflow pathway. A rotor is disposed in the cylinder, and a rotational axle base is rotatably disposed though the cylinder and in a rotational cooperative relationship with the rotor. An end of the rotational axle base is extended and formed with a rotational working portion outside the cylinder. The surroundings of the rotational working portion define a space. A flow-bypassing passage is communicated with the airflow pathway and the space, and an end of the flow-bypassing passage is open toward the space. | 04-02-2015 |
| 20150093975 | FLOW-BYPASSING STRUCTURE OF GRINDING TOOL AND GRINDING TOOL HAVING THE SAME - A flow-bypassing structure and a grinding tool having the same are provided. A main body of the grinding tool has an intake passage and an exhaust passage. A cylinder is disposed in an interior of the main body and has an air inlet communicated with the intake passage and an air outlet communicated with the exhaust passage to form an airflow pathway. A rotor is disposed in the cylinder, and a rotational axle base is rotatably disposed though the cylinder and in a rotational cooperative relationship with the rotor. An end of the rotational axle base is extended and formed with a rotational working portion outside the cylinder. The surroundings of the rotational working portion define a space. A flow-bypassing passage is communicated with the airflow pathway and the space, and an end of the flow-bypassing passage is open toward the space. | 04-02-2015 |
| 20150328746 | PROCESSING DISK FOR PROCESSING A SUBSTRATE - A processing disk ( | 11-19-2015 |
| 20160008958 | A METHOD TO PROVIDE AN ABRASIVE PRODUCT SURFACE AND ABRASIVE PRODUCTS THEREOF | 01-14-2016 |
| 20160114464 | GRINDING WHEEL ARBOR - A skate blade sharpening system includes a blade retention mechanism that holds a skate blade to be sharpened, and a rotating shaft configured to have a grinding wheel mounted on it, where the grinding wheel contacts the skate blade during sharpening. An arbor on the rotating shaft is of a heat-conducting material and has a heat-conducting mating with the grinding wheel when the grinding wheel is mounted on the rotating shaft. The arbor includes a set of vanes contributing to fan-like air flow about the arbor and grinding wheel for convective heat dissipation during the sharpening operation. | 04-28-2016 |
