Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7011867 | α-alumina coated cutting tool A coated cutting tool is composed of one or more layers of refractory compounds of which at least one layer is single-phase α-alumina with a pronounced columnar grain-structure and strong texture in the [300]-direction. The alumina layer is preferably deposited by ... | 03/14/2006 |
| 6948891 | Drilling tool set, drilling tool and indexable drill bit therefor A drilling tool set includes a plurality of drilling tools having different operative drill diameters to blast drill holes of different respective diameters. Each drilling tool of the set has a basic body defining a central axis of rotation, and two replaceable inde... | 09/27/2005 |
| 6948889 | Tool and cutting insert for chip removing machining A tool intended for chip removing machining includes a holder and a cutting insert which have respective connecting surfaces arranged to engage each other and define an interface. A ridge having a tapering cross-sectional shape is formed in one of the connecting sur... | 09/27/2005 |
| 6942431 | Rotatable cutting tool with a fine-adjustment mechanism for a cutting insert A rotatable cutting tool, e.g., a milling cutter, includes a rotatable base body and a cutting insert, which in addition to two opposite side surfaces has front and rear end surfaces. For axial fine-adjustment of the cutting insert, a set screw is arranged that is l... | 09/13/2005 |
| 6929432 | Drilling tool and indexable drill bit A drilling tool includes a basic body defining a center axis of rotation and having two chip channels and two replaceable indexable cutting bits in the form of a center bit and a periphery bit mounted in respective center and periphery pockets formed in an axially f... | 08/16/2005 |
| 6926472 | Tool for chip removing machining and rotatable cutting insert for such tools A cutting tool includes a basic body having a insert seat and a rotatable cutting insert mounted on a connecting surface of the seat. The insert includes a chip cutting top side, a bottom side and an outer peripheral side, whereby there is a cutting edge in the area... | 08/09/2005 |
| 6916138 | Vibration dampened drilling tool A drilling tool includes a drill body having chip channel formed therein and carrying cutting inserts at front ends of respective chip channels. Disposed in the chip channels at a location spaced from the cutting insert are respective damping elements. Each damping ... | 07/12/2005 |
| 6902764 | Oxide coated cutting tool According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of α-Al2O3. Said α-Al2O3 layer consists of essentia... | 06/07/2005 |
| 6871859 | Toolholder and insert arrangement with a shrink fit coupling A toolholder and insert arrangement includes an insert having a cutting portion and a shank portion disposed at a base of the cutting portion. The toolholder has a first end attachable to a spindle and a second end having a shank-receiving opening. When the toolhold... | 03/29/2005 |
| 6869668 | α-alumina coated cutting tool A coated cutting tool is composed of one or more layers of refractory compounds of which at least one layer is single-phase α-alumina with a pronounced columnar grain-structure and strong texture in the [300]-direction. The alumina layer is preferably deposited by ... | 03/22/2005 |
| 6854367 | Cutting, tool system and mechanism for accurately positioning a cutting edge A cutting tool system includes a clamping device and a cutting tool mounted therein. The cutting tool carries a cutting edge and includes a shaft clamped within an aperture of the clamping device. Prior to being clamped, the shaft is movable relative to the clamping... | 02/15/2005 |
| 6814526 | Insert holder for parting and grooving operations A holder is designed to receive a cutting insert intended for parting and grooving operations. The insert is clampable in a seat formed between a blade tongue and a clamping finger which respectively extend from lower and upper front parts of the holder. A gap separ... | 11/09/2004 |
| 6786682 | Cutting insert for turning The cutting plate in the form of a polyhedron comprises a front surface (1) and a rear surface (2) at an angle to it, cutting edges (3), strengthening facet (4), inclined to the plane of the cutting edges, and a swarf-breaking groove (... | 09/07/2004 |
| 6767583 | Coated inserts for rough milling Coated milling insert has a WC—Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiCxNy with columnar grains followed by a layer of κ-Al2O3 ... | 07/27/2004 |
| 6733215 | Cutting insert for heavy turning operations A cutting insert intended for heavy turning operations has a top side, a bottom side, a front surface disposed between the top and bottom sides, and a cutting edge disposed in the area between the top side and the front surface. The cutting insert includes a compara... | 05/11/2004 |
| 6722827 | Tool clamping device employing gas spring A tool part is held by a clamping mechanism which includes an axially-movable drawbar operably connected to a clamping unit for moving the clamping unit into and out of clamping relationship with the tool part. The drawbar is biased by a spring in the form of compre... | 04/20/2004 |
| 6715968 | Cutting insert for grooving operations A double ended metal-cutting insert includes a pair of circular cutting edges disposed at respective end surfaces of the insert. Each end surface includes an upper portion connected to the cutting edge, and a lower portion connected to the upper portion by a concave... | 04/06/2004 |
| 6715967 | Cutting insert for chip removing machining A cutting insert, intended for chip removing machining includes a cutting geometry surface having a cutting edge from which extends a primary chamfer that transforms into a chip removing surface. The chip removing surface is inclined in a inwards/downwards direction... | 04/06/2004 |
| 6713172 | Oxide coated cutting tool According to the present invention there is provided a body at least partially coated with one or more refractory layers of which at least one layer essentially consist of α-Al2O3. Said α-Al2O3 layer consists of essentia... | 03/30/2004 |
| 6709204 | Rotatable cutting tool A rotatable tool includes a rotatable body defining an axis of rotation. The body forms a seat configured to receive a cutting insert. The seat includes a bottom surface and a radial support upstanding therefrom. The bottom surface includes a screw-receiving hole wh... | 03/23/2004 |
| 6708590 | Machine for chip cutting machining plus cutting tool for such machines A cutting tool (2) includes a front part (5), which has a cutting insert (6), as well as a rear part (7), which is detachably mountable in a holder (3) in an appurtenant machine. The tool (2) comprises a plurality of nozzles... | 03/23/2004 |
| 6705805 | Chip removing machining of a workpiece while applying high pressure cooling liquid The chip removing machining of a workpiece is performed by a cutting tool which includes a cutting insert. In order to cool the cutting insert, one or more over-cooling nozzles is arranged for directing a jet of cooling liquid downwardly toward a contact area betwee... | 03/16/2004 |
| 6702529 | Cutting tool for parting and similar operations A parting tool includes a thin holder forming a groove open at one end, and a double-ended cutting insert mounted in the groove. The insert includes front and rear cutting edges and a rear end surface abutting against a rear support surface of the groove.... | 03/09/2004 |
| 6692822 | Coated cemented carbide cutting tool insert A cemented carbide has a | 02/17/2004 |
| 6685880 | Multiple grade cemented carbide inserts for metal working and method of making the same A cemented carbide insert of a first grade has at least one cutting point consisting of a cemented carbide of a second grade with different composition and/or grain size with an uneven transition zone between the first and second grade.... | 02/03/2004 |
| 6682275 | Deep hole drill A deep hole drill for chip-removing drilling in a workpiece includes a body which has a cutting head and an integral cutting part. The body defines a longitudinal axis of rotation and has a longitudinal internal channel which opens into an end face of the... | 01/27/2004 |
| 6661157 | Active anti-vibration system for cutting tools utilizing piezo-electric elements Tool for chip removing machining includes a shank having a clamping end and a cutting insert at an opposite end, plus a number of piezo-elements for dampening vibrations therein. A pair of cooperating, flat-shaped piezo-elements with lengths that are shor... | 12/09/2003 |
| 6656976 | Preparation of well dispersed suspensions suitable for spray drying A procedure for making well dispersed suspensions containing mixtures of powders displaying a low viscosity which remain stable over an extended period of time includes suspensions prepared in aqueous and/or ethanolic media using a cationic polyelectrolyt... | 12/02/2003 |
| 6638609 | Coated inserts for rough milling Coated milling insert has a WC-Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiCx Ny with columnar grains followed by a layer of .kappa.-Al... | 10/28/2003 |
| 6619891 | Milling tool having cutting members with different clearance angles A rotatable milling tool includes a body, and at least one set of circumferentially spaced cutting members that are intersected by a common plane oriented perpendicularly to a longitudinal center axis of the body. The set of cutting members includes at le... | 09/16/2003 |
| 6602028 | Support pad for a deep hole drill An element which defines a support pad and/or a guide bar adapted to be mounted in a seat of a cutter head of a deep hole drill comprises a body which defines a longitudinal direction and a cross-direction. The body includes an inner mounting side and an ... | 08/05/2003 |
| 6599050 | Tool coupling A tool coupling includes a holder and an adapter attachably interconnected by a serrated coupling. A fastening screw extends in both the adapter and the holder and is arranged coaxially with a center axis defined by the adapter and the holder. The screw i... | 07/29/2003 |
| 6595727 | Tool for chip removing machining and having fluid-conducting branch ducts A milling tool includes a rotary cutting head having an end surface in which grooves are formed. The grooves communicate with a duct extending coaxially completely through the center of the cutting head to conduct cooling/lubricating fluid to cutting inse... | 07/22/2003 |
| 6582162 | Tool for chip removing machining having a screw-actuated clamp A tool for chip removing machining includes a holder having a top side in which is formed a seat for a cutting insert to be clamped by a clamping mechanism. That clamping mechanism includes a clamping body movable inside a cavity formed in the holder. The... | 06/24/2003 |
| 6582163 | Cutting insert and holders therefor A tool for chip removing machining includes a holder and a cutting insert removably mounted therein. The insert includes a shaft having opposite ends and defining a first longitudinal center line. A cutting head projects integrally from at least one end o... | 06/24/2003 |
| 6569221 | FeCrAl alloy This invention relates to an alloy suitable for use in industrial and other heating applications, having a ferritic stainless steel alloy comprising, in weight %, less than 0.02% carbon; ࣘ0.5% silicon; ࣘ0.2% manganese; 10.0-40.0% chromium; ࣘ0.6% nic... | 05/27/2003 |
| 6543970 | Double negative cutting insert for tools for chip removing machining A double negative cutting insert has opposite top and bottom sides between which transverse flank surfaces extend, adjacent to which cutting edges are formed. There are at least four useful major cutting edges, which separately extend from an active opera... | 04/08/2003 |
| 6540449 | Tool for chip removing machining A rotatable tool for chip removing machining includes a shaft and a cutting body connected detachably to the shaft by a drawbar. At its front end the drawbar has a locking device for effecting mechanical engagement with the cutting body. The drawbar is ax... | 04/01/2003 |
| 6527486 | Cutting insert for drill A cutting insert for a during includes a broken main cutting edge, the ends of which join respective additional edges of the insert by curved nose portions. Each curved nose portion forms a curved cutting edge defined by at least three sequentially arrang... | 03/04/2003 |
| 6503028 | Sintered cutting insert having center hole for clamp screw A cutting insert includes a body formed of sintered powder, with a center hole extending through the body for receiving a fastening screw. The center hole includes a cylindrical portion. The body includes two side surfaces extending downwardly from respec... | 01/07/2003 |
