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| Number | Title | Issue Date |
| 7401536 | Method or jointing the cutting edge of at least one cutting blade of a rotating tool In a method of jointing a cutting edge of at least one cutting blade of a rotating tool, wherein between the tool and at least one straight jointing stone a radial advancing movement is carried out and wherein the jointing stone has an active jointing area that is l... | 07/22/2008 |
| 7401537 | Cutter insert gum modification method and apparatus A method and apparatus for treating a cutter ring adapted to be used in tunnel boring operations; forming an initial cutter ring and heat treating the cutter ring prior to a laser client process; applying an alloy to the surface of the cutter ring adjacent to cuttin... | 07/22/2008 |
| 7360972 | Indexable cutting inserts and methods for producing the same A method of making a cutting insert includes: (i) forming a blank having a substrate and superhard material, the substrate having more than 4 pockets, the superhard material disposed within the pockets; (ii) removing cutting tips from the blank by cutting the blank ... | 04/22/2008 |
| 7293945 | Non-rotary cutting tool and process of machining scroll member by using the same A non-rotary cutting tool which is to be moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpendicular to the predetermined direction. The cutting tool includes (a) a generally cylindr... | 11/13/2007 |
| 7270504 | Cutting tool for metal working as well as method in the production of cutting tools A cutting tool and a method for the production of cutting tools for metalworking characterized in that the holder body of the tool first is submitted to a surface hardening that results in the formation of compressive stresses in the surface and then submitted to a ... | 09/18/2007 |
| 7263755 | Method for the manufacture of fillings for utilization in the mechanical processing of aqueous paper fiber stock A method for fabricating fillings that are utilized in refiners for the purpose of refining paper fiber stock. The filling manufactured in accordance with the method of the present invention includes a base body, an overlay template on the base body and processing e... | 09/04/2007 |
| 7257899 | Composite circular slicer knife A substantially circular slicer knife is provided having an interior base portion made of a first material and an outer edge portion made of a second material. The outer edge portion is metallurgically bonded to the interior base portion. ... | 08/21/2007 |
| 7237992 | Process of machining scroll member by using non-rotary cutting tool A process of machining a scroll member of a scroll compressor by using a non-rotary cutting tool. The non-rotary cutting tool is moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpend... | 07/03/2007 |
| 7222555 | Method of manufacturing a hacksaw A method for manufacturing a handsaw capable of cutting a glass bottle. The method includes cutting a steel strip to a predetermined length to form a handsaw substrate. A portion of the handsaw substrate, other than a cutter blade forming portion formed on at least ... | 05/29/2007 |
| 7214009 | Drilling tool A drilling tool consisting of a drill shank having a drill point and of a transition section which adjoins the drill shank in the axial direction and which merges into a clamping shank, the transition section being heat-treated in such a way that it has higher bendi... | 05/08/2007 |
| 7194933 | Composite circular slicer knife A substantially circular slicer knife is provided having an interior base portion made of a first material and an outer edge portion made of a second material. The outer edge portion is metallurgically bonded to the interior base portion. ... | 03/27/2007 |
| 7171884 | Resilient cutting blades and cutting devices Steel reinforced tire fabrics are cut with long rigid bar blades, circular disc blades and disc and anvil blades. All of these blades may have an open relatively deep slot spaced close to the cutting edge that creates a resilient cantilevered spring element that inc... | 02/06/2007 |
| 7159626 | Multi-application wood working knife and clamping assembly A wood working knife for use in a wood working machine, comprising a knife body having a first cutting edge and an opposed second cutting edge, the knife body having a first clamping surface and a second clamping surface. The first clamping surface has opposed clamp... | 01/09/2007 |
| 7147939 | Coated carbide tap A coated carbide tap comprises a substrate consisting of tungsten carbide cemented with 12 to 16% by weight cobalt with additions of small amounts of transition metal carbides added to restrain grain growth, and may also contain low levels of impurities that might b... | 12/12/2006 |
| 7144208 | Low torque tap A low torque tap includes a shank portion with a driving square and a thread cutting portion. The thread cutting portion includes a threaded body with one or more asymmetrical straight flutes that run essentially parallel to a longitudinal axis of the tap. The threa... | 12/05/2006 |
| 7101125 | Twist drill A twist drill including a cutting tip having a front flank face, a substantially cylindrical tool body extending rearwardly from the cutting tip, and a shank. The tool body includes a rotational axis therethrough and at least one flute formed on an outer peripheral ... | 09/05/2006 |
| 7094009 | Gear-forming cutter A gear-forming cutter for forming a gear tooth on a non-metallic blank includes a spindle and a blade portion. The blade portion extends from the spindle along an axis of the spindle, and includes a blade surface and a surrounding surface. The blade surface has fron... | 08/22/2006 |
| 7025144 | Wellbore liner system Wellbore apparatus has been invented which, in at least certain aspects, includes a wellbore apparatus having a tubular member with a top end, a bottom end, a hollow portion, and a window therethrough, a sleeve positioned within the hollow portion of the tubular mem... | 04/11/2006 |
| 7007581 | Cutting mat for a rotary anvil A rotary anvil is outfitted with pins protruding from the base of an axially extending channel along the surface of the anvil. A cutting mat having a generally elongate body includes first and second locking members projecting from opposite axial ends thereof. The c... | 03/07/2006 |
| 6958000 | Finishing wheel holding mechanism for gear finishing apparatus A finishing wheel holding mechanism for a gear finishing apparatus using a finishing wheel having internal teeth, which permits simple and quick fitting or replacement of a finishing wheel is provided. The finishing wheel holding mechanism comprises a head frame ... | 10/25/2005 |
| 6890132 | Bolt on drive assembly for a core drill A bolt on drive assembly for a core drill which utilizes a spoked reinforcer mounted between a pair of discs. The discs are removably mounted on the tube by bolt fasteners. A drive connection is removably mounted and centrally located on a outer disc of the pair of ... | 05/10/2005 |
| 6890134 | Method of producing endodontic instruments Methods for manufacturing endodontic instruments are provided. Methods relate to milling a blank with a cutting process to shape the instrument. Instruments so produced are also provided. ... | 05/10/2005 |
| 6868755 | Manufacturing method of diamond cutter A diamond cutter 7 constituted by a cutter base plate 5 having a curved surface 3 by drawing molding a steel sheet metal material is provided. The cutter base plate 5 is obtained by preparing an original plate having an axial hole 2 | 03/22/2005 |
| 6863478 | Device for connecting surgical clearing or drilling tool components A device for the coaxial connection of a surgical rotating tool to a shaft and the method of forming such a device. The device comprises a shaft defining a central axis and having a front end, a hollow body having a first end for engaging the front end of the shaft ... | 03/08/2005 |
| 6837130 | Method of repositioning a beveled edge of a cutting blade A method of manufacturing a cutting blade includes providing a blank that is to be formed into a cutting blade. The blank has a top surface, a bottom surface, and a first edge extending between the top and bottom surfaces. The method further includes forming a bevel... | 01/04/2005 |
| 6631665 | Perforating tools having plural blades The invention relates to a method of manufacturing perforating tools, as well as perforating tools manufactured according to the method. The tool is manufactured in that a number of blades (2) are placed densely packed together in a bracket. The blades (2... | 10/14/2003 |
| 6591715 | End mill type gear cutters for spindle driven machines A process for producing quick and inexpensive gear cutters made of steel or carbide. Cylindrical shaped blanks of tool steel or other suitable materials of are chosen for a size appropriate for the task and are then machined in order to form cutting edges... | 07/15/2003 |
| 6536320 | Slitter cutting element and method of making same A slitter cutting element for slitting a sheet of web material has an axially displaceable blade member arranged on a blade carrier. The axially displaceable blade member is biased by an elastomeric biasing member that provides a continuous and uniform co... | 03/25/2003 |
| 6524036 | Method for influencing the behavior of swarf flow on tool surfaces A method for influencing the swarf flow behaviour of tool surfaces in the region of cutting edges with swarf producing tools with a geometrically defined cutter, by laser irradiation of the tool surface, wherein with the help of the laser irradiation at l... | 02/25/2003 |
| 6502309 | Shaving apparatus Method of manufacturing a blade-shaped hair-pulling element (13) for a cutting unit (3) of a shaver. The shaver comprises a plurality of cutter elements (8) and a corresponding plurality of hair-pulling elements (13) each arranged in front of one of the c... | 01/07/2003 |
| 6497164 | Ultrasonic vibration cutting tool and production method thereof A ultrasonic vibration cutting tool which can optimize materials as in a separate type and can improve the transmission efficiency of ultrasonic vibration as in an integrated type. The ultrasonic vibration cutting tool comprises a ring-shaped projection a... | 12/24/2002 |
| 6353771 | Rapid manufacturing of molds for forming drill bits A mold is formed for an building earth boring bit by designing the bit geometry in three dimensions using a computer aided design (CAD) system and then feeding the geometry data of the design to a layering device. The layering device then builds the mold ... | 03/05/2002 |
| 6345444 | Hand held apparatus for transverse cutting of a not easily accessible pipe A hand-held apparatus for cutting transversely a pipe using a slitter co-operating with rollers to produce a deepening cut, is formed of two half-shells mounted opposite around the pipe with adjustable clamping elements one at least supporting a slitter o... | 02/12/2002 |
| 6017171 | Milling cutter body and a method for its production The invention relates to a process for the production of a milling tool for cutting machining, preferably of metals. The milling tool includes a holder part (2) for the fixation of the milling tool upon a rotating driving arrangement, and an insert carryi... | 01/25/2000 |
| 6016720 | Method for the manufacturing of rotary tool holders having seats for cutting inserts A rotary tool holder having a plurality of cutting insert-receiving seats is manufactured by rough-forming the seats in a steel body, then hardening the body, and thereafter finish-forming the seats.... | 01/25/2000 |
| 5992204 | Method of increasing the strength of a blade, and a blade A method of increasing the durability of the cutting point (8) of a blade, and a blade. A compression stress (P10) is formed in at least one surface (10 or 6) joining the point (8) of the blade (1) by cold working the blade.... | 11/30/1999 |
| 5906053 | Rotary cutting blade having a laser hardened cutting edge and a method for making the same with a laser A rotary cutting blade including an elongated body made of steel and having opposite ends, a leading edge extending from each opposite end, an upper surface, a lower surface and a cutting surface extending between the upper and lower surfaces along a port... | 05/25/1999 |
| 5901619 | Method for manufacturing rotary cutting tool and rotary cutting tool A method for manufacturing a rotary cutting tool for fabricating a sheet having transverse slits. The rotary cutting tool has a cylindrical body having generally longitudinally extending grooves, and cutting blades. The cutting blades are first fitted in ... | 05/11/1999 |
| 5890852 | Thread cutting die and method of manufacturing same A thread cutting die or chaser for use with a power driven thread cutting machine is provided with a protective coating of an ultra hard material such as titanium nitride which is initially excluded from or is subsequently removed from the faces of the th... | 04/06/1999 |
| 5876155 | Method of eliminating chatter in plunge cutting with cutters at different diameters and depths A method that eliminates or reduces chatter when plunge cutting with boring cutters at different diameters, different tool geometries, different chip loads and different cutting depths, by computing optimal cutting insert locations and relocating such ins... | 03/02/1999 |
