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| Number | Title | Issue Date |
| 7419337 | Parting blade for turning purposes A parting blade having a flat, elongate body, which is delimited by two opposite side surfaces and has two opposite longitudinal edges which are mutually parallel and present chamfered surfaces for wedging the body in a holder, and which includes at least one insert... | 09/02/2008 |
| 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 |
| 7331096 | Cutting tool The present invention relates to cutting tools and, more particularly, to cutting tools having inserts and insert-receiving recesses with curved surfaces. The cutting tool includes a toolholder having a recess and an insert adapted to be received in the recess. The ... | 02/19/2008 |
| 7329072 | Clamping mechanism for cutting insert, and cutting insert There is disclosed a clamping mechanism for a cutting insert that clamps the cutting insert by inserting the cutting insert into an insert mounting seat. The insert mounting seat is formed in a tip of a holder having a pair of contacting surfaces facing each other, ... | 02/12/2008 |
| 7326007 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is resiliently retained. The cutting insert includes a locating portion and a cutting portion having a rake surface and a relief surface. The locating portion extends from the cutting portion away from the rake surface. ... | 02/05/2008 |
| 7326006 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is retained by a retaining screw. The cutting insert comprises a rear surface and a lower surface, both of which are generally V-shaped. ... | 02/05/2008 |
| 7320564 | Cutting insert for grooving operations A cutting insert for grooving operations having a forward main cutting edge and two opposing side cutting edges extending rearwardly and outwardly from the main cutting edge, each side cutting edge having a variable rake angle. ... | 01/22/2008 |
| 7278805 | Cutting insert for effective chip control A cutting insert includes a polygonal body having an upper chip surface, a bottom surface and a peripheral edge surface extending therebetween. The peripheral edge surface intersects the upper chip surface to form a main cutting edge. The upper chip surface defines ... | 10/09/2007 |
| 7275896 | Grooving cutting insert having a circular cutting edge provided with relief recesses A cutting insert for grooving operations includes an elongated clamping portion and a cutting portion. The cutting portion has a chip rake surface and a relief surface meeting at a cutting edge. The relief surface has a plurality of recesses extending to the chip ra... | 10/02/2007 |
| 7264424 | Tool head for a machining tool A tool head, which is adapted to receive a cutting insert for chip removal machining, includes a basic holder which has a lower support part and an upper clamping portion defining therebetween and insert-receiving pocket. A slot extends through the basic holder at a... | 09/04/2007 |
| 7261753 | Bonding structure and bonding method for cemented carbide element and diamond element, cutting tip and cutting element for drilling tool, and drilling tool A cutting tip for a drilling tool includes a cemented carbide cutting base 11, a diamond element 12 supported by the cutting base 11, and a bonding layer formed between the cutting base 11 and the diamond element 12 in order to bon... | 08/28/2007 |
| 7246974 | Cutting tool head for a metalworking tool A tool head, which is adapted to receive a cutting insert for chip removal machining, includes a basic holder which has a lower support part and an upper clamping portion defining therebetween an insert-receiving pocket. A slot extends through the basic holder at a ... | 07/24/2007 |
| 7217070 | Deburring tool and cutting insert therefor A deburring tool having an indexable cutting insert having four cutting edges. The cutting insert has a main body portion and a protruding guide member. The cutting insert is slidably retained in an insert pocket with the main body portion of the insert located in a... | 05/15/2007 |
| 7163361 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is resiliently retained. The cutting insert includes a locating portion and a cutting portion having a rake surface and a relief surface. The locating portion extends from the cutting portion away from the rake surface. ... | 01/16/2007 |
| 7140088 | Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Disclosed is a turning tool for cutting circumferential grooves into a surface of a polishing pad formed of a resin material and utilized for polishing semiconductor devices. The turning tool comprising a cutting part arranged to have a tooth width within a range of... | 11/28/2006 |
| 7121771 | Tool for chip-removing machining A tool for chip-removing machining includes an insert holder, a cutting insert for chip-removing machining, and a fixing element for fixing the cutting insert in an insert seat of the insert holder. The insert has fingers projecting from a bottom side of the insert.... | 10/17/2006 |
| 7090443 | Cutting tool and cutting insert therefor A cutting tool in which a cutting insert is retained by a retaining screw. The cutting insert comprises a rear surface and a lower surface, both of which are generally V-shaped. ... | 08/15/2006 |
| 7090585 | Nail manufacturing tool holder having a quick change mechanism A clamping jaw for gripping wire stock used in nail production machines includes a quick change system that allows efficient replacement of a removable tool insert. The clamping jaw includes a main body that is partially split so as to define a gap between first and... | 08/15/2006 |
| 7059809 | Cutting tool A cutting tool, in particular for the turning out of drillings, has a clamping piece (10) for fixing the tool in a clamp holder. The clamping piece (10) includes two clamping surfaces (30), which converge on each other in the direction of the on... | 06/13/2006 |
| 7051631 | Cutting insert for grooving operations A grooving insert has a forward main cutting edge and two opposing side cutting edges extending rearwardly from the main cutting edge on opposing sides of a center line of the grooving insert. Each side cutting edge has a serrated form in a top view of the grooving ... | 05/30/2006 |
| 7037051 | Cutting insert for turning and milling A cutting insert comprises first and second polygonally-shaped main faces arranged substantially parallel to one another, and a side face structure interconnecting the first and second main faces to define a peripheral edge. At least the first main face includes at ... | 05/02/2006 |
| 7017246 | Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Disclosed is a turning tool for cutting circumferential grooves into a surface of a polishing pad formed of a resin material and utilized for polishing semiconductor devices. The turning tool comprising a cutting part arranged to have a tooth width within a range of... | 03/28/2006 |
| 7011002 | Lathe apparatus The lathe provided in accordance with the invention is designed to address the needs of today's bowl and spindle turners. In an exemplary embodiment, the lathe of the invention comes equipped with a 2 hp DC BALDOR motor and a state-of-the-art 3 hp MINARIK pulse-widt... | 03/14/2006 |
| 7011476 | Double-ended grooving and turning tool with clamping surfaces Small size insert and insert-blank apparatus for machine tools for grooving and turning have a body with generally parallel and opposing sides, and top and bottom surfaces which have at least a portion thereof inclined from adjacent a first end to the opposite end, ... | 03/14/2006 |
| 6986626 | Cutting insert for grooving operations A grooving insert has a forward main cutting edge and two opposing side cutting edges extending rearwardly from the main cutting edge on opposing sides of a center line of the grooving insert. Each side cutting edge has a serrated form in a top view of the grooving ... | 01/17/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6974283 | Cutting device A cutting device includes a holder (10) provided with a jaw-like opening (24) on a clamping head (20) that serves to accommodate a metal-cutting tool (22). The jaw-like opening (24) is located on a longitudinal side (16) of ... | 12/13/2005 |
| 6974282 | Toolholder for small size grooving and turning insert A toolholder for a small-size insert having a shoulder for use with a machine tool for grooving, boring and turning has a substantially planar surface portion in an end portion which defines at least one insert-receiving recess extending inwardly into the body of th... | 12/13/2005 |
| 6971823 | Cutting tool and cartridge therefor A. cutting tool for metal cutting operations employing detachable cutting insert secured to cartridges. The cartridges have a clamping portion that is resiliently transformable between a normally non-expanded state and a biased expanded state by means of a clamping ... | 12/06/2005 |
| 6942438 | Keyway cutter tool and method An apparatus and method for forming a keyway in a workpiece is provided. The apparatus includes a shank and cutter, the shank and cutter immovably associated with respect to each other during the keyway forming operation. The apparatus is engageable with a computer ... | 09/13/2005 |
| 6935815 | Cutting insert A cutting insert is formed with a central planar support face, at least three cutting edges spaced outwardly from and around the support face and forming corners, and a land extending along each cutting edge between the respective corners and projecting from the res... | 08/30/2005 |
| 6843620 | Cutting tool and indexiable insert therefor A cutting tool is provided which comprises an end cutting edge at an end of a rake face, and a depression formed in the rake face so as to provide the end cutting edge with a concave edge portion. ... | 01/18/2005 |
| 6824333 | Grooving and turning tool with clamping surfaces Small size insert and insert-blank apparatus for machine tools for grooving and turning have a body with generally parallel and opposing sides, and top and bottom surfaces which have at least a portion thereof inclined from adjacent a first end to the opposite end. ... | 11/30/2004 |
| 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 |
| 6742971 | Cutting insert A metal cutting insert having a pair of cutting portions disposed on either side of a shank portion. Each cutting portion includes a forward cutting edge and two side cutting edges. Each side cutting edge forms part of a shelf that includes chip controlling/breaking... | 06/01/2004 |
| 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 |
| 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 |
| 6688816 | Grooving and turning insert Small size insert and insert-blank apparatus for machine tools for grooving and turning have a body with generally parallel and opposite sides, and top and bottom surfaces which have at least a portion thereof inclined from adjacent a first end to the opp... | 02/10/2004 |
| 6648560 | Cutting insert A cutting insert includes a generally polygonal body having minor flank faces, major flank faces, chip breaking faces, major cutting edges formed at the intersection of the first faces and the major flank faces, and minor cutting edges formed at the inter... | 11/18/2003 |
| 6612207 | Turning assembly including a plurality of turning bits simultaneously engaging a workplace A turning assembly for turning a workpiece includes a holder and plurality of turning bits mounted next to one another in a parallel relationship for simultaneously engaging a the workpiece. The turning bits are mounted in respective holding elements whic... | 09/02/2003 |
