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| Number | Title | Issue Date |
| 8047747 | Rotary cutting tool A rotary cutting tool is provided having an axis of rotation, a shank section, a fluted section, and a plurality of helical teeth. The shank section and the fluted section both extend along the axis of rotation. The fluted section has a first end integrally attached... | 11/01/2011 |
| 7976249 | Side milling cutter for manufacturing a stone or rock drill, a method of manufacturing a stone or rock drill with a side milling cutter, and a side milling cutter and a cutting insert therefor Side milling cutter for manufacturing a stone or rock drill in which the cutting inserts each have a bearing lug with sloped sides, as well as a method of manufacturing a stone or rock drill with such a side milling cutter, and a cutting insert therefor having a bea... | 07/12/2011 |
| 7959382 | End mill for orbital drilling A center or non-center cutting end mill for orbital drilling includes a shank having a shank diameter; a neck having a neck diameter; a cutting head having a cutting diameter; a corner radius; a dish angle; and a longitudinal axis, the cutting head including a forwa... | 06/14/2011 |
| 7934890 | End mill A plurality of chip discharge flutes are located on an outer periphery of a tip portion of the end mill body which rotates on its axis. Helix angles between the axis and the cutting edges in the chip discharge flutes, of which are at least one or more; are different... | 05/03/2011 |
| 7927046 | Radius end mill In the radius end mill, main gash faces has an angle of inclination with respect to an axis that is smaller than a twist angle of chip discharge flutes. The main gash faces are formed on inner circumferential sides of distal end portions of wall surfaces that face i... | 04/19/2011 |
| 7862262 | Multi-flute ball endmill for airfoil machining A milling cutter comprises a shank section joined to a cutting section. The cutting section includes a plurality of peripheral teeth separated by a plurality of flutes to form cutting edges extending around the cutting section in a helix direction. The number of res... | 01/04/2011 |
| 7841809 | High helix/low lead cutting tool A milling cutter comprises a shank section joined to a cutting section. The cutting section includes a plurality of peripheral blades separated by a plurality of flutes to form cutting edges extending around the cutting section in a helix direction. The helix angle ... | 11/30/2010 |
| 7789597 | Rotary cutting tool A rotary cutting tool or end mill is provided, the tool comprising a plurality of pairs of diametrically-opposed, symmetrical, helical flutes formed in a cutting portion of the tool body, wherein the pitch between at least one pair of adjacent helical flutes is less... | 09/07/2010 |
| 7771141 | Milling tool for roughing workpieces A milling tool for roughing workpieces is provided with a plurality of cutting flanks and flutes disposed in between. The cutting flanks are provided on the cutting side with a predetermined rake angle, and the cutting edges have moreover a profile of wave form that... | 08/10/2010 |
| 7753624 | Cutting tool and method for cutting material Tool for cutting materials with a rotatable body having a rotation axis and cutting edges for cutting the material during movement of the body in a first direction parallel to the rotation axis. In order to stabilize the tool during cutting the cutting edges compris... | 07/13/2010 |
| 7699565 | Radius endmill A radius endmill has a peripheral cutting edge, a bottom cutting edge, and a rounded corner cutting edges whose ridge line is defined by a circular arc having a given radius as measured in a side view of the endmill that is parallel to the axis. The rounded corner c... | 04/20/2010 |
| 7621699 | Abrasive coated fluted bit with recesses A rotary tool accessory for shaping hard, brittle material is disclosed. In one embodiment, a work portion includes a first flute extending from one end portion of the work portion toward the other end of the work portion and a first land adjacent to the first flute... | 11/24/2009 |
| 7618219 | Ball endmill A ball endmill having (a) a cylindrical tool body and (b) ball-nosed end cutting edges each of which includes (b-1) a first portion, (b-2) a second portion and (b-3) a third portion. The first portion is defined by a circular arc which is convex in a direction of ro... | 11/17/2009 |
| 7563059 | Sinusoidal angled rotary cutting tool It is the object of the present disclosure to provide an improved end mill that can be easily manufactured, reduces cutting forces on the driving tool, limits chatter at high rotation speeds, has better stability, produces smoother cutting surfaces, and has less nat... | 07/21/2009 |
| 7441991 | Chamfering tool A circular truncated cone-shaped cutting section (3) of a chamfering tool (1) is formed with a first blade section (31) which is tilted so that a chip is discharged to a side of a shank section (2), and a second blade section (32) ... | 10/28/2008 |
| 7431538 | End mill for orbital drilling of fiber reinforced plastic materials A center or non-center cutting end mill for orbital drilling of fiber reinforced plastic (FRP) materials includes a shank, a neck, a cutting head and two or more flutes. The end mill has a tool geometry with the following features: a dish angle between about 2 degre... | 10/07/2008 |
| 7407351 | Rotatable tool comprising a shank, a drawbar and a cutting head A rotatable tool includes a shank rotatable about a longitudinal axis, a drawbar mounted to an axial front end of the shank, and a cutting head mounted to an axial front end of the drawbar. The shank and the drawbar include mutually engageable screw threads which im... | 08/05/2008 |
| 7402004 | Radius end mill In the radius end mill, main gash faces has an angle of inclination with respect to an axis that is smaller than a twist angle of chip discharge flutes. The main gash faces are formed on inner circumferential sides of distal end portions of wall surfaces that face i... | 07/22/2008 |
| 7399147 | End mill bit with notched teeth An end mill is provided with a plurality of teeth extending helically therealong, and with the teeth notched. The notches interrupt the cutting edge of the teeth at various different positions between a tip of the tooth and a root of the tooth. Various different pat... | 07/15/2008 |
| 7393160 | Milling cutter A rotary multi-tooth milling cutter, each tooth having a tooth face is provided. The tooth face has at least two sections, a first section nearest the cutting edge having a convex form as viewed in a cross section perpendicular to the cutter axis and a second sectio... | 07/01/2008 |
| 7374376 | Cutting tool The present invention relates to a replaceable cutting tip and, more particularly, to such cutting tips attachable to the cutting tip holders by a threaded connection. The cutting tip for a cutting tool includes a working end portion disposed along an axis of the cu... | 05/20/2008 |
| 7367754 | Variable helix rotary cutting tool A rotary cutting tool has a substantially cylindrical main body and four flutes. The main body has a shank end, a cutting end formed integrally opposite the shank end, and a longitudinal axis of rotation. The four flutes include a pair of flutes comprising a first f... | 05/06/2008 |
| 7367753 | Milling cutter 12. A rotationally drivable milling cutter has a cylindrical carrier body (10), which is equipped on its circumference with a plurality of cutting bodies (12) comprising a cutting material that is harder than hard metal. The cutting bodies (1... | 05/06/2008 |
| 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 |
| 7343946 | High speed planer head A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded me... | 03/18/2008 |
| 7341409 | Tool for chip removing machining The present invention relates to a tool and a male part for chip removing machining. The tool includes a male part and a holder for the male part. The male part includes a radial and axial supporting and positioning portion and a threaded portion. A largest diameter... | 03/11/2008 |
| 7338236 | Cutting tool A milling tool 1, in particular a tubular drill, includes a shaft 2 and a working portion 3. At least one cutting edge 8 is provided at a face of the working portion 3 and at least one bore 4 extends into the face of the wor... | 03/04/2008 |
| 7322774 | End mill and a method of operating an end mill An end mill for cutting or milling objects and a method of operation thereof. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification... | 01/29/2008 |
| 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 |
| 7320565 | Edge-carrying drill, method for the manufacture of the drill, and drilling tool comprising such a drill In a first aspect, the invention relates to an edge-carrying drill body (1) of the type that is intended for deep hole drilling, and which is rotatable around a geometric axis (C) as well as comprises a through channel (2) arranged for internal chip ev... | 01/22/2008 |
| 7313992 | Tube milling head Tube ends such as those of boiler tube banks, are prepared utilizing any of various combinations of processes which include a step of micro-diameter tube film removal from a portion of a tube end, including an area below a beveled segment, or segment to be beveled. ... | 01/01/2008 |
| 7306408 | Rotary cutting tool A rotary cutting tool or end mill is provided, the tool comprising a plurality of pairs of diametrically-opposed, symmetrical, helical flutes formed in a cutting portion of the tool body, wherein the pitch between at least one pair of adjacent helical flutes is less... | 12/11/2007 |
| 7278806 | Two edge deburring tool A rotating tool for simultaneously deburring two surfaces of a workpiece is disclosed including a rotatable shaft having a first end and a second end with a first deburr surface on the first end facing towards the second end and having a first angle. A second deburr... | 10/09/2007 |
| 7267511 | Method for making die boards, and materials and apparatus for practicing the method In a die board for cutting and/or creasing sheet-type work material, a base is provided that includes a first upper surface and a second lower surface. At least one slot extends along the first upper surface and includes a first slot section extending from said firs... | 09/11/2007 |
| 7240562 | Method for modeling material constitutive behavior In modeling material constitutive behavior, a methodology determines tool-chip friction and a position of a stagnation point on a cutting tool. The methodology includes measuring a ratio of cutting force to thrust force and measuring a chip thickness, hch... | 07/10/2007 |
| 7231992 | Drill bit A drill bit has, on its face, a combination of at least one straight cutting edge and at least two curved cutting edges arranged in a Y-shape. The cutting edges on the face of the drill bit are arranged such that they start from the axis of the drill bit or end dire... | 06/19/2007 |
| 7232311 | Bur for preparing metal substrates A method and bur is described for preparing a surface of a metal substrate. The bur includes a shank portion and a cutting head. The cutting head includes a base portion connected to the shank portion, a tip portion opposite the base portion and a plurality of simil... | 06/19/2007 |
| 7226257 | Router bit with position stop A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi... | 06/05/2007 |
| 7223053 | Helical flute end mill with multi-section cutting edge An end mill is provided that includes a shank section and a fluted section. One or more helical teeth are disposed along an outer surface of the fluted section. Each helical tooth has a cutting surface and a relief wall that intersect to form an angle defining a hel... | 05/29/2007 |
| 7214006 | Helical flute end mill with multi-section cutting surface A rotary cutting end mill is provided. The end mill includes a shank section and a fluted section. The fluted section has a first end integrally attached to the shank section, a second end, and an outer surface. One or more helical teeth are disposed along the outer... | 05/08/2007 |
