Patents Assigned to Sandvik Intellectual Property AB
  • CORE DRILL BIT
    Publication number: 20110174546
    Abstract: A drill bit is disclosed. The drill bit has an axis, and a barrel, and a cutting member fixed to the barrel. The barrel is arranged to engage a drill shaft for driving the drill bit around the axis. The barrel and the cutting member are adjacently located on the axis. The drill bit has an aperture centered on the axis, the aperture passing completely through both the cutting member and barrel.
    Type: Application
    Filed: June 15, 2009
    Publication date: July 21, 2011
    Applicant: Sandvik Intellectual Property AB
    Inventors: Andy Bell, Raymond Purser
  • Cemented carbide with refined structure
    Patent number: 7976607
    Abstract: The present invention relates to a WC—Co cemented carbide alloy. By adding an extremely small amount of Ti, V, Zr, Ta or Nb or a combination of these, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: July 12, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Leif Åkesson, Susanne Norgren, Alexandra Kusoffsky
  • CUTTING PICK AND MOUNTING ASSEMBLY
    Publication number: 20110163591
    Abstract: To alleviate the problem associated with wear of either the shank of the cutting pick or the surface defining the cutting pick mounting hole, a cutting pick and mounting assembly is provided including a cutting pick having a shank and a cutting tip, a cutting pick mounting hole extending through a support surface within which the shank of the cutting pick is received such that the cutting tip projects from the hole; an inner sleeve having a cutting pick opening within which the shank of the cutting pick extends; an outer sleeve having an inner sleeve opening within which the inner sleeve and the shank of the cutting pick extend; wherein the shank, the inner sleeve and the outer sleeve are positioned concentrically within the cutting pick mounting hole.
    Type: Application
    Filed: June 7, 2010
    Publication date: July 7, 2011
    Applicant: Sandvik Intellectual Property AB
    Inventors: Keith SLEEP, Steven Weaver
  • ELECTRICAL CONTACT WITH ANTI TARNISH OXIDE COATING
    Publication number: 20110162707
    Abstract: The invention relates to an electrical contact t comprising a strip substrate comprising a conductive layer of a metal or an alloy provided on the surface of the substrate and an oxide layer provided on the conductive layer. By means of the oxide layer the underlying metal or alloy layer is protected from reaction with elements such as oxide or sulphur in the ambient air. The invention also relates to products such as fuel cells and solar cells comprising the electrical contact.
    Type: Application
    Filed: July 3, 2009
    Publication date: July 7, 2011
    Applicant: Sandvik Intellectual Property AB
    Inventors: Mikael Schuisky, Sara Wiklund
  • Milling tool, a cutting insert for milling tool as well as a solid milling tool
    Patent number: 7972091
    Abstract: A milling tool intended for chip-removing machining includes a basic body rotatable around a geometrical centre axis and peripherically spaced-apart, detachable cutting inserts, which separately are securable in insert pockets adjacent to chip channels formed in the basic body. The individual cutting insert have at least one edge formed between a chip surface on the top side of the cutting insert and a clearance surface along the periphery side of the cutting insert, and the individual insert pocket is arranged to secure the individual cutting insert in a position in which the chip surface is inclined in relation to the centre axis while forming a positive angle of inclination.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: July 5, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Inge Svenningsson, Mikael Lundblad, Jan Johansson, Magnus Åström, David Öhlund
  • Coated insert
    Patent number: 7968182
    Abstract: The present invention relates to cutting tool insert for metal machining on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied. The coating comprises a metal oxide/oxide composite layer consisting of two components with a grain size of from about 1 to about 100 nm. The oxide layer is under a compressive stress.
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: June 28, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: David Huy Trinh, Hans Högberg, Lars Hultman, Marianne Collin, Ingrid Reineck
  • ANTI TARNISH SILVER ALLOY
    Publication number: 20110151276
    Abstract: The invention relates to a coated product comprising a strip substrate comprising a conductive alloy layer comprising silver and indium provided on the surface of the substrate. The conductive alloy layer has good electrical properties and does not easily react with sulphur in the ambient air. The invention further relates to a method for producing a coated product, comprising the steps of: providing a strip substrate; ion-etching of the substrate; depositing a conductive alloy layer comprising silver and indium on the substrate. The invention also relates to a product for electrical use comprising the coated product.
    Type: Application
    Filed: July 3, 2009
    Publication date: June 23, 2011
    Applicant: Sandvik Intellectual Property AB
    Inventors: Sara Wiklund, Mikael Schuisky
  • FACE MILL FOR FINE MILLING
    Publication number: 20110150582
    Abstract: A face mill for fine milling, including a basic body that is rotatable around a center axis (C1) in a predetermined direction and has a front end surface as well as an envelope surface concentric with the center axis (C1). A replaceable milling insert is mounted in a seat and has the shape of a polygon that includes a front side, a back side and a plurality of side surfaces, which converge in pairs into corners and at least one of which forms a chip surface that, together with the front side, delimits a cutting edge, which is tangent to an imaginary reference plane (RP) that extends perpendicular to the center axis (C1) and is axially spaced apart in the forward direction from the front end surface of the basic body. The front side of the milling insert is tilted at a clearance angle (?) in relation to the reference plane (RP).
    Type: Application
    Filed: November 11, 2010
    Publication date: June 23, 2011
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventor: Sture SJÖÖ
  • DEVICE FOR MILLING OF MATERIALS
    Publication number: 20110150583
    Abstract: A device and a method of making thereof includes a milling cutter body that is connectable to a rotatable spindle or holder. The milling cutter body is provided with at least one series of a plurality of tangentially spaced-apart cutting edges or a plurality of tangentially spaced-apart seats intended for milling inserts having at least one cutting edge. The cutting edges or seats of the series are arranged such that, within the series, a first angle between a radius that intersects a first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction of rotation around the rotation axis, is smaller than a second angle between the radius that intersects the first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction opposite the direction of rotation.
    Type: Application
    Filed: December 14, 2010
    Publication date: June 23, 2011
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventor: Tord ENGSTRÖM
  • Austenitic FE-CR-NI alloy for high temperature use
    Publication number: 20110147368
    Abstract: An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature.
    Type: Application
    Filed: December 13, 2010
    Publication date: June 23, 2011
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Bo Jönsson, Thomas Helander
  • Coated cutting inserts
    Patent number: 7964295
    Abstract: The present invention relates to a cutting insert comprising a body of sintered cemented carbide, cermet or ceramic or high speed steel or the superhard materials such as cubic boron nitride or diamond said body being provided with a hard and wear resistant coating including a thin outermost coloring non-oxide layer whereby said color is created by thin film interference.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: June 21, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventor: Mats Ahlgren
  • Rotary cutting pick
    Patent number: 7963616
    Abstract: A cutting pick comprising an elongate shank and a cutting tip which is mounted to one end of the shank to project from that end. At least two sleeve segments are provided and those segments are circumferentially fixed about the shank to form a substantially annular sleeve. The sleeve can be fixed about the shank in non-contacting relationship with the trailing end of the cutting tip. Moreover, the cutting tip can have a portion of maximum diameter which is of greater diameter than the inner diameter of the sleeve so that the portion of maximum diameter overlies the sleeve radially.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: June 21, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Steven Lee Weaver, Matthew Kenny
  • Tool for chip removing machining and a basic body therefor
    Patent number: 7959384
    Abstract: In an embodiment, the invention provides a tool for chip removing machining, including a replaceable cutting insert and a basic body. The basic body includes a rear fixing part, a front supporting part having an insert seat, and a tightening part spaced apart from the front supporting part by a first gap and from the rear fixing part by a second gap. The tightening part is connected to the basic body via a joint around which the tightening part is pivoted to press the cutting insert against the insert seat by a front finger. The rear fixing part includes a first channel having an inlet and an outlet for feed of a fluid toward the cutting insert. The tightening part includes an internal, second channel that extends between an inlet and an outlet.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: June 14, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventor: Anders Breisch
  • MULTILAYERED COATED CUTTING TOOL
    Publication number: 20110135898
    Abstract: A coated cutting tool includes a substrate and a PVD coating having an outermost zone C being a nitride, carbide, boride, or mixtures thereof, of Si and at least two additional elements selected from Al, Y, and groups 4, 5 or 6 of the periodic table and zone C is free from a compositional gradient of an average content of Si. Zone C has a laminar, aperiodic, multilayered structure with alternating individual layers X and Y having different compositions from each other. The coating further includes a zone A closest to the substrate, a transitional zone B, where zone A is essentially free from Si, zone B includes a compositional gradient of the average content of Si, and where the average content of Si is increasing towards zone C.
    Type: Application
    Filed: December 3, 2010
    Publication date: June 9, 2011
    Applicant: Sandvik Intellectual Property AB
    Inventors: Johan BÖHLMARK, Helen BLOMQVIST
  • Method for controlling process parameters of a cone crusher
    Patent number: 7954735
    Abstract: A crushing and reducing device, especially cone crushers, used in the building and ore-dressing industries. A method of controlling the operation of a cone crusher having an internal cone connected to an unbalanced vibrator, and an external cone. The method includes utilizing a measurement plane being connected to the internal cone, measuring distances between the measurement plane and a frame of the crusher, and calculating an angle of inclination of the inner cone. The method further includes controlling, based on the calculated angle of inclination of the inner cone, at least one parameter chosen among: the angle of inclination of the inner cone, and the size of a discharge gap between the internal cone and the external cone.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: June 7, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventor: Konstantin Evseevich Belotserkovsky
  • Anvil for a rotary cutting unit and a rotary cutting unit having such anvil
    Patent number: 7942088
    Abstract: A rotary cutting unit includes a rotary cutter overlying a rotatable anvil. The anvil includes an axle, at least one anvil portion adapted to co-operate with a knife member of a rotary cutter, and a pair of load transmitting portions adapted to abut a pair of abutment members of the rotary cutter. The pair of load transmitting portions are arranged on each side of the anvil portion. A load receiving member is provided between each load transmitting portion and the anvil portion. Each of the load receiving members is connected to the axle via a bearing. Fluid cylinders apply upward forces to the load receiving members, wherein the total upward force exceeds the weight of the anvil.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: May 17, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Gilbert Grenier, Dirk Harste
  • Wear part for a VSI-crusher, and a method of reducing the wear on the rotor of such a crusher
    Patent number: 7942357
    Abstract: A wear part for protecting a vertical rotor wall of a rotor of a VSI-crusher includes a wear body having a wear surface adapted for contacting abrasive particles. The wear surface is provided with at least one ridge extending over at least a portion of the wear surface. At least a portion of the length of the ridge is, when the wear part has been mounted to the vertical rotor wall, inclined in relation to a horizontal plane.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: May 17, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Rowan Dallimore, George Fensome, Knut Kjaerran
  • Anvil drum and an anvil assembly provided with such an anvil drum
    Patent number: 7942089
    Abstract: An anvil drum for a rotary cutting apparatus having a rotary axis comprises an axle on each axial side of the anvil and concentric with the axis. Each of the axles is adapted to receive a bearing, and an anvil surface substantially concentric with the rotary axis. A reference portion is provided including an axial reference surface coaxial to the axis and a radial surface perpendicular to the axis. At least one connection device is provided for connecting a cover member on each axial side of the anvil so as to cover the bearing, respectively. An anvil assembly is further provided with such an anvil drum and the bearings, each cover member being provided with a blind opening adapted arranged coaxially with respect to the axis.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: May 17, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventor: Gilbert Grenier
  • Horizontal shaft impact crusher
    Patent number: 7942356
    Abstract: A horizontal shaft impact crusher includes a housing, an impeller, and a first and a second curtain against which material accelerated by the impeller may be crushed, the second curtain being located downstream of the first curtain. The housing is provided with a first and a second pivot point for mounting a first end of the first curtain in two different positions relative to the impeller, a first adjustment device for mounting a second end of the first curtain, a third and a fourth pivot point for mounting a first end of the second curtain in two different positions relative to the impeller, and a second adjustment device for mounting a second end of the second curtain.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: May 17, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Rowan Dallimore, Laurent Tisserand
  • Drill tip
    Patent number: D637880
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: May 17, 2011
    Assignee: Sandvik Intellectual Property AB
    Inventors: Matthew Kenny, Steven Weaver