Patents Assigned to Sandvik Intellectual Property
  • Patent number: 8967373
    Abstract: A conveyor, comprising; two opposite rolls (1, 2), a frame that comprises two opposite beams (3, 4) that carry the rolls (1, 2) and extend in their longitudinal direction between the rolls (1, 2), an endless metal belt (5) extending in a path around and carried by the two rolls (1, 2), and a support element (11) that extends between and is connected to each of the two beams (3, 4), wherein at least one of the rolls (1, 2) is displaceable in the longitudinal direction of the beams (3, 4) in order to enable tightening or loosing of the belt (5), and wherein there is provided a jack (10) that is connected to and acts on said roll (1) for said displacement thereof. The jack (10) is displaceable between at least two operative positions in the longitudinal direction of the beams (3, 4).
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: March 3, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventor: Erikkson Hakan Nils
  • Patent number: 8967516
    Abstract: A wear tip holder for holding a wear tip adjacent to an outflow opening of a vertical rotor wall of a rotor of a VSI crusher includes a mounting plate for mounting the wear tip holder to the rotor wall. The mounting plate has a mounting face for facing the rotor wall to which it is to be mounted and a wear face for facing the interior of the rotor. The wear face is provided with at least one material retention hole for retaining, at the wear face, at least one of a wear-resistant insert and material to be crushed.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: March 3, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Rowan Dallimore, Knut Kjaerran, Andreas Forsberg
  • Patent number: 8968642
    Abstract: A TiC-based cermet body includes TiC and WC so that the atomic ratio Ti/W is between 2 to 5, and cobalt as the binder phase is present in an amount of between 5 to 25 vol %. Further, the cermet body has at least one element from group V of the periodic table, Mx, so that the atomic ratio Ti/Mx is between 4 to 20 and the atomic ratio W/Mx is between 1 to 6. The cermet body also has Cr in an amount such that the atomic Cr/Co ratio is from 0.025 to 0.14. The cermet body includes both undissolved TiC cores with a rim of (Ti,W,Mx)C alloy as well as (Ti,W,Mx)C grains which have been formed during sintering. A method of making a cermet body is also disclosed.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: March 3, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Malin Mårtensson, Gerold Weinl
  • Patent number: 8967504
    Abstract: A horizontal shaft impact crusher comprises a crusher housing having an inlet for material to be crushed, an outlet for material that has been crushed, an impeller being mounted on a horizontal shaft in the crusher housing and being operative for rotating around a horizontal axis, a curtain against which material accelerated by the impeller may be crushed, and an adjustment bar for adjusting the position of said curtain relative to the impeller. The crusher is further provided with a cross beam to which said adjustment bar is connected, said crossbeam being adjustable relative to the impeller, and a curtain position indicator device indicating the position of the cross beam relative to the impeller, thereby indicating the position of the curtain relative to the impeller.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: March 3, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Rowan Dallimore, Knut Kjaerran, Andreas Forsberg
  • Patent number: 8961075
    Abstract: A milling tool for slot milling includes a tool body and a plurality of separated first seats, which form root insert seats for root inserts arranged one after the other along a first line and a plurality of separated flank insert seats that includes a plurality of second seats for flank inserts . The plurality of second seats is arranged one after the other along a second line on a primary side of the root insert seats. A plurality of third seats for flank inserts is arranged one after the other along a third line on a secondary side of the root insert seats. Each flank insert seat includes a bottom surface, an inner side surface, and an outer side surface. Each flank insert includes an under side, an opposite upper side, and a circumferential edge side that forms a rake face connecting the upper side and the underside.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: February 24, 2015
    Assignee: Sandvik Intellectual Property AS
    Inventor: Thomas Sågström
  • Patent number: 8960810
    Abstract: A cutting bit for use in a heavy-duty mining, drilling or milling operation includes a generally conical body, a first end of which presents a cutting point and a second end of which presents an axially extending recess. The body has a generally convex surface portion. Locking means releasably and rotatably connect the cutting bit to a protruding part of a bit holder. The recess has an entrance portion presenting a generally conical surface portion. A corresponding bit holder is presented as well as a system using the cutting bit and bit holder.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: February 24, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventor: Joseph Fader
  • Patent number: 8960577
    Abstract: A method of crushing material between a first crushing surface and a second crushing surface of a crusher, including the steps of measuring a crushing parameter, and analyzing, based on the measured crushing parameter, which type of material that is being crushed in the crusher.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: February 24, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bengt Olof Tjell, Christian Ottergren
  • Patent number: 8960445
    Abstract: A support structure for supporting screening media in a vibrating screen. The support structure is received on longitudinal beams of the vibrating screen. The support structure is formed of fixation strips having fixation parts, on which fixation parts carriers are received. The fixation strips and carriers are placed perpendicular to each other.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: February 24, 2015
    Assignee: Sandvik Intellectual Property
    Inventor: Mats Malmberg
  • Patent number: 8956092
    Abstract: Device and method for milling of materials including a milling cutter body including a first end portion and an opposite second end portion. The first end portion is connected to a rotatable spindle and the second end portion is provided with at least one cutting edge. The milling cutter body defines a longitudinal axis and is provided with an axial recess, wherein at least one mass element is arranged in the recess. The axial position of the mass element in relation to the milling cutter body is tuned by use of tuning members included in the device for the tuning of the natural frequency of the device. The mass element is axially locked in relation to the milling cutter body by use of lock members included in the device, in order to optimize the natural frequency of the device for the milling operation in question.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: February 17, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Mikael Lundblad, Anders Liljerehn
  • Publication number: 20150034515
    Abstract: Container for tools for excavating and cutting geological formations has a base structure with an interior volume accessible via an opening and a lid connected to the base structure to close the opening. A visibility enhancing feature is incorporated into one or more of the lid and the base structure, the visibility enhancing feature based on luminescence or reflectance. A kit including the container and methods of illuminating a portion of an underground mine and of identifying a tool located in an underground mine are also disclosed. When placed in an underground mine and irradiated or illuminated, visible electromagnetic radiation associated with the visibility enhancing feature can illuminate a structure of the underground mine, illuminate a content of the container and/or be an indicia of the tool stored in the container.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 5, 2015
    Applicant: Sandvik Intellectual Property AB
    Inventors: Kenneth Monyak, Tadeusz Kozminski
  • Patent number: 8926234
    Abstract: An indexable end-milling insert including an underside, an upperside and a plurality of cutting edges that are formed between the upperside and a number of clearance sides and that include a chip-removing main edge as well as a surface-wiping wiper edge. The cutting insert has a square basic shape and includes four main edges and four wiper edges that are countersunk to a lower level than the main edges. The wiper edge is included in a lip projecting in relation to a secondary clearance surface and has a tertiary clearance surface, which laterally transforms into a primary clearance surface. The primary clearance surface has a width that decreases from the two opposite ends thereof toward a section having a smallest width therebetween.
    Type: Grant
    Filed: May 2, 2008
    Date of Patent: January 6, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Tord Engström, Göran Pantzar, Patrik Svedberg, Magnus Åström
  • Patent number: 8926232
    Abstract: Milling tool formed for hobbing of workpieces having cogs has a cylindrical tool body defining a rotation axis and a plurality of disc-shaped segments. Each segment includes a hub part having two opposite plane-parallel end surfaces extending perpendicular to the rotation axis, and a peripheral cam having a plurality of tangentially spaced-apart milling inserts. Bordering segments are detachably interconnected by male and female members co-operating in pairs and situated with the rotation axis extending through the members, each of which include a contact surface converging from a big end toward a small end and, in a cross-section across the rotation axis, form an out-of-round curve. Contact surfaces are dimensioned so that, when members are brought together, they direct their two bordering segments toward an end position centered and mutually angularly determined by the out-of-round cross-section curve and where plane-parallel end surfaces abut against each other. An individual segment is disclosed.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: January 6, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventor: Sture Sjöö
  • Patent number: 8925171
    Abstract: A set of jaw crusher shims for positioning a movable jaw of a jaw crusher, the shims having at least a first and a second shim. Each of the first and second shims including projecting portions arranged to aid with loosening of the shims from each other. The first shim includes a first projecting portion and the second shim includes a second projecting portion. The first and second projecting portions are located at different locations along respective front edges of the first and second shims.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: January 6, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bengt-Arne Eriksson, Roger Sjobeck, Karin Ljunggren
  • Patent number: 8926769
    Abstract: The present application relates to an alloy for use at high temperature. The invention is characterized in that the alloy consists principally of Ni, Cr and Fe and in that the alloy has a principal composition such that the levels of the elements Fe, Si, C, Nb and Mo lie within the following intervals, given in percentage by weight: Fe 5-13 Si 1-3 C <0.1 Nb <0.2 Mo <1.0 and in that Ni comprises the balance, while its level does not exceed 69% and in that the level of Cr is greater than Cr=15% and in that it is less than the lower of the two values Cr=5*Si?2.5*Fe+42.5 and Cr=25.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: January 6, 2015
    Assignee: Sandvik Intellectual Property AB
    Inventor: Rikard Norling
  • Patent number: 8919824
    Abstract: A member of a joint for a thin-walled drill tube presents a central axis and has a thread for forming a screw joint. The thread presents a thread bottom, a thread top, a pressure flank and a clearance flank. The pressure flank presents a portion having a negative angle less than 7.5°, but at least 0°, relative to a direction perpendicular to the central axis.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: December 30, 2014
    Assignee: Sandvik Intellectual Property AB
    Inventor: Göran Bäck
  • Patent number: 8905337
    Abstract: A jaw crusher includes s a toggle beam having a piston rod arrangement seat, a toggle plate, a first toggle plate seat arranged between the toggle plate and a movable jaw, a second toggle plate seat arranged between the toggle plate and the toggle beam, and a positioning device having a movable piston rod arrangement received by the piston rod arrangement seat of the toggle beam. The jaw crusher further has a toggle plate squeezing device including a contraction member. The squeezing device has a first mounting member connected to the movable jaw, and a second mounting member connected to the piston rod arrangement, to exert a pressing force on the first toggle plate seat, the second toggle plate seat and the piston rod arrangement seat.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: December 9, 2014
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bengt-Arne Eriksson, Roger Sjobeck, Karin Ljunggren
  • Patent number: 8906171
    Abstract: The invention relates to a method of producing a TWIP and nano twinned austenitic stainless steel. The austenitic steel should not contain more than 0.018 wt % C, 0.25-0.75 wt % Si, 1.5-2 wt % Mn, 17.80-19.60 wt % Cr, 24.00-25.25 wt % Ni, 3.75-4.85 wt % Mo, 1.26-2.78 wt % Cu, 0.04-0.15 wt % N, and the balance of Fe. In order to form nano twins in the material the austenitic stainless steel should be brought to a temperature below 0° C., and imparted a plastic deformation to such a degree that the desired nano twins are formed, e.g. to a plastic deformation of around 30%. The invention also relates to the thus produced austenitic stainless steel.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: December 9, 2014
    Assignee: Sandvik Intellectual Property
    Inventors: Ulrika Magnusson, Guocai Chai
  • Publication number: 20140345953
    Abstract: A bit for a percussive hammer includes an elongated shank, a head at a first end of the shank, and an array of lengthwise extending spline portions defining outwardly extending retention lugs at or toward a further end of the shank. At least a side face of at least one lug is blended into the shank of the bit.
    Type: Application
    Filed: December 7, 2012
    Publication date: November 27, 2014
    Applicant: Sandvik Intellectual Property AB
    Inventors: Conny Seppala, Tomas Sh Jansson
  • Publication number: 20140339347
    Abstract: A cone crusher includes an outer crushing shell and an inner crushing shell forming a crushing gap there between. The outer crushing shell is supported on an upper frame member in vertically adjustable engagement with a lower frame member. A sensor arrangement having a sensor element is provided for measuring the vertical position of the outer crushing shell. The cone crusher further includes a target means arranged to be detectable by the sensor element, wherein one of the target means and the sensor element are arranged to follow vertical movement of the upper frame member and to move in relation to the other one of the target means and the sensor element. The sensor element includes a vertical sensing array which extends in a vertical direction along at least a portion of a range within which the target means may be moved upon adjusting the vertical position of the upper frame member.
    Type: Application
    Filed: November 13, 2012
    Publication date: November 20, 2014
    Applicant: Sandvik Intellectual Property AB
    Inventors: Konstantin Belotserkovskiy, Rickard Svensson
  • Patent number: 8889063
    Abstract: The present invention relates to a method of making cutting tools comprising a substrate having a hard phase and a binder phase, the method comprising forming green powder compacts using powder metallurgical techniques, charging the green powder compacts, placed on one or several trays, in a furnace and sintering the green powder compacts wherein the furnace comprises an insulation package, at least three individually controlled heating elements located inside the insulation package including a vertical heating element, an upper horizontal heating element arranged in an upper part of the furnace, and a lower horizontal heating element arranged in a lower part of the furnace, wherein operating the at least three heating elements such that an average controlled cooling rate from a sintering temperature down to at least a solidification temperature of the binder phase is 0.1-4.0° C./min, and a sintering furnace operable to obtain a controlled cooling rate.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: November 18, 2014
    Assignee: Sandvik Intellectual Property AB
    Inventors: Anders Karlsson, Gunilla Anderson, Peter Björkhagen, Per Gustafson, Marco Zwinkels