Patents Assigned to Sandvik
  • Milling insert and a side and face milling tool
    Patent number: 11612942
    Abstract: A milling insert for a side and face milling tool includes an upper side defining an upper extension plane, a lower side defining a lower extension plane, and a side surface extending between the upper and the lower sides around a periphery of the insert that includes a main radial clearance surface, two opposite axial clearance surfaces and two corner clearance surfaces. At least one cutting edge is formed in a transition between the upper and the side surfaces, wherein each cutting edge includes a main cutting edge extending above the main radial clearance surface and two corner cutting edges extending above the corner clearance surfaces on opposite sides of the main cutting edge. The main cutting edge slopes downward toward a midpoint of the main cutting edge and the main cutting edge and the main radial clearance surface slope outward from the corner cutting edges toward the midpoint.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: March 28, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Linda Stefansson, Ulrik Sunnvius
  • Austenitic stainless alloy
    Patent number: 11603585
    Abstract: The present disclosure relates to an austenitic stainless alloy comprising in weight % (wt %): C less than 0.03; Si less than 1.0; Mn less than or equal to 1.2; Cr 26.0 to 30.0; Ni 29.0 to 37.0; Mo 6.1 to 7.1 or (Mo+W/2) 6.1 to 7.1; N 0.25 to 0.36; P less than or equal to 0.04; S less than or equal to 0.03; Cu less than or equal to 0.4; balance Fe and unavoidable impurities and to the use thereof and to products made thereof. Thus, the austenitic stainless alloy comprises a low content of manganese in combination with a high content of nitrogen. The present disclosure also relates to the use of said austenitic stainless alloy, especially in highly corrosive environments and to products made of thereof.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: March 14, 2023
    Assignee: Sandvik Intellectual Property AB
    Inventors: Ulf Kivisakk, Karin Antonsson, Peter Stenvall
  • Tube and a method of manufacturing a tube
    Patent number: 11602780
    Abstract: A high temperature iron-chromium-aluminium (FeCrAl) alloy tube extending along a longitudinal axis, wherein the tube is formed from a continuous strip of a high temperature FeCrAl alloy and comprises a helical welded seam. The high temperature FeCrAl alloy tube is manufactured by feeding a continuous strip of the high temperature FeCrAl alloy toward a tube shaping station, helically winding the strip such that long edges of the strip abut each other and a rotating tube moving forward in a direction parallel to its longitudinal axis is formed, and continuously joining said abutting long edges together in a welding process directly when the tube is formed, whereby a welded tube comprising a helical welded seam is obtained.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: March 14, 2023
    Assignee: Sandvik Intellectual Property AB
    Inventor: Krister Wickman
  • Turning tool and turning method for CNC-machines
    Patent number: 11597017
    Abstract: A cutting tool for turning includes a coupling portion, an intermediate portion and a cutting portion. The intermediate portion extends along a longitudinal center axis thereof between the coupling portion and the cutting portion. The cutting portion includes a first and a second nose portion. The first nose portion has a first cutting edge, a second cutting edge, and a convex nose cutting edge connecting the first and second cutting edges. The first and second cutting edges form a nose angle less than 90°. A longitudinal center axis of the coupling portion defines a tool rotational axis. The cutting portion includes a top surface, the top surface facing away from the coupling portion and the first and the second nose portions each form free ends of the cutting tool.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: March 7, 2023
    Assignee: AB Sandvik Coromant
    Inventor: Per-Anders Stjernstedt
  • Coupling for connecting downhole tubulars
    Patent number: 11598159
    Abstract: A coupling for connecting downhole tubulars includes a tubular body, and at least one thread of a male screw thread formed on an outer surface of the body, and a female screw thread formed in an inner surface of the body. The at least one thread has a thread-form including a crest, a root, and a pair of flanks. The crest and the root are each cambered about a respective first and second camber radius. Each camber radius is greater than an outer diameter of the coupling.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: March 7, 2023
    Assignee: Sandvik Mining and Construction Tools AB
    Inventor: Andreas Rindeskar
  • Zone passage control in worksite
    Patent number: 11599124
    Abstract: A method for zone passage control in an underground worksite having a plurality of operation zones for autonomously operating mobile vehicle operations includes the steps of receiving position information of at least one autonomously operating mobile vehicle in a fusion zone merged of at least a first zone and a second zone associated with a first passage control unit, and in response to detecting a mobile object by a second passage control unit associated with the first zone, performing: checking position of the at least one autonomously operating mobile vehicle, in response to an autonomously operating mobile vehicle being positioned in the second zone, preventing a control command to stop the autonomously operating mobile vehicle in the second zone, and demerging the first zone and the second zone.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: March 7, 2023
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Jarkko Ruokojarvi, Antti Lehtinen, Janne Kallio
  • Cutting tool
    Patent number: 11590572
    Abstract: A method of making a cutting tool includes providing a first sintered cemented carbide body of a WC, a metallic binder phase and eta phase and wherein the substoichiometric carbon content in the cemented carbide is between ?0.30 to ?0.16 wt %. The first sintered cemented carbide body is subjected to a heat treatment at a temperature of between 500 to 830° C. for a time between 1 to 24 h. A cutting tool made according to the above method having an increased resistance against comb cracks is also provided.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: February 28, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Jose Luis Garcia, Marta Saraiva
  • Turning tool for metal cutting comprising a coolant channel
    Patent number: 11590580
    Abstract: A turning tool includes a tool body and a turning insert, and an insert seat in which the turning insert is mounted. The insert seat includes a bottom surface and a side surface, the side surface having a first surface and a second surface. The first surface includes a contact surface, wherein the contact surface is in contact with a portion of the side surface of the turning insert. The tool body includes a coolant channel, which extends between a coolant channel inlet and a coolant channel outlet opening into a void between the side surface of the turning insert and the first surface of the side surface of the insert seat.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: February 28, 2023
    Assignee: AB SANDVIK COROMANT
    Inventors: Ronnie Lof, Adam Johansson, Krister Wikblad
  • Drill device and method of manufacturing the same
    Patent number: 11590585
    Abstract: A drill device includes a drill tip and a drill body having a rear portion. The drill tip includes at least a first clearance surface and the drill body includes at least a first land having a margin. An edge is disposed between the first clearance surface and the margin. A textured area having a plurality of recesses extends along at least a portion of the margin, in the direction of the rear portion of the drill body, from a position of 200 ?m from the edge, from a position on the least first clearance surface, or from a position therebetween.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: February 28, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Ulrika Brohede, Maria Teike
  • Cutting tool part assembly
    Patent number: 11583936
    Abstract: A cutting head attachment assembly for a cutting tool includes a body forming an axially forward part of the cutting tool attachable to a cutting head via a clamping element and a fixation element. A guide surface provided at the body or cutting head extends in both a radial and an axial direction to support movement of the clamping element in both the radial and axial directions via actuation of the fixation element to force and clamp together axially the head and body.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: February 21, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Kaja Marie Flottorp, Reidar Hovtun
  • Friction rock bolt
    Patent number: 11585220
    Abstract: A friction rock bolt assembly is arranged to frictionally engage an internal surface of a bore formed in rock strata. The rock bolt includes an expander mechanism having at least two radially outer wedge elements engageable by an inner wedge element. The expander mechanism is configured for symmetrical displacement of the expander elements to provide controlled enlargement by the rock bolt within the borehole for secure anchorage.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: February 21, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Bradley Darlington, Peter Young, Mietek Rataj
  • Tool body including a damping apparatus and a machining tool having such a tool body
    Patent number: 11583937
    Abstract: A tool body includes a damping apparatus having a damper mass body with an axial through bore and a central tube received in the through bore and surrounded by a cavity. An elastic element is arranged on each side of the damper mass body and provided with two socket-like portions extending axially through a central hole of two disc-like members clamping the elastic element therebetween. The socket-like portions project in a rest state of the elastic element extend axially beyond the respective axially directed side of the respective disc-like member and are in an assembled state of the tool body compressed for sealing the cavity with respect to the exterior.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: February 21, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Einar Jensvold, Einar Ottesen, Audun Skjellnes, Einar Sundseth
  • Apparatus for feeding tube elements, rock drilling rig and method of supporting drill hole openings
    Patent number: 11578536
    Abstract: An apparatus for feeding a tubular object inside a drill hole, a rock drilling rig and a method of supporting mouth openings of drill holes is provided. The apparatus includes a support device for supporting an elongated tube element blank having the potential for several successive tube inserts. A front end of the tube element blank is moved longitudinally inside a drill hole by means of a feeding device. Thereby, the drill hole is provided with a protective section extending a limited longitudinal dimension towards a bottom of the drill hole. The apparatus further includes a separation device for detaching the mentioned tube inserts one by one from the tube element blank.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 14, 2023
    Assignee: SANDVIK MINING and CONSTRUCTION OY
    Inventors: Juha Piipponen, Johannes Välivaara
  • Apparatus and method for positioning rock drilling rig
    Patent number: 11566470
    Abstract: An apparatus, a method for positioning a rock drilling, and a rock drilling rig is provided. The rock drilling rig includes a mobile drilling platform and a drilling mast connected to the drilling platform. The drilling platform is levelled vertically before initiating drilling. The apparatus determines the needed vertical levelling requirement. The levelling causes displacement of a drilling tool line passing through a drilling tool. The apparatus estimates the displacement and provides aid for the operator to position the drilling platform in order to compensate for the estimated displacement distance.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: January 31, 2023
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Eemeli Haverinen, Heikki Tapola, Juha Lassila, Mervi Avelin, Tuomo Hirsikangas
  • Cutting insert and crank shaft milling tool
    Patent number: 11541467
    Abstract: A cutting insert includes a top face and a bottom face parallel to the top face. Four side faces and four corner faces extend between the top and bottom faces. At least one cutting edge is formed at an intersection of the top face and at least one of the corner faces and two of the side faces connected to the corner face. The top face forms a rake surface, while an upper part of the corner face and the two side faces form a relief surface connected to the cutting edge. In order to reduce the cycle time for crank shaft milling, the cutting insert has two diagonally opposed corners including an acute angle between 70° and 85°. At least one of the acute angled corners including the corner face providing a corner cutting edge. A disc milling tool including such cutting inserts is also provided.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: January 3, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventor: Stefan Knecht
  • Transport system for a wire or a sheet and method for delivering a wire or a sheet
    Patent number: 11541441
    Abstract: Transport system which makes to transport a wire or sheet of any length and with the required quality to the location of the use of the wire or the sheet. The transport system has a transport platform, a receptacle for the wire or the sheet, wherein the receptacle is configured such that the wire or the sheet may be received coiled on the receptacle, a drive, wherein the drive is configured such that the wire or the sheet may be conveyed by the drive in a transport direction, and a straightening device, wherein the straightening device is configured such that the wire or the sheet can be straightened with the straightening device, wherein the receptacle, the drive and the straightening device are arranged on the transport platform such that the wire or the sheet may be drawn automatically from the receptacle and fed to the straightening device by the drive.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: January 3, 2023
    Assignee: Sandvik Materials Technology Deutschland GmbH
    Inventors: Christofer Hedvall, Thomas Froböse
  • Gyratory crusher topshell
    Patent number: 11534768
    Abstract: A gyratory crusher topshell having an annular shell wall that is strengthened to minimize stress concentrations and increase the topshell operational lifetime. The topshell includes spider arms that are structurally reinforced at their radially inner regions and also has an annular wall that is reinforced at regions immediately below the spider arms to further increase strength and facilitate casting.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: December 27, 2022
    Assignee: SANDVIK SRP AB
    Inventors: Jan Johansson, Michael Skog, Sonny Ek, Magnus Fredriksson
  • Coated cutting tool
    Patent number: RE49475
    Abstract: A coated cutting tool having a substrate and a surface coating, wherein the coating includes a Ti(C,N) layer of at least one columnar fine-grained MTCVD Ti(C,N) layer with an average grain width of 0.05-0.2 ?m and an atomic ratio of carbon to the sum of carbon and nitrogen (C/(C+N)) contained in the MTCVD Ti(C,N) layer is in average 0.50-0.65.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: March 28, 2023
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventor: Carl Bjormander
  • Mesh clamp
    Patent number: D982428
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: April 4, 2023
    Assignee: Sandvik Mining and Construction Australia Pty Ltd.
    Inventors: Warren Roach, Peter Young, Mietek Rataj, Bradley Darlington
  • Mining truck
    Patent number: D982617
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: April 4, 2023
    Assignee: Sandvik Mining and Construction Oy
    Inventors: Jani Lietonen, Esko Laihonen, Kyle Hickey