Patents Assigned to Sandvik
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Patent number: 7642476Abstract: A push-button arrangement and a push-button. The push-button comprises a fastening sleeve portion having a press portion at a first end thereof and a fastening member at a second end thereof for connecting the push-button to a fastening hole in a fastening plate. The outer surface of the fastening sleeve portion is provided with at least one conical sealing surface and the fastening hole, correspondingly, with a conical counter surface.Type: GrantFiled: February 13, 2007Date of Patent: January 5, 2010Assignee: Sandvik Mining and Construction OyInventors: Isto Virtanen, Toni Karvonen, Eero Kumanto, Martti Muranen
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Patent number: 7641422Abstract: A cutting tool for parting and grooving operations of the kind including a coupling part, which is intended for mounting the cutting tool in a machine tool, and a tool head detachably connected to the coupling part. The tool head includes a basic holder part and, joined to the basic holder part, a blade part, in front portion of which an insert pocket is formed, in which a cutting insert is fastenable. The cutting tool also includes means for supplying cooling agent to the cutting insert. The cooling agent supplying means includes a tube member, which is mounted in a recess, which is transverse to the longitudinal direction of the blade part and arranged in the tool head. The tube member has an inlet for connection to a cooling agent source and an outlet for leading the cooling agent in a direction towards the cutting insert.Type: GrantFiled: February 22, 2005Date of Patent: January 5, 2010Assignee: Sandvik Intellectual Property ABInventors: Erik Berminge, Per Hansson
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Patent number: 7641710Abstract: The present invention relates to cemented carbide for steel tire cord drawing operations. The cemented carbide comprises WC with an ultra fine grain size and greater than 5 and less than 10 wt-% Co, including grain growth inhibitors (V and/or Cr) and with a specific relation between HV30 and cobalt content.Type: GrantFiled: May 25, 2006Date of Patent: January 5, 2010Assignee: Sandvik Intellectual Property ABInventors: Håkan Engström, Luis Miñarro i Bruguera, Vasco i Salas
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Publication number: 20090324349Abstract: A turning tool including a basic body having an insert seat, an indexable turning insert having a triangular basic shape, and a tightening element fixing the turning insert in the insert seat. The insert includes an upperside and an underside between which three side surfaces extend that are situated in a first imaginary, equilateral triangle and therefore converge in pairs at an angle of 60° toward corners in which cutting edges are included. The turning insert is engaged with the insert seat via an interface that includes elongate and straight, female-like and male-like engagement members, which are in engagement with each other in order to prevent turning of the turning insert. The insert seat includes a supporting surface having a corner section against which an active corner of the turning insert is applied.Type: ApplicationFiled: September 4, 2009Publication date: December 31, 2009Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Claes Andersson, Gunnar Jansson
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Publication number: 20090321133Abstract: A rock drilling apparatus with several actuator units, a user interface control unit, and at least one control means connected to the user interface control unit for controlling the functions of the rock drilling apparatus, and for each actuator unit, a control element connected under the control of the user interface control unit for controlling the operation of the actuator unit in accordance with control signals provided by the user interface control unit, and a method for controlling the rock drilling apparatus. When the control element of an actuator unit of the rock drilling apparatus turns faulty, the control element of another actuator unit is connected to control the first actuator unit when the other actuator unit need not be controlled.Type: ApplicationFiled: August 9, 2007Publication date: December 31, 2009Applicant: Sandvik Mining and Construction OyInventors: Timo Kemppainen, Jukka Osara
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Patent number: 7637378Abstract: A screening deck for the screening of crushed stone material includes a plurality of screening elements arranged adjacent one another. At least one side of each screening element is non-parallel with respect to a longitudinal direction of the screening deck. The screening deck includes at least two different types of screening elements which are arranged at different heights in the screening deck for creating narrowing passages and/or winding paths and/or steps for the material traveling on the screening deck.Type: GrantFiled: February 14, 2005Date of Patent: December 29, 2009Assignee: Sandvik Intellectual Property ABInventor: Mats Malmberg
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Patent number: 7637701Abstract: A tool and a cutting insert for chip removing machining, such as milling, turning or the like. The cutting insert includes a chip-removing main edge, which is separated from a center of the cutting insert and from which a clearance surface extends toward a transition to an underside in the form of a connecting surface, in which an elongate engagement means, e.g., a ridge, is included, which is situated nearer the transition than the center of the cutting insert, and includes a flank having the purpose of transferring cutting forces in the direction transverse to the length extension of the ridge. The ridge is the only active engagement means of an imaginary triangle between the center of the cutting insert and opposite ends of the transition, besides which the flank has a cross section-wise convex shape. In such a way, the active edge of the cutting insert is located in a desired exact position in relation to the tool, even if the cutting insert is impaired by minor form defects.Type: GrantFiled: December 4, 2006Date of Patent: December 29, 2009Assignee: Sandvik Intellectual Property ABInventor: Göran Pantzar
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Publication number: 20090309409Abstract: In a full-cut heading machine including a drill head (1) for hard rock, which is rotationally mounted about an axis of rotation (6) extending in the driving direction, as well as downstream extraction tools (5) for producing a floor widened in the floor region, the downstream extraction tools (5) are arranged on the shells, and optionally end faces, of rollers (3, 4) rotationally mounted transversely to the axis of rotation (6) of the drill head (1).Type: ApplicationFiled: September 19, 2007Publication date: December 17, 2009Applicant: Sandvik Mining and Construction G.m.b.H.Inventor: Peter Kogler
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Patent number: 7632046Abstract: A turning tool including a basic body having a pocket, a shim plate mounted in the pocket, and an indexable turning insert mounted in the pocket. The pocket opens in a front surface and in a side surface of the basic body, and accommodates two spaces spaced-apart level-wise, a lower space housing the shim plate and delimited by a bottom surface and two side support surfaces, which form an acute angle with each other, one of which is a primary side support surface and the other one a secondary side support surface, and an upper space housing the turning insert. The shim plate includes an upperside and an underside between which a pair of primary and secondary contact surfaces extend, which form an acute angle with each other and are urged against the primary and secondary side support surfaces in the pocket, as well as a pair of inactive surfaces extend in the form of an outer end surface and an outer side limiting surface, which together delimit a supporting corner section of the shim plate.Type: GrantFiled: November 13, 2007Date of Patent: December 15, 2009Assignee: Sandvik Intellectual Property ABInventors: Claes Andersson, Gunnar Jansson
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Patent number: 7634343Abstract: A method and system for stopping an unmanned mine vehicle in a predetermined position. The mine vehicle is driven at a low speed towards a physical. When the mine vehicle encounters the obstacle (7, 7a, 7b), a speed difference greater than a predetermined limit value is generated between the speed of the mine vehicle and the driving power transmission. The control system of the mine vehicle detects the exceeding of the limit value and stops the vehicle.Type: GrantFiled: March 25, 2004Date of Patent: December 15, 2009Assignee: Sandvik Mining and Construction OyInventor: Hannu Mäkelä
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Publication number: 20090304442Abstract: A connection assembly for connecting a first member to a second member, such as a wear strip to a portion of an excavating device, is described. The second member has a protruding boss and the first member has a recess complementary in shape to the protruding boss. The first member has an associated first bearing surface and the second member has an associated second bearing surface. The first and second bearing surfaces are, in use, opposed and separated by a tapered gap. The connection assembly further includes a wedge-shaped locking member. The wedge-shaped locking member is sized to locate within the tapered gap and is provided with a driving means to permit tightening or loosening of the locking member within the tapered gap.Type: ApplicationFiled: December 15, 2006Publication date: December 10, 2009Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Neil Dennis, Benjamin Hughes
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Patent number: 7629281Abstract: The present invention relates to a ceramic material consisting of ?-sialon (Si6?zAlzOzN), polytype 12H, an intergranular amorphous or partly crystalline phase, and containing yttrium with a z-value of from about 0.7 to less than about 1.5. The ceramic material is useful as cutting tool insert for machining of heat resistant super alloys, with good notch wear, acceptable flank wear and sufficient toughness.Type: GrantFiled: December 18, 2007Date of Patent: December 8, 2009Assignee: Sandvik Intellectual Property ABInventor: Erik Östhols
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Publication number: 20090294559Abstract: A crusher system includes a gyratory crusher, which has a crushing head, on which a first crushing shell is mounted; a frame, on which a second crushing shell is mounted; and a driving device, which is arranged to cause, by means of a rotating eccentric, the crushing head to execute a gyratory movement for crushing material. The crusher system includes a device for generating a signal that indicates the current tendency of the crushing head to spin; a device arranged to establish, based on the signal, a maximum allowable rotational speed for the eccentric; and a device arranged to adapt the rotational speed of the eccentric to a rotational speed that is lower than the maximum allowable rotational speed.Type: ApplicationFiled: May 29, 2009Publication date: December 3, 2009Applicant: Sandvik Intellectual Property ABInventors: Bengt-Arne Eriksson, Johan Gunnarsson
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Patent number: 7624822Abstract: A thread joint for transmitting percussive forces includes a male thread on a male member and a female thread on a female member. The male member includes a first portion including an outer surface having a maximum first outer cross section, a second portion having a second maximum outer dimension, and a third portion having the male thread formed thereon. The second portion is disposed axially between the first and third portions. The male thread includes a thread start and a thread end. The third portion terminates in an axially facing first end surface. The female member has a recess in which the female thread is formed, the female thread having a mouth defined by a ring-shaped second end surface. The recess includes a cylindrical inner surface disposed between the second end surface and the female thread. The inner surface faces the cylindrical center portion of the male member.Type: GrantFiled: October 9, 2002Date of Patent: December 1, 2009Assignee: Sandvik Intellectual Property ABInventors: Urban Olsson, Monica Olsson, legal representative, Per-Olof Liljebrand
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Patent number: 7625156Abstract: A cylindrical cutter is disclosed of the type that includes a milling body rotatable around a geometrical axis having an envelope surface extending rearward from a end, in which surface a plurality of tangentially spaced flutes are formed, which separately includes a plurality of axially spaced-part insert pockets for releasably mounted cutting inserts, the active edges of which are partially overlapping each other, more precisely in imaginary, radially extending overlapping planes.Type: GrantFiled: December 13, 2004Date of Patent: December 1, 2009Assignee: Sandvik Intellectual Property ABInventor: Göran Pantzar
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Publication number: 20090288348Abstract: The present invention relates to a method of producing a composite diamond body from powders of diamond particles and powders forming a binder phase comprising cobalt powder having mainly a fcc-structure and a grain size (FSSS) of from about 0.2 to about 2.9 ?m., with a pressing and sintering operation. The present invention also relates to a composite diamond body made according to the method.Type: ApplicationFiled: May 18, 2009Publication date: November 26, 2009Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Malin MARTENSSON, Shirishkumar Bhosale, Anand Goswami, Shailesh Prabhune
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Patent number: 7621388Abstract: A roll and a roll spring, where spring is in the form of a ring-shaped body manufactured of an elastic material having two axially spaced-apart ends. In a front end of the spring body, at least one first slot opens which extends towards the rear end, without reaching the same, and which separates two forward-facing laminae. In the rear end, at least one second slot opens which extends towards the front end without reaching the same, and which separates two rearward-facing laminae. At each one of the two ends of the spring body, an end surface of a lamina is axially displaced in relation to the end surface of an adjacent lamina. When the spring is clamped between two rings of a roll shaft included in the roll, the protruding end surfaces are subjected to compressive forces that generate a labyrinth-shaped train of spring forces between the end surfaces.Type: GrantFiled: June 6, 2006Date of Patent: November 24, 2009Assignee: Sandvik Intellectual Property ABInventors: Jaroslav Vlk, Jorge Gleizer, Jerker Andersson
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Publication number: 20090285646Abstract: A milling insert, including an upperside, an underside, and a reference plane parallel to the upperside and the underside. A plurality of indexable cutting edges are formed along a peripheral borderline in transitions between at least the upperside and a number of clearance surfaces. Each cutting edge includes a chip-removing main edge and a surface-wiping secondary edge, the secondary edge forming an obtuse angle with the main edge as viewed in planar view from the upperside. The main edge, from a first end of the main edge adjacent to the secondary edge, first declines toward the underside of the milling insert and then, from a lowest part, rises toward an opposite second end of the main edge. The secondary edge is inclined at an angle (?) in relation to the reference plane as viewed perpendicularly to the clearance surface of the secondary edge, such that a first end of the secondary edge connected to the main edge is situated on a lower level than the opposite, second end of the secondary edge.Type: ApplicationFiled: April 8, 2009Publication date: November 19, 2009Applicant: Sandvik Intellectual Property ABInventors: Amil Oprasic, Leif Widin, Stefan Roman, Lennart Wihlborg
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Publication number: 20090283228Abstract: A guide for aligning at least one mesh interstice of more than one respective mesh panel. The guide includes a first portion configured for engaging the first mesh panel and a second portion configured for engaging a further mesh panel is disclosed. When the first and second portions are engaged, the at least one mesh interstice of the respective first and further mesh panels are caused to substantially align.Type: ApplicationFiled: May 18, 2009Publication date: November 19, 2009Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventor: John HORSCH
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Publication number: 20090285049Abstract: An adapter system for fixing different screening media to a vibrating screen. By way of the adapter system, different side hold downs used for different screening media may be fixed to a wall of the vibrating screen without any modifications of the wall. The adapter system includes an insert to be placed in an opening of the wall. An adapter is attached to the insert at a desired height in relation to the insert. The insert has a number of parallel grooves co-operating with parallel ribs on the adapter in order to attach the adapter to the insert.Type: ApplicationFiled: May 13, 2009Publication date: November 19, 2009Applicant: Sandvik Intellectual Property ABInventor: Mats MALMBERG