Patents Assigned to Seco Tools AB
  • COATED CUTTING TOOL FOR GENERAL TURNING IN HEAT RESISTANT SUPER ALLOYS (HRSA)
    Publication number: 20110303061
    Abstract: Coated cemented carbide inserts are particularly useful in general turning of superalloys. The inserts are formed from a cemented carbide of WC about 5.0-7.0 wt-% Co, and about 0.22-0.43 wt-% Cr, where the substrate has a coercivity (Hc) of about 19-28 kA/m. The coating contains a single layer of (TixAl1-x)N-layer, where x is 0.25-0.50, with a crystal structure of NaCl type, a total thickness of about 3.0-5.0 ?m, (200)-texture, and a compressive residual strain of about 2.5×10?3-5.0×10?3, optionally containing an outermost TiN-layer.
    Type: Application
    Filed: August 25, 2011
    Publication date: December 15, 2011
    Applicant: SECO TOOLS AB
    Inventors: Erik SUNDSTROM, Rachid M'SAOUBI, Jon ANDERSSON
  • CUTTING INSERT WITH RECESSED INSERT SUPPORTING SURFACE, AND CUTTING TOOL
    Publication number: 20110305535
    Abstract: A cutting insert includes a first chip surface, a second surface on an opposite side of the insert from the first chip surface, and a side surface extending between the first chip surface and the second surface, at least part of one first cutting edge being defined by an intersection of the side surface with the first chip surface. The side surface includes at least one recess, the recess including an insert supporting surface for supporting the insert relative to a protruding abutment surface on a toolholder and a flat auxiliary insert supporting surface for supporting the insert relative to a non-protruding, flat abutment surface. A cutting tool is also provided.
    Type: Application
    Filed: February 26, 2010
    Publication date: December 15, 2011
    Applicant: SECO TOOLS AB
    Inventor: Mikael Jansson
  • Layered coated cutting tool
    Patent number: 8075744
    Abstract: A cutting tool insert is formed from a substrate selected from cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel. The insert includes a hard and wear-resistant coating formed from laminar polycrystalline metal nitrides layers. The laminar polycrystalline metal nitrides layers have a repetitive form . . . A/B/A/C/A/B/A/C/ . . . with a total thickness of about 0.5 ?m to about 5 ?m.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: December 13, 2011
    Assignee: Seco Tools AB
    Inventors: Mats Johansson, Jon Andersson, Jacob Sjolen
  • Oxide coated cutting insert
    Patent number: 8075743
    Abstract: A cutting tool insert, particularly useful for machining of cast iron, comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel a hard and wear resistant coating; and at least (Al,Cr)2O3 layer applied to said body is disclosed. Methods of making a cutting tool insert are also disclosed. In addition, methods for machining of cast iron using the cutting tool inserts are disclosed.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: December 13, 2011
    Assignee: Seco Tools AB
    Inventors: Tommy Larsson, Mats Johansson
  • CUTTING TOOL AND CUTTING INSERT WITH FLUID FLOW STRUCTURES
    Publication number: 20110299944
    Abstract: A cutting tool includes a cutting insert comprising a top surface, a bottom surface, a clamping surface for abutting a clamp, a cutting edge, a hole extending through the insert from the bottom surface to the clamping surface, and a channel extending from the clamping surface to proximate the cutting edge, and a tool holder comprising a tool holder body having a pocket for receiving the insert, a clamp for contacting the clamping surface and clamping the insert in the pocket, and a tool holder passage in the body in flow communication with the hole in the insert. A cutting insert is also provided.
    Type: Application
    Filed: February 19, 2010
    Publication date: December 8, 2011
    Applicant: SECO TOOLS AB
    Inventor: Volker Höfermann
  • COATED CUTTING INSERT
    Publication number: 20110299950
    Abstract: Coated cemented carbide inserts (cutting tools), particularly useful for wet or dry machining of steels and stainless steels, are disclosed. The cutting tool insert is characterized by a cemented carbide substrate and a coating formed from an about 0.5 to 5 ?m thick innermost layer of (Ti,Al)N and an about 1 to 5 ?m thick layer of (Al,Cr)2O3.
    Type: Application
    Filed: August 15, 2011
    Publication date: December 8, 2011
    Applicant: SECO TOOLS AB
    Inventor: Tommy LARSSON
  • METHOD FOR MAKING CEMENTED CARBIDE PRODUCTS
    Publication number: 20110301284
    Abstract: A method for injection moulding or extrusion of cemented carbide or cermet parts with a solids loading of ?=0.54-0.56, using a binder system, includes 30-60 wt-% olefinic polymers, 40-70 wt-% waxes. The binder system further contains 2.5-10 wt-% petroleum jelly. A binder system for injection moulding or extrusion of cemented carbide or cermet parts, including 30-60 wt-% olefinic polymers, 40-70 wt-% waxes and further containing 2.5-10 wt-% petroleum jelly is also disclosed.
    Type: Application
    Filed: February 16, 2010
    Publication date: December 8, 2011
    Applicant: SECO TOOLS AB
    Inventors: Per Jonsson, Mattias Puide
  • Broach tool and a broach insert
    Patent number: 8070396
    Abstract: A broach tool and a broach insert for chip removing machining of metals are provided. The broach tool includes an elongate holder and at least one cutting unit. The holder comprises at least one recess for the receipt of the cutting unit. The broach tool has a feeding direction. The broach tool includes clamping members for each cutting unit. Each clamping member is arranged in front of the cutting unit in the feeding direction. The cutting unit is a replaceable broach insert including a base part and a cutting part. A notch is formed centrally in a rear side surface of the broach insert. The recess includes a rear wall formed with a projection, the cross section of which is U-shaped and includes arms. The arms are arranged to be elastically deformed by the notch.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: December 6, 2011
    Assignee: Seco Tools AB
    Inventors: Jorma Koskinen, Jorgen Borgstrom, Pajazit Avdovic
  • LAYERED COATED CUTTING TOOL
    Publication number: 20110293384
    Abstract: A cutting tool insert is formed from a substrate selected from cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel. The insert includes a hard and wear-resistant coating formed from laminar polycrystalline metal nitrides layers. The laminar polycrystalline metal nitrides layers have a repetitive form . . . A/B/A/C/A/B/A/C/ . . . with a total thickness of about 0.5 ?m to about 5 ?m.
    Type: Application
    Filed: July 18, 2011
    Publication date: December 1, 2011
    Applicant: SECO TOOLS AB
    Inventors: Mats Johansson, Jon Andersson, Jacob Sjolen
  • Milling tool with cooperating projections and recesses between the cutting insert and the holder
    Patent number: 8066454
    Abstract: The present invention relates to an indexable cutting insert for an end mill for machining of contours in a workpiece and to a milling tool. The cutting insert is asymmetrical in respect of a line through a hole in the cutting insert. The cutting insert includes two cutting edge portions. Each cutting edge portion comprises of a substantially straight cutting edge and a curved cutting edge along respective intersecting lines between a clearance surface and a chip surface. The curved cutting edges have different lengths. The cutting insert includes recesses in a bottom side of the cutting insert. The recesses are arranged on both sides of and at different distances from the hole of the cutting insert.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: November 29, 2011
    Assignee: Seco Tools AB
    Inventors: Bertrand Riviere, Christer Jonsson, Matti Karonen
  • Cutting tool and insert for cutting tool
    Patent number: 8061937
    Abstract: A cutting tool includes a cutting insert and a toolholder including at least one insert supporting surface. A first clamp is adapted to apply a clamping force in a first direction to clamp the insert to the insert supporting surface, and a second clamp is adapted to limit rotation of the insert about an axis extending substantially in the first direction. The toolholder includes a second insert supporting surface. The second clamp applies a clamping force to the insert in a second direction to clamp the insert to the second insert supporting surface, and the second insert supporting surface is disposed on an opposite side of the insert from the second clamp.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: November 22, 2011
    Assignee: Seco Tools AB
    Inventors: Jorma Koskinen, Lars-Martin Hessleryd
  • FINE GRAINED CEMENTED CARBIDE POWDER MIXTURE WITH LOW SINTERING SHRINKAGE AND METHOD OF MAKING THE SAME
    Publication number: 20110271605
    Abstract: A fine grained cemented carbide powder mixture for cutting tool inserts for metal machining includes WC-powder with a Scott density of 2.75-3.75 g/cm3 and a compacting density after dry pressing at 100 MPa within 8.8-9.8 g/cm3. The sintering shrinkage of the fine grained cemented carbide powder mixture is 16.8 to 17.9% at a compacting pressure of 150 MPa. A method of making the powder mixture is also described.
    Type: Application
    Filed: February 16, 2010
    Publication date: November 10, 2011
    Applicant: SECO TOOLS AB
    Inventor: Jan Qvick
  • Coated cutting tool insert for milling
    Patent number: 8053064
    Abstract: The present invention relates to a coated cemented carbide insert (cutting tool), particularly useful for wet or dry milling of steels at high cutting speeds, milling of hardened steels, and high feed copy milling of tool steels. The cutting tool insert is characterised by a cemented carbide body comprising WC, NbC, and TaC, a W-alloyed Co binder phase, and a coating comprising an innermost layer of TiCxNyOz with equiaxed grains, a layer of TiCxNyOz with columnar grains and a layer of ?-Al2O3.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: November 8, 2011
    Assignee: Seco Tools AB
    Inventors: Andreas Larsson, Anna Sandberg
  • Coated cutting insert for milling applications
    Patent number: 8053063
    Abstract: Coated cemented carbide inserts (cutting tool), particularly useful for wet or dry milling of steels, are disclosed. The cutting tool insert is characterized by a cemented carbide body comprising WC, NbC and TaC, a W-alloyed Co binder phase, and a coating comprising an innermost layer of TiCxNyOz with equiaxed grains, a layer of TiCxNyOz with columnar grains and a layer of ?-Al2O3.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: November 8, 2011
    Assignee: Seco Tools AB
    Inventors: Anna Sandberg, Andreas Larsson, Tommy Larsson
  • MILLING TOOL WITH CLAMPING SCREW HAVING MALE GRIP AT END THEREOF
    Publication number: 20110268512
    Abstract: A milling tool includes a toolholder having an insert-receiving pocket, a cutting insert having a hole provided therein, the cutting insert being disposed in the pocket and a clamping screw having a male key grip at a first end and zero or more key grips at a second end. The clamping screw extends through the hole in the cutting insert into a threaded hole in the toolholder so that threads on the clamping screw mate with threads in the threaded hole. The male key grip is remote from the cutting insert. The second end of the clamping screw includes an enlarged head including a clamping surface that abuts a clamping surface in the hole of the cutting insert. A clamping screw suitable for a milling tool is also provided.
    Type: Application
    Filed: April 13, 2011
    Publication date: November 3, 2011
    Applicant: SECO TOOLS AB
    Inventor: Mikael Jansson
  • CERMET
    Publication number: 20110262296
    Abstract: A titanium based carbonitride alloy containing Ti, Nb, Ta, W, C, N and Co, contains: Co 7 to 21 wt % W 14 to 20 wt % Ta 5 to 11 wt % Nb 2 to 7 wt % and, Ti 33 to 50 wt % whereby the overall N/C weight ratio is 0.6 to 0.75, the Ta/Nb weight ratio 1.8 to 2.1, the relative saturation magnetization 0.60 to 0.90 and the magnetic coercivity Hc=(18.2?0.2*Co wt %) +/? E kA/m, where E is 2.0. A method of making the alloy is also described.
    Type: Application
    Filed: December 17, 2009
    Publication date: October 27, 2011
    Applicant: SECO TOOLS AB
    Inventors: Bo Jansson, Jenni Zackrisson, Tomas Persson
  • Oxide coated cutting insert
    Patent number: 8043482
    Abstract: A cutting tool insert, particularly useful for machining of steel and stainless steel, comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel a hard and wear resistant coating; and at least (Al,Cr)2O3 layer applied to said body is disclosed. Methods of making a cutting tool insert are also disclosed. In addition, methods for machining of cast iron using the cutting tool inserts are disclosed.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: October 25, 2011
    Assignee: Seco Tools AB
    Inventors: Tommy Larsson, Mats Johansson
  • METHOD FOR PRODUCING CEMENTED CARBIDE OR CERMET PRODUCTS
    Publication number: 20110248422
    Abstract: The present invention relates to a method for the production of tungsten carbide based cemented carbide or cermet tools or components using the powder injection moulding or extrusion method comprising mixing of granulated cemented carbide or cermet powder with an organic binder system whereby the mixing is made by adding all the constituents into a mixer heated to a temperature above the melting temperature of the organic binders. According to the invention the organic binders are added into the mixer, waiting for a melt to form and then slowly adding the cemented carbide or cermet powder into the melt, making sure the temperature does not fall below the melting temperatures of the organic binders.
    Type: Application
    Filed: November 18, 2009
    Publication date: October 13, 2011
    Applicant: SECO TOOLS AB
    Inventors: Regina Lundell, Per Jonsson, Mattias Puide
  • OXIDE COATED CUTTING INSERT
    Publication number: 20110250362
    Abstract: A cutting tool insert, particularly useful for machining of steel and stainless steel, comprising a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel a hard and wear resistant coating; and at least (Al,Cr)2O3 layer applied to said body is disclosed. Methods of making a cutting tool insert are also disclosed. In addition, methods for machining of cast iron using the cutting tool inserts are disclosed.
    Type: Application
    Filed: June 21, 2011
    Publication date: October 13, 2011
    Applicant: SECO TOOLS AB
    Inventors: Tommy LARSSON, Mats JOHANSSON
  • Drilling tool tip
    Patent number: D649988
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: December 6, 2011
    Assignee: Seco Tools AB
    Inventor: Stefan Frejd