Patents by Inventor Marianne Collin
Marianne Collin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8216702Abstract: A cutting tool insert includes a body of cemented carbide, cermet, ceramics, high speed steel (HSS), polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN), a hard and wear resistant coating is applied, grown by physical vapour deposition (PVD) such as cathodic are evaporation or magnetron sputtering. The coating includes at least one layer of (ZrxAl1-x)N with 0.05<x<0.30 with a thickness between 0.5 and 10 ?m. The layer has a nanocrystalline columnar microstructure consisting of a single cubic phase or a mixture of hexagonal and cubic phases. The insert is particularly useful in metal cutting applications generating high temperatures with improved edge integrity.Type: GrantFiled: June 15, 2011Date of Patent: July 10, 2012Assignee: Seco Tools ABInventors: Mats Johansson, Lina Rogstrom, Lars Johnson, Magnus Oden, Lars Hultman, Greger Hakansson, Marianne Collin, Jacob Sjolen
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Patent number: 8119227Abstract: A cutting tool includes a substrate on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein the coating includes a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components, wherein the layers Me1X and Me2X are different in composition or structure, the laminated multilayer layer has a compositional gradient, with regards to a concentration, in a direction from an outer surface of the coating towards the substrate, the gradient being such that a difference between an average concentration of an outermost portion of the multilayer and an average concentration of an innermost portion of the multilayer is at least about 5 at-% in absolute units.Type: GrantFiled: September 27, 2007Date of Patent: February 21, 2012Assignee: Sandvik Intellectual Property ABInventors: Ingrid Reineck, Marianne Collin, David Huy Trinh, Hans Högberg, Lars Hultman
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Patent number: 8119226Abstract: A cutting tool includes a substrate on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein the coating includes a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components with different composition and different structure which components include a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure and have individual layer thicknesses larger than about 0.4 nm but smaller than about 50 nm and where said laminated multilayer layer has a total thickness of between about 0.2 and about 20 ?m.Type: GrantFiled: September 27, 2007Date of Patent: February 21, 2012Assignee: Sandvik Intellectual Property ABInventors: Ingrid Reineck, Marianne Collin, Torbjörn Selinder
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Publication number: 20120009402Abstract: A cutting tool insert includes a body of cemented carbide, cermet, ceramics, high speed steel (HSS), polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN), a hard and wear resistant coating is applied, grown by physical vapour deposition (PVD) such as cathodic are evaporation or magnetron sputtering. The coating includes at least one layer of (ZrxAl1-x)N with 0.05<x<0.30 with a thickness between 0.5 and 10 ?m. The layer has a nanocrystalline columnar microstructure consisting of a single cubic phase or a mixture of hexagonal and cubic phases. The insert is particularly useful in metal cutting applications generating high temperatures with improved edge integrity.Type: ApplicationFiled: June 15, 2011Publication date: January 12, 2012Applicant: SECO TOOLS ABInventors: Mats Johansson, Lina Rogstrom, Lars Johnson, Magnus Oden, Lars Hultman, Greger Hakansson, Marianne Collin, Jacob Sjolen
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Patent number: 7968182Abstract: 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: GrantFiled: April 17, 2006Date of Patent: June 28, 2011Assignee: Sandvik Intellectual Property ABInventors: David Huy Trinh, Hans Högberg, Lars Hultman, Marianne Collin, Ingrid Reineck
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Patent number: 7708936Abstract: A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the fine grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool is also disclosed.Type: GrantFiled: October 23, 2008Date of Patent: May 4, 2010Assignee: Sandvik Intellectual Property AktiebolagInventors: Marianne Collin, Susanne Norgren, Håkan Engström
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Patent number: 7678327Abstract: A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the smaller grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool insert/button is also disclosed.Type: GrantFiled: August 11, 2008Date of Patent: March 16, 2010Assignee: Sandvik Intellectual Property AktiebolagInventors: Mathias Tillman, Susanne Norgren, Marianne Collin
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Publication number: 20090110817Abstract: A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the fine grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool is also disclosed.Type: ApplicationFiled: October 23, 2008Publication date: April 30, 2009Applicant: SANDVIK INTELLECTUAL PROPERTY AKTIEBOLAGInventors: Marianne Collin, Susanne Norgren, Hakan Engstrom
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Publication number: 20090014927Abstract: A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the smaller grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool insert/button is also disclosed.Type: ApplicationFiled: August 11, 2008Publication date: January 15, 2009Inventors: Mathias TILLMAN, Susanne Norgren, Marianne Collin
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Patent number: 7449043Abstract: A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the fine grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool is also disclosed.Type: GrantFiled: December 15, 2004Date of Patent: November 11, 2008Assignee: Sandvik Intellectual Property AktiebolagInventors: Marianne Collin, Susanne Norgren, Håkan Engstrōm
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Patent number: 7427310Abstract: A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the smaller grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool insert/button is also disclosed.Type: GrantFiled: December 15, 2004Date of Patent: September 23, 2008Assignee: Sandvik Intellectual Property ABInventors: Mathias Tillman, Susanne Norgren, Marianne Collin
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Publication number: 20080131677Abstract: The present invention relates to a cutting tool comprising a substrate of cemented carbide, cermet, ceramics, cubic boron nitride or high speed steel on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein said coating comprises a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where the metal atoms Me1 and Me2 are one or more of Ti, Nb, V, Mo, Zr, Cr, Al, Hf, Ta, Y and Si, and where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components, component A and component B, with different composition and different structure, which components comprise a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure or both and have individual layer thicknesses larger than about 0.Type: ApplicationFiled: September 27, 2007Publication date: June 5, 2008Inventors: Ingrid Reineck, Marianne Collin, David Huy Trinh, Hans Hogberg, Lars Hultman
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Publication number: 20080131219Abstract: The present invention relates to a cutting tool comprising a substrate of cemented carbide, cermet, ceramics, cubic boron nitride or high speed steel on which at least on the functioning parts of the surface thereof a thin, adherent, hard and wear resistant coating is applied, wherein said coating comprises a laminated multilayer of alternating PVD or PECVD metal oxide layers, Me1X+Me2X+Me1X+Me2X . . . , where the metal atoms Me1 and Me2 are one or more of Ti, Nb, V, Mo, Zr, Cr, Al, Hf, Ta, Y and Si, and where at least one of Me1X and Me2X is a metal oxide+metal oxide nano-composite layer composed of two components, component A and component B, with different composition and different structure which components comprise a single phase oxide of one metal element or a solid solution of two or more metal oxides, wherein the layers Me1X and Me2X are different in composition or structure or both these properties and have individual layer thicknesses larger than about 0.Type: ApplicationFiled: September 27, 2007Publication date: June 5, 2008Inventors: Ingrid REINECK, Marianne COLLIN, Torbjorn SELINDER
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Publication number: 20060257691Abstract: 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: ApplicationFiled: April 17, 2006Publication date: November 16, 2006Inventors: David Trinh, Hans Hogberg, Lars Hultman, Marianne Collin, Ingrid Reineck
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Publication number: 20050147850Abstract: A cemented carbide cutting tool insert/button for mining and construction comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the smaller grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool insert/button is also disclosed.Type: ApplicationFiled: December 15, 2004Publication date: July 7, 2005Applicant: SANDVIK ABInventors: Mathias Tillman, Susanne Norgren, Marianne Collin
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Publication number: 20050129951Abstract: A cemented carbide tool comprising hard constituents in a binder phase of Co and/or Ni and at least one surface portion and an interior portion in which surface portion the grain size is smaller than in the interior portion is disclosed. The surface portion with the fine grain size has a lower binder phase content than the interior portion. A method to form the cemented carbide cutting tool is also disclosed.Type: ApplicationFiled: December 15, 2004Publication date: June 16, 2005Applicant: SANDVIK ABInventors: Marianne Collin, Susanne Norgren, Hakan Engstrom
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Patent number: 6187254Abstract: The present invention relates to a method for sintering of a silicon nitride based material using gas pressure sintering technique. It has been found that using a sintering atmosphere containing nitrogen and 0.1-10 vol-% carbon monoxide a cutting tool material is obtained with improved properties, particularly increased edge toughness, when machining heat resistant alloys.Type: GrantFiled: January 15, 1999Date of Patent: February 13, 2001Assignee: Sandvik ABInventors: Marianne Collin, Marian Mikus
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Patent number: 6066582Abstract: The ceramic cutting tool material according to the present invention comprises a beta silicon nitride matrix with total amount of 0.5-10 weight %, preferably 0.5-6 weight %, of an intergranular phase and 0.05-3 weight % of at least one secondary crystalline phase of a transition metal carbide, nitride, carbonitride and/or silicide present as spherical particles with a size of 0.1-2 .mu.m, preferably submicron (0.01-1 .mu.m). The transition metal is preferably niobium and/or tantalum. The material has less than 1 volume %, preferably less than 0.3 volume %, porosity. The beta silicon nitride grains are to at least 10%, preferably more than 20%, elongated with an aspect ratio greater than 3, preferably greater than 5. The grain diameter of the beta silicon nitride grains is in the range of 0.2-10 .mu.m, preferably 0.2-5 .mu.m, and most preferably 0.2-3 .mu.m.Type: GrantFiled: January 14, 1999Date of Patent: May 23, 2000Assignee: Sandvik ABInventors: Marianne Collin, Magnus Ekelund
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Patent number: 5914286Abstract: There is disclosed a silicon nitride based cutting tool insert for chipforming machining of cast iron material having improved mechanical, chemical and wear properties. This is obtained by addition of one or more transition metal oxides which act as a sintering aid together with alumina and yttria and also promote the growth of elongated grains of beta silicon nitride during the sintering. Preferably, the inserts are provided with a wear resistant coating as known in the art. The ceramic cutting tool material according to the present invention comprises a beta silicon nitride matrix with total amount of 0.5-10 weight %, preferably 0.5-6 weight %, of an intergranular phase and 0.05-3 weight % of at least one secondary crystalline phase of a transition metal carbide, nitride, carbonitride and/or silicide present as spherical particles with a size of 0.1-2 .mu.m, preferably submicron (0.01-1 .mu.m). The transition metal is preferably niobium and/or tantalum.Type: GrantFiled: June 24, 1997Date of Patent: June 22, 1999Assignee: Sandvik ABInventors: Marianne Collin, Magnus Ekelund
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Patent number: 5688729Abstract: There is now provided a ceramic material comprising of alumina, 10-50% by volume, preferably 20-35% by volume, silicon carbide whiskers, 1-25% by volume, preferably 5-20% by volume, most preferably 7-15% by volume, zirconia and 1-20% by volume, preferably 3-15% by volume, titanium compound-containing cubic phase. If this cubic phase has a lattice spacing of 4.29 to 4.40 .ANG. and a zirconium content of 3-65 weight %, a material with improved performance when turning heat resistant material such as aged Iconel 718, is obtained.Type: GrantFiled: June 13, 1996Date of Patent: November 18, 1997Assignee: Sandvik ABInventors: Mats Andersson, Marianne Collin