Patents by Inventor Carl Bjormander
Carl Bjormander 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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Publication number: 20240033830Abstract: A cutting insert for cutting, milling or drilling of metal includes a body having an elongate recess extending along at least a portion of the body, a first layer covering interior side walls of the recess, and a sensor arrangement. The body includes a substrate. The sensor arrangement includes sa lead extending along the recess. The lead includes electrically conductive material, which is arranged in the recess such that the first layer is located between the electrically conductive material and the substrate. For at least a depth below which at least a portion of the electrically conductive material is arranged in the recess, a width of the recess measured at that depth between portions of the first layer covering opposite interior side walls of the recess is less than or equal to 80 micrometers.Type: ApplicationFiled: October 10, 2023Publication date: February 1, 2024Inventors: Carl BJORMANDER, Conny LUNDGREN
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Publication number: 20230093032Abstract: A coated cutting tool for metal machining has a base body of cemented carbide, cermet, ceramics, steel or high-speed steel, and a wear resistant coating deposited thereon. The coating includes a layer of Ti1-xAlxCyNz with 0.40?x?0.95, 0?y?0.10 and 0.85?z?1.15, and a portion of MeCaNb, 0?a?1, 0?b?1, a+b=1, present on the layer of Ti1-xAlxCyNz. The portion of MeCaNb covers from 5 to 28% of the layer of Ti1-xAlxCyNz. A process for the production of the coated cutting tool and the use of the coated cutting tool in machining of stainless steel is also provided.Type: ApplicationFiled: February 26, 2021Publication date: March 23, 2023Inventor: Carl BJORMANDER
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Publication number: 20200230709Abstract: A cutting insert for cutting, milling or drilling of metal includes a body having an elongate recess extending along at least a portion of the body, a first layer covering interior side walls of the recess, and a sensor arrangement. The body includes a substrate. The sensor arrangement includes sa lead extending along the recess. The lead includes electrically conductive material, which is arranged in the recess such that the first layer is located between the electrically conductive material and the substrate. For at least a depth below which at least a portion of the electrically conductive material is arranged in the recess, a width of the recess measured at that depth between portions of the first layer covering opposite interior side walls of the recess is less than or equal to 80 micrometers.Type: ApplicationFiled: October 3, 2018Publication date: July 23, 2020Inventors: Carl BJORMANDER, Conny LUNDGREN
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Patent number: 10598579Abstract: A cutting insert for cutting, milling or drilling of metal includes a sensor for detecting a predetermined wear of the cutting insert caused by operation thereof on a metal work piece, wherein the sensor includes at least two contact regions through which the sensor is connectable to external measuring circuitry. The sensor has at least two leads, which are connected to a respective of the at least two contact regions, wherein each lead presents a respective free end positioned such that, upon the predetermined wear caused by the operation of the cutting insert on a metal work piece, the free ends will be connected to each other by the metal work piece or by a chip resulting from the operation of the cutting insert on the metal work piece.Type: GrantFiled: May 31, 2016Date of Patent: March 24, 2020Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Vahid Kalhori, Carl Bjormander, Conny Lundgren
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Patent number: 10570509Abstract: A coated cutting tool for chip forming machining of metals includes a substrate having a surface coated with a chemical vapour deposition (CVD) coating. The coated cutting tool has a substrate coated with a coating including a layer of ?-Al2O3, wherein the ?-Al2O3 layer exhibits a dielectric loss of 10?6?tan ??0.0025, as measured with AC at 10 kHz, 100 mV at room temperature of 20° C.Type: GrantFiled: December 17, 2015Date of Patent: February 25, 2020Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Carl Bjormander, Erik Lindahl, Jan Engqvist
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Publication number: 20180180522Abstract: A cutting insert for cutting, milling or drilling of metal includes a sensor for detecting a predetermined wear of the cutting insert caused by operation thereof on a metal work piece, wherein the sensor includes at least two contact regions through which the sensor is connectable to external measuring circuitry. The sensor has at least two leads, which are connected to a respective of the at least two contact regions, wherein each lead presents a respective free end positioned such that, upon the predetermined wear caused by the operation of the cutting insert on a metal work piece, the free ends will be connected to each other by the metal work piece or by a chip resulting from the operation of the cutting insert on the metal work piece.Type: ApplicationFiled: May 31, 2016Publication date: June 28, 2018Inventors: Vahid KALHORI, Carl BJORMANDER, Conny LUNDGREN
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Patent number: 9956667Abstract: 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: GrantFiled: June 13, 2014Date of Patent: May 1, 2018Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander
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Patent number: 9950373Abstract: A coated cutting tool includes a substrate having a rake side, a clearance side and a cutting edge and a coating comprising a first layer and a second layer. The second layer has a sandwich structure of an inner layer, an intermediate layer and an outer layer, wherein the inner layer is exposed through an opening in the outer layer, the opening extending over at least a portion of the width of the cutting edge. Thereby, a double layer is provided in critical areas, whereas a single layer is provided in other areas. The double oxide layer is an aluminum oxide layer. A method for manufacturing the coated cutting tool is also provided.Type: GrantFiled: December 20, 2013Date of Patent: April 24, 2018Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander
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Patent number: 9945029Abstract: A coated cutting tool includes a substrate and a surface coating, wherein the coating is a Ti(C,N,O) layer comprising at least one columnar fine-grained MTCVD Ti(C,N) layer with an average grain width of 0.05-0.4 ?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 being on average 0.50-0.65. A method for manufacturing the coated cutting tool includes depositing the MTCVD Ti(C,N) layer.Type: GrantFiled: December 14, 2012Date of Patent: April 17, 2018Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander
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Patent number: 9849516Abstract: A coated cutting tool includes a substrate with a rake side, a clearance side and a cutting edge, and a coating including a first layer and a second layer. The second layer includes an inner layer and an outer layer, wherein the first layer is exposed through an opening in the inner layer and the opening extends over at least a portion of the width of the cutting edge. Thereby, a double layer is provided in critical areas, whereas a single layer is provided in other areas. Preferably, the double oxide layer includes aluminum oxide layers. A method for manufacturing the coated cutting tool is also provided.Type: GrantFiled: December 20, 2013Date of Patent: December 26, 2017Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander
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Publication number: 20170342554Abstract: A coated cutting tool for chip forming machining of metals includes a substrate having a surface coated with a chemical vapour deposition (CVD) coating. The coated cutting tool has a substrate coated with a coating including a layer of ?-Al2O3, wherein the ?-Al2O3 layer exhibits a dielectric loss of 10?6?tan ??0.0025, as measured with AC at 10 kHz, 100 mV at room temperature of 20° C.Type: ApplicationFiled: December 17, 2015Publication date: November 30, 2017Inventors: Carl BJORMANDER, Erik LINDAHL, Jan ENGQVIST
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Publication number: 20160136786Abstract: 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: ApplicationFiled: June 13, 2014Publication date: May 19, 2016Inventor: Carl BJORMANDER
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Publication number: 20150336176Abstract: A coated cutting tool includes a substrate with a rake side, a clearance side and a cutting edge, and a coating including a first layer and a second layer. The second layer includes an inner layer and an outer layer, wherein the first layer is exposed through an opening in the inner layer and the opening extends over at least a portion of the width of the cutting edge. Thereby, a double layer is provided in critical areas, whereas a single layer is provided in other areas. Preferably, the double oxide layer includes aluminum oxide layers. A method for manufacturing the coated cutting tool is also provided.Type: ApplicationFiled: December 20, 2013Publication date: November 26, 2015Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl BJORMANDER
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Publication number: 20150298215Abstract: A coated cutting tool includes a substrate having a rake side, a clearance side and a cutting edge and a coating comprising a first layer and a second layer. The second layer has a sandwich structure of an inner layer, an intermediate layer and an outer layer, wherein the inner layer is exposed through an opening in the outer layer, the opening extending over at least a portion of the width of the cutting edge. Thereby, a double layer is provided in critical areas, whereas a single layer is provided in other areas. The double oxide layer is an aluminum oxide layer. A method for manufacturing the coated cutting tool is also provided.Type: ApplicationFiled: December 20, 2013Publication date: October 22, 2015Inventor: Carl BJORMANDER
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Publication number: 20150231703Abstract: The present invention relates to a coated cutting tool and a method of making such cutting tool, wherein the tool comprises a substrate and a surface coating deposited on the substrate and covering at least a portion of the substrate, the surface coating having a thickness Tc. The substrate comprises a plurality of recesses into the substrate within a patterned surface area within the coated portion of the substrate wherein each recess is at least partly filled by the surface coating.Type: ApplicationFiled: October 15, 2013Publication date: August 20, 2015Inventors: Carl Björmander, David Boehnke
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Publication number: 20140308083Abstract: A coated cutting tool includes a substrate and a surface coating, wherein the coating is a Ti(C,N,O) layer comprising at least one columnar fine-grained MTCVD Ti(C,N) layer with an average grain width of 0.05-0.4 ?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 being on average 0.50-0.65. A method for manufacturing the coated cutting tool includes depositing the MTCVD Ti(C,N) layer.Type: ApplicationFiled: December 14, 2012Publication date: October 16, 2014Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander
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Patent number: 7820310Abstract: A method for making a coated cutting tool insert by depositing by CVD, onto a cemented carbide, titanium based or ceramic substrate a hard layer system, having a total thickness of from about 2 to about 50 ?m, comprising at least one layer selected from titanium carbide, titanium nitride, titanium carbonitride, titanium carboxide and aluminum oxide, and an outer, from about 1 to about 15 ?m thick, aluminum oxide layer or (Al2O3+ZrO2)*N multilayer, a penultimate outermost layer of TiOx, where x ranges from about 1 to about 2, and an outermost, from about 0.3 to about 2 ?m thick, TiCxNyOz, layer, where x+y+z=1, x?0, y?0, and z?0, followed by a post-treatment removing at least said outermost layer on the edge-line and on the rake face.Type: GrantFiled: January 29, 2009Date of Patent: October 26, 2010Assignee: Sandvik Intellectual Property ABInventor: Carl Björmander
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Patent number: 7597951Abstract: The present invention relates to a metal cutting tool insert with a coating comprising a metal oxide multilayer, which exhibits especially high resistance to plastic deformation as well as excellent resistance to flank and crater wear and high resistance to flaking, particular when used for machining of low carbon steel and stainless steel. The invention also relates to a method of making such a cutting tool insert.Type: GrantFiled: March 20, 2006Date of Patent: October 6, 2009Assignee: Sandvik Intellectual Property ABInventors: Carl Björmander, Markus Rodmar
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Publication number: 20090136728Abstract: A method for making a coated cutting tool insert by depositing by CVD, onto a cemented carbide, titanium based or ceramic substrate a hard layer system, having a total thickness of from about 2 to about 50 ?m, comprising at least one layer selected from titanium carbide, titanium nitride, titanium carbonitride, titanium carboxide and aluminum oxide, and an outer, from about 1 to about 15 ?m thick, aluminum oxide layer or (Al2O3+ZrO2)*N multilayer, a penultimate outermost layer of TiOx, where x ranges from about 1 to about 2, and an outermost, from about 0.3 to about 2 ?m thick, TiCxNyOz, layer, where x+y+z=1, x?0, y?0, and z?0, followed by a post-treatment removing at least said outermost layer on the edge-line and on the rake face.Type: ApplicationFiled: January 29, 2009Publication date: May 28, 2009Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander
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Patent number: RE49475Abstract: 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: GrantFiled: April 30, 2020Date of Patent: March 28, 2023Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Carl Bjormander