Patents by Inventor Tomas Berglund
Tomas Berglund 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: 11933107Abstract: A disc cutter for a cutting unit used in an undercutting operation and a method of producing the same. The disc cutter including an annular disc body made of a metal alloy or metal matrix composite having a first side, a second side arranged substantially opposite to the first side and a radially peripheral part. At least one metal alloy, metal matrix composite or cemented carbide cutting part is mounted in and substantially encircling the radially peripheral part of the disc body which protrudes outwardly therefrom to engage with the rock during the mining operation. The at least one cutting part is made from a material having a higher wear resistance than the material used for the disc body, wherein the disc body and the cutting part are joined by diffusion bonds.Type: GrantFiled: October 31, 2019Date of Patent: March 19, 2024Assignee: Sandvik Mining and Construction Tools ABInventors: Bjorn Claesson, Stefan Ederyd, Johan Sundstrom, Tomas Berglund, Fredrik Meurling
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Patent number: 11794246Abstract: The present disclosure relates to a process of manufacturing an article comprising at least one body of a cemented carbide and at least one body of a metal alloy or at least one body of a metal matrix composite and to a product manufactured thereof and wherein the article also comprises an interlayer between the at least one body of a cemented carbide and at least one body of a metal alloy or at least one body of a metal matrix composite in order to prevent deleterious interface phases from forming.Type: GrantFiled: May 24, 2018Date of Patent: October 24, 2023Assignee: MTC Powder Solutions ABInventors: Johan Sundström, Tomas Berglund, Fredrik Meurling
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Patent number: 11370026Abstract: A method for manufacturing a metallic component including the steps of providing a capsule, which defines at least a portion of the shape of the metallic component, arranging metallic material in the capsule, sealing the capsule, subjecting the capsule to Hot Isostatic Pressing for a predetermined time, at a predetermined pressure and at a predetermined temperature, and optionally, removing the capsule. The metallic material is at least one pre-manufactured coherent body, which pre-manufactured coherent body being made of metallic powder, wherein at least a portion of the metallic powder is consolidated such that the metallic powder is held together into a pre-manufactured coherent body. At least one portion of the pre-manufactured coherent body is manufactured by Additive Manufacturing by subsequently arranging superimposed layers of metallic powder.Type: GrantFiled: May 28, 2020Date of Patent: June 28, 2022Assignee: MTC Powder Solutions ABInventors: Tomas Berglund, Rickard Sandberg, Martin Ostlund, Johan Sundstrom
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Publication number: 20220018251Abstract: A disc cutter for a cutting unit used in a tunnel boring machine and a method of producing the same. The disc cutter includes an annular disc body made of a metal alloy or metal matrix composite having a first side, a second side arranged substantially opposite to the first side and a radially peripheral part. At least one metal alloy, metal matrix composite or cemented carbide cutting part is mounted in and substantially encircling the radially peripheral part of the disc body, which protrudes outwardly therefrom to engage with the rock during the mining operation. The at least one cutting part is made from a material having a higher wear resistance than the material used for the disc body. A metallic interlayer is disposed between at the least one disc body and the at least one cutting part, the elements of which form the diffusion bonds.Type: ApplicationFiled: October 31, 2019Publication date: January 20, 2022Inventors: Stefan EDERYD, Johan SUNDSTROM, Tomas BERGLUND, Fredrik MEURLING
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Publication number: 20220010627Abstract: A disc cutter for a cutting unit used in an undercutting operation and a method of producing the same. The disc cutter including an annular disc body made of a metal alloy or metal matrix composite having a first side, a second side arranged substantially opposite to the first side and a radially peripheral part. At least one metal alloy, metal matrix composite or cemented carbide cutting part is mounted in and substantially encircling the radially peripheral part of the disc body which protrudes outwardly therefrom to engage with the rock during the mining operation. The at least one cutting part is made from a material having a higher wear resistance than the material used for the disc body, wherein the disc body and the cutting part are joined by diffusion bonds.Type: ApplicationFiled: October 31, 2019Publication date: January 13, 2022Inventors: Bjorn CLAESSON, Stefan EDERYD, Johan SUNDSTROM, Tomas BERGLUND, Fredrik MEURLING
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Publication number: 20200290127Abstract: A method for manufacturing a metallic component including the steps of providing a capsule, which defines at least a portion of the shape of the metallic component, arranging metallic material in the capsule, sealing the capsule, subjecting the capsule to Hot Isostatic Pressing for a predetermined time, at a predetermined pressure and at a predetermined temperature, and optionally, removing the capsule. The metallic material is at least one pre-manufactured coherent body, which pre-manufactured coherent body being made of metallic powder, wherein at least a portion of the metallic powder is consolidated such that the metallic powder is held together into a pre-manufactured coherent body. At least one portion of the pre-manufactured coherent body is manufactured by Additive Manufacturing by subsequently arranging superimposed layers of metallic powder.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Applicant: Sandvik Intellectual Property ABInventors: Tomas BERGLUND, Rickard SANDBERG, Martin OSTLUND, Johan SUNDSTROM
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Patent number: 10702922Abstract: A method for manufacturing a metallic component including the steps of providing a capsule, which defines at least a portion of the shape of the metallic component, arranging metallic material in the capsule, sealing the capsule, subjecting the capsule to Hot Isostatic Pressing for a predetermined time, at a predetermined pressure and at a predetermined temperature, and optionally, removing the capsule. The metallic material is at least one pre-manufactured coherent body, which pre-manufactured coherent body being made of metallic powder, wherein at least a portion of the metallic powder is consolidated such that the metallic powder is held together into a pre-manufactured coherent body. At least one portion of the pre-manufactured coherent body is manufactured by Additive Manufacturing by subsequently arranging superimposed layers of metallic powder.Type: GrantFiled: April 1, 2015Date of Patent: July 7, 2020Assignee: Sandvik Intellectual Property ABInventors: Tomas Berglund, Rickard Sandberg, Martin Ostlund, Johan Sundstrom
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Publication number: 20200164440Abstract: The present disclosure relates to a process of manufacturing an article comprising at least one body of a cemented carbide and at least one body of a metal alloy or at least one body of a metal matrix composite and to a product manufactured thereof and wherein the article also comprises an interlayer between the at least one body of a cemented carbide and at least one body of a metal alloy or at least one body of a metal matrix composite in order to prevent deleterious interface phases from forming.Type: ApplicationFiled: May 24, 2018Publication date: May 28, 2020Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Johan SUNDSTRÖM, Tomas BERGLUND, Fredrik MEURLING
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Patent number: 9803263Abstract: A method for manufacturing a wear resistant component, includes the steps of: providing a mould defining at least a portion of the component; providing a powder mixture comprising a first powder of tungsten carbide and a second powder of a cobalt-based alloy, wherein the powder mixture comprises 30-70 vol % of the first powder of tungsten carbide and 70-30 vol % of the second powder of the cobalt-based alloy and the second powder of cobalt-based alloy comprises 20-35 wt % Cr, 0-20 wt % W, 0-15 wt % Mo, 0-10 wt % Fe, 0.05-4 wt % C and balance Co, wherein the amounts of W and Mo fulfills the requirement 4<W+Mo<20; filling the mould with the powder mixture; and subjecting the mould to Hot Isostatic Pressing (HIP) at a predetermined temperature, a predetermined isostatic pressure and for a predetermined time so that the particles of the powder mixture bond metallurgically to each other.Type: GrantFiled: September 11, 2013Date of Patent: October 31, 2017Assignee: Sandvik Intellectual Property ABInventor: Tomas Berglund
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Publication number: 20170291151Abstract: A static mixing module for mixing of material includes an inlet end and an outlet end, between which a longitudinal axis extends. A plurality of angularly spaced mixing channels extendingbetween the inlet end and the outlet end, each two adjacent mixing channels being separated by an intermediate wall. At least one mixing element is provided within each mixing channel. Each intermediate wall has a uniform or an essentially uniform wall thickness (t) as measured in a plane perpendicular to the longitudinal axis. A steam heater is also disclosed which comprises said static mixing module.Type: ApplicationFiled: April 7, 2017Publication date: October 12, 2017Inventor: Tomas BERGLUND
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Publication number: 20170203368Abstract: A method for manufacturing a wear resistant component includes the steps of providing a metallic base material and a wear resistant cemented carbide body including an anchoring portion. The wear resistant cemented carbide body is arranged such that the anchoring portion is at least partially enclosed by the metallic base material. The metallic base material and the least one wear resistant cemented carbide body is subjected to Hot Isostatic Pressing (HIP). A layer of Al2O3 or hBN is arranged between the anchoring portion and the metallic base material.Type: ApplicationFiled: July 3, 2014Publication date: July 20, 2017Inventors: Carl-Johan MADERUD, Fredrik MEURLING, Tomas BERGLUND
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Publication number: 20170113274Abstract: A method for manufacturing a metallic component includes the steps of providing a component preform of a metallic material, which constitutes the metallic component and a shaping means which defines the shape of the metallic component. The component preform is subjected to Hot Isostatic Pressing for a predetermined time at a predetermined temperature and a predetermined pressure. The shaping means is removed by contacting the component preform with a pickling agent. The step of providing the component preform includes providing the component preform with an acid resistant metal layer, wherein the acid resistant metal layer is applied with electroplating and wherein the acid resistant metal layer is arranged such that it protects the metallic material from contact with the pickling agent.Type: ApplicationFiled: March 24, 2015Publication date: April 27, 2017Inventors: Tomas BERGLUND, Jouni WEDENSTRAND
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Patent number: 9616498Abstract: A method for manufacturing a valve spindle having a valve disc and a valve stem, the method comprising the steps of: providing a capsule, which defines at least a portion of the valve disc; arranging, in the capsule, a preformed core body that includes a core head, which constitutes an inner portion of the valve disc; arranging a preformed annular valve seat in the capsule, wherein the valve seat is arranged such that the inner circumferential side of the valve seat at least partially defines an inner space around the core head; filling the inner space with a first metallic material, forming the buffer layer, such that the core head is covered with the first material; filling the capsule with a second metallic material, forming the cladding layer; subjecting the capsule to Hot Isostatic Pressing (HIP) at a predetermined temperature, a predetermined isostatic pressure and for a predetermined time so that the preformed core body, the buffer layer, the cladding layer and the valve seat are bonded metallurgicallyType: GrantFiled: March 11, 2014Date of Patent: April 11, 2017Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Tomas Berglund
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Patent number: 9592553Abstract: A method for manufacturing of a wear resistant component including the steps of providing a form defining at least a portion of the shape of the component; providing a powder mixture comprising 30-70 vol % of a powder of tungsten carbide and 70-30 vol % of a powder of a nickel based alloy, wherein the nickel based alloy consists of, in weight %: C: 0-1.0; Cr: 0-14.0; Si: 2.5-4.5; B: 1.25-3.0; Fe: 1.0-4.5; the balance being Ni and unavoidable impurities, and wherein the powder of tungsten carbide has a particle size of 105-250 ?m and the powder of the nickel based alloy has a maximum particle size of 32 ?m; filling at least a portion of the form with the powder mixture; and subjecting the form to Hot Isostatic Pressing at a predetermined temperature, a predetermined isostatic pressure and a for a predetermined time so that the particles of the nickel-based alloy bond metallurgically to each other.Type: GrantFiled: November 28, 2013Date of Patent: March 14, 2017Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventor: Tomas Berglund
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Publication number: 20170043347Abstract: A wear resistant component for comminution of particulate material includes a steel body and a leading portion of cemented carbide attached to a front portion of the steel body. The wear resistant component includes a wear resistant coating of a metal matrix composite attached to at least one face of the steel body connected to the leading portion.Type: ApplicationFiled: April 29, 2015Publication date: February 16, 2017Inventors: Tomas BERGLUND, Udo FISCHER
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Publication number: 20170021423Abstract: A method for manufacturing a metallic component including the steps of providing a capsule, which defines at least a portion of the shape of the metallic component, arranging metallic material in the capsule, sealing the capsule, subjecting the capsule to Hot Isostatic Pressing for a predetermined time, at a predetermined pressure and at a predetermined temperature, and optionally, removing the capsule. The metallic material is at least one pre-manufactured coherent body, which pre-manufactured coherent body being made of metallic powder, wherein at least a portion of the metallic powder is consolidated such that the metallic powder is held together into a pre-manufactured coherent body. At least one portion of the pre-manufactured coherent body is manufactured by Additive Manufacturing by subsequently arranging superimposed layers of metallic powder.Type: ApplicationFiled: April 1, 2015Publication date: January 26, 2017Inventors: Tomas BERGLUND, Rickard SANDBERG, Martin OSTLUND, Johan SUNDSTROM
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Publication number: 20170001244Abstract: A method for manufacturing a metallic component having a core and a metallic cladding by Hot Isostatic Pressing includes the steps of arranging a capsule and a core such that the capsule at least partially surrounds the core and a space is formed between at least a portion of the core and a portion of the capsule. The core, prior to the step of Hot Isostatic Pressing, is provided with at least one centering means for centering the solid body obtained in the step of Hot Isostatic Pressing in a metal machining apparatus.Type: ApplicationFiled: November 20, 2014Publication date: January 5, 2017Inventors: Tomas BERGLUND, Martin OLSTLUND, Tommy LINDGREN, Fredrik JOHANSSON
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Publication number: 20160361766Abstract: A method for manufacturing a metallic body having a core and metallic cladding by Hot Isostatic Pressing includes the step of providing a hollow body that has a bottom wall, a core and a lateral wall, wherein the hollow body is filled with cladding material. The bottom wall and the top wall of the hollow body, prior to the step of HIP, are provided with at least one centering means for centering a final body obtained in the step HIP in a metal machining apparatus.Type: ApplicationFiled: November 20, 2013Publication date: December 15, 2016Inventors: Tomas BERGLUND, Martin OLSTLUND, Tommy LINDGREN, Fredrik JOHANSSON
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Patent number: 9463508Abstract: A method for manufacturing a component having at least one internal cavity includes the step of providing a core element of metallic material that includes at least one cavity having a first opening covered by a cover element with a first and second side. A form partially surrounds the core element and cover element. The form is filled with metallic filling material and heated in a heating chamber that is pressurized with gas for a predetermined time period at a predetermined temperature and a predetermined isostatic pressure, so that a metallurgical bond is achieved between the core element, cover element and metallic filling material. The core element is arranged such that, after filling the form with metallic filling material, the second side of the cover element is covered with metallic filling material so that the cavity during heating is pressurized to the predetermined isostatic pressure.Type: GrantFiled: November 9, 2011Date of Patent: October 11, 2016Assignee: SANDVIK INTELLECTUAL PROPERTY ABInventors: Tomas Berglund, Rickard Sandberg
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Publication number: 20160279711Abstract: A method for manufacturing a valve spindle having a valve disc and a valve stem, the method comprising the steps of: providing a capsule, which defines at least a portion of the valve disc; arranging, in the capsule, a preformed core body that includes a core head, which constitutes an inner portion of the valve disc; arranging a preformed annular valve seat in the capsule, wherein the valve seat is arranged such that the inner circumferential side of the valve seat at least partially defines an inner space around the core head; filling the inner space with a first metallic material, forming the buffer layer, such that the core head is covered with the first material; filling the capsule with a second metallic material, forming the cladding layer; subjecting the capsule to Hot Isostatic Pressing (HIP) at a predetermined temperature, a predetermined isostatic pressure and for a predetermined time so that the preformed core body, the buffer layer, the cladding layer and the valve seat are bonded metallurgicallyType: ApplicationFiled: March 11, 2014Publication date: September 29, 2016Inventor: Tomas Berglund