Patents Assigned to Luvata Espoo Oy
  • Patent number: 9376288
    Abstract: The invention relates to a reeling apparatus (1) and a method for coiling a tube using the apparatus. The apparatus is configured to coil a tube (5), and comprises a main reel (2) connected to a spindle (3) and configured to rotate around a central axis (C), a tube holding ring (4) configured to rotate together with the main reel and to collect an initial part of the tube, a guide element (6) at a distance (d2) from the main reel to guide the tube to the apparatus. The tube holding ring is located outside and at a radial distance (d1) from the main reel with respect to the central axis, and the guide element is movable between an outer position (A) for guiding the tube to be coiled onto the tube holding ring, and an inner position (B) for guiding the tube to be coiled onto the main reel.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: June 28, 2016
    Assignee: Luvata Espoo Oy
    Inventor: Jouni Satola
  • Patent number: 9318685
    Abstract: The invention relates to a method for producing a superconductive element to be used as a wire-in-channel superconductor in magnetic resonance imaging (MRI) and in nuclear magnetic resonance (NMR) applications, which superconductive element contains a superconductive wire and a copper component having a longitudinal groove and the superconductive wire being positioned in the groove. In order to produce the wire-in-channel superconductive element by a mechanical contact between the superconductive wire and a wall of the groove in the copper component, at least one contact surface is coated with a lead free solder material before having the mechanical contact. In order to enhance the thermal and electrical conduction and to create a bond between the said components the soldering material is fused in annealing process step.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: April 19, 2016
    Assignee: Luvata Espoo Oy
    Inventor: Jukka Somerkoski
  • Publication number: 20150030495
    Abstract: A pivotable tundish (1) for continuous casting a metal alloy. The tundish comprises a body (3) comprising a first chamber (5), a second chamber (7), a first passage (12) between the first chamber and the second chamber, and a second passage (16) between the second chamber and a mold (9). The first chamber is adapted to receive and hold a base metal constituting the base for forming the metal alloy by addition of alloying elements. The metal alloy is fed from the second chamber to the mold through the second passage. The second chamber further comprises a first portion (30) and a second portion (32), and a third passage (36) between the first portion and the second portion. In the casting state the metal alloy is formed while casting by adding the alloying elements to the second portion of the second chamber.
    Type: Application
    Filed: February 10, 2012
    Publication date: January 29, 2015
    Applicant: Luvata Espoo Oy
    Inventor: Sarita Hernesniemi
  • Publication number: 20140145023
    Abstract: The invention relates to a reeling apparatus (1) and a method for coiling a tube using the apparatus. The apparatus is configured to coil a tube (5), and comprises a main reel (2) connected to a spindle (3) and configured to rotate around a central axis (C), a tube holding ring (4) configured to rotate together with the main reel and to collect an initial part of the tube, a guide element (6) at a distance (d2) from the main reel to guide the tube to the apparatus. The tube holding ring is located outside and at a radial distance (d1) from the main reel with respect to the central axis, and the guide element is movable between an outer position (A) for guiding the tube to be coiled onto the tube holding ring, and an inner position (B) for guiding the tube to be coiled onto the main reel.
    Type: Application
    Filed: April 28, 2011
    Publication date: May 29, 2014
    Applicant: LUVATA ESPOO OY
    Inventor: Jouni Satola
  • Patent number: 8626254
    Abstract: The invention relates to an assembly (1, 35, 71) of metal elements constituting a precursor for a superconductor. The assembly comprises at least one conductor element (5, 41, 73) adapted to provide a superconducting filament in the finished superconductor, and at least one doping element (7, 43, 75) providing a doping source for doping the conductor element. The invention also relates to a method suitable for producing a superconductor.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: January 7, 2014
    Assignee: Luvata Espoo Oy
    Inventor: Jukka Somerkoski
  • Publication number: 20130247979
    Abstract: The invention relates to an electrical conductor (2) having a longitudinal axis (A) parallel to the rolling direction of a conductor wire, comprising copper material and an attachment surface (7) configured for attaching to a receiving surface of a silicon wafer (3) to establish an electrical connection. The copper material has a purity of at least 99.5% wherein the grains have a cubic texture comprising a set of cubic axes directed within an up to 20 degree angular range to the longitudinal axis (A), and whereby at least 65% of the grains have said cubic texture. The invention also relates to a process for manufacturing conductor (2) and photo voltaic modules comprising said conductor (2), and silicon wafers.
    Type: Application
    Filed: November 30, 2010
    Publication date: September 26, 2013
    Applicant: LUVATA ESPOO OY
    Inventors: Tag Hammam, Bevis Hutchinson, Lena Ryde
  • Patent number: 8470100
    Abstract: Alloys containing copper, iron, tin and, optionally, phosphorus or copper, zinc, tin and, optionally, phosphorus, which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: June 25, 2013
    Assignee: Luvata Espoo Oy
    Inventors: M. Parker Finney, Larz Ignberg, Claes Anders Kamf, Timothy L. Goebel, Ying Gong, Edward G. Rottmann
  • Patent number: 8388768
    Abstract: The present invention relates to a method for preparing an artificial patination material to substrates, preferably made from copper or copper alloys and a patination material. The raw material is a copper salt, which reacts with an alkali metal hydroxide. The precipitate is dispersed with powerful mixing and an addition of a dispersing agent. An oxidative agent like manganese dioxide is used, and carbon is used as an agent for catalyzing natural patina forming. Metal compounds are used to achieving desired color and/or color tinge. The invention relates also to the corresponding patination material.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: March 5, 2013
    Assignee: Luvata Espoo Oy
    Inventor: Tapio Korpinen
  • Publication number: 20120043065
    Abstract: Cooling element (2) for pyrometallurgical reactors and method of manufacturing the element, wherein at least one cooling channel (1) having two ends is provided first. Each end of the cooling channel (1) has connection means (17) for cooling medium and at least one cooling channel (1) is connected connecting means to a wall of pyrometallurgical reactor. Further, at least one tube having an outer cross section and inner cross section is formed and the tube bent to an open loop to form at least one cooling channel, the ends of which being joinable to the means (3) for connecting the cooling channel (1) to a wall of pyrometallurgical reactor.
    Type: Application
    Filed: May 6, 2009
    Publication date: February 23, 2012
    Applicant: Luvata Espoo Oy
    Inventors: Pasi Ranne, Tuomas Renfors, Ari Lehtola
  • Publication number: 20120035059
    Abstract: The invention relates to an assembly (1, 35, 71) of metal elements constituting a precursor for a superconductor. The assembly comprises at least one conductor element (5, 41, 73) adapted to provide a superconducting filament in the finished superconductor, and at least one doping element (7, 43, 75) providing a doping source for doping the conductor element. The invention also relates to a method suitable for producing a superconductor.
    Type: Application
    Filed: December 22, 2009
    Publication date: February 9, 2012
    Applicant: LUVATA ESPOO OY
    Inventor: Jukka Somerkoski
  • Patent number: 7728229
    Abstract: A light-weight, aluminum core, multi-stabilized, superconducting wire. The superconducting wire has NbTi superconducting filaments embedded in a normal stabilizing copper metal matrix that encapsulates an aluminum central core.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: June 1, 2010
    Assignee: Luvata Espoo Oy
    Inventors: Taeyoung Pyon, Michael Dormody, Ben Karlemo