Patents Assigned to Raute Oyj
  • Patent number: 12202168
    Abstract: The invention relates to a wood conditioning system comprising: a first chamber; a second chamber; at least one air conveyor device for circulating air between the first chamber and the second chamber; the second chamber comprising at least one device for spraying water substantially against a direction of the circulated air. Some aspects of the invention relate to a method for wood conditioning.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: January 21, 2025
    Assignee: Raute Oyj
    Inventor: Jussi Ojalainen
  • Patent number: 11986972
    Abstract: The present invention relates to a system for repairing a plywood panel. The system comprises an input section and an output section wherein at least one of these comprises a support structure for a stack of the plywood panels. The system may further comprise a detection device for scanning a plywood panel and a repairing device for performing a repair operation for the plywood panel. Moreover, the system may comprise a transport device for transporting a plywood panel from the input section to the output section and a control device for generating a control signal to the repairing device in response to a detection of a defect in the plywood panel on the basis of information obtained with the detection device. The invention also relates to a method implementable by the system.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: May 21, 2024
    Assignee: Raute Oyj
    Inventors: Erkki Kauranen, Antti Mäkinen
  • Publication number: 20210247136
    Abstract: The invention relates to a wood conditioning system comprising: a first chamber; a second chamber; at least one air conveyor device for circulating air between the first chamber and the second chamber; the second chamber comprising at least one device for spraying water substantially against a direction of the circulated air. Some aspects of the invention relate to a method for wood conditioning.
    Type: Application
    Filed: June 7, 2019
    Publication date: August 12, 2021
    Applicant: Raute Oyj
    Inventor: Jussi OJALAINEN
  • Patent number: 9790045
    Abstract: The invention relates to a method for the optimal positioning of veneer sheets at a lay-up station, wherein the veneer sheets are attached for a veneer assembly composed of veneer sheets glued on top of each other. The method comprises determining an optimal position for each veneer sheet and a location for virtual alignment edges and laying up the veneer sheets as positioned in accordance with the virtual alignment edges, for a veneer assembly.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: October 17, 2017
    Assignee: Raute Oyj
    Inventor: Marko Perttilä
  • Patent number: 8951003
    Abstract: A device for stacking veneer sheets (1, 2) while substantially horizontal, the device including a supporting element, that escapes in the advancement direction at a release area from beneath the veneer (2) to be stacked, the supporting element being moved by a conveyor (7), and a controlled element for stopping the veneer to be stacked in a corrected position at a release point. An element for stopping the veneer to be stacked is a gripper (10) that grips the trailing edge of the veneer (2) from below and moves up and down, in the advancement direction of the veneer, and transversely to it, the gripper having a gripping point to the veneer at the trailing edge in the veneer's advancement direction, extended at a distance in the advancement direction from the gripper's transverse travel path.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: February 10, 2015
    Assignee: Raute Oyj
    Inventor: Reijo Salovaara
  • Patent number: 8915278
    Abstract: A press apparatus for curing adhesive on inner adhesion surfaces of substantially continuous wood products (1) under synchronous compression heating. The apparatus includes at least two presses (2) having a mutual distance from each other fulfilling the precondition: L/(n?1), where L is the working length of each press and n is the number of presses in series.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: December 23, 2014
    Assignee: Raute Oyj
    Inventor: Hannu Sinko
  • Patent number: 8528475
    Abstract: A method and apparatus for improving of wood veneer quality is provided. In the method, veneers are conveyed through a compression gap made up by two press elements, the gauge of said gap being adjustable. The method comprises the use of an endless felt assembly, which is adapted to circle around at least one of the press elements and which passes through the compression gap in such a way that at least one face of the veneer is brought against the felt assembly in said compression gap.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 10, 2013
    Assignee: Raute Oyj
    Inventors: Harri Lyytinen, Jarkko Kaislaoja, Andre Klemarewski
  • Patent number: 8371796
    Abstract: An apparatus for stacking veneer sheets is provided, said apparatus comprising conveyor means for delivering veneer sheets to a stacking point and means for placing veneer sheets on a stack to be formed. The conveyor means comprise a first and a second conveyor element disposed on opposite sides of a veneer sheet, said first and/or second conveyor element being provided with magnet elements arranged for cooperation with a conveyor element present on the opposite side, such that the veneer sheet to be fed in between the conveyor elements is pressed with a desired force between the conveyor elements and is movable thereby to a stacking point, which is provided with stopper means for stopping the veneer sheet and with means for releasing the veneer sheet from between the conveyor elements to enable its placement on a stack to be formed.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: February 12, 2013
    Assignee: Raute Oyj
    Inventor: Pekka Runonen
  • Patent number: 8288694
    Abstract: In a microwave heating apparatus, the fundamental TE10 mode of the standard waveguide (5) having a standard rectangular cross-section is fed into an elongated heating cavity (2) having an enlarged rectangular cross-section in which the shorter side of the standard waveguide is enlarged to a length which can accommodate the desired width of a board (8) to be heated. A pair of lateral slots (25) is provided parallel in the opposite enlarged walls (11) of the heating cavity (2) to form a track for the board (8) to travel across the cavity. As the initially longer sidewall (11) of the standard waveguide is unchanged, the fundamental mode is not affected but the electric field is uniformly distributed along the width of the board (8) traversing the electric field and the cavity. As a result, wider products can be heated and a more uniform heating pattern can be achieved.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: October 16, 2012
    Assignee: Raute Oyj
    Inventors: Pete Ristola, Jaakko Vilo, Jerzy Piotrowski
  • Publication number: 20120186700
    Abstract: A veneer patching apparatus includes a detection device for detecting and locating defect points in the veneer, a stationarily located patching unit (1/2) having a punch and a patch inserter, and elements (5, 7) for holding and conveying the veneer, controlled by the detection device. Each veneer specific patching apparatus has two or more patching units (1,2).
    Type: Application
    Filed: January 24, 2012
    Publication date: July 26, 2012
    Applicant: Raute Oyj
    Inventors: Esko TOLONEN, Erkki KAURANEN
  • Patent number: 8177473
    Abstract: The invention concerns an apparatus for transferring sheet-like objects from a stack, said apparatus including separate lifting elements gripping by suction to the upper surface of the sheet-like object to be transferred, positioned in a row extending over the stack of the sheet-like objects, and transfer elements for transferring the lifted sheet-like object. The suction effect of the lifting elements is controlled by means of a control device including a light source making a substantially line-shaped illumination pattern. The illumination of the light source is focused at an inclined angle to the surface of the sheet stack, substantially parallel to the lifting element row. A camera means for observing the illumination pattern forwards information about the uniformity of the uppermost layer of the stack.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: May 15, 2012
    Assignee: Raute Oyj
    Inventors: Peter William Gibson, Juha Rautiainen, Pertti Auvinen, Mika Hyysti, Jarkko Kaislaoja
  • Patent number: 8173943
    Abstract: The invention relates to a microwave waveguide element for matching a standard waveguide input port to an enlarged waveguide output port. In the waveguide element, a plurality of intermediate waveguide segments is cascaded in the propagation direction of the microwave energy to first split the waveguide element into two symmetrical waveguide branches and then combine the branches at the output port. Thus, the width of the waveguide element is gradually enlarged and the input port is matched to the output port. The intermediate waveguide segments are preferably dimensioned such that respective characteristic impedances are approximately matched with each other for the fundamental mode.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: May 8, 2012
    Assignee: Raute Oyj
    Inventors: Pete Ristola, Jaakko Vilo, Jerzy Piotrowski
  • Patent number: 8021508
    Abstract: The present invention is directed to a method for manufacturing a panel containing wood fibers. The wood material is cut into strands having a thickness and a width perpendicular to the grain direction and a length parallel with the grain direction, the length being significantly greater with respect to the other dimensions. An adhesive is applied to the strands, the glued strands are formed into an assembly, wherein the strands are substantially parallel in the longitudinal direction, and the strands remaining substantially parallel in the longitudinal direction are extruded by applying a thrusting force substantially perpendicular with respect to the longitudinal direction of the strands.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: September 20, 2011
    Assignee: Raute Oyj
    Inventor: Andrzei Klemarewski
  • Patent number: 7963311
    Abstract: The invention relates to squeeze pressing of a laid-up veneer assembly having glue applied as glue stripes. The pressing in the method is subjected to the assembly as two uniform fronts advancing in opposite directions from the central area of the assembly. A press for implementing the method comprises press plates to be pressed together, at least one press plate being equipped with a sub-pressing plate extending as an arch at the central area of the press plate to the press opening.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: June 21, 2011
    Assignee: Raute Oyj
    Inventors: Marko Perttilä, Jaakko Vilo, Jori Sopanen
  • Patent number: 7779875
    Abstract: The invention concerns a method for peeling veneer from a log (2). Veneer (4) is peeled tangentially from the circumferential surface of a log rotated around its longitudinal axis under conditions determined by the distance (knife gap) between the knife (3) and the nose bar pressing the surface of the log immediately in front of the cutting point. The peeling knife as well as the nose bar is moved towards the rotation axis of the log corresponding the proceeding of the peeling. At the ending stage of the peeling, the distance between the peeling knife and the nose bar is reduced substantially in accordance with the thickness of the veneer being peeled.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: August 24, 2010
    Assignee: Raute Oyj
    Inventors: Timo Kuivasto, Antti Pennanen, Jussi Puranen
  • Patent number: 7722027
    Abstract: The invention concerns a vacuum belt conveyor for transferring veneer sheets under a vacuum effect. The conveyor consists of a vacuum box under a vacuum effect, having at least one perforation extending lane-like in the direction of conveyance of the conveyor. Conveying belts are running on both sides of the perforation. The belts are brought into contact with a veneer sheet to be transferred, whereby the veneer sheet and the belts line an underpessurized space, and the sheet is retained in contact with the belts. A lug movable in the direction of the vacuum lane is arranged at the perforation for keeping any jamming debris away.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: May 25, 2010
    Assignee: Raute Oyj
    Inventors: Peter William Gibson, Michael Poropat
  • Patent number: 7681497
    Abstract: The invention concerns a method for feeding and removing a board to/from a gap of a periodically operating press. The board to be pressed is fed grip-supported to the gap of the press from one side and a board pressed in the previous operating cycle is removed grip-supported from the same or from the opposite side during the opening cycle of the press. The movement feeding the board to the press and the movement removing the board from the press are performed at least partially staggered with each other.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: March 23, 2010
    Assignee: Raute Oyj
    Inventors: Petri Kymäläinen, Iiro Nurminen
  • Patent number: 7631673
    Abstract: Veneer cutter, wherein the cutting is provided by a blade, the front rake face thereof being movable to pass a stationary counter blade, substantially in a perpendicular direction to the plane of the veneer. The cutter includes two blades in a common cutting movement and arranged at a distance from each other in the feed direction of the veneer. The cutting blades are located with their front rake faces facing away from each other, and the first blade in the feed direction is positioned at a higher elevation from a common plane of the counter blades than the second blade.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: December 15, 2009
    Assignee: Raute Oyj
    Inventor: Reijo Salovaara
  • Patent number: 7575635
    Abstract: An apparatus for applying glue onto a moving, plane object comprises inlet pipes of the glues a dispenser extending across the path of travel of the object of the dispensing, dispensing nozzles of the glue and means for controllably opening and interrupting the glue flow to the nozzles. The means for interrupting the flow comprise a cylindrical case formed into the frame of the dispenser, extending along the total length thereof, inlet channels for the glue leading to the case, nozzle channels leading out from the case and a pipe element mounted into the case with a sliding fit, said pipe element being equipped with openings for forming a flow connection between the inlet channels of the glue and the nozzle channels in one position of the pipe element with respect to the frame and for closing said flow connection in the second position of the pipe element with respect to the frame.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: August 18, 2009
    Assignee: Raute Oyj
    Inventors: Marko Perttilä, Petri Kymäläinen, Ari-Pekka Tiusanen
  • Publication number: 20090133816
    Abstract: The present invention is directed to a method for manufacturing a panel containing wood fibers. The wood material is cut into strands having a thickness and a width perpendicular to the grain direction and a length parallel with the grain direction, the length being significantly greater with respect to the other dimensions. An adhesive is applied to the strands, the glued strands are formed into an assembly, wherein the strands are substantially parallel in the longitudinal direction, and the strands remaining substantially parallel in the longitudinal direction are extruded by applying a thrusting force substantially perpendicular with respect to the longitudinal direction of the strands.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 28, 2009
    Applicant: Raute Oyj
    Inventor: Andrzei Klemarewski