Patents by Inventor Erwin Krumböck

Erwin Krumböck 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).

  • Patent number: 11524440
    Abstract: It is provided an apparatus for supporting the erection of a plastics profile during the start-up process of an extrusion line for the extrusion of plastics profiles. An initially bulky profile strand of the plastics profile, which is withdrawn through a calibration unit, can be enclosed by a profile guiding trim of a profile guiding device in front of a caterpillar take-off, wherein the profile guiding trim and/or the profile guiding device can be spatially fixed against a displacement in the extrusion direction in front of an inlet region into the caterpillar take-off and can be shifted and fixed with regard to the vertical and/or lateral position and/or can be rotated about the extrusion direction and be fixed.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: December 13, 2022
    Assignee: GREINER EXTRUSION GROUP GMBH
    Inventors: Gerhard Anders, Karl Gebesmaier, Erwin Krumböck, Jürgen Kock
  • Publication number: 20210362392
    Abstract: Various embodiments of the present disclosure are directed to methods and systems for producing plastic profiles. In one example embodiment, a method is disclosed including the steps of plasticizing a starting material in an extruder on an extrusion line, pressing the starting material through an extrusion die, cooling and calibrating the extruded material in a dry calibration and/or a wet calibration, and cutting the extruded material to length to form individual profile rods, cutting to length one or more profile samples can be requested intermittently at any point in time, applying, via a labeling device, on the profile samples characteristic information relating to the current extrusion process, taking into account the transit time of the profile.
    Type: Application
    Filed: May 21, 2021
    Publication date: November 25, 2021
    Inventors: Erwin Krumböck, Siegfried Pramberger
  • Publication number: 20200368957
    Abstract: It is provided an apparatus for supporting the erection of a plastics profile during the start-up process of an extrusion line for the extrusion of plastics profiles. An initially bulky profile strand of the plastics profile, which is withdrawn through a calibration unit, can be enclosed by a profile guiding trim of a profile guiding device in front of a caterpillar take-off, wherein the profile guiding trim and/or the profile guiding device can be spatially fixed against a displacement in the extrusion direction in front of an inlet region into the caterpillar take-off and can be shifted and fixed with regard to the vertical and/or lateral position and/or can be rotated about the extrusion direction and be fixed.
    Type: Application
    Filed: November 26, 2018
    Publication date: November 26, 2020
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Gerhard ANDERS, Karl GEBESMAIER, Erwin KRUMBÖCK, Jürgen KOCK
  • Patent number: 10500779
    Abstract: A calibration device for a calibration, in particular wet calibration of an extrusion device is provided. The calibration device comprises a calibrating element which includes an opening for guiding through a profile produced by means of an extrusion die of the extrusion device and at least one rotatable guide roller which is in contact with the profile when the profile is guided through the opening. The calibration device further comprises at least one separate bearing element insertable into a cutout of the calibrating element, via which the guide roller can rotatably be mounted on the calibrating element.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: December 10, 2019
    Assignee: GREINER TOOL. TEC GMBH
    Inventors: Bernhard Fischer, Gerhard Anders, Leopold Weiermayer, Erwin Krumböck
  • Patent number: 9636861
    Abstract: The invention relates to an extrusion device and an extrusion method for the extrusion of plastic profiles, in particular a nozzle plate, comprising at least one flow channel for plastic melt. At least one wall region of the flow channel can be temperature controlled in a targeted manner with a local temperature control device for setting the flow speed of the plastic melt.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: May 2, 2017
    Assignee: GREINER TOOL.TEC GMBH
    Inventors: Erwin Krumböck, Leopold Weiermayer, Karl Gebesmaier
  • Publication number: 20160107364
    Abstract: A calibration device for a calibration, in particular wet calibration of an extrusion device is provided. The calibration device comprises a calibrating element which includes an opening for guiding through a profile produced by means of an extrusion die of the extrusion device and at least one rotatable guide roller which is in contact with the profile when the profile is guided through the opening. The calibration device further comprises at least one separate bearing element insertable into a cutout of the calibrating element, via which the guide roller can rotatably be mounted on the calibrating element.
    Type: Application
    Filed: May 23, 2014
    Publication date: April 21, 2016
    Applicant: GREINER TOOL.TECH GMBH
    Inventors: Bernhard FISCHER, Gerhard ANDERS, Leopold WEIERMAYER, Erwin KRUMBÖCK
  • Publication number: 20140035189
    Abstract: The invention relates to an extrusion device and an extrusion method for the extrusion of plastic profiles (10), in particular a nozzle plate (1), having at least one flow channel (3, 12) for plastic melt, wherein at least one wall region (A) of the flow channel (3, 12) can be temperature controlled in a targeted manner with a local temperature control device (2) for setting the flow speed of the plastic melt. The invention relates further to an extrusion method.
    Type: Application
    Filed: April 18, 2012
    Publication date: February 6, 2014
    Applicant: GREINER TOOL.TEC GMBH
    Inventors: Erwin Krumböck, Leopold Weiermayer, Karl Gebesmaier
  • Publication number: 20100265792
    Abstract: A static mixing device is described, comprising a flow channel and mixing elements which are distributed over the cross section of the flow channel in the form of flow bodies arranged on a wall extending in the direction of flow and which are each delimited by one tapering deflecting surface which is inclined in relation to the wall and originates from a base extending transversally to the direction of flow and by two guide surfaces which protrude from the wall and which converge in an edge extending transversally to the channel axis on the side of the flow bodies which is opposite of the base.
    Type: Application
    Filed: June 22, 2009
    Publication date: October 21, 2010
    Applicant: Gruber & Co Group GmbH
    Inventor: Erwin Krumboeck
  • Patent number: 7708539
    Abstract: A device is suggested for calibrating an extruded plastic profile (1) having a shaping extrusion die (3) and having a framework (6) which is displaceable in the longitudinal direction of the plastic profile (1) in relation to the extrusion die (3), which has a cooling tank (5) and, between the cooling tank (5) and the extrusion die (3), a dry calibration apparatus (4) which is replaceably attached to a carrier (12) and is connectable on one hand to supply lines for a coolant liquid feed and removal and on the other hand to a partial vacuum. To obtain advantageous mounting conditions, it is suggested that the carrier (12), which is adjustable in relation to the cooling tank (5) in the longitudinal direction of the plastic profile (1), form a distributor, connected to the supply lines (16, 17), having line transitions (25) for the coolant liquid and the partial vacuum in the placement area of the dry calibration apparatus (4), which is provided with corresponding line transitions.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: May 4, 2010
    Assignee: Gruber & Co Group GmbH
    Inventors: Dietmar Gruber, Erwin Krumböck
  • Patent number: 7491048
    Abstract: An extrusion die for extruding hollow profiles is suggested having a die head (2), which is connected to a runner part (1) and forms extrusion channels (3) for shaping a profiled strand (4), and having a runner chamber (5), which is provided between the die head (2) and the runner part (1) and runs transversely to the extrusion channels (3), which is connected around its circumference (8) to an annular channel (7) for impingement with plastic melt and from which the extrusion channels (3) of the die head (2) originate. In order to provide advantageous construction conditions, it is suggested that the runner part (1) have an inner channel (9) discharging into the runner chamber (5) inside the annular channel (7) for additional impingement of the runner chamber (5) with plastic melt.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: February 17, 2009
    Assignee: Gruber & Co Group GmbH
    Inventor: Erwin Krumböck
  • Patent number: 7371062
    Abstract: A device for calibrating an extruder plastic profile having a calibration unit for the profiled strand coming-out of a molding profile nozzle is described, the calibration unit having a molding body (1) enclosing the profiled strand, having calibration surfaces (5), which press against the profiled strand, and vacuum slots (6), which run in the calibration surfaces (5) transversely to the passage direction of the profiled strand (2) and are connectable to a partial vacuum source. In order to provide advantageous construction conditions, it is suggested that at least individual vacuum slots (6) penetrate the molding body (1) transversely to the passage direction (2) and be closed on outside of the molding body (1) using a removable cover (12).
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: May 13, 2008
    Assignee: Gruber & Co.Group GmbH
    Inventor: Erwin Krumböck
  • Patent number: 7258540
    Abstract: An apparatus for calibrating an extruded plastic profile forming at least one longitudinal groove (5), comprises a calibrating body (1) receiving the profile (2). Body (2) comprises a form nose (6) with a cooling channel (9) engaging in the longitudinal groove (5) and extending in the direction of passage of the profile, and coolant bores (13, 14, 26) extending transversally to the form nose (6) and crossing its cooling channel (9).
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: August 21, 2007
    Assignee: Gruber & Co Group GmbH
    Inventors: Dietmar Gruber, Erwin Krumböck
  • Publication number: 20060134257
    Abstract: A device for calibrating an extruder plastic profile having a calibration unit for the profiled strand coming-out of a molding profile nozzle is described, the calibration unit having a molding body (1) enclosing the profiled strand, having calibration surfaces (5), which press against the profiled strand, and vacuum slots (6), which run in the calibration surfaces (5) transversely to the passage direction of the profiled strand (2) and are connectable to a partial vacuum source. In order to provide advantageous construction conditions, it is suggested that at least individual vacuum slots (6) penetrate the molding body (1) transversely to the passage direction (2) and be closed on outside of the molding body (1) using a removable cover (12).
    Type: Application
    Filed: April 14, 2004
    Publication date: June 22, 2006
    Inventor: Erwin Krumböck
  • Patent number: 6840748
    Abstract: The invention describes an apparatus for cooling and calibrating an extruded plastic profile (2) with a cooling tank (4) receiving a cooling liquid, with calibrating elements (5) disposed within the cooling tank (4) for the plastic profile (2) subjected to the cooling liquid, and with a draw-off device (7) which is disposed downstream of the cooling tank (4) in the draw-off direction of the plastic profile (2). In order to provide advantageous constructional conditions it is proposed that at least one damping device (9) is provided between the inlet-sided calibrating element (5) of the cooling tank (4) and the draw-off device (7), which damping device rests at least in sections in the zone of one circumference on the plastic profile (2).
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: January 11, 2005
    Assignee: a + g extrusion technology GmbH
    Inventors: Wolfgang Gasselseder, Erwin Krumböck, Siegfried Pramberger
  • Patent number: 6779994
    Abstract: An apparatus for cooling and calibrating and extruded plastic profile (2) is described, with a cooling tank (4) which receives a cooling liquid (12) and can be charged with a pressure below atmospheric, and with at least one calibrating device (5) arranged within the cooling tank (4) for the plastic profile (2) pulled through the cooling tank (4), with the calibrating device (5) being composed of individual parts extending in the direction of passage of the plastic profile (2). In order in to provide advantageous construction conditions it is proposed that the parts of the calibrating device (5) form calibrating elements (8) which are distributed over the circumference of the plastic profile (2) by leaving out gaps (15) for the passage of cooling liquid.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: August 24, 2004
    Assignee: a + g extrusion technology GmbH
    Inventors: Erwin Krumböck, Wolfgang Gasselseder
  • Patent number: 6579001
    Abstract: In order to enable the thorough mixture of a melt flow S made of plastic, and polyvinyl chloride in particular, with the lowest possible amount of damage and the adequate homogenization thereof, the melt flow S is divided into partial flows T, which partial flows T are twisted independently from one another about axes extending in the direction of flow and are thereafter joined again into a common melt flow S.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: June 17, 2003
    Assignee: a+g extrusion technology GmbH
    Inventors: Erwin Krumböck, Wolfgang Gasselseder
  • Patent number: 6401480
    Abstract: A device (1) for calibrating cooling of an extruded synthetic profile (P) exhibits a water tank (2) through which coolant flows by means of coolant inlet and outlet pipes (5, 6), which water tank (2) extending longitudinally in the direction of extrusion is subdivided into single cooling chambers (4) by means of calibrating apertures (3) for the synthetic profile (P) spaced at a mutual distance in series in the direction of extrusion. To ensure effective cooling a coolant inlet pipe (5) discharges into each cooling chamber (4) and the cooling chambers (4) are each attached to a coolant outlet (6) by means of an outlet opening (12, 13).
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: June 11, 2002
    Assignee: a + g extrusion technology GmbH
    Inventors: Erwin Krumböck, Wolfgang Gasselseder
  • Patent number: 4822026
    Abstract: Substantially planar, horizontal athletic fields comprising a substrate provided with a finish or coating of particles of an elastic plastic in the form of flat plates or scales whose length is at least 1.5 times the thickness of the plate or scale and a method of improving the abrupt braking qualities of an athletic field and the said particles.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: April 18, 1989
    Inventors: Harald Schobermayr, Erwin Krumboeck