Patents Assigned to GREINER EXTRUSION GROUP GMBH
  • Publication number: 20250091277
    Abstract: It is provided an extrusion device for a plastic profile, in particular a hollow chamber profile, with an extruder, an extrusion nozzle arranged at the exit of the extruder for forming the plastic profile the plastic profile subsequently being guided through a calibration device, a downstream removal device for the plastic profile, a cutting device for cutting off parts of the extruded plastic profile and a weighing device for measuring the profile weight. A profile monitoring device is provided for detecting at least one profile parameter of the plastic profile in the extrusion direction after it has emerged from the extrusion nozzle and/or a process monitoring device is provided for detecting at least one process parameter in and/or before of the extruder, the extrusion nozzle, the calibration device, the removal device and/or the cutting device.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Wolfgang DIESENREITER, Karl GEBESMAIER
  • Publication number: 20250091278
    Abstract: It is provided an extrusion device for a plastic profile, in particular a hollow chamber profile, with an extruder, an extrusion nozzle arranged at the exit of the extruder for forming the plastic profile the plastic profile subsequently being guided through a calibration device, a downstream removal device for the plastic profile, a cutting device for cutting off parts of the extruded plastic profile and a weighing device for measuring the profile weight. A profile monitoring device is provided for detecting at least one profile parameter of the plastic profile in the extrusion direction after it has emerged from the extrusion nozzle and/or a process monitoring device is provided for detecting at least one process parameter in and/or before of the extruder, the extrusion nozzle, the calibration device, the removal device and/or the cutting device.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Wolfgang DIESENREITER, Karl GEBESMAIER
  • Publication number: 20240116234
    Abstract: It is provided an extrusion device for a plastic profile, in particular a hollow chamber profile, with an extruder, an extrusion nozzle arranged at the exit of the extruder for forming the plastic profile the plastic profile subsequently being guided through a calibration device, a downstream removal device for the plastic profile, a cutting device for cutting off parts of the extruded plastic profile and a weighing device for measuring the profile weight. A profile monitoring device is provided for detecting at least one profile parameter of the plastic profile in the extrusion direction after it has emerged from the extrusion nozzle and/or a process monitoring device is provided for detecting at least one process parameter in and/or before of the extruder, the extrusion nozzle, the calibration device, the removal device and/or the cutting device.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 11, 2024
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Wolfgang DIESENREITER, Karl GEBESMAIER
  • Patent number: 11673308
    Abstract: It is provided a WPC extrusion profile comprising a WPC material, in which plant fibers are embedded in a plastic matrix, wherein the WPC material has a content of naturally growing plant fibers of between 30 and 75 wt-%, and the WPC extrusion profile includes at least one foam-filled hollow chamber. The at least one hollow chamber of the WPC extrusion profile is completely filled up with a foam, in particular a closed-pore foam. The foam includes or consists of a plastic material of the same type of plastic as the matrix of the WPC material. The foaming is effected by using a physically acting blowing agent, in particular CO2, wherein the density of the foam is less than 0.4 g/cm3 and the average cell size of the foam has a mean diameter of less than 0.4 mm.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: June 13, 2023
    Assignee: GREINER EXTRUSION GROUP GMBH
    Inventors: Leopold Weiermayer, Franz Zorn
  • Publication number: 20230034650
    Abstract: The invention relates to an extrusion nozzle for an extrusion device for extruding plastic profiles, having at least one nozzle plate (1) which has at least one flow channel (2) for plastic melt, and at least one insert element (4) which is inserted into the at least one flow channel (2) in order to reduce a cross-sectional area of the at least one flow channel (2) through which the plastic melt can flow. At least one holding device (3) is provided in the at least one flow channel (2), on which the at least one insert element (4) is arranged.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 2, 2023
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Manuel SCHNELLENBERGER, Gerald LEITNER, Ernst KRONEGGER
  • 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: 20210046688
    Abstract: It is provided a WPC extrusion profile comprising a WPC material, in which plant fibers are embedded in a plastic matrix, wherein the WPC material has a content of naturally growing plant fibers of between 30 and 75 wt-%, and the WPC extrusion profile includes at least one foam-filled hollow chamber. The at least one hollow chamber of the WPC extrusion profile is completely filled up with a foam, in particular a closed-pore foam. The foam includes or consists of a plastic material of the same type of plastic as the matrix of the WPC material. The foaming is effected by using a physically acting blowing agent, in particular CO2, wherein the density of the foam is less than 0.4 g/cm3 and the average cell size of the foam has a mean diameter of less than 0.4 mm.
    Type: Application
    Filed: February 1, 2019
    Publication date: February 18, 2021
    Applicant: GREINER EXTRUSION GROUP GMBH
    Inventors: Leopold WEIERMAYER, Franz ZORN
  • 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