Patents by Inventor Karl Adamsson

Karl Adamsson 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: 11834788
    Abstract: The present invention relates to a crescent former for producing tissue paper, the former comprising a forming section (A), a press section (B) and a drying section (C), wherein the crescent former further comprises a felt fabric (41) for carrying the stock from the forming nip (15) of the forming section (A) to the press nip (22) of the press section (B), and the felt fabric (41) being configured to carry the stock to the press nip (22) where the stock is transferred to the drying section (C), wherein further the felt fabric (41) is configured to be returned from the press nip (22) to the forming nip (15) in a return section (D) such that the felt fabric (41) forms an endless loop, wherein the return section (D) comprises a cleaning station (42), of which at least a part is arranged in a negative machine direction (?MD) in relation to a center line (R) of the forming roll (12).
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 5, 2023
    Assignee: VALMET AB
    Inventors: Karl Adamsson, Stefan Söderberg, Stefan Karlsson
  • Publication number: 20230212819
    Abstract: The present invention relates to a crescent former for producing tissue paper, the former comprising a forming section (A), a press section (B) and a drying section (C), wherein the crescent former further comprises a felt fabric (41) for carrying the stock from the forming nip (15) of the forming section (A) to the press nip (22) of the press section (B), and the felt fabric (41) being configured to carry the stock to the press nip (22) where the stock is transferred to the drying section (C), wherein further the felt fabric (41) is configured to be returned from the press nip (22) to the forming nip (15) in a return section (D) such that the felt fabric (41) forms an endless loop, wherein the return section (D) comprises a cleaning station (42), of which at least a part is arranged in a negative machine direction (-MD) in relation to a center line (R) of the forming roll (12).
    Type: Application
    Filed: August 27, 2021
    Publication date: July 6, 2023
    Inventors: Karl ADAMSSON, Stefan SÖDERBERG, Stefan KARLSSON
  • Patent number: 10130965
    Abstract: A device for spraying a coating chemical onto a moving surface (1) of a papermaking machine includes a machine-wide box body (2) extending in a cross machine direction and defines an internal space configured to enclose part of a spraying equipment (3) and also defines an elongate opening (22) facing said moving surface (1). The spraying equipment (3) includes a plurality of spray nozzle members (30) for spraying coating chemical through said opening (22) onto the moving surface (1), a coating chemical supplying tube (32) is connected to the nozzle members (30), and a plurality of valves (33) are mounted on the coating chemical supplying tube (32), one for each nozzle member (30).
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: November 20, 2018
    Assignee: Valmet Aktiebolag
    Inventor: Karl Adamsson
  • Publication number: 20180161794
    Abstract: A device for spraying a coating chemical onto a moving surface (1) of a papermaking machine includes a machine-wide box body (2) extending in a cross machine direction and defines an internal space configured to enclose part of a spraying equipment (3) and also defines an elongate opening (22) facing said moving surface (1). The spraying equipment (3) includes a plurality of spray nozzle members (30) for spraying coating chemical through said opening (22) onto the moving surface (1), a coating chemical supplying tube (32) is connected to the nozzle members (30), and a plurality of valves (33) are mounted on the coating chemical supplying tube (32), one for each nozzle member (30).
    Type: Application
    Filed: September 28, 2017
    Publication date: June 14, 2018
    Inventor: Karl Adamsson
  • Patent number: D1026977
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: May 14, 2024
    Assignee: Valmet Aktiebolag
    Inventors: Stefan Söderberg, Karl Adamsson, Stefan Karlsson