Patents by Inventor Andreas THIERFELD

Andreas THIERFELD 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: 9744737
    Abstract: The invention relates to a press roller for a roller press, in particular for briquetting, compacting or grinding granular material, having a roller core (1) and a roller sleeve fastened to the exterior of the roller core (1), said sleeve being composed of a plurality of segments (2), distributed over the circumference, with mutually facing lateral faces (3). The segments (2) have clamping shoulders (5) which extend around the front faces, the segments (2) being releasably fastened at each front face to the roller core (1) by means of at least one fastening ring (6). Said fastening ring fits over the clamping shoulders (5) of the segments (2). The fastening ring (6) is or can be clamped against the segments (2) by means of axially parallel clamping bolts (7). Each segment has at least one axially parallel opening for the clamping bolts which, relative to the extension in the circumferential direction, is arranged between the two lateral faces (3) of the segment (2).
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 29, 2017
    Assignee: MASCHINENFABRIK KOEPPERN GMBH & CO. KG
    Inventors: Kai-Uwe Habermann, Axel Hoefter, Andreas Thierfeld
  • Patent number: 9744736
    Abstract: The invention relates to a press roller for a roller press, in particular for briquetting, compacting or grinding granular material, having a roller core (1) and a roller sleeve fastened to the exterior of the roller core (1), said sleeve being composed of a plurality of segments (2), distributed over the circumference, with mutually facing lateral faces (3). The segments (2) have clamping shoulders (5) which extend around the front faces and have first clamping surfaces (8). The segments (2) are releasably fastened at each front face to the roller core (1) by means of at least one fastening ring (6), said fastening ring fitting over the clamping shoulders (5) of the segments (2).
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: August 29, 2017
    Assignee: MASCHINEFABRIK KOEPPERN GMBH & CO. KG
    Inventors: Eggert De Weldige, Kai-Uwe Habermann, Axel Hoefter, Andreas Thierfeld
  • Publication number: 20160075097
    Abstract: The invention relates to a press roller for a roller press, in particular for briquetting, compacting or grinding granular material, having a roller core (1) and a roller sleeve fastened to the exterior of the roller core (1), said sleeve being composed of a plurality of segments (2), distributed over the circumference, with mutually facing lateral faces (3). The segments (2) have clamping shoulders (5) which extend around the front faces and have first clamping surfaces (8). The segments (2) are releasably fastened at each front face to the roller core (1) by means of at least one fastening ring (6), said fastening ring fitting over the clamping shoulders (5) of the segments (2).
    Type: Application
    Filed: March 17, 2014
    Publication date: March 17, 2016
    Inventors: DE WELDIGE Eggert, Kai-Uwe HABERMANN, Axel HOEFTER, Andreas THIERFELD
  • Publication number: 20160023418
    Abstract: The invention relates to a press roller for a roller press, in particular for briquetting, compacting or grinding granular material, having a roller core (1) and a roller sleeve fastened to the exterior of the roller core (1), said sleeve being composed of a plurality of segments (2), distributed over the circumference, with mutually facing lateral faces (3). The segments (2) have clamping shoulders (5) which extend around the front faces, the segments (2) being releasably fastened at each front face to the roller core (1) by means of at least one fastening ring (6). Said fastening ring fits over the clamping shoulders (5) of the segments (2). The fastening ring (6) is or can be clamped against the segments (2) by means of axially parallel clamping bolts (7). Each segment has at least one axially parallel opening for the clamping bolts which, relative to the extension in the circumferential direction, is arranged between the two lateral faces (3) of the segment (2).
    Type: Application
    Filed: March 19, 2014
    Publication date: January 28, 2016
    Inventors: Kai-Uwe HABERMANN, Axel HOEFTER, Andreas THIERFELD