Patents by Inventor Allan GRIMM

Allan GRIMM 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: 10633794
    Abstract: The invention relates to a method of making a structured fibrous web (W). The method comprises forming a fibrous web (W) and conveying the formed fibrous web on a water receiving felt (5) to a dewatering nip (PN) formed by a first press unit (8) and a second press unit (9) and where an endless belt (11) is passed through the nip together with the fibrous web 5 (W) and the water receiving felt (5), The endless belt has a side which is covered by a polymer and which contacts the fibrous web (W) in the dewatering nip (PN).
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: April 28, 2020
    Assignee: Valmet Aktiebolag
    Inventors: Karl-Johan Tolfsson, Ingvar Klerelid, Allan Grimm, Hans Ivarsson
  • Publication number: 20190284761
    Abstract: Described is a creped fibrous web (W) having a basis weight in the range of 14 g/m2-40 g/m2, and having a three-dimensional structure formed by depressed regions (45) and elevated regions (46). The fibers of the fibrous web (W) are 20 evenly distributed over the surface of the creped fibrous web (W). Also described is a method of making the fibrous web (W), including conveying the formed fibrous web on a water receiving felt (5) to a dewatering nip (PN) formed by a first press unit (8) and a second press unit (9) and where an endless belt (11) is passed through the nip together with the fibrous web 5 (W) and the water receiving felt (5). The fibers of the fibrous web (W) will be evenly distributed on a structured clothing (12).
    Type: Application
    Filed: May 28, 2019
    Publication date: September 19, 2019
    Inventors: Karl-Johan Tolfsson, Ingvar Klerelid, Allan Grimm, Hans Ivarsson
  • Publication number: 20180119353
    Abstract: The invention relates to a method of making a structured fibrous web (W). The method comprises forming a fibrous web (W) and conveying the formed fibrous web on a water receiving felt (5) to a dewatering nip (PN) formed by a first press unit (8) and a second press unit (9) and where an endless belt (11) is passed through the nip together with the fibrous web 5 (W) and the water receiving felt (5), The endless belt has a side which is covered by a polymer and which contacts the fibrous web (W) in the dewatering nip (PN).
    Type: Application
    Filed: May 19, 2016
    Publication date: May 3, 2018
    Inventors: Karl-Johan TOLFSSON, Ingvar KLERELID, Allan GRIMM, Hans IVARSSON