Patents by Inventor Stefan POLLASCHEK

Stefan POLLASCHEK 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).

  • POLYURETHANE, ROLLER COVERING AND PRODUCTION METHOD
    Publication number: 20240218106
    Abstract: A polyurethane for producing roller covers is obtainable by reacting the following components a) at least one diisocyanate, b) at least one polycarbonate diol having a molecular weight of between 500 and 3000 and c) an additional diol. The NCO/OH ratio is between 0.9 and 0.99. A production method, a roller cover with the polyurethane and a production method for the roller cover, are also provided.
    Type: Application
    Filed: February 8, 2022
    Publication date: July 4, 2024
    Inventors: Anton Horak, Stefan Pollaschek
  • ROLL COVER AND ROLL
    Publication number: 20240068164
    Abstract: A roll cover and a roll in particular for use in a machine line for the production or processing of a fibrous web is provided, wherein the roll cover includes a radial outer functional layer which provides the surface of the roll cover in contact with the web, and wherein the functional layer has structural elements, in particular in the form of grooves and/or bores, wherein the functional layer is constructed of an elastomer material with a Poisson number greater than 0.4, between 0.45 and 0.5.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Applicant: Voith Patent GmbH
    Inventors: Franz Grohmann, Nina Eggers, Anton Horak, Stefan Pollaschek
  • Roll cover, roll, and use of said roll
    Patent number: 11499037
    Abstract: A roll covering includes a functional layer formed of a polymer which is a blend of at least one rubber and one millable polyurethane rubber. The polymer includes from 65% by weight to 85% by weight of the at least one rubber and from 15% by weight to 35% by weight of the millable polyurethane rubber. A roll having the roll core, a method of using the roll and a combination of the roll and a heated drying cylinder are also provided.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: November 15, 2022
    Assignee: Voith Patent GmbH
    Inventors: Franz Grohmann, Anton Horak, Nina Eggers, Stefan Pollaschek
  • Roll Cover, Roll, And Use Of Said Roll
    Publication number: 20210284825
    Abstract: A roll covering includes a functional layer formed of a polymer which is a blend of at least one rubber and one millable polyurethane rubber. The polymer includes from 65% by weight to 85% by weight of the at least one rubber and from 15% by weight to 35% by weight of the millable polyurethane rubber. A roll having the roll core, a method of using the roll and a combination of the roll and a heated drying cylinder are also provided.
    Type: Application
    Filed: July 25, 2017
    Publication date: September 16, 2021
    Inventors: FRANZ GROHMANN, ANTON HORAK, NINA EGGERS, STEFAN POLLASCHEK
  • ROLLER AND METHOD FOR PRODUCING A ROLLER
    Publication number: 20150211181
    Abstract: A roller for use in a machine for producing and/or processing and/or finishing a fiber web, such as a paper or cardboard web. The roller has a roller core and a roller cover disposed thereon. The roller cover has at least one layer or a plurality of layers. The layer or at least one of the layers is made of a foamed metal or alloy material.
    Type: Application
    Filed: August 20, 2013
    Publication date: July 30, 2015
    Inventor: Stefan Pollaschek
  • TUBE-SHAPED BODY FOR CONVEYING SOLID, LIQUID AND/OR GASEOUS SUBSTANCES
    Publication number: 20110265903
    Abstract: A tube-shaped body for conveying solid, liquid and/or gaseous substances, including a plurality of concentrically arranged layers, where at least one layer is designed as a carrier layer, and at least two further layers are designed as strength layers, which are formed of filamentary and/or wire-shaped and/or elongate components, which each form a structure having a defined structural angle, where at least two strength layers differ in their structural angles.
    Type: Application
    Filed: April 20, 2011
    Publication date: November 3, 2011
    Applicant: SEMPERIT AG HOLDING
    Inventors: Wolfgang GREINER, Stefan POLLASCHEK