Patents by Inventor Wolff G. von Rex

Wolff G. von Rex 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: 4617162
    Abstract: Method for the production of friction linings, in which a mixture of fibers and wetting agents with water, in a fiber:water-mixture ratio from about 1:3 to 1:7, in the presence of plastifying components, is homogenized, the so formed plastic mass is shaped into a formed body, the formed body is dried, and then strengthened and hardened under heat and pressure. According to a variation, additives are first intensively mixed in after homogenization of the mixture containing fibers, wetting agent, plastifying component and water. The plastifying component may be a pectin, a polysaccharide, a vegetable glue or a viscose solution, in particular algin or gum arabic. Moreover, the plastifying component may be a colloid, in particular an aqueous colloid. It may also be a fiber colloid. In that case, it is preferred for the fiber colloid content to be greater than about 30% by weight.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: October 14, 1986
    Assignee: Rex Patent Graf von Rex GmbH & Co KG
    Inventors: Wolff G. von Rex, Hans Fetzer