Patents by Inventor Veit Lachmann

Veit Lachmann 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).

  • Lip sealing ring and method for its manufacture
    Patent number: 4125266
    Abstract: In a lip sealing ring made of two elastomer materials including, a first elastomeric material made from a non-fluoroelastomer, a second elastomeric material made of a fluoroelastomer and serving as the sealing lip, and an embedded reinforcing metal ring, the improvement wherein the non-fluoroelastomer material is an acrylelastomer consisting of a terpolymer of ethylene, methylacrylate and a carboxyl containing monomer, with the sealing lip portion and the non-fluoroelastomer portion being vulcanized to the metal ring with a binder comprised of a mixture of monomeric silanes.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: November 14, 1978
    Assignee: Goetzewerke Friedrich Goetze AG
    Inventors: Wolf-Dieter Schonherr, Karl-Heinz Wolfert, Veit Lachmann