Patents Assigned to SP Reinfenwerke GmbH
  • Method for the manufacture of pneumatic vehicle tires using microwave energy
    Patent number: 5665298
    Abstract: A method for the manufacture of pneumatic vehicle tires with a carcass extending between two bead rings and a breaker disposed between carcass and tread is described in which a tire blank is built up making exclusive use of non-metallic components and at least a part of the thermal energy required in the course of the vulcanization and shaping, which take place under the action of heat and pressure, is introduced into the tire in the form of microwave energy.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: September 9, 1997
    Assignee: SP Reinfenwerke GmbH
    Inventors: Klaus Unseld, Manfred Gerresheim