Patents by Inventor Josef Zemla

Josef Zemla 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).

  • Publication number: 20050161162
    Abstract: The assembly of devices for production of green tyres, consisting of a belt building drum, tread building drum, band drum for preparing a carcass and a forming drum and further includes devices for transferring particular components or assemblies of the components from one device to another, an apparatus for placing and holding a bead and the carcass assembly, stiching unit, and particular servisers for supplying materials to particular devices. The assembly of devices is arranged into two parallel transfer tracks 20 and 50 and includes the band drum 30 for preparing carcass assembly, the tyre building drum 130, the apparatus 150 for placing and holding the head and the carcass assembly on the first transfer track 20, the apparatus 150 is disposed between the said band drum 30 for preparing the carcass assembly, and the tyre-building drum 130.
    Type: Application
    Filed: April 9, 2003
    Publication date: July 28, 2005
    Applicant: Matador A.S.
    Inventors: Stefan Bakos, Josef Zemla, Jan Sedik, Peter Mahalik
  • Publication number: 20050115661
    Abstract: A tyre building drum with a turn-up device for production of unvulcanized tyres, consisting of a horizontally disposed central bearing hollow shaft (1) with a driving spindle extending through the centre of the bearing hollow shaft, around which there are arranged two sets of lever arms (26) with rollers (27), between which a mechanism for supporting bead wires from both sides is located at both sides of a vertical symmetry plane, the mechanism consisting of: an axially movably arranged first guiding disc (21) with radially movably arranged clamping bead segments (33), adapted to cooperate with a mechanism for controlling radial lift of clamping bead segments (33), and an axially movably arranged second guiding disc (34) with radially movably arranged supporting bead segments (32), adapted to cooperate with a mechanism for controlling radial lift of the supporting bead segments (32), wherein the clamping bead segment (33) is provided with a space (3) for receiving supporting arms (9, 9a) with a bridge (11) of
    Type: Application
    Filed: April 6, 2003
    Publication date: June 2, 2005
    Inventors: Josef Zemla, Mario Janovec, Stefan Bakos