Patents Assigned to Sarnatech Spritzguss AG
  • Method for injection molding a roller body from thermoplastic materials
    Patent number: 6426028
    Abstract: A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic material different from the first thermoplastic material. The casing is bonded to the roller by an injection-molding process.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: July 30, 2002
    Assignees: Sarnatech Spritzguss AG, Rutishauser Data AG
    Inventors: Stephen Lerch, Thomas Rutishauser
  • Injection molded axis or roller body made by injection molded thermoplastic materials
    Patent number: 6044963
    Abstract: A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic material different from the first thermoplastic material. The casing is bonded to the roller by an injection-molding process.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: April 4, 2000
    Assignee: Sarnatech Spritzguss AG
    Inventors: Stephan Lerch, Thomas Rutishauser