Patents Assigned to Sarnatech BNL Ltd.
  • Injection molded axis or roller body made by an injection molded thermoplastic materials
    Patent number: 6729466
    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: May 10, 2002
    Date of Patent: May 4, 2004
    Assignee: Sarnatech BNL Ltd.
    Inventors: Stephan Lerch, Thomas Rutishauser