Patents by Inventor Kari Rannasmaa

Kari Rannasmaa 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: 20080267002
    Abstract: A method for dosing an additive in an injection-moulding unit, and an injection-moulding unit. The injection-moulding unit (1) comprises a screw (2) that comprises at least a feed zone (4). The injection-moulding unit (1) also comprises feed devices (7) that dose the plastic raw material into a space between the screw (2) and a cylinder through a feed opening (9) onto the feed zone (4) of the screw. The additive is fed to the feed zone (4) of the screw from the dosing channel (10) that opens into the space between the screw (2) and cylinder (3) in the flow direction of the plastic raw material.
    Type: Application
    Filed: November 14, 2006
    Publication date: October 30, 2008
    Applicant: MEDIFIQ HEALTHCARE OY
    Inventor: Kari Rannasmaa