Patents Assigned to RCM Plastics CC
  • Screening element
    Patent number: 7303079
    Abstract: The invention provides a screen which has a screen body (12) and a plurality of ribs which extend across the screen body. Screening apertures (118) are defined in the screen body by the ribs. A reinforcing frame (124) is embedded in the screen body, which frame is made of a first plastics material which has a greater density than a second plastics material from which the screen body (12) is made. The frame has keying formations formed therein to assist in bonding between the frame and the screen body.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: December 4, 2007
    Assignee: RCM Plastics CC
    Inventors: Johan Theodore Reid-Robertson, Angelo Marietta, Anneke Denise Le Roux, legal representative, Charles Wynand Louw, Franz Zavier Mahl, deceased