Patents Assigned to Siamp-Cedap
  • Patent number: 5175035
    Abstract: Multilayer sheet for making containers with lid closed by sealing.The upper layer 7 is comprised of an heterogeneous mixture of two products having different coefficients of viscosity, the most fluid product being compatible with the lower layer 8 of the lid.Removal of the lid leads to tearing of the upper layer 7 by decohesion.
    Type: Grant
    Filed: June 18, 1991
    Date of Patent: December 29, 1992
    Assignee: Siamp-Cedap
    Inventors: Francis Pinsolle, Vincent Chaupin