Patents Assigned to Dac-Emballage A.M.B.A.
  • Valve bag
    Patent number: 4618993
    Abstract: A valve bag having an upper bottom with a valve and a lower bottom symmetrically folded in a manner where the bottoms lie atop the central bag portion in a side-by-side and parallel manner is provided.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: October 21, 1986
    Assignee: Dac-Emballage A.M.B.A.
    Inventor: Ernst R. Berthelsen