Patents Assigned to Unifull S.p.A.
  • Process and plant for packaging fluid or semi-fluid products in thermoformable synthetic resin containers
    Patent number: 5813197
    Abstract: A continuous lamina (3) is indexed through a forming station so as to be arranged around a tubular element (14); edges of the lamina (3) are welded together to form an unexpanded envelope (2a) which is then inflated when the envelope (2a) is closed in a die (11) through opposite sides of which said tubular element (14) passes; a container (2) formed by expanding said envelope (2a) is then filled and closed while a following envelope (2a) is being expanded.
    Type: Grant
    Filed: June 6, 1996
    Date of Patent: September 29, 1998
    Assignee: Unifull S.p.A.
    Inventor: Carlo Aguzzoli