Patents Assigned to Sofited 2
  • Machine for manufacturing corrugated structures
    Patent number: 3998140
    Abstract: The invention concerns a machine for the continuous manufacture of corrugated filter structures out of a thin strip. On the two sides of the thin strip, by means of marking lines, a series of impressions are marked for the purpose of beginning the formation of longitudinal folded ribs, the strip thus marked being pushed through a passage having an evolving shape and longitudinal ribs, for the purpose of compressing the strip transversely as well as longitudinally, and the folded structure coming out of such passage being cut at will.
    Type: Grant
    Filed: July 2, 1975
    Date of Patent: December 21, 1976
    Assignee: Sofited 2
    Inventor: Claude Maurice Andre