Patents Assigned to Erecta AG
  • Heat-insulated plastic hall
    Patent number: 4188756
    Abstract: An air or frame supported hall made out of synthetic sheeting, especially a hall having an outer heat insulation consisting of a number of adjacent mats covering substantially the entire hall, each mat consisting of a core of soft cellular synthetic, each flat side of said core being laminated with an unreinforced soft flexible synthetic sheet material.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: February 19, 1980
    Assignee: Erecta AG
    Inventor: Sven O. B. Ljungbo