Patents Assigned to Aktiebolaget S:t Eriks Betong
  • Patent number: 4445802
    Abstract: Prefabricated concrete elements for constructing paths corresponding to a width N or a multiple thereof contain two groups. The first group comprises flat, four-sided slabs for the straight sections of the path, having a dimension corresponding to the normal width N or half said normal width. The second group of prefabricated concrete elements comprise a plurality of sets of flat, sector slabs for the curved sections of the path having different predetermined radius each set consists of sector slabs having a predetermined radius and radii having a dimension corresponding to the normal width.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: May 1, 1984
    Assignee: Aktiebolaget S:t Eriks Betong
    Inventor: Bjorn Loov