Folding pneumatic roof seal - has continuous flexible leakage strip along edge and folding with it

摘要

The pneumatic seal is for a folding air-cushion roof. It has cloth enclosing the girders with along the sides, a continuous flexible leakage strip (2) folding with the roof. A bead (7) can be secured under the strip. The cloth can be secured between successive girders so that, on inflation, it expands under the air pressure against the fixed end girder with a rail guide (10) and trough (3) beneath.S.