For mechanical construction industries, PRONAL can supply extensive ranges of standard and tailor-made inflatable pneumatic cushions, which are easily incorporated into all types of machines, including special machines.

The following mechanical functions can be delivered: lifting, pushing, pressing, guiding, locking, damping.

Our numerous projects include the supply of inflatable bags for the VLT telescope in Chile (to secure the 50 m2 reflector in case of an earthquake), a toroidal cushions (8 m in diameter) for a tunnel borer (to provide a sliding seal) and inflatable vibration-damping cushions (capable of supporting loads of 150 tonnes).