For many different applications, PRONAL has been designing and manufacturing lifting bags , particularly for industrial and maintenance operations
They are produced from polyurethane coated fabrics welded by high frequency welding process or rubber coated fabric vulcanized under high pressure or vacuum in an autoclave.
For the automotive industry and suppliers of vehicle windshields, PRONAL flexible vacuum bags are studied for the treatment of laminated glass. The latest developments have evolved the product with a rapid-closing action.
PRONAL inflatable industrial bags (also called bladders or cushions) are the ideal choice for applications that require short stroke, high thrust and compact design. Main actions : to convey, to block, to press, to handle.
More details on: http://pronal-liftingbag.com/generalities/