A system for the exchange of a woven fabric or strip in a web forming machine, lifting device, which for the exchange of a woven fabric or strip in a web forming machine is used, and a method for the exchange of a woven fabric or strip in a web forming machine

摘要

A system for the exchange of a woven fabric or strip in a web forming machine, including– a fabric or strip (24), which forms a closed loop,– Vertical supports (20) for supporting rollers, and the finish of the fabric - or belt loop (24) and– an openable intermediate structure (26) between the vertical carriers (20),the intermediate structure (26) has a lifting device (10), further comprising a pressure chamber (30), the partially by edge surfaces (32) is fixed,and wherein the fabric or band (24) in the system is adapted in such a way that, as a result of the intermediate structure (26) can be passed, while the pressure chamber (30) with a medium (34) is acted upon by pressure,characterized in thatthe pressure chamber (30) between the edge faces (32) a with one or more outlet openings (33) is provided with a sliding surface (31), wherein the sliding surface of an outer surface (35), wherein the outlet openings (33) are adapted, in order to the outer surface (35) to..