Roll winding device and method of increasing rigidity of such device

A roll winding device, comprising:

• a frame having first and second ends, said frame comprising a first column structure at said first end and a second column structure at said second end;
• a winding bed comprising at least one carrying roll being disposed between said first and second column structures and being supported at a first end of said carrying roll by said first column structure and supported at a second end by said second column structure;
• said first and second column structures being connected by at least one cross bar comprising a sealing box.

A method of increasing the rigidity of a roll winding device, the roll winding device comprising a frame having first and second ends, said frame comprising a first column structure at said first end and a second column structure at said second end, a winding bed, comprising at least one carrying roll, is disposed between said first and second column structures and is supported at a first end of said carrying roll by said first column structure and supported at a second end by said second column structure, said method comprising:

• connecting said first and second column structures by at least one cross bar comprising a sealing box.

A roll winding device, comprising a winding bed and at least one support device comprising at least one carrying roll having a first end and a second end and a longitudinal axis disposed in a lateral direction with respect to a direction of travel of a web, in a machine frame comprising a column device at each of the two ends of the carrying roll, said column devices being connected to each other in the lateral direction by at least one cross bar, at least one cross bar comprising a sealing box that is disposed underneath the winding bed;

• wherein the blade cross bar is disposed adjacent to the sealing box, and the blade cross bar is hollow and is in fluid communication with the winding bed by way of a plurality of air lines distributed in the lateral direction with respect to the direction of travel of the web.

A method of increasing the rigidity of a roll winding device, the roll winding device comprising a frame having first and second ends, said frame comprising a first column structure at said first end and a second column structure at said second end;

• a winding bed comprising at least one carrying roll being disposed between said first and second column structures and being supported at a first end of said carrying roll by said first column structure and supported at a second end by said second column structure;
• the method comprising connecting said first and second column structures by at least one cross bar comprising a sealing box;
• wherein the blade cross bar is disposed adjacent to the sealing box, and the blade cross bar is hollow and is in fluid communication with the winding bed by way of a plurality of air lines distributed in the lateral direction with respect to a direction of travel of a web.