Patent ID: 8336354

Claim:
Straightening machine comprising an upper straightening roller arrangement with upper straightening rollers and a lower straightening roller arrangement with lower straightening rollers, wherein the upper straightening roller arrangement is formed as an upper interchangeable cartridge and the lower straightening roller arrangement is formed as a lower interchangeable cartridge, the upper interchangeable cartridge and the lower interchangeable cartridge together forming an interchangeable cartridge arrangement that is divided by height into two parts that are separately or commonly removable, and wherein the interchangeable cartridge arrangement is also divided in depth in each one of the upper interchangeable cartridge and the lower interchangeable cartridge, wherein the upper interchangeable cartridge is divided in depth between an upper roller support bar and an upper coupling support bar and the lower interchangeable cartridge is divided in depth between a lower roller support bar and a lower coupling support bar, wherein the upper and lower straightening rollers are driveable by respective coupling elements and the upper straightening rollers are arranged with associated ones of the coupling elements in the upper interchangeable cartridge and the lower straightening rollers are arranged with associated ones of the coupling elements in the lower interchangeable cartridge.