Patent ID: 7344104

Claim:
An apparatus for winding a sheet material into a roll, said apparatus comprising: a core shaft around which the sheet material is wound into a roll, a drive roller, a drive nip roller nipped against the drive roller, a brake roller, a brake nip roller nipped against the brake roller and an endless belt having an endless belt path which partially wraps the roll; said endless belt configured to travel between the drive nip roller and the drive roller and to rotate about the drive roller; said endless belt further configured to travel between the brake nip roller and the brake roller and to rotate about the brake roller; and wherein the drive roller advances the endless belt while the brake roller retards the endless belt so as to create a lower tension in the portion of the endless belt's path between the drive roller and the break roller that wraps the roll and a higher tension in the remaining portion of the endless belt's path between the brake roller and the drive roller that does not wrap the roll.