Level lining apparatus and method

摘要

An apparatus and method are provided for simultaneously feeding two or more rolls of material into a sewing and cutting system. Specifically, the apparatus includes a roll let-off for supporting and feeding a first roll of material or cloth. The let-off includes a tension control unit for feeding the cloth at constant tension. A second roll let-off is also included for supporting and feeding a second roll of material. The second roll let-off also includes a tension control unit in combination with a torque supplying device. The tension control unit and the torque supplying device are adjusted to place a single tension on the material that allows the second roll of material to be fed with the first roll of material simultaneously and uniformly. By using the apparatus of the present invention, improved sewn products can be produced automatically.