Patent ID: 9039591
Filing Date: 2015-05-26
Classification: B31B

Abstract:
1. A bag manufacturing system comprising: at least one tube forming device, which forms a tube and then separates the tube into tube pieces; at least one bottom forming device, which provides the tube pieces as to form bags; a storage device that stores the tube pieces on at least two tiers in a stack having a first side and a second side; and at least a first loading and unloading device and a second loading and unloading device that supply the tube pieces to and remove the tub pieces from at least a first point at the first side of the at least two-tiered stack and a second point at the second side of the at least two-tiered stack of the storage device, the first loading and unloading device and the second loading and unloading device each including a lifting table that (i) moves vertically to access the tiers of the stack and (ii) has associated therewith a conveyor belt that transports the tube pieces in a transport direction, with the first loading and unloading device supplying the tube pieces to the first point at a same time that the second loading and unloading device is removing the tube pieces from the second point.