The SBR series automatic paper bag making machines are suitable for Kraft and coated paper to produce square bottom paper bags.
They use roll paper as unwinding/input material. Side gluing, folding, tube forming, cutting, bottom folding and gluing to output of finished bag, all done in one continue work-flow.
The "patch bag (handle hole)" option allows the machine make the handle holes on the bag for easy carrying, no need to have extra handles on the bag . The option contains 2 sets of patch paper/film unwinding and gluing devices and the patch diecutting device.