METHOD OF AND DEVICE FOR AUTOMATIC CLOSING OF SHIPMENT SACKS Russian patent published in 1998 - IPC

FIELD: packing. SUBSTANCE: filled up sacks are first opened and leveled up in height and then clamped with forming of double fold. Glue is applied to surfaces between folding operations, and double fold is clamped in clamping rollers together with place covered by glue. Proposed method provides automatic closing of like sacks with filling of up to 1200 sacks per hour at high versatility as to overall dimensions and mass of sacks at relatively small expenses. EFFECT: enlarged operating capabilities. 23 cl, 6 dwg