Automatic Filter Bag Sewing Machine

High Speed Off-The-Arm Chainstitch Sewing Machine for Filter Bags The machine is particularly suitable for tube-like material, like filter bags. After a thorough improvement of the chainstitch, now the needle thread and bottom thread tension is very low, also it prevent the phenomenon of jumper and wrinkle during high speed sewing. The jumper rate is 40% lower than tradional chain structure.