Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices {;Control of the correct working of the interconnecting device} by knotting {the threads are moved in ducts having the form of the wanted knot}
Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices {;Control of the correct working of the interconnecting device} by knotting {the threads are moved in ducts having the form of the wanted knot}