Metal clanks pierce through the air. Enormous cranes zoom along beneath the ceiling. As if moved by magic, they place 24 glistening, solid steel bars on to transport rolls. One steel bars zooms around the bars twice at raging speed. The strapping head lowers itself. One crackle and the strap ends are firmly welded in place. This process is repeated in two other places before the long bars are firmly fixed together.
Twinstrap is the strapping process, in which a double strap is placed around a package. The double strap acts as a pulley and steadily distributes the forces involved during transport. This distributional effect could not be achieved by having two distinct individual straps, whereas strapping according to the twinstrap process enables a higher breaking load with the same cross-section.