Container filling plant for aseptically filling containers, which plant has a filling machine and a closing machine inside a clean room. There is also adopted a structure in which the lower structure and the upper structure are rotatably joined together along two axes of hinges. The motor control unit independently controls each of the motors based on the velocity and a predetermined velocity directive value. In addition, the strap may include a pair of securing elements configured to join the strap to an article, and at least one of the securing elements may be joined to the second end of the bladder.