The bellows vacuum cups can be referred to as the “accordions” amongst the vacuum cups. It adapts itself in a flexible manner to the surface and is, thus, particularly suitable for very light and sensitive materials having uneven surfaces such as, for example, films, paper and special packages.
What makes this possible are its – sometimes more or less – bellows. They fold together in a flexible manner when using suction to pick up the work piece and then again away from each other. In this way they facilitate level compensation so that parts at different heights can be lifted by it