oystar hamba presents chainless drive concept saarbrucken, july 22, 2013. the patented &ldquomultiformat&rdquo, the chainless transport system designed by oystar hamba, increases the availability of machines for handling preformed cups up to 25. the automated format changeover results in an increased production time, caused by format change over time reduction. for example, a single person can handle a cell plate change without tools in less than 15 minutes.