LOCK DEVICE FOR ADDING AND REMOVING CONTAINERS TO AND FROM A VACUUM TREATMENT CHAMBER

摘要

A lock device for adding and removing containers to and from a vacuum treatment chamber, wherein the device comprises carrier plates for the containers, the plates being fastened to a revolving transport means and being transported through lock channels provided in straight sections of the transport means, achieving a sealing effect with said channels. The plates are moved past suction or ventilation openings in the lock channel. In this way, a differential pressure stage can be formed. The device can be flexibly dimensioned and cost-effectively produced.