Abstract: To clean the inside and outside of a container capable of containing dust-free objects for carrying, a cleaning apparatus is used within a clean room or a housing in which the cleaning apparatus is installed. The clean room or housing is kept highly cleaned. By the cleaning apparatus, the container is separated into a container body and a lid, the separated container body and lid are subject to cleaning conducted by cleaning means. Coupling means allows the cleaned container body and lid to be coupled again into the container. This coupling operation is performed automatically, the inside of the container that has already been cleaned will not be spoiled in its clean level.

Abstract: A container for receiving and transporting dust free articles which is opened and closed by inserting a positioning pin and a key in an opener mechanism into a positioning hole and a key hole provided in a cover, with a tapered surface formed on an upper inner surface of the positioning hole, and with a floating mechanism disposed in the key hole. According to the above container, the positioning pin and key are easily inserted, and the cover is smoothly closed.