Abstract: A closure for a pressure cooker pot which includes a lid with a lateral keyway in the center, and a standpipe fixed to the lid, a key fitting in the keyway and removable lid locking means fixed to the key and reacting between the key and the pot. A pressure regulator when in position on the standpipe prevents the separation of the locking means from the lid by blocking the removal of the key.

Abstract: A pressure cooker including a receptacle open at the top, a lid for closing the receptable, locking means engaging the lid and a plurality of brackets attached to the receptacle for engagement with the locking means characterized in that the plurality of brackets overhang the rim of the receptacle and are positioned around the receptacle so that the lid cannot be removed from the receptacle laterally but not vertically.