The invention relates to a pressurized can comprising a body, a valve arranged in a dome, a base (16), an inner shell (1) with detachable, push-off type cover (8) arranged on the base (16) and a movable shaft (7) arranged in a fixing element (2) and extending through the base (16) into the inner shell...http://www.google.com/patents/US7870976?utm_source=gb-gplus-sharePatent US7870976 - Pressurized can with inner shell
