An apparatus and method for transporting and unloading a container (10, 10A) carrying particulate lading which is removably mounted on a tiltable support frame (76, 76A) pivotally mounted on a highway trailer (54, 54A). At the unloading site, a portable throttle valve assembly (108, 108A) and flexible...http://www.google.com/patents/US4875811?utm_source=gb-gplus-sharePatent US4875811 - Apparatus and method for transporting and unloading containers
