A process for making asphalt concrete comprises mixing starting materials including aggregate and binder material and optionally, other additives, to a final temperature of about 60.degree. C. to about 150.degree. C. in an indirectly heated mixing chamber which is sealed. The moisture content of the...http://www.google.es/patents/US4245915?utm_source=gb-gplus-sharePatente US4245915 - Apparatus for making asphalt concrete
