The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 1979
Filed:
Feb. 23, 1978
David L Garbelman, Edmond, OK (US);
William H Minor, Bethany, OK (US);
Arthur G Shaw, Mustang, OK (US);
CMI Corporation, Oklahoma City, OK (US);
Abstract
An improved method and apparatus for producing hot mix asphalt utilizing new aggregate and a previously manufactured and laid asphalt mix which has been reduced to form recyclable aggregate, wherein the new aggregate is fed into the input end of a rotating mixer drum and cascaded repeatedly through a flame extending from the input end of the mixer drum to a first medial portion thereof and the recyclable aggregate is fed radially into the mixer drum at a second medial portion thereof intermediate the first medial portion and the output end of the mixer drum, the new aggregate shielding the mixer drum from the flame and confining the flame to the portion of the mixer drum between the input end and the first medial portion thereof.