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:
May. 14, 2019
Filed:
Nov. 18, 2016
Applicant:
Astec Industries, Inc., Chattanooga, TN (US);
Inventor:
Malcolm L. Swanson, Chickamauga, GA (US);
Assignee:
Astec Industries, Inc., Chattanooga, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 23/00 (2006.01); F26B 3/04 (2006.01); F26B 11/02 (2006.01); F26B 17/32 (2006.01); F26B 23/02 (2006.01); E01C 19/10 (2006.01);
U.S. Cl.
CPC ...
F26B 23/002 (2013.01); E01C 19/1036 (2013.01); F26B 3/04 (2013.01); F26B 11/028 (2013.01); F26B 17/32 (2013.01); F26B 23/02 (2013.01);
Abstract
A combination of components for use in making asphalt concrete from a mixture of virgin aggregate material with recycled asphalt products and/or recycled asphalt shingles encompasses a direct dryer for heating virgin aggregate material; a pre-dryer for heating recycled asphalt product and/or recycled asphalt shingles, said pre-dryer using warm exhaust gas from said direct dryer to heat the recycled asphalt product and/or recycled asphalt shingles; and means for conveying warm exhaust gas from said direct dryer to said pre-dryer.