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:
Feb. 20, 2007
Filed:
Dec. 13, 2004
David R. Hall, Provo, UT (US);
Francis Leany, Provo, UT (US);
Robert P. Chase, Provo, UT (US);
Garret Smith, Provo, UT (US);
Matthew Hellewell, Provo, UT (US);
Joe Fox, Spanish Fork, UT (US);
David R. Hall, Provo, UT (US);
Francis Leany, Provo, UT (US);
Robert P. Chase, Provo, UT (US);
Garret Smith, Provo, UT (US);
Matthew Hellewell, Provo, UT (US);
Joe Fox, Spanish Fork, UT (US);
Other;
Abstract
A method and apparatus for working asphalt pavement, comprising one or both of a mechanical, hydraulic, electric, or pneumatic means for providing high-speed rotation; a rotary tool comprising a first end comprising a working surface and a second end adapted for connection to the means for providing high-speed rotation; and a screed, cooperatively arranged with the rotary tool, and comprising a working surface adjacent the working surface of the rotary tool, wherein the rotary tool is spun at high speed and applied to the asphalt pavement, frictionally heating the asphalt pavement to a temperature sufficient to work the pavement locally adjacent rotary tool and the screed. The screed and rotary tool comprising abrasion resistant materials selected from the group consisting of high-strength steel, hardened alloys, cemented metal carbide, polycrystalline diamond, and cubic boron nitride. The rotary tool and the screed apparatus may comprise a closed loop control system.