Pothole repair machine

Details Pothole repair machine Pothole repair machine

2006-01-24

2006-01-24

Will, Thomas B. (Department: 3671)

Road structure, process, or apparatus

Apparatus

With means for heating a road base, surface, or material

C404S075000, C404S079000

Reexamination Certificate

active

06988849

ABSTRACT:
A pothole repair machine utilizes hot mix asphalt material to fill the pothole being repaired. The machine includes a heating apparatus for raising the temperature of the surface of the road surrounding the pothole to soften the material for bonding with the material to be inserted into the pothole. A hot tack spray is then placed onto the surface of the pothole before hot mix material is deposited into the pothole cavity. Before depositing the hot mix material, a sensing mechanism determines the depth of the pothole and causes an adjustment of the height of screening doors to effect the uncompressed height of the filling material at a predetermined percentage of overfill before a vibrating roller compresses the filling material to the level of the surrounding roadway. A plurality of screening doors extends along the transverse width of the machine, each door being adjustably controlled by a depth sensor member.

REFERENCES:
patent: 4215949 (1980-08-01), Gabriel, Jr.
patent: 4557626 (1985-12-01), McKay et al.
patent: 5131788 (1992-07-01), Hulicsko
patent: 5294210 (1994-03-01), Lemelson
patent: 5333969 (1994-08-01), Blaha
patent: 5439313 (1995-08-01), Blaha et al.
patent: 5752782 (1998-05-01), Hulicsko
patent: 5967695 (1999-10-01), Vural
patent: 6056474 (2000-05-01), Nolan
patent: 6439806 (2002-08-01), Dillingham
patent: 6821052 (2004-11-01), Zurn

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