Curbing machine and method

Details Curbing machine and method Curbing machine and method

2006-02-07

2008-10-28

Will, Thomas B (Department: 3671)

Road structure, process, or apparatus

Apparatus

With means for profile shaping, e.g., crown

C404S083000, C404S086000, C404S108000, C404S110000

Reexamination Certificate

active

07441987

ABSTRACT:
A method and apparatus for laying a curb is disclosed. The apparatus features a preferably tracked vehicle (tractor) that connects to a frame having a hopper. A hydraulic lifting arrangement enables hydraulic controls on the vehicle to elevate/lower the frame. The frame has a hopper for receiving wet concrete and a curb shaping portion that shapes the wet concrete into a curb shape. A specially configured interface maintains attitude of the frame during use.

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patent: 4391549 (1983-07-01), Murray
patent: 4789266 (1988-12-01), Clarke et al.
patent: 4808026 (1989-02-01), Clarke et al.
patent: 5051025 (1991-09-01), Taylor, Jr.
patent: 5173005 (1992-12-01), Henderson et al.
patent: 5662431 (1997-09-01), Colvard

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