Road structure – process – or apparatus – Apparatus – With means for profile shaping – e.g. – crown
Reexamination Certificate
2007-02-06
2007-02-06
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Apparatus
With means for profile shaping, e.g., crown
C404S105000
Reexamination Certificate
active
11378535
ABSTRACT:
The dropped curb finisher is for use with a slip form paving machines for forming continuous curbs and gutters. The dropped curb finisher has a vertical mounting plate, a finishing plate, an end plate and a vibrator for imparting vibration to the end plate and the finishing plate. The finishing plate extends rearwardly from the bottom edge of the mounting plate and the end plate inclines upwardly from the end of the finishing plate remote from the mounting plate. In another embodiment the present invention comprises a method of forming a dropped curb with a slip form paving machine for forming continuous curbs and gutters.
REFERENCES:
patent: 3363524 (1968-01-01), Catenacci
patent: 4391549 (1983-07-01), Murray
patent: 4397626 (1983-08-01), Morrison
patent: 4789266 (1988-12-01), Clarke et al.
patent: 5173005 (1992-12-01), Henderson et al.
patent: 5527129 (1996-06-01), McKinnon
patent: 5924818 (1999-07-01), Holmes
patent: 6709195 (2004-03-01), Piccoli et al.
Fasth Law Offices Rolf Fasth
Hartmann Gary S.
Nicholson Concrete
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