Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Reexamination Certificate
2006-10-03
2006-10-03
Carrillo, Sharidan (Department: 1746)
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
C134S042000, C015S235400, C015S235600, C015S245100, C451S357000, C451S359000, C425S087000, C029S090010, C029S090300
Reexamination Certificate
active
07115172
ABSTRACT:
An Advanced Burnishing Tool for burnishing Venetian plaster surfaces comprises a base with a working surface with a plurality of concentric ribs. The tool may be used manually or may be mounted on a power tool such as an oscillating sander. Each rib has a rounded upper portion for contacting the surface, so that each rib acts in a manner similar to the rounded edge of conventional burnishing tools. The plurality of ribs provide a simultaneous working of multiple points in the plaster surface. Efficiency is further improved when a power tool is used to reduce the manual effort required for burnishing.
REFERENCES:
patent: 2490304 (1949-12-01), Huffman
patent: 4757572 (1988-07-01), Yon
patent: 6526639 (2003-03-01), Duan et al.
patent: 6735840 (2004-05-01), Gibbs
Carrillo Sharidan
Yeager Rick B.
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