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United States Patent | 7,699,686 |
Hahn , et al. | April 20, 2010 |
The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted condition.
Current U.S. Class: | 451/28 ; 451/285; 451/41 |
Current International Class: | B24B 1/00 (20060101) |
Field of Search: | 451/28,41,285-290 428/626,659,681,687 |
4243730 | January 1981 | Nakayama et al. |
4374902 | February 1983 | Smith et al. |
5263773 | November 1993 | Gable et al. |
5552235 | September 1996 | Bastawros et al. |
6235409 | May 2001 | Serafin et al. |
6261702 | July 2001 | McGuire |
6440582 | August 2002 | McDevitt et al. |
6548192 | April 2003 | Chen |
7125613 | October 2006 | Tullis et al. |
7244511 | July 2007 | Choi et al. |
0 483 810 | Jun., 1992 | EP | |||
06-170336 | Jun., 1994 | JP | |||
WO 01/27343 | Apr., 2001 | WO | |||