Patent ID: 6582520
Filing Date: 2003-06-24
Classification: C23C

Abstract:
A coating pot for coating metal strip with a zinc-containing metal comprising a coating portion, a collecting portion which is free of mixers, stirrers and other devices that would create turbulence in the contents of the collecting portion, and a transition area located between the coating portion and the collecting portion, wherein the transition area is sloped, wherein the depth of the collecting portion is greater than the depth of the coating portion, and wherein the collecting portion is sized and located so thata. the collecting portion is located to only one side of the coating portion; b. bottom dross accumulates in the collecting portion; c. the molten zinc-containing metal circulates in the collecting portion at a velocity less than the terminal velocity of the bottom dross; and, d. the bottom dross can be removed from the collecting portion without interrupting a coating process.