Method for dip-coating a metal strip

17:

• The equipment as recited in claim 16 wherein the snout is liftable and lowerable.

19:

• The equipment as recited in claim 18 wherein the overflow includes means for maintaining a level of liquid metal at a level below the surface of the liquid seal in order to set up a natural flow of the liquid metal in the tray, the natural flow of the liquid metal being greater than 50 mm in order to prevent metal oxide particles and intermetallic compound particles from rising as a countercurrent to the flow of liquid metal.

20:

• The equipment as recited in claim 18 wherein the internal wall upper edge includes, in a longitudinal direction, a succession of hollows and projections.

21:

• The equipment as recited in claim 18 wherein the overflow is removable when the snout is lifted.

22:

• The equipment as recited in claim 19 wherein the tray and the means for maintaining the level are fixed to the edges of the tank by supports.

23:

• The equipment as recited in claim 22 wherein the tray is connected to the means for maintaining the level and the support by connectors, the connectors of the overflow being curved towards a bottom of the coating bath so that a lowest part of the connectors is beneath the liquid seal allowing the lower part of the snout to be under the liquid seal and above the lowest part of the support.

24:

• The equipment as recited in claim 22 wherein the supports are movable along the edges of the bath allowing the overflow to shift along the edges of said bath.

25:

• The equipment as recited in claim 22 wherein the supports are shiftable along a perpendicular to the bath surface.

26:

• The equipment as recited in claim 16 wherein the overflow has two trays positioned symmetrically to an entry of the metal strip in the liquid metal.

27:

• The equipment as recited in claim 16 wherein the overflow is composed of one tray continuously surrounding the metal strip formed by an internal wall facing one side of the strip, directed toward the surface of the liquid seal, an internal wall upper edge being positioned below the surface of the bath, an external wall facing the snout directed toward the surface of the liquid seal, an external wall upper edge being positioned above the surface of the bath, a horizontal wall between the external and internal wall lower edges.

28:

• The equipment as recited in claim 16 wherein the snout includes the lower part is removable.