Patent ID: 9713265
Date: 2017-07-18
CPC Classifications: B05C,C25D,H05K

Claim:
1. A method for treating a planar material to be treated, which is transported through an assembly for an electrolytic or wet-chemical treatment of the material to be treated, the material to be treated being formed with edge regions and a useful region between the edge regions, the useful region configured to receive treatment via a treatment liquid; the material to be treated being subjected in a treatment station of the assembly to the treatment liquid covering the material to be treated such that the material to be treated is submerged in the treatment liquid, the treatment liquid being accumulated up to an operating level in a treatment region of the treatment station, the material to be treated being transported through the treatment station along a transport direction; in the treatment station, a roll with a roll surface being arranged such that the roll surface is spaced apart at least from the useful region of the material to be treated so that a gap remains between the roll surface and the useful region of the material to be treated; the roll being arranged such that a lower part of the roll surface is submerged in the treatment liquid which is accumulated up to the operating level and an upper part of the roll surface projects from the treatment liquid which is accumulated up to the operating level so that the treatment liquid covers the roll surface up to a height which is equal to the operating level; and the roll being driven rotatably so that at the gap a relative speed is produced between the lower part of the roll surface submerged in the treatment liquid and a surface of the material to be treated.