Patent ID: 8293077

Claim:
A treatment tank for implementing a surface treatment process of parts, in which the parts are immersed in at least one treatment liquid contained in a treatment tank, wherein said parts are fixed on a rotating structure, comprising: the rotating structure being rotatably mounted inside said treatment tank and configured such that said parts are completely immersed in said treatment liquid by means of a rotational movement of said rotating structure, said rotational movement being chosen so that air bubbles liable to be created by the immersion of said parts are expelled from the surfaces of said parts, wherein said treatment tank includes a drum, mounted so as to rotate inside said treatment tank, said drum comprising, on its external periphery, at least one housing track configured to house and fasten a support for one or more parts, wherein the support is fastened by fastening means, wherein said fastening means are integral with said housing track, and are configured to fasten each support for the hollow parts by sliding, with interlocking of the support into the track, said housing track being parallel to the axis of said drum, and wherein said treatment tank comprises at the treatment tank's uppermost portion an opening, defining an immersion zone and an exit zone.