Patent ID: 8371223

Claim:
A method of using a viscous printing ink for protection of a notch formed in a skin intended for a part, the part produced by a process which comprises: producing a skin with a notch on an inner face of the skin, the notch having a width of at least several tenths of a millimeter, covering the notch by a protective element, and forming a foam on contact with the inner face of the skin, wherein the step of covering the notch by a protective element comprises: selecting an ink for printing such that an adhesion of the ink to the skin is less than an adhesion of the ink to the foam after formation of the foam, the ink having a viscosity of at least 0.6 St, applying the ink to the notch by a printing operation, then, achieving at least partial hardening of the ink, such that the ink forms a layer which constitutes a bridge over the notch without filling the notch at least down to a base of the notch, wherein the printing operation is screen printing.