An adhesive tape having a backing of oriented thermoplastic film, to whose lower face the following layers are applied: a) a partial primer layer which is anchored to the thermoplastic film, b) a first release layer applied over the partial primer layer, and any thermoplastic film, the release layer anchoring better to the primer layer than to the thermoplastic film, c) at least one second release layer applied over the first release layer, the second release layer(s) anchoring better to the previous release layer than the first release layer to the thermoplastic film, d) a pressure-sensitive adhesive layer applied over the last release layer and anchoring better to the last release layer than the first release layer to the thermoplastic film and the adhesive layer is adhered to a pressure-sensitive base than the first release layer to the thermoplastic film.