Adapter device for optical memory discs having a reduced size, and a promotional article comprising said adapter device

摘要

The adapter device comprises a ring of flexible material, in particular card, having an outer perimeter which at least partly corresponds to the inner perimeter which at least partly corresponds to the outer circumference of a compact disc of a size smaller than the standard size. The adapter ring is folded along predetermined fold lines in such a way that when in the folded condition it cam have dimensions which are close to or smaller than the external diameter of the compact disc.