Sealed single-dose break-open package and relative production method

A sealed single-dose break-open package;

• the sealed package comprises:
• a first sheet of semi-rigid plastic material;
• a second sheet of flexible plastic material superposed on and sealed to the first sheet to form a sealed pocket that contains a dose of a product;
• and
• a weakened zone that is made in a central zone of the first sheet for guiding, after bending of the sealed package, controlled breaking of the first sheet at the weakened zone in such a way as to cause the formation of an outlet opening for the product through the first sheet;
• wherein the weakened zone comprises at least one incision that is made in a surface of the first sheet;
• and
• wherein the first sheet is a laminate and comprises a first supporting layer externally placed on the side opposite to the pocket;
• the sealed single-dose break-open package is characterised in that the first sheet comprises:
• a second supporting layer internally placed on the side of the pocket;
• and a barrier layer positioned between the supporting layers.