Opening device for a package adapted to contain a pourable product and package comprising an opening device

A package adapted to contain a pourable product and obtained from a sheet of packaging material;

• said packaging material comprising at least a first layer and a second layer and having a through hole formed through said first layer;
• said package comprising said packaging material and an opening device disposed at said through hole, said opening device comprising:
• a sheet cover portion of the second layer configured to be arranged at the through hole so as to close the through hole and define a pre-laminated hole;
• a wall portion having a top surface applied onto a bottom side of said sheet cover portion;
• said wall portion defining, together with said sheet cover portion, a user-tearable portion of said package;
• said wall portion comprising a linear weakening slot formed into part of the thickness of said wall portion and open at a bottom surface of said wall portion opposite to said first top surface;
• said linear weakening slot delimiting, together with said bottom side of said sheet cover portion, a linear weakening region of said user-tearable portion;
• said opening device further comprising at least one pull-member, projecting integrally from said top surface of said wall portion through said sheet cover portion, protruding from a top side of said sheet cover portion, opposite to said bottom side, and adapted to be pulled in use so as to cause tearing of said user-tearable portion along said linear weakening region;
• at least one linear rib element, projecting integrally from said top surface of said wall portion through said sheet cover portion, said linear rib element creating a linear pierced area in said sheet cover portion, extending parallel to at least part of said linear weakening slot, and being configured to promote, in use, tearing of said user-tearable portion along at least a linear weakening portion of said linear weakening region.