Lid assembly for a package, lid-spout group for a package and package having a lid-spout group

Lid assembly configured to be coupled to a spout of a package being filled with a pourable product;

• the lid assembly comprises at least:
• a coupling ring arrangeable around a portion of the spout;
• a lid configured to selectively close and open a pouring outlet of the spout;
• and
• a hinge element hinging the lid to the coupling ring and being in contact with a contact portion of the lid;
• wherein the lid comprises a cover wall configured to cover the pouring outlet and a side wall protruding from the cover wall;
• wherein the side wall comprises an end portion connected to the cover wall and a rim portion opposite to the end portion;
• wherein the rim portion comprises a rim surface facing the coupling ring;
• wherein the rim surface comprises a first portion, a second portion connected to the first portion and a third portion connected to the second portion and being closer to the contact portion than the first portion;
• wherein the second portion is transversal to the first portion and the third portion.