Closure for a sealed container of a pourable food product, and method of producing thereof

1) A closure for a sealed container of a pourable food product, said closure comprising:

• a pouring spout having a neck portion to define a pour opening and a cover portion closing the pour opening on the side of said neck portion opposite to the side facing, in use, the container;
• and
• a cap fittable to, and removable from, the pouring spout;
• characterized in that it further comprises an opening member interposed between the cap and the cover portion of the pouring spout and joined to said cover portion;
• and
• driving means carried by the cap to engage and pull the opening member along an axis transversal thereto upon removal of said cap from the pouring spout so as to detach the cover portion from the neck portion and free the pour opening when the closure is first unsealed by the user.