Closure for a container and a container provided therewith

Closure for a container, comprising a tab attached by rivet means to a closure part to be displaced for forming an opening in the closure, which opening is at least partly defined by a score line formed in the closure, the tab comprises a tab body connected to the rivet means, a tab rear part for finger gripping, and a tab front part of which a tab nose is located near or at the score line, such that during a closure opening procedure comprising finger gripping the tab rear part, lifting the tab rear part thereby pressing the tab nose against the closure on or near the score line, popping the score line, and scoring the score line thereby forming an opening in the closure,

• characterized by score line parts separated by a score line part to be popped by the tab nose, which score line parts are stronger than the popping score line part, and by stiffening means stiffening closure parts neighboring the stronger score line parts, and
• wherein the stiffening means comprise at least one elongated stiffening element at each side of the rivet means and the stiffening means contact or extend beyond the score line.