Closure cap for closing the pouring opening of a container, having - a cylindrical threaded part having an open rim and an inner thread which can coordinate with an outer thread of a container neck of the container, - a security ring designed to be held on a projection formed on the container neck, - a plurality of security webs which releasably connect the security ring to the open rim, and - a first retaining strip having a first and a second end (39, 41) and a first and a second rim (43, 45), wherein the first end is securely connected to the open rim of the threaded part, the second end is securely connected to the security ring, the first rim is releasably connected to the open rim of the threaded part by at least one, first, predetermined breaking web, and the second rim is releasably connected to the security ring by at least one, second, predetermined breaking web, further characterized by a second retaining strip having a third and a fourth end (51, 53) and a third and fourth rim (55, 57), wherein the third end is securely connected to the open rim of the threaded part, the fourth end is securely connected to the security ring, the third rim is releasably connected to the open rim of the threaded part by at least one, third, predetermined breaking web, and the fourth rim is releasably connected to the security ring by at least one, fourth, predetermined breaking web, characterized that the first and the third ends (39, 51) enclose a first opening angle of at least 110 degrees and at most 140 degrees, and preferably of at least 117 and at most 135 degrees, with respect to the center point of the closure cap as apex, and the second and the fourth ends (41, 53) enclose a second opening angle of at least 110 degrees and at most 135 degrees, and preferably of at least 117 and at most 135 degrees, with respect to the center point of the closure cap as apex. - a cylindrical threaded part having an open rim and an inner thread which can coordinate with an outer thread of a container neck of the container, - a security ring designed to be held on a projection formed on the container neck, - a plurality of security webs which releasably connect the security ring to the open rim, and - a first retaining strip having a first and a second end (39, 41) and a first and a second rim (43, 45), wherein the first end is securely connected to the open rim of the threaded part, the second end is securely connected to the security ring, the first rim is releasably connected to the open rim of the threaded part by at least one, first, predetermined breaking web, and the second rim is releasably connected to the security ring by at least one, second, predetermined breaking web, further characterized by a second retaining strip having a third and a fourth end (51, 53) and a third and fourth rim (55, 57), wherein the third end is securely connected to the open rim of the threaded part, the fourth end is securely connected to the security ring, the third rim is releasably connected to the open rim of the threaded part by at least one, third, predetermined breaking web, and the fourth rim is releasably connected to the security ring by at least one, fourth, predetermined breaking web, characterized that the first and the third ends (39, 51) enclose a first opening angle of at least 110 degrees and at most 140 degrees, and preferably of at least 117 and at most 135 degrees, with respect to the center point of the closure cap as apex, and the second and the fourth ends (41, 53) enclose a second opening angle of at least 110 degrees and at most 135 degrees, and preferably of at least 117 and at most 135 degrees, with respect to the center point of the closure cap as apex.