1. Disposable applicator for dispensing a filler substance with a receiving space for a substance that is equipped with an outlet, characterized in that the receiving space (9) has an outwardly curved wall (2) and an opposing wall (4), which is provided with a female girdle (5) which protrudes into the cavity of the convex wall (2) at its edge, and that the convex wall (2) has such a shape that it is fully pressed to the girdle (5) and the area of the opposite wall (4) located between it. 2. A disposable applicator according to claim 1, characterized in that the convex wall (2) has the shape of a spherical segment. The disposable applicator according to claim 1, characterized in that the convex wall (2) has an oval horizontal projection. A disposable applicator according to claim 1, characterized in that the opposing wall (4) is flat. The disposable applicator according to claim 1, characterized in that the opposing wall (4) is also convex. A disposable applicator according to claim 1, characterized in that the girdle (5) in cross section has a substantially conical shape. The disposable applicator according to claim 1, characterized in that the outwardly curved wall (2) and the opposing wall (4) respectively have a flat covering flange (3, 6) and that these flanges (3, 6) are attached to each other. The disposable applicator according to claim 7, characterized in that the flanges (3, 6) are welded together. The disposable applicator according to claim 1, characterized in that the outlet is formed by a tube (8), which is molded to a convex wall (2) and is open towards the receiving space (9) .10. The disposable applicator according to claim 9, characterized in that the free end of the tube (8) is closed by a tear pin (10), which1. Одноразовый аппликатор для выдачи вещества-наполнителя с приемным пространством для вещества, которое снабжено выпускным отверстием, отличающийся тем, что приемное пространство (9) имеет выгнутую наружу стенку (2) и противолежащую стенку (
