Roll-on applicator ball

Abstract

The invention relates to a roll-on applicator ball (10) suitable for direct installation within an applicator once the ball (10) has been assembled without requiring any post-processing. The ball (10) comprises an upper half shell (12) and a lower half shell (16) that are snap-fit together. The upper half shell (12), has a tongue formation (14) in its mating surface (12.1), which includes a complemental snap-fit formation (14.1) by means of which the upper half shell (12) is snap-fitted to the lower half shell (16) during assembly. The lower half shell (16) has a groove formation (18) in its mating surface (16.1), which is complementary to the tongue formation (14) in that it includes a complemental snap-fit formation (18.1). The tongue (14) and groove formations (18) are configured to maintain ball sphericity and watertight engagement between the half shells (12), (16), once the ball (10) is assembled.

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