Cosmetic stick with rotary thrust action

摘要

Cosmetic stick such as a lipstick in which the stick of cosmetic material (3) on one side and the end (4) of the screw spindle (2) on the other side are so sealingly introduced relative to the inner wall of the sleeve (1) that after a thrust movement of the spindle and the emergence of the cosmetic material, a return movement of the spindle causes a negative pressure between the inner cosmetic material end (5) and the end of the spindle which draws in the cosmetic material. A sealing ring (9) is placed in an annular groove (8) in the end of the spindle.