Pasty product e.g. sunscreen cream, dosage device, has cylindrical body of section greater than receptacle opening, and head with section increasing from body with maximum section being equal to opening diameter

摘要

The device has an elastic membrane (27) fixed on a cylindrical part, and a cylindrical body (29) of section greater than a receptacle opening. A head has a section increasing from the body with a maximum section being equal to the opening. The body and the head successively move between two positions to block the opening and form an annular space between the openings edge and head section smaller than the opening diameter while moving.