| 摘要 |
A bottle with a threaded neck having a dispensing device (4,9) for releasing a product inside said bottle, said dispensing device (4, 9) comprising a) a cap (4) screwed onto the threaded neck of said bottle with a substantially tubular element (6), having a lower end (61) which projects inside the neck of the bottle, said lower end being closed by a bottom wall (7) and a collar (14) joined to the top of said tubular element through a tear-away ring 12; b) a hollow piston (9) inserted in said tubular element (6), the piston having an open lower end (91) and a head (92); the hollow piston being suitable for breaking through said bottom wall (7) after the collar (14) together with the tear-away ring (12) has been removed; the hollow piston defining, together with said bottom wall (7) of said tubular element (6), a chamber containing a product intended to be released in said bottle; whereby the lower end (91) of said hollow piston (9) has a substantially inclined profile with respect to the plane defined by said bottom wall (7) and means (69, 99) are provided which are suitable for stopping the stroke of said hollow piston (9) before a complete detachment of the bottom wall (7) and for preventing said hollow piston (9) from rotating at the end of the stroke. |
