| 摘要 |
Container (1) of plastic material for the controlled delivery of powders and of liquids as drops, provided with piercing closure capsule (6) actuatable at use time, comprising a body, possibly provided with tabs (7) for in-series interconnection with other containers, having a neck with thread intended for engaging a capsule, provided with axial, cylindrical tubular extension with transversal membrane diaphragm (9) upstream a divergent cone-frustum (4") shaped outlet mouth: a circumferential groove (5) is provided on the outer surface of said extension in the nearby of said diaphragm. |
