| 摘要 |
The invention relates to a closure device for a refillable diffuser housing comprising a valve (2) mounted in a cup (3) and a connecting dome (4a, 4b) between the cup (3) and an upper lip (51) of a container (5) of the housing, wherein the connecting dome (4a, 4b) comprises one or more supporting edges (6, 7, 8) for a peripheral bead (9) of the cup (3) and a supporting flange (10) on said upper lip (51), the device also comprising a cap (1), provided with an access opening (11) to the valve (2) and suitable for covering the connecting dome (4a, 4b) and for being fixed in a sealed manner to the container (5) and comprising first sealing means (15) suitable for bearing against the top of the bead (9) of the cup (3). |
