| 摘要 |
The present invention relates to a dispensing device for dispensing a powdered product comprising: a housing (1), having a first end and a second end defining a first outlet (31); a plunger (3) slidably received in the first end of the housing; the housing and plunger together defining an interior of the dispensing device which is open to atmosphere; a chamber (24) located within said plunger for housing a powdered product; a sheathing means (19) slidably mounted on an end of the plunger proximate the second end of the housing, and having an inlet (20) and a second outlet (21) closed by a frangible membrane (18); and the plunger comprising a perforating element (14) for puncturing the frangible membrane when the plunger is moved towards the second end of the housing. <IMAGE> |
