| 摘要 |
This invention concerns a releasing device for a product in a receptacle with flexible walls. According to the device, a receptacle (R) with flexible walls (2) contains a ring (5) which has elastic characteristics under the action of external pressure (F) brought to bear on the flexible wall so as to open a valve (3), the shaft (7) of which is coupled to the ring (5). The device allows a product in either powder, liquid, generally doughy, or viscous form to be released.
|
