| 摘要 |
Metering device adaptable to various containers, such as rigid or flexible flasks, tubes or pots. …<??>It comprises an internal part (1) made from an elastic and flexible material, placed in a casing (2) made from a rigid material, the assembly being fitted on a container (3) whose assembly part is of a shape suitable for receiving it, the elasticity of the part (1) and its shape related to the shape of the casing (2) allowing, under the effect of a pressure exerted on the casing (2), the production of a metered quantity, its discharge and its reproduction, without putting the contents (31) of the container (3) into contact with the air drawn from the outside. …<IMAGE>… |
