Device for dispensing a dose of given volume of a liquid or pasty product

In a device for dispensing a dose of given volume of a product, comprising a receptacle (2, 102) capable of containing several doses of product, a bottle (3,103) capable of containing a single dose of product, a means for transferring the product from the receptacle (2, 102) into the bottle (3, 103), and a means for dispensing the dose of product from the bottle (3, 103), said bottle (3, 103) adapted to be fixed removably to the receptacle (2, 102) and to slide longitudinally with respect to said receptacle (2, 102), the improvement wherein:

• the receptacle (2, 102) is equipped with a first pump (4, 104) including a hollow control rod (5, 105) for transferring, by forcing, the product from the receptacle (2, 102) into bottle (3, 103);
• the bottle (3, 103) is equipped at one end with a second pump (15, 115) and with a dispensing head (14, 114) for dispensing the dose of product from the bottle (3, 103), said bottle having, at the other end, a bottom (17, 117) designed to interact with an end of the control rod (25, 125) of the first pump (4, 104) and including a valve sealing off a passage (26) for communication between the receptacle (2, 102) and the bottle (3, 103) formed in said bottom (17, 117), and opening only under the pressure of the product contained in the receptacle (2, 102) when the first pump (4, 104) is actuated.