| 摘要 |
A manually actuated fluid dispenser pump comprising a pump body (10), a piston (20) mounted to slide in leaktight manner in said pump body (10) between a rest position and an actuating position, an actuating rod (30) connected, preferably integrally, to said piston (20), and a ferrule (40) fixed to the top edge (11) of the pump body (10), to define the rest position for said piston (20), said actuating rod (30) being mounted to slide in said ferrule (40), said pump being characterized in that the ferrule (40) is provided with at least one internal sealing lip (45) co-operating in leaktight manner with said actuating rod (30).
|
