| 摘要 |
A fluid dispenser pump comprising a pump body (1) in which a piston (2) connected to an actuating rod (10) is slidably mounted in leaktight manner, said actuating rod (10) being mounted to slide inside an element (4), such as a ferrule, which is secured to the pump body (1), said fluid dispenser pump being characterized in that said actuating rod (10) includes a flexible outer tubular portion (11) that is in leaktight contact with said element (4), and a rigid inner tubular portion (12) that is concentric with said flexible outer tubular portion (11), the zone of contact between the inside of the ferrule (4) and the actuating rod (10) being leaktight regardless of the position of said actuating rod (10).
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