Invention Grant
US06938802B2 Dispensing pump for a fluid product 失效
点胶泵用于流体产品

Dispensing pump for a fluid product
Abstract:
A dispensing pump for a fluid product, including a pump body (10) in which at least one piston (20, 30) slides, wherein a pump chamber (40) is defined between an input valve (50) and an output valve (60), and the pump body (10) extends towards the inside of a tank (2) through a plunger tube (70), the input valve (50) being sealably connected to the plunger tube (70), the pump having a return spring (5) which brings the pump back towards its rest position, and characterized in that the spring is positioned out of any contact with the fluid product.
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