| 摘要 |
<p>A chemical dispenser for dispensing a desired chemical into a stream of fluid comprises: an open-ended tube defining a flow passage, the tube having a portion of reduced cross-section along its length, a receiving formation co-operable with a chemical receptacle for storing the desired chemical therein, and an inlet and an outlet passage providing flow communication between the tube and the chemical receptacle when operatively secured to the receiving formation, the outlet passage being in flow communication with the tube at the area of reduced cross-section thereof.</p> |
