| 摘要 |
In a fluid handling assembly, such as an animal milking apparatus, it is necessary for an elastic tube ( 1 ) to be fitted to, and removed from, a spigot ( 3 ). The prevent the tube ( 1 ) necking down when an attempt is made to remove it, a sleeve ( 9 ) is provided between the spigot ( 3 ) and the tube ( 1 ). The internal diameter of the sleeve ( 9 ) is the same as the outer diameter of the spigot ( 3 ) so that the sleeve ( 9 ) is slidable on the spigot ( 3 ) to enable the sleeve and hence the tube ( 1 ) to be removed from the spigot. The sleeve ( 9 ) may have a flange ( 10 ) or even a collar ( 19 ) to enable it to be gripped easily.
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