| 摘要 |
A teat includes a hollow body made of a resilient material. The body has an inlet end and an outlet end. The outlet end includes at least one slit through the wall of the body. The slit(s) do not extend into that area of the wall of the body which forms the extremity of the outlet end. Engaged with the inlet end is a valve when, in use of the teat, the teat is full of liquid the valve prevents liquid from flowing back through the inlet end upon a squeezing action being applied to the teat.
|
