| 摘要 |
1. A pourer for a container, comprising a hollow cylindrical sleeve (1), which is open at both ends and is adapted to be disposed inside the neck (21 ) of a container (2) so as to be movable by sliding between two end positions, retaining means being provided on the outer wall of the sleeve near its ends in order to define said two end sliding positions, one of said retaining means being in the form of longitudinal tongues (6), the outer surface of which has an excess thickness of sawtooth shape (61 ) adapted to engage the interior of the neck, preventing complete withdrawal of the pourer when it is brought into the position of use, the pourer being characterised in that the tongues are half cut-out from the wall of one of the ends of the sleeve, this end of the sleeve having a conical constriction (5) provided with recesses (7), one of said recesses being disposed opposite each free end of the half cut-out tongues (6). |
