| 摘要 |
<p>The invention relates to a closure 2 which is threaded internally to be screwed onto the outer thread of a neck 1 of a bottle, comprising end-of-screwing stops interacting with corresponding stops provided on the neck so that, in a closed position, the closure is always placed according to the same angular orientation relative to the bottle, and comprising an elastically deformable seal 4 placed perpendicular to a wall 3 of the closure and facing the neck 1. According to the invention, the seal 4 consists of a single piece of elastically deformable material, in the form of a frustum of a cone 5' closed by its minor base 6', the peripheral part of which partially covers the upper edge of the neck 1, its major base being open and laterally bordered by a hollow bead 7' forming a projection and connecting the frustum of a cone 5' to a portion in the form of a plane washer 9, while the minor base 6' is integral with a cylindrical stiffener 10' facing the washer 9. <IMAGE></p> |
