Patent ID: 6450367
Filing Date: 2002-09-17
Classification: B65D

Abstract:
A dispenser-stopper for a container (6) having a neck (4) with an exterior thread, the dispenser-stopper having a reinforced seal stopper and comprising:a plug (2) having a centrally located blocking extremity (17), the plug (2) being sized to be captively received by the neck (4) of the container; and a cap (3) having a conical rim formed in an upper surface thereof defining a dispensing orifice (19), and an inwardly facing lateral surface of the cap (3) carrying a thread for matingly engaging with the exterior thread of the neck to facilitate rotation of the cap relative to the neck (4); the dispensing orifice (19) of the cap (3) being totally blocked by the blocking extremity (17) when the cap (3) is rotated relative to the neck (4) to a close position, and the blocking extremity (17) being sufficiently spaced from the dispensing orifice (19), when the cap (3) is rotated relative to the neck (4) to an open position, to at least partially open the dispensing orifice (19) and allow flow therethrough; wherein the plug (2) is captively received by and attached to the neck (4) of the container by forcing the plug (2) into an opening defined by the neck, the plug (2) is a hollow body which has an interior cavity (12) defined by an annular collar (10), the plug (2) has a central chimney (14) with passageway formed therein to allow flow therethrough, and a free end of the chimney (14) supports the blocking extremity (17); and the cap comprises a hollow cylindrical body, a cylindrical central shaft (23) is concentric with the dispensing orifice (19) and surrounds the central chimney (14), an interior skirt (20) surrounds and is concentric with the central shaft (23), and a free perimeter edge (30) of the interior skirt (20) forms a seal with an adjacent surface of the annular collar (10) when the cap (3) is rotated, relative to the neck (4), to the close position.