초록 ▼

The invention relates to a metering device for insertion into the mouth of a liquid container comprising an elongated cylinder having a cylindrical outlet opening extending beyond the mouth of said liquid container and one or more openings at the other end communicating with the interior of said liq

The invention relates to a metering device for insertion into the mouth of a liquid container comprising an elongated cylinder having a cylindrical outlet opening extending beyond the mouth of said liquid container and one or more openings at the other end communicating with the interior of said liquid container, a metering chamber in said elongated cylinder, toward said outlet opening, a ball valve chamber in said elongated cylinder and a ball valve between the interior of the container and the metering chamber. The ball valve consisting of a valve ball and its seat is situated at the inlet opening of the metering chamber on the container side. In order always to obtain the same metered quantity irrespective of the tilting speed and the hydrostatic pressure which is determined by the filling level of the container, the valve ball is connected by a piston rod to a piston mounted for displacement in the cylindrical outlet opening of the metering chamber.

대표청구항 ▼

A combination of a metering device with a suitable liquid container having a neck portion, the metering device measuring the quantity of liquid poured from said liquid container, said metering device sealingly inserted in the mouth of said neck portion and comprising an elongated substantially cylin

A combination of a metering device with a suitable liquid container having a neck portion, the metering device measuring the quantity of liquid poured from said liquid container, said metering device sealingly inserted in the mouth of said neck portion and comprising an elongated substantially cylindrical device having a cylindrical outlet of a flexible plastic material extending beyond the mouth of said neck portion and at least one opening at the other end communicating with the interior of the liquid container, a metering chamber in said elongated device towards said outlet having a vent therein, a ball valve chamber in said elongated device toward said at least one opening at the other end having a valve ball resting in said ball valve chamber in the upright position of the container, said ball valve chamber having a valve ball retaining shoulder adjacent said at least one opening at the other end, and a valve ball guide tube terminating in a sealing seat for guiding the valve ball into a sealing position with said seat when the container is upside down, said valve ball guide tube being in liquid communication with said metering chamber through said sealing seat, an outlet opening of said metering chamber opposite said valve ball guide tube sealing seat in the form of a cylinder adapted for piston closure, a piston of flexible material having a fixed length coupling with said ball valve by means of a flexible piston rod having a length sufficient that said piston closes said cylindrical outlet of said metering chamber in the upright position of the container and with the valve ball resting in said valve ball chamber opposite the valve ball in its sealing position and wherein said piston is situated at a distance from and in front of said cylindrical outlet in the upside down position of the container with said valve ball lowered into its sealing position whereby when the container is tilted, said valve ball is retained on said valve ball retaining shoulder, said piston is pushed into and seals said cylindrical outlet and said metering chamber is in liquid communication with the interior of the liquid container and whereby when the container is upside down, the ball valve seats and simultaneously the piston is pushed beyond the said outlet opening allowing discharge of liquid from said metering chamber.