US 6,641,006 B2 · Container stopper

Abstract

The present invention provides a container stopper in which a structure is simplified to reduce a cost, a troublesome operation is unnecessary, and liquid can be poured in and out by an easy operation which does not require time and effort. The present invention is a container stopper comprises a pour-out passage through which liquid in a container is poured outside in a stopper main body, an operating valve for opening and closing the pour-out passage, a stopper cover with which an upper portion of the stopper main body is covered, and a valve body operating portion for sliding the operating valve up and down as a lever outside the stopper cover is operated, wherein a pour-in passage through which the liquid is poured into the container from outside and which does not cross the pour-out passage is provided in the stopper main body and a pour-in valve for normally closing the pour-in passage and for opening the pour-in passage only in pouring-in of the liquid is provided.

Claims13

Dependent claims

A dispenser unit for storing and dispensing liquid, comprising:

a container, having an aperture, for storing the liquid;
a stopper member mounted on the container to control the container aperture and having a first passageway with a first movable valve unit for controlling access to the container for dispensing the liquid through the front passageway and a second passageway with a second movable valve unit for controlling access to the container for introducing liquid into the container through the second passageway, wherein the second passageway includes a tube with a funnel opening in a central portion of the stopper member and a second movable valve member is positioned at the bottom of the stopper member, the tube has a lower flange that forms a valve member of the first movable valve unit, an annular spring extends around the tube and an actuator lever operatively connected to the tube, and biased away from the container by the annular spring, the actuator lever permits the user to move the tube to open the first movable valve unit when the actuator lever is depressed to force the tube downward towards the container.

Dependencies are inferred from the claim text.

Container stopper

Life of this patent

Container stopper

Life of this patent

Abstract

Claims13