초록 ▼

A sealed container stores therein liquid such as eye drops in a sealed state. For dispensing the liquid first time, the factory-sealed outlet of the liquid is to be unsealed with a needled of a liquid discharge plug fitted within a cap in association with a user's operation of the cap in a loosening

A sealed container stores therein liquid such as eye drops in a sealed state. For dispensing the liquid first time, the factory-sealed outlet of the liquid is to be unsealed with a needled of a liquid discharge plug fitted within a cap in association with a user's operation of the cap in a loosening or tightening direction when the liquid is first dispensed therefrom. The container includes a one-way rotation preventing mechanism provided respectively at mutually opposing portions of a liquid discharge plug prefitted with the cap and the container. This mechanism prevents rotation of the liquid discharge plug in the loosening direction of the cap while allowing rotation thereof in the screwing direction of the cap when the cap has been tightened to a predetermined screwing position immediately before the needle initiates it penetrating action into the sealed liquid outlet. Also, a cam mechanism is provided respectively at mutually opposed positions of the discharge plug and the cap for pushing the liquid discharge plug toward the liquid outlet of the container body to a predetermined screwing position in association with the loosening operation of the cap under the rotation-restricted state provided by the one-way rotation preventing mechanism.

대표청구항 ▼

[ What is claimed is:] [1.] A sealed container comprising:a container body storing liquid therein and having a sealed liquid outlet;a cap which can be detachably screwed on the container body;a liquid discharge plug fitted within the cap, the plug having a needle capable of penetrating the liquid ou

[ What is claimed is:] [1.] A sealed container comprising:a container body storing liquid therein and having a sealed liquid outlet;a cap which can be detachably screwed on the container body;a liquid discharge plug fitted within the cap, the plug having a needle capable of penetrating the liquid outlet of the container body and a discharge passage communicating between an inside and an outside of the container body through the needle, the sealed liquid outlet being unsealed for allowing access to the liquid stored inside the container body by penetration of the outlet by the needle in association with an operation of the cap relative to the container body;anti-withdrawal means provided respectively at mutually opposing portions of the liquid discharge plug and the container body, the anti-withdrawal means being capable of retaining the liquid discharge plug at a predetermined set position against withdrawal of the plug from the container body when the plug has been tightened to said predetermined set position relative to the container body;one-way rotation preventing means provided respectively at further mutually opposing portions of the liquid discharge plug and the container body, said one-way rotation preventing means preventing rotation of the liquid discharge plug in an unscrewing direction of the cap while allowing rotation thereof in a screwing direction of the cap when the cap has been tightened to a predetermined screwing position immediately before the needle penetrates into the sealed liquid outlet; andcam means provided respectively at mutually opposed positions of the discharge plug and the cap for pushing the liquid discharge plug toward the liquid outlet of the container body to the predetermined set position of the anti-withdrawal means in association with the unscrewing operation of the cap under the rotation-restricted state provided by the one-way rotation preventing means.