Beverage container

Details Beverage container Beverage container

2000-09-08

2001-08-28

Shaver, Kevin (Department: 3754)

Dispensing

With discharge assistant

Fluid pressure

Reexamination Certificate

active

06279787

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates, in general, to beverage containers and, more particularly, to a beverage container that prevents carbon dioxide from coming out of the carbonated beverage in the beverage container into the vacant space of the beverage container.
2. Description of the Prior Art
As depicted in
FIG. 23
, a conventional beverage container for accommodating carbonated beverage comprises a container body
1
filled with the carbonated beverage and covered with a lid
2
at its top.
After a user pours the carbonated beverage from the container body
1
following the removal of the lid
2
from the container body
1
, the user stops up the container body
1
with lid
2
so as to prevent the carbon dioxide dissolved in the carbonated beverage from coming out of the container body
1
into the atmosphere, in the case that some quantity of the carbonated beverage remains in the container body
1
.
However, in the conventional beverage container, since the carbon dioxide comes out of the carbonated beverage in the container body
1
into the vacant space of the container body
1
, the carbon dioxide having come into the vacant space is discharged out of the container body
1
into the atmosphere when the user pours the carbonated beverage out of the container body
1
again, thereby causing the deterioration of the flavor of the carbonated beverage.
SUMMARY OF THE INVENTION
Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a beverage container, which is capable of preventing carbon dioxide dissolved in the carbonated beverage of the beverage container from coming out of the beverage into the vacant space of the beverage container by pressurizing the interior of the beverage container, thereby allowing sufficient carbon dioxide to be retained in the beverage and accordingly maintaining the flavor of the carbonated beverage for a long time.
In order to accomplish the above object, the present invention provides a beverage container, comprising: a container body for containing carbonated beverage; and a pumping lid assembly for selectively opening and closing the container body, which is inserted into the opening of the container body, the pumping lid assembly including an extension cylinder engaged at its lower portion with the upper end portion of the container body and provided at its sidewall with a first beverage outlet for discharging carbonated beverage contained in the container body, a pump housing rotatably mounted in the interior of the upper portion of the extension cylinder and provided at its sidewall with a second beverage outlet, a plunger assembly fitted into the central portion of the pump housing, the plunger assembly being designed to pressurize air in the interior of the container body while being moved downward, to suck exterior air from the outside while being moved upward, and to rotate together with the pump housing and align the first and second beverage outlets so as to enable the discharge of carbonated beverage from the container body when being rotated, and a beverage guide member fixed to the interior of the extension cylinder, extended to the interior of the container body and provided at its sidewall with an air outlet.


REFERENCES:
patent: 700462 (1902-05-01), Van Meter
patent: 1993255 (1935-03-01), Baggett et al.
patent: 2653848 (1953-09-01), Lee
patent: 2977015 (1961-03-01), Bartlett
patent: 5010928 (1991-04-01), Ballas

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