Bottles and jars – Closures – Combined or convertible
Reexamination Certificate
2002-01-28
2003-09-16
Young, Lee (Department: 3727)
Bottles and jars
Closures
Combined or convertible
C215S262000, C220S203110, C220S212000, C220S231000, C220S367100
Reexamination Certificate
active
06619493
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a sealable container, particularly to one having a cover closed on a container body and provided with a push button and a suction hole, thereby connecting a suction pipe to the suction hole to expel air out of the container body to produce a vacuumed state so that the food stored in the container body can be proofed against moisture and mildew.
2. Description of the Prior Art
Generally speaking, a known conventional sealable container
1
has a container body
10
and a cover
11
closed on the container body
10
and fitted with an annual gasket
12
, as shown in FIG.
1
. In using the known sealable container
1
to preserve food, the cover
11
with sealing capability is closed on the container body
10
to keep the food preserved in a sealing condition. In practice, the air outside the container body
10
can be stopped contacting the food enclosed therein. However, there still is air left in the container body
10
when the cover
11
is closed on the container body
10
. Therefore, after a long period of preservation, the food enclosed therein is still likely to deteriorate under the prolonged contact with the air left in the container body
10
.
SUMMARY OF THE INVENTION
It is a primary object of the present invention to offer a sealable container capable of ensuring a vacuumed state so as to be effectively proofed against moisture and mildew.
It is another object of the present invention to offer a sealable container capable of being quickly released from a vacuumed state only by pressing down a push button, easy in operation and prompt in removing a cover.
The main feature of the invention is to provide a sealable container in which a cover has a recess disposed in an inner side thereof and provided with a suction hole, a through hole inserted by a push button, and at least one stop block located in a proper place of a peripheral edge thereof; and,
a release assembly capable of being welded together with the recess of the cover by a high frequency welding machine includes:
a housing having at least one notch located in a proper place of an upper edge thereof for corresponding to the at least one stop block of the cover, a plurality of air holes arranged in a bottom therein and at least one engagement groove equally spaced in an inner surface of the bottom;
a membrane piece disposed in the inner surface of the bottom of the housing and having a pull rod upwards protruded on an upper surface thereof;
a covering piece placed above the membrane piece and engaged with the housing and having at least one engagement block downwards protruded from a peripheral edge of a lower surface thereof for corresponding to the at least one engagement groove of the housing and at least one elongated hole disposed therein for being extended through by the pull rod of the membrane piece; and,
a follower pivoted above the covering piece and having an engagement groove disposed at one side thereof for being engaged by the pull rod of the membrane piece and a push portion upwards protruded on an upper surface of the other side thereof opposite to the engagement groove for corresponding to the push button of the cover.
REFERENCES:
patent: 5390809 (1995-02-01), Lin
patent: 5546997 (1996-08-01), Miramon
patent: 5651470 (1997-07-01), Wu
patent: 5692632 (1997-12-01), Hsieh et al.
patent: 5735317 (1998-04-01), Wu
patent: 5944212 (1999-08-01), Chang
patent: 5992666 (1999-11-01), Wu
Eloshway Niki M.
Young Lee
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