TITLE STRUCTURE OF CAP HAVING INNER CAP
TECHNICAL FIELD
The present invention relates to a cap assembly with an inner cap,
and more particularly, to a cap assembly with a storage chamber for
secondary material that will be mixed with primary material contained in a
container associated with the cap by simply opening the cap.
BACKGROUND ART
In a variety of industrial field, it is sometimes necessary to mix two or
more different materials with each other to prepare a mixture, prior to using
the mixture. For example, when it comes to beverage industrial field, users wish to
add a variety of flavors or vitamin to the water. To this end, the user
purchases the flavor or vitamin and the separated bottle water and mixes the
flavor or the vitamin with the bottle water. However, it is very troublesome for
the user to do so.
SUMMARY OF THE INVENTION
Therefore, the present invention has been made in an effort to solve
the above-described problems of the conventional art.
It is an object of the present invention to provide a cap with a storage
chamber for a secondary material that will be mixed with a primary material
contained in a container associated with the cap by simply opening the cap. It is another object of the present invention to provide a product
employing such a cap with a storage chamber for a secondary material.
To achieve the above objects, the present invention provides a cap
assembly having a storage chamber for a secondary material, comprising: a main body for detachably fixing on a neck portion of a container, the
main body having a storage tube defining the storage chamber; an inner cap for tightly fixing between the storage tube and the neck
portion of the container; and a seal member for inserting into a lower portion of tr e storage tube and
separating from the storage tube to releasing the secondary material into the
container.
BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings, which are included to provide a further
understanding of the invention and are incorporated in and constitute a part of
this specification, illustrate embodiments of the invention and together with
the description serve to explain the principles of the invention.
In the drawings:
FIGS. 1 through 3 are views of a cap assembly with an inner cap
according to another embodiment of the present invention;
FIGS. 4 through 6 are sectional views of a cap assembly with an inner
cap according to another embodiment of the present inve ntion;
FIGS. 7 through 10 are sectional views of a cap assembly with an inner
cap according to another embodiment of the present invention;
FIG. 11 is sectional views of a cap assembly with an inner cap
according to another embodiment of the present invention; FIG. 12 is sectional views of a cap assembly with an inner cap
according to another embodiment of the present invention;
FIGS. 13 through 19 are sectional views of a cap assembly with an
inner cap according to another embodiment of the present invention; and
FIGS. 20 through 21 are sectional views of a cap assembly with an
inner cap according to another embodiment of the present invention.
BEST MODE FOR CARRYING OUT THE INVENTION
Preferred embodiments of the present invention will be described
more in detail hereinafter in conjunction with the accompanying drawings.
Wherever possible, the same reference numerals will be used throughout the
drawings to refer to the same or like parts.
FIG. 1 is a sectional view of a cap assembly with an inner cap
according to an embodiment of the present invention. A cap assembly 1
includes a main body 10 detachably coupled to a neck portion 101 of a
container 100 and an inner cap 20 tightly coupled to an inner portion of the
neck portion 101.
The main body 10 has an opened lower end, being provide with a
storage tube 11 extending downward. The storage tube 11 defines a storage
space 12 for storing a secondary material.
A screw portion that is screw-coupled to the neck portion 101 is formed
on the inner portion of the main body 10.
The inner cap 20 is provided with a supporting portion 21 extend ing
downward. A seal projection 22 is formed on an upper-outer portion of the
supporting portion 21. An upper seal portion 23 that is to be located on an
upper end of the neck portion 101 of the container 100 is formed on an upper
end of the supporting portion 21.
A seal member 30 is inserted in a lower portion of the storage tub e 11
and a hook portion 31 that is to be hooked on the supporting portion 21 is
formed on an outer portion of the seal member 30.
The storage tube 11 may be projected above the main body 10 as
shown in a broken line.
In the above-described embodiment, the secondary material is stored
in the storage space 12 defined by the storage tube 11. The secondary
material is stored in a seal state as the seal member 30 is coupled to the
lower portion of the supporting portion 21.
As the inner cap 20 is coupled between the main body 10 and the neck
portion 101 of the container 100, the leakage of the primary material
contained in the container 100 can be prevented.
As the seal projection 22 tightly contacts the neck portion 101 and the
seal portion 23 is located on the upper end of the neck portion 101 , the seal
can be perfectly realized.
At this point, when the main body 10 moves upward through a
screw-motion, the seal member 30 inserted in the lower portion of the storage
tube 11 is hooked on the lower end of the supporting portion 21 by the hook
portion 31 and removed from the storage tube 11. Accordingly, the seal
member 30 is dropt into the container 100 and the secondary material stored
in the storage space 12 defined by the storage tube 11 is released into the
container 100.
Therefore, the secondary material is mixed with the primary material.
FIG. 2 shows a modified example of this embodiment.
A screw portion 13 is formed on an upper outer portion of the storage
tube 11 and the supporting portion 21 is provided with an screw portion 13
corresponding to the screw portion 13 of the storage tube 11.
When the main body 10 moves upward, the main body 10 is separated
from the inner cap 20 by the screw portions 13 and 24 so as to prevent the
inner cap 20 from separated together with the main body 00.
FIG. 3 shows another modified example of this embodiment. The inner cap 20 is tightly inserted into the neck portion 101. To
realize this, the inner cap 20 is provided with a supporting portion 21 and a
seal projection 22.
A seal member 15 is formed on an outer-upper end of the storage tube
11 and the seal member 15 tightly contact an inner-upper surface of the neck
portion 101.
FIGS. 4 through 6 show another embodiment of the present invention.
A hook projection 40 is formed on an outer surface of the storage tube
11.
The supporting portion 21 of the inner cap 20 is provided with an
opening 50 for releasing the secondary material A stored in the storage space
12. The supporting portion 21 is provided with a hook step 51 on which the
hook projection 40 is hooked. An agitating rod 52 is projected downward in
the storage space 12 to effectively release the secondary material A.
A seal member 30 is integrally formed on a lower portion of the storage
tube 11 and an agitating pin is formed on the seal member 30.
FIG. 7 shows a cap assembly according to another embodiment of the
present invention.
In this embodiment, a seal member 30 coupled on a lower portion of
the storage tube 11 is hingedly coupled to a side of the supporting portion 21
of the inner cap 20.
That is, the seal member 30 is provided with a hinge portion 70 that is
hingedly-coupled to a lower portion of the opening 50 formed on the lower
portion of the supporting portion 21.
FIG. 8 shows a modified example of this embodiment.
An extending portion 80 is formed on an upper portion of the inner cap
20 to increase the volume of the storage space 12. FIG. 9 is a modified example of the inner cap 20 depicted in FIG. 7.
An opening 50 is formed on a lower portion of the supporting portion 21
formed in the inner cap 20. A seal member 30 is integrally formed with the
opening 50. The seal member 30 is to be inserted in a lower portion of the
storage tube 11. A agitating rod 32 is formed on an upper portion of the seal
member 30.
An extending portion 80 is formed on the inner cap 20 to increase the
storage space 12.
FIG. 10 shows a modified example of the inner cap 20 depicted in FIG.
9. A hooking projection 40 is formed on an outer surface of the storage
tube 11 and a hook step 51 on which the hooking projection 40 will be hooked
is formed on an upper-inner portion of the inner cap 20.
FIGS. 11 through 12 shows a cap assembly according to another
embodiment of the present invention.
In FIG. 11 , an operation portion 110 extends downward from an inner
portion of the storage space 12 formed in the main body 10. A seal portion
111 is formed on a lower portion of the supporting portion 21 formed on the
inner cap 20 to seal a lower portion of the storage tube 11.
An opening 112 is formed on a center of the seal portion 111 and the
lower portion of the seal portion 111 is tightly inserted in the opening 112.
A hooking projection 40 is formed on an outer surface of the storage
tube 11 and a hooking step 51 is formed on an upper-inner portion of the
supporting portion 21. The hooking projection 40 is designed to be hooked
on the hook step 51.
FIG. 12 shows a modified example of this embodiment, in which a seal
portion 11 is integrally formed with a lower portion of the inner cap 20. A
cutting line 120 is formed on an edge of the seal portion 111. A inclined
portion 121 is formed on a lower end of the storage tube 11 of the main body
10 formed inside the supporting portion 21.
The extreme end of the inclined portion 121 closely contacts the seal
portion 111 to break the cutting line 120 when the main body 10 moves
upward, thereby opening the seal portion 111 to release the secondary
material stored in the storage space 12 into the container 100.
FIGS. 13 through 19 show another embodiment of the present
invention.
Referring to FIG. 13, an operating member 120 is coupled between an
outer portion of the storage tube 11 formed in the main body 10 and a
supporting portion 21 of the inner cap 20.
A storage space 12 is defined by the storage tube 11. A screw portion
121 is formed on an outer surface of the storage tube 11 and a screw portion
121 is formed on an inner surface of the operating member 120.
It is preferable that the screw portions 121 and 122 are oppositely
operated.
A lower end of the operating member 120 is inclined having a point.
A seal portion 11 is formed on a lower end of the supporting portion 21
of the inner cap 20. A sub-seal portion 111 is attached on the lower portion of
the seal portion 111. As shown in FIGS. 15 and 16, a plurality of hook portions 124 are
formed on an inner surface of the supporting portion 21 of the inner cap 20.
A plurality of hook steps 124 hooked on the hook portions 124 are formed on
an outer surface of the operating member 120.
Since the hook step 125 is hooked on the hook portion 124 when the
main body 10 moves upward, the operating member 120 moves downward by
the operation of the screw portions 121 and 122.
A sub-material coupling portion 130 may be formed on the main body
10 to fix a variety of shaped materials such as characters.
Referring to FIG. 17, a sub-seal portion 126 may be formed in the main
body 10. FIGS. 18 and 19 are modified examples of this embodiment.
An operation member 120 is disposed inside the storage tube 11.
The operation member 120 and the storage tub e 11 are coupled to
each other by screw portions 121 and 122.
FIGS. 20 and 21 are sectional views of a cap assembly having an inner
cap according to another embodiment of the present invention.
An operation member 200 is inserted in the storage tube 11.
An inclined portion 201 is formed on an upper-inner portion of the
operating member 200 and an operation projection 202 is formed extending
from a lower portion of the operating member 200 downward. The operating
projection 202 is hooked on a vertical guide step 181 formed inside the
supporting portion 21 of the inner cap 20.
An operation projection 202 is further formed on an inner portion of the
storage tube 11.
A seal portion 111 is formed on a lower portion of the supporting portion
21 of the inner cap 20 and a sub-seal portion 123 are attached on an outer
portion of the seal portion 111.
When the main body 10 moves upward, the operation projection 203
depresses the inclined portion 201 to break the seal portion and the sub seal
portion 111 and 123, thereby releasing the secondary material A into the
container 100. At this point, the operation element 202 is hooked on the guide step
181 formed on an inner portion of the supporting portion 21 and the main body
10 moves downward without rotating.
INDUSTRIAL APPLICABILITY As described above, the present invention is directed to a cap that
can be associated with a container to apply a second material contained
therein to the primary material contained in the container pouch container
through a simple operation. Therefore, the present invention can be applied
to a variety of industrial field such as a beverage industrial field and other
chemical field where it is required to provide an instant mixture.