DEVICE FOR PREVENTING CONTENTS FROM BEING INPUT AGAIN IN BOTTLE TECHNICAL FIELD The present invention relates to a device for preventing contents from being input again in a bottle, and more particularly, to a device for preventing contents from being input again in a bottle in which an opened state is externally displayed once a cap of the bottle is opened, and contents cannot be exchanged with another one once the contents are taken out.

BACKGROUND ART Generally, there are different kinds of bottle products filled with contents such as liquid. The most general bottle is sealed with a cap after being filled with contents. The bottle is made of glass, plastic, or metal. Such a bottle is used for liquor, cosmetics, food, and so on. Can of metal or nonmetal is also used. The bottle of glass includes a cap. The can includes a main body and a clip or cover.

The bottle of glass is characterized in that its contents are not likely to be changed in quality in comparison with other bottles of other material. In this respect, glass is widely used as a material having chemical stability suitable for package of various chemical products. The bottle of glass includes a main body of a cap. There are different kinds of bottle caps.

That is, there is a simple bottle cap that can be opened using an opener. There is another bottle cap. that can be opened by turning the cap through a screw. In this case, the screw is formed on an outer surface of a nozzle of the bottle and is engaged with a screw formed in the bottle.

All the bottles using a cap are disposed of after taking out the contents to prevent the contents from input again with other contents. That is, the contents in the bottle have more commercial value than the bottle. However, the bottle has been often used again without being disposed of even after the contents are taken out from the bottle by opening the cap of the bottle. For this reason, a problem has occurred. For example, cheap alcohol has been filled in the bottle for expensive whisky or wine and has been distributed in the market at expensive cost.

To prevent such a problem, various methods have been contrived. As an example, an opened state is displayed once the cap of the bottle is opened so that the bottle cannot be used again. Also, any special symbol or pattern has been marked in the bottle only by the manufacturer so that consumers can recognize whether the bottle is original or imitated.

However, satisfactory results cannot be obtained up to now. In other words, since the bottle and its cap are essentially designed to open, a perfect method that prevents other similar contents from being contained in the bottle and at the same time maintains the opened state has not been contrived. For this reason, there still exists a problem that a similar imitation not the original product may be transformed into the original by filling an imitation in the bottle after opening the bottle cap.

Particularly, the method for allowing consumers to recognize whether the product is original or imitated using any special symbol or pattern has resulted in more distributions of imitation. The reason why is that the method is available only in a state that the consumers should recognize the symbol or pattern in advance.

Accordingly, distribution of imitation is likely to occur

if the consumers are insufficient for recognition information of the original or imitation.

The method for solving the problem has been disclosed by this applicant in the Korean Patent Application No. 0084138 in 2002 and the Korean Patent Application No. 0010386 in 2003.

In the Korean Patent Application No. 2002-0084138, a bottle cap includes a cap having a screw formed on its inner surface to be engaged with a screw formed on an outer surface of a nozzle of a bottle, a reverse screw rod fixed to a lower portion at the center of the cap, having a reverse screw positioned in a direction opposite to the screw of the cap at a pitch greater than that of the screw of the cap, a rod shaped nut having a screw engaged with the reverse screw rod and moving up and down in a screw direction without rotation, and a display fixed in the lower portion of the nut, displaying an opened state of the cap by moving downwardly by being pushed by the nut if the cap is opened so as to allow some portion to be hung in the nozzle. Thus, the opened state is displayed and the contents cannot be refilled in the bottle once the bottle cap is opened.

In another Korean Patent Application No. 2003- 0010386, a bottle cap includes a cap having a screw formed on its inner surface to be engaged with a screw formed on an outer surface of a nozzle of a bottle, a reverse screw rod fixed to a lower portion at the center of the cap, having a reverse screw positioned in a direction opposite to the screw of the cap at a pitch greater than that of the screw of the cap, a rod shaped nut having a screw engaged with the reverse screw rod and moving up and down in a screw direction without rotation, a display installed in the lower portion of the nut, displaying an opened

state of the cap by moving downwardly by being pushed by the nut if the cap is opened so as to allow some portion to be hung in the nozzle, and a guide fixed into the nozzle, guiding up and down movement of the nut so as not to avoid rotation of the nut, wherein a plurality of air vents are formed in the guide and pass through upper and lower portions, a heart shaped hanging portion is formed in a certain height of the air vents, and a ball greater than the air vents is provided in the hanging portion.

Thus, any other contents cannot be filled in the bottle.

However, the above inventions have some problems in their complicated structure and working reliability.

Other Korean Utility Model No. 0196228 discloses a valve member that seals an air vent and a lower guide ball when a bottle is upright so as to fail to fill counterfeited contents or foreign matters in the bottle.

However, this has a problem in that a cover fixed to the bottle can be detached from the bottle.

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: Fig. 1 is an exploded perspective view of a main part illustrating a device for preventing contents from being input again in a bottle according to the present invention; FIG. 2 is a sectional view illustrating the state that the device for preventing contents from being input

again in a bottle is fixed into the bottle ; and FIG. 3 is a sectional view illustrating the opened state of a cap in a state that the device for preventing contents from being input again in a bottle is fixed into the bottle.

DETAILED DESCRIPTION OF THE INVENTION TECHNICAL PROBLEMS Accordingly, the present invention is directed to a device for preventing contents from being input again in a bottle that substantially obviates one or more of the problems due to limitations and disadvantages of the related art.

An object of the present invention is to provide a device for preventing contents from being input again in a bottle in which contents cannot be refilled once a bottle cap is opened.

Another object of the present invention is to provide a device for preventing contents from being refilled in a bottle in which its manufacture is relatively simple and working reliability is improved.

TECHNICAL SOLUTIONS To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described, a device for preventing contents from being refilled in a bottle includes a cap having a thread of an inner diameter size engaged with a thread formed on an outer surface of a nozzle of a bottle to move along the thread of the nozzle, a push rod protruded in a lower direction of the cap and operated with movement of the cap, guides guiding the operation of the push rod and fixed along the inner wall of the nozzle

to guide movement of contents, a locking plate fixed to receive contraction elasticity around the guides and contracted with tension depending on the operational position of the push rods to operate the display with varying its position, an elastic member interposed between the guides and. the locking plate to give compressed elasticity to the locking plate, the display operated with movement of the locking plate, having an outer directional elastic member to be extended depending on the elastic direction of the elastic member and displaying the opened state of the cap, and an operating guide space disposed in the guides to guide an unfolding direction of the display.

The locking plate is operated depending on the open and close of the bottle cap so that the contents cannot be prevented from being refilled in the bottle. Once the cap is opened, the opened state is displayed and the contents cannot be refilled in the bottle. The cap is simply fixed to the bottle in the step of sealing the bottle before the product is distributed in the market to improve identification of the original product. Since the contents cannot be prevented from being refilled in the bottle by a simple mechanical structure, distributions of similar products can be avoided.

APPLICABLE ADVANTAGES The device for preventing contents from being refilled in a bottle according to the present invention has the following advantages.

The locking plate is operated depending on the open and close of the bottle cap so that the contents cannot be prevented from being refilled in the bottle. Once the cap is opened, the opened state is displayed and the contents cannot be refilled in the bottle. The cap is simply fixed

to the bottle in the step of sealing the bottle before the product is distributed in the market to improve identification of the original product. Since the contents cannot be prevented from being refilled in the bottle by a simple mechanical structure, distributions of similar products can be avoided.

While the present invention has been described and illustrated herein with reference to the preferred embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made therein without departing from the spirit and scope of the invention. Thus, it is intended that the present invention covers the modifications and variations of this invention that come within the scope of the appended claims and their equivalents.

BEST MODE FOR CARRYING OUT THE INVENTION Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

Fig. 1 is an exploded perspective view of a main part illustrating a device for preventing contents from being refilled in a bottle according to the present invention, FIG. 2 is a sectional view illustrating the state that the device for preventing contents from being refilled in a bottle is fixed into the bottle, and FIG. 3 is a sectional view illustrating the opened state of a cap in a state that the device for preventing contents from being refilled in a bottle is fixed into the bottle.

As shown in FIGs. 1 to 3, the device for preventing contents from being refilled in a bottle 10 includes a cap 20 having a thread 21 of an inner diameter size engaged with a thread 12 formed on an outer surface of a nozzle 11

of a bottle to move along the thread 12 of the nozzle 11, a push rod 22 protruded in a lower direction of the cap 20 and operated with movement of the cap 20, guides 30 and 30a guiding the operation of the push rod 22 and fixed along the inner wall of the nozzle 11 to guide movement of contents, a locking plate 50 fixed to receive contraction elasticity around the guides 30 and 30a and contracted with tension depending on the operational position of the push rods 22 to operate the display 70 with varying its position, an elastic member 60 interposed between the guides 30 and 30a and the locking plate 50 to give compressed elasticity to the locking plate 50, the display 70 operated with movement of the locking plate 50, having an outer directional elastic member 61 to be extended depending on the elastic direction of the elastic member 61 and displaying the opened state of the cap 20, and an operating guide space 35 disposed in the guides 30 and 30a to guide an unfolding direction of the display 70.

The push rod 22 can be formed in a single body with the cap 20. The cap 20 and the push rod 22 may separately be assembled so that the push rod 22 can move in accordance with rotation of the cap 20.

The guides 30 and 30a are divided into the upper guide 30 and the lower guide 30a. The guides include a guide groove 31 guiding the push rod 22, a moving space 32 guiding movement of the locking plate 50, and a guide track 33 assembled with the locking plate 50 moving along the moving space 32. The guides may be provided with a sealing member 80 on the outer surface to enhance adhesion to the inner wall of the nozzle 11.

The lower guide 30a includes a passage 40 having a ball 41 that takes contents in the bottle 10 out and blocks movement of the contents. The passage 40 includes

an outlet 42 gradually inclined toward the lower portion.

The locking plate 50 includes a guide track 52 formed on the surface to correspond to the guide track 33 of the guide 30 and another guide track 53 bidirectionally formed at an opposite position of the guide track 52 in a symmetrical direction to guide movement of the display 70.

The display 70 is elastically supported by the elastic member 61 around a protrusion 36 provided below the guide 60 so that it is unfolded along the operating guide space 35 of the guide 30 depending on movement of the locking plate 50. The display 70 is hung in the guide track 53 of the locking plate by protrusion joint. A slid rail 71 guided to the guide track 53 of the locking plate 50 is provided on the surface of the display 70. The end of the slide rail 71 is designed to be easily adhered to the inner wall of the lower portion of the nozzle.

A reference numeral 45 that is not described denotes an inclined outlet formed in the lower guide 30a.

The device for preventing contents from being refilled in a bottle according to the present invention is fixed to the nozzle of the bottle in such a manner that the contents can be taken out by opening the cap 20 having the push rod 22 but other contents cannot be refilled in the bottle.

Referring to FIG. 2, the guides 30 and 30a have the outer diameter suitable for the size of the nozzle 11. The locking plate 50 and the display 70 are assembled in the guides 30 and 30a.

The locking plate 50 is in contact with the guide 30 through the guide tracks 33 and 52 corresponding to a contact portion by the elastic member such as a compressed coil spring. The display 70 is positioned in the lower direction of the locking plate 50. The upper portion of

the display 70 is in contact with the guide track 53 through the slide rail 71 and its lower portion is supported by the guide 30a. The ball 41 built in the passage of the guide 30a blocks a first outlet 43 by its weight gravity.

Meanwhile, once the unit having the locking plate 50 and the display 70 is fixed along the inner wall of the nozzle 11 in the guide 30a, the outer wall of the guide 30 is in contact with the inner wall of the nozzle 11 so that it is built in the nozzle. In this case, the guides 30 and 30a may be provided with a separate auxiliary unit so that they cannot be taken out from the inner wall of the nozzle 11. For example, a wedge shaped groove may be formed in the inner wall of the nozzle 11 and a rib may be provided along the groove on the outer portion of the guide 30 in the assembly process of the groove. Alternatively, a hanging unit may be provided in the nozzle to be unfolded inside the nozzle once the assembly of the guides 30 and 30a in the nozzle is completed.

An example of the assembly process is as follows.

The locking plate 50 and the display 70 are provided in the guides 30 and 30a and the guides 30 and 30a are fixed not to be detached from the nozzle. Although the method of fixing the guides 30 and 30a is not illustrated in detail, a corresponding portion can be threaded around a contact portion where the guides 30 and 30a adjoin each other. After parts such as the locking plate and the display are fixed, the contact portion of the guides 30 and 30a are fixed by a bonding method or a mechanical method.

Once the assembly of the guides is completed, the guides are fixed in the nozzle and at the same time the cap 20 is turned for assembly at the upper portion.

Another method of preventing the guides 30 and 30a from being taken out from the nozzle without any auxiliary unit is that a material having friction is used as a portion of the guides 30 and 30a adjoining the inner wall of the nozzle. For example, a compressed material of high elasticity and high friction is treated with the outer surface of the guides 30 and 30a and then the guides 30 and 30a are fixed to the nozzle by high compression. In this case, the guides can be fixed to the nozzle 11 without being taken out from the nozzle 11 only by friction.

In other method, a round tip towards the inside is formed at the front end of the nozzle 11 and a contractible material is used as the guides 30 and 30a so that the guides 30 and 30a cannot be artificially taken out from the nozzle once they are fitted into the nozzle by compression.

As described above, the guides 30 and 30a can be fixed to the nozzle by optionally using a proper method so that they cannot be artificially taken out from the nozzle.

The guides according to the present invention have a structure suitable for various units for preventing the guides from being taken out from the nozzle when the guides are fixed to the nozzle. This structure allows the guides to be fixed to the nozzle by high compression through surface treatment or optional material, so that the guides cannot be artificially taken out from the nozzle.

The push rod 22 is protrusively provided in the cap 20 so that the cap 20 descends along the thread 12 once it is turned along the thread 12 at the outer wall of the nozzle 11 to be fitted into the nozzle 11. The push rod 22 pressurizes the locking plate 50 by pushing the surface of

the locking plate 50 while descending along the groove 31 formed in the guides 30 and 30a. At this time, the push rod 22 pressurizes the locking plate 50 simultaneously with movement of the cap 20.

Referring to FIG. 2, the cap 20 is completely fixed to the nozzle along the thread. 12. The push rod 22 of the cap 20 descends along the guide groove 31 of the guides.

The cap 20 is engaged with the thread 12 of the nozzle 11.

In this state, the contents are contained in the bottle and the bottle is finally sealed with the cap 20. The display 70 is disposed inside the operating guide space 35 of the guides 30 and 30a.

The pressure of the push rod 22 occurs in the course of turning the cap 20 to be fitted into the nozzle 11. The locking plate 50 is moved by the pressure of the push rod 22. The position of the display 70 may be varied continuously depending on movement of the locking plate 50.

However, the display 70 remains fixed to the operating guide space 35 of the guides in a state that the cap 20 is fixed to the nozzle as shown in FIG. 2.

In other words, once the user turns the cap 20, the cap 20 descends along the thread 12 of the nozzle and at the same time the push rod 22 pressurizes the upper portion of the locking plate 50 through the front end while descending along the guide groove 31 of the guides 30 and 30a.

The locking plate 50 tenses the elastic member 60 elastically supported between the guides 30 and 30a and the locking plate 50 while moving in the pressurizing direction of the push rod 22.

The locking plate 50 separates the contact portion adjoining the guide tracks 33 and 52 from the guide tracks and moves the display 70 to the lower portion while

descending in accordance with tension of the elastic member 60. Thus, the display 70 is flush with the operating guide space 35. Although the display 70 is initially positioned in the inner wall of the guides 30 and 30a, it is flush with the operating guide space 35 while moving in accordance with movement of the locking plate 50.

Once the user turns the cap 20 to take out the cap 20, as shown in FIG. 3, the display 70 is externally unfolded along the operating guide space 35 of the guides by means of elasticity of the elastic member 61 and then is hung in a bending portion 13 of the nozzle 11. In other words, the display 70 is initially hung in the guide track 53 of the locking plate 50. However, the display 70 is separated from the guide track 53 of the locking plate 50 as the pressure of the push rod 22 is unlocked by opening the cap 20 and the locking plate 50 ascends. As a result, the display 70 is unfolded along the operating guide space 35.

Since the display 70 has a pitch 72, its sliding movement is easily made along the bending portion 13 of the nozzle. Also, since the display 70 is fixed to the guide track 53 of the locking plate 50 through the slide rod 11, it can be slidingly moved during elastic movement.

The display 70 starts to be operated in a state that it is fixed by the end protrusion of the guide track 53 formed in the locking plate 50.

The device for preventing contents from being refilled in a bottle according to the present invention, as shown in FIG. 1 to FIG. 3, the guide 30 is fixed to the nozzle 11 in the step of sealing the cap 20 before the product is distributed in the market by containing the contents in the bottle 10.. Then, once cap 20 is closed,

the locking plate 70 descends. Once the user opens the cap 20, the display 70 is externally extended to display the opened state of the cap 20. The guides are taken out from the nozzle and a special part is removed so that the contents cannot be refilled in the bottle.

Meanwhile, once the user turns the cap 20 to open the cap 20 after the contents are filled in the bottle, the device for preventing contents from being refilled in a bottle is fixed to the nozzle. The cap 20 is opened along the thread 12 of the nozzle 11. At this time, the push rod 22 ascends in accordance with movement of the cap 20. In this case, the pressure on the locking plate 50 is removed but the locking plate 50 ascends by elasticity of the elastic member 60. Once the cap 20 is opened, the locking plate 50 fixed to the position where the elastic member 60 is extended unfolds the display 70 to the outside of the guides 30 and 30a with ascending movement.

Since the end of the display 70 is hung in the bending portion 13, the display remains unchanged even though the elastic member 61 is restored to the original position. This state can easily be recognized by the user.

The bottle 10 is inclined to take out the contents in the same manner as the conventional method. However, in the present invention, the first outlet 43 is opened and closed when the bottle is inclined. This is to prevent the contents from being refilled in the bottle through the outlet 42.

Once the bottle is inclined, the ball 41 freely moves along a guide groove 44 of the passage 40. That is, the position of the ball 41 is varied within the guide groove 44 depending on the inclined angle.

The first outlet 43 is closed by the ball 41 when the bottle is upright. Once the bottle is inclined at a

proper angle to take out the contents, the ball 41 is slidingly moved along the guide groove 44 so that the first outlet 43 is opened. In this case, the contents can be taken out through the outlet 42. That is, the contents taken out through the outlet 42 are moved along the moving space 32 between the guide 30 and the locking plate 50.

The contents are finally taken out through the guide groove 31 formed in the guides 30 and 30a. Since the push rod 22 is detached from the guide groove 31 when the cap 20 is opened, the guide groove is not blocked by the push rod 22. Once the bottle is upright after the contents are taken out, the ball descends by its weight to close the first outlet 43. In this state, any contents cannot be filled through the outlet 42.