KR200486606Y1 - Sealing apparatus for Storing box - Google Patents

Sealing apparatus for Storing box Download PDF

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Publication number
KR200486606Y1
KR200486606Y1 KR2020160000343U KR20160000343U KR200486606Y1 KR 200486606 Y1 KR200486606 Y1 KR 200486606Y1 KR 2020160000343 U KR2020160000343 U KR 2020160000343U KR 20160000343 U KR20160000343 U KR 20160000343U KR 200486606 Y1 KR200486606 Y1 KR 200486606Y1
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KR
South Korea
Prior art keywords
sealing
packing
discharge port
sealing body
storage box
Prior art date
Application number
KR2020160000343U
Other languages
Korean (ko)
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KR20170002706U (en
Inventor
김성태
Original Assignee
주식회사 제이엠티
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 제이엠티 filed Critical 주식회사 제이엠티
Priority to KR2020160000343U priority Critical patent/KR200486606Y1/en
Publication of KR20170002706U publication Critical patent/KR20170002706U/en
Application granted granted Critical
Publication of KR200486606Y1 publication Critical patent/KR200486606Y1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38—Devices for discharging contents
    • B65D25/40—Nozzles or spouts
    • B65D25/48—Separable nozzles or spouts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/04—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle with a cut-off member rigid with the spindle, e.g. main valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

The present invention relates to a sealing apparatus for a fluid storage box, and more particularly, to a sealing apparatus for a fluid storage box, more particularly, a sealing apparatus for inserting a sealing member in a state where a packing is inserted into an outlet of a storage box, To a sealing apparatus for a fluid storage box which is capable of preventing leakage of a flowing fluid.
According to an aspect of the present invention, there is provided a sealing apparatus for a fluid storage box, comprising: a packing formed in a shape corresponding to the discharge port, the packing being formed at a discharge port formed at a lower side of a storage box for storing a fluid; A sealing part extending from one side to the other and having a sealing body formed with a flow hole at a central portion thereof and a sealing washer protruding outward along the other side of the sealing body; And an opening / closing part connected to the other side of the sealing part, wherein the sealing body is fitted to the packing in a state where the packing is provided at the discharge port.

Description

SEALING APPARATUS FOR STORING BOX

The present invention relates to a sealing apparatus for a fluid storage box, and more particularly, to a sealing apparatus for a fluid storage box, more particularly, a sealing apparatus for inserting a sealing member in a state where a packing is inserted into an outlet of a storage box, To a sealing apparatus for a fluid storage box which is capable of preventing leakage of a fluid to be flowed.

Generally, when a shaft is passed through a joint surface of a container in which a fluid is sealed such as a hydraulic device, a compressor, a pump, or the like, or when pipes for various pipes such as water supply and drainage pipes, gas pipes, A sealing device formed of various structures and materials is used to seal the internal fluid so as not to leak out.

The sealing device is formed of various materials and structures depending on the structure of the sealing place, pressure, temperature, movement, and the like. When the place to be sealed has a complicated structure, a mechanical seal of a type suited to the requirements of the structure is used. However, in case of sealing of a simple structure such as a pipe-pipe joint, a sealing element having a simple structure provided with a packing element or the like is used.

The packing is mainly formed of a synthetic rubber or natural rubber having high elasticity, and is generally a thin strip-shaped band. In a sealing device of simple structure, the sealing is mainly performed by inserting the packing between the joints of the coupling structure .

That is, in the prior art, the seal of the tube and the joint of the tube and the tube is made merely by using the tightness of the packing. However, when the sealing is performed using only the packing, sealing may not be completely performed unless the pressure applied to the packing is strong. When the packing shrinks, relaxes, or warps due to environmental changes such as temperature changes, It is difficult to prevent leakage completely.

As a conventional technique for such a sealing device, JP-A-10-0816627 is disclosed. A conventional sealing apparatus includes a nozzle connected to a gas supply device, a flat plate-shaped ring, a bottom surface portion, a first protrusion protruding from the bottom surface portion along an outer periphery, and a ring- And a ring having an annular cavity formed therein and having a nozzle hole formed therethrough so as to expose one end of the nozzle to the annular cavity, the ring having a vent hole passing through the bottom portion on the annular cavity At least one of which is formed.

However, in the conventional sealing apparatus, sealing is not stably performed when a problem occurs in a tube which applies pressure to the bottom surface portion, and since the length of the first projection is short, there is a problem that the tube is easily separated from the tube when the applied pressure is weak.

KR 10-0816627 (B1) 2008.03.18.

In order to solve the problems of the prior art, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a packing and sealing device, Which is capable of preventing leakage of fluid discharged from the fluid storage box.

In addition, a problem to be solved in the present invention is that a taper is formed in the packing and the sealing portion, the diameter of which is widened from one side to the other, so that strong pressure is applied to the other side of the discharge port, Which is prevented from being separated from the fluid storage box.

Another object of the present invention is to provide a sealing device for a fluid storage box, wherein a taper angle of an outer circumferential surface of a sealing portion is formed to be sloped more than a taper angle of an inner circumferential surface of a packing so that a stronger pressure can be applied to the other side of the discharge port.

According to an aspect of the present invention, there is provided a sealing apparatus for a fluid storage box, comprising: a packing formed in a shape corresponding to the discharge port, the packing being formed at a discharge port formed at a lower side of a storage box for storing a fluid; A sealing part extending from one side to the other and having a sealing body formed with a flow hole at a central portion thereof and a sealing washer protruding outward along the other side of the sealing body; And an opening / closing part connected to the other side of the sealing part, wherein the sealing body is fitted to the packing in a state where the packing is provided at the discharge port.

Meanwhile, the sealing body is formed such that the outer circumferential surface gradually increases in outer diameter from one side to the other side.

The sealing body may further include an O-ring around the outer circumferential surface thereof.

The sealing device for the fluid storage box of the present invention is coupled by the fitting of the respective components so that the sealing part can be stably sealed by applying pressure to the packing and the discharge port at the same time that the packing applies pressure to the discharge port.

In addition, since the sealing apparatus for a fluid storage box of the present invention has a taper which is formed to have a larger diameter from one side to the other side of the sealing portion and the packing, a relatively stronger pressure is applied to the other side than the one side, And even if a small amount of fluid flows into each component, it can not escape anymore and stays there to prevent leakage.

Further, since the sealing device for a fluid storage box of the present invention is provided with an O-ring on the outer circumferential surface of the sealing portion and a protrusion is formed on the inner circumferential surface thereof, the adhesion of the respective components is improved to prevent the leakage stably, .

1 is a perspective view of a sealing device for a fluid storage box according to the present invention;
2 is an exploded cross-sectional view of a sealing apparatus for a fluid storage box according to a first embodiment of the present invention;
3 is a sectional view of a sealing apparatus for a fluid storage box according to a first embodiment of the present invention;
4 is a sectional view of a sealing apparatus for a fluid storage box according to a second embodiment of the present invention;
5 is a sectional view of a sealing apparatus for a fluid storage box according to a third embodiment of the present invention;
6 is a sectional view of a sealing apparatus for a fluid storage box according to a fourth embodiment of the present invention;
7 is a sectional view of a sealing apparatus for a fluid storage box according to a fifth embodiment of the present invention;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

The sealing device for a fluid storage box of the present invention is provided in a discharge port 51 formed at one side of a storage box 50 for storing fluid and is provided with a packing 10, a sealing part 20 and an opening / closing part 30) are successively inserted and coupled to each other and sealed by a pressure acting on each structure.

In the present invention, it is noted that the side in which the fluid flowing in the sealing device flows into one side and the side in which the fluid flows in the sealing device are referred to as the other side for the sake of convenience.

FIG. 1 is a perspective view of a sealing apparatus for a fluid storage box according to the present invention, FIG. 2 is an exploded sectional view of a sealing apparatus for a fluid storage box according to a first embodiment of the present invention, FIG. 3 is a cross- Sectional view of a sealing apparatus for a fluid storage box according to the present invention.

The sealing apparatus for a fluid storage box of the present invention is largely formed by including a packing 10, a sealing portion 20 and an opening / closing portion 30.

The packing (10) is formed in a shape corresponding to the discharge port (51), and is closely attached to the discharge port (51) to prevent fluid from leaking. At this time, the packing 10 is formed of a material having elasticity such as rubber, urethane, and elastomer.

The sealing part 20 is extended from one side to the other side and has a sealing body 21 through which a flow hole 23 is formed at a central part and a sealing washer 21 protruding outward along the other side of the sealing body 21 22). At this time, the sealing portion 20 may also be formed of a material having elasticity such as rubber, urethane, and elastomer.

The opening / closing part 30 is connected to the other side of the sealing part 20 to control the opening / closing of the discharge port 51. Although the opening and closing part 30 is shown in the form of a valve in this drawing, the present invention is not limited thereto, and various configurations can be used as long as the opening and closing of the outlet 51 can be controlled.

According to the above configuration, the sealing device for a fluid storage box of the present invention is characterized in that the sealing portion 20 is fitted and fitted in a state where the packing 10 is provided in the discharge port 51, (20) so as to be sealed.

More specifically, the sealing washer 22 seals the periphery of the discharge port 51 and the sealing body 21 presses the inner peripheral surface of the packing 10, Is inserted into the sealing body (21) and is pressed to press the inner circumferential surface of the sealing body (21).

The sealing body 21 is in close contact with the inner circumferential surface of the packing 10 and the opening and closing part 30 is in contact with the inner circumferential surface of the sealing body 21 So that the micro holes in the gap between the packing 10 and the discharge port 51 and between the packing 10 and the sealing portion 20 are all sealed so that the flow holes 23, So that it can be discharged to the outside only through

That is, according to the present invention, when the packing 10 presses the discharge port 51 by the fitting of each component, the sealing portion 20 applies a stronger pressure to the packing 10 and the discharge port 51, The sealing can be stably performed.

On the other hand, the discharge port 51 is formed on one side of the storage box 30 such that a part of the inlet is located below the lower surface of the storage box. Accordingly, when the opening / closing part 30 is opened, the fluid contained in the storage box can be easily discharged to the outside along the discharge port 51. [

The storage box 50 is formed with a lattice plate 53 around its side wall and the discharge port 51 is formed to be shorter than the length of the lattice plate 53 protruding laterally so that an external force such as a collision The lattice plate 53 protects the discharge port 51 so that the discharge port 51 can be prevented from being damaged by a collision or the like.

It is preferable that the grid plate 53 located at the lowermost part of the storage box 50 is formed to correspond to the circumference of the sealing washer 22 so that insertion of the sealing part 20 is not hindered. Referring to this figure, for example, the grid plate 53 may have a curvature and may be formed to surround the lower side of the sealing washer 22.

FIG. 4 is a sectional view of a sealing apparatus for a fluid storage box according to a second embodiment of the present invention, and FIG. 5 is a sectional view of a sealing apparatus for a fluid storage box according to a third embodiment of the present invention.

Referring to FIG. 4, the outer circumferential surface of the packing 10 of the present invention has a tapered shape, so that the packing 10 can apply a stronger pressure to the discharge port 51 to stably seal it.

More specifically, the outer circumferential surface of the packing 10 is formed to have a smaller outer diameter from one side to the other, and can be inserted into the discharge port 51 by interference fit. Accordingly, as strong pressure is applied to one side of the discharge port 51, that is, the inlet side of the discharge port 51, the fluid is prevented from flowing into one side of the packing 10. Also, since one side of the packing 10 serves as a kind of latch, it is possible to prevent the packing 10 from being separated from the discharge port 51 even if the packing 10 is strongly adhered to the discharge port 51 and is applied to an external force.

More preferably, as shown in FIG. 5, the outer circumferential surface of the packing 10 has a larger outer diameter from one side to the other, so that the user can more easily insert the packing 10 into the discharge port 51. [ So as to be inserted into the discharge port 51. Accordingly, the packing 10 can be more easily coupled to the discharge port 51, and at the same time, a stronger pressure can be applied to the other side of the discharge port 51 to prevent leakage, Can be prevented.

At this time, the inner wall of the discharge port 51 may be formed in a shape corresponding to the shape of the outer circumferential surface of the packing 10, or may be formed to have the same diameter from one side to the other side so as to generate stronger pressure It is possible.

As described above, in the present invention, sealing is performed by the pressure applied by each component. The sealing body 21 closely contacts the packing 10 in the direction of the discharge port 51, and at the same time, 51). ≪ / RTI >

5, the outer circumferential surface of the sealing body 21 of the present invention is tapered so that the outer diameter gradually increases from one side to the other side, and the thickness of the sealing body 21 gradually increases from one side to the other side And is thickened.

As a result, a relatively stronger pressure is generated on the other side than the one side of the sealing body 21, so that the sealing portion 20 can be stably engaged and fixed to the discharge port 51. Further, even if a small amount of fluid flows into each of the components, a strong force is exerted on the discharge port 51 toward the other side, so that the inflow fluid can no longer leach out, and leakage can be prevented.

It is preferable that the sealing body 21 of the present invention is formed such that the angle formed by the outer peripheral surface of the sealing body 21 and the axis of the discharge port 51, that is, the taper angle of the sealing body 21 is 10 ° to 20 °.

When the taper angle of the sealing body 21 is less than 10 °, the pressure generated at the other side of the sealing body 21 is weak and the adhesive force may be somewhat lowered. When the taper angle of the sealing body 21 exceeds 20 ° The pressure at the other side of the sealing body 21 is strongly generated. However, there is a risk that the sealing body 21 may be detached from the discharge port 51 due to an excessively strong pressure even with a slight external force.

Therefore, it is preferable that the sealing body 21 of the present invention is formed such that the outer circumferential surface thereof has an inclination within the above-mentioned range, so that the adhesion with the discharge port 51 and the packing 10 can be enhanced and stable insertion can be achieved .

At this time, the inner circumferential surface of the packing 10 may be formed to correspond to the outer circumferential surface of the sealing body 21, but the packing 10 may be formed so as to increase the adhesion between the sealing body 21 and the packing 10. [ The inclination angle of the inner circumferential surface of the sealing body 21 is formed to be relatively gentle relative to the taper inclination angle of the outer circumferential surface of the sealing body 21. [

More specifically, the inclination angle of the inner circumferential surface of the packing 10 is set to be 2 ° to 4 ° smaller than the taper inclination angle of the outer circumferential surface of the sealing body 21, so that the packing 10 and the sealing body 21 It is preferable to stably engage with a low pressure.

6 is a cross-sectional view of a sealing apparatus for a fluid storage box according to a fourth embodiment of the present invention.

6, an O-ring 41 is formed around the outer circumferential surface of the sealing body 21 in order to increase the adhesion between the sealing body 21 and the packing 10 .

More specifically, a groove 40 into which the O-ring 41 can be inserted is formed around the outer circumferential surface of the sealing body 21, and the O-ring 41 can be inserted into the groove 40. At this time, it is preferable that the depth of the groove 40 is formed to be 1/2 to 2/3 of the thickness of the O-ring 41.

When the depth of the groove 40 is less than a half of the thickness of the O-ring 41, the O-ring 41 is pushed to the other side by the external force in the process of pushing the sealing body 21 into the discharge port 51 The O-ring 41 can be separated from the groove 40 and the O-ring 41 is completely inserted into the groove 40 when the depth of the groove 40 exceeds 2/3 of the thickness of the O- The pressure applied to the sealing body 21 by the O-ring 41 is weakened, thereby causing a problem of poor adhesion efficiency.

Therefore, it is preferable that the sealing body 21 of the present invention is formed such that the groove 40 has a length of 1/2 to 2/3 of the thickness of the O-ring 41 in order to further increase the adhesion with the packing 10 Do.

7 is a cross-sectional view of a sealing apparatus for a fluid storage box according to a fifth embodiment of the present invention.

7, when the opening / closing part 30 is constituted by a valve, protrusions 24 projecting inward along the inner circumferential surface of the sealing body 21 to increase the adhesion between the valve and the sealing part 20 ). ≪ / RTI >

That is, as the protrusion 24 presses the outer peripheral surface of the valve, the sealing body 21 and the valve can be stably sealed and coupled.

Meanwhile, in order to further increase the sealing efficiency, the sealing portion 20 of the present invention can be coupled to the sealing portion 20 and the discharge port 51 by a screw B.

A plurality of threaded engaging portions 52 protruding outward are formed on the other side of the discharge port 51 and a plurality of threaded engaging portions 52 are formed radially around the discharge port 51 And the threaded hole formed in the sealing washer 22 is perforated at a position corresponding to the threaded portion 52 so that the sealing washer 22 and the discharge port 51 can be fixed by screwing. do.

Accordingly, the sealing portion 20 is strongly coupled to the discharge port 51, so that the sealing can be made more stable.

While the preferred embodiments of the present invention have been described, it should be understood that the scope of the present invention is not limited thereto and that the range of the present invention is substantially equivalent to the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1: Conventional packing
10: Packing
20: sealing part
21: sealing body 22: sealing washer
23: projection
30:
40: Home 41: O ring
50: Storage box
51: exhaust port 52:
53: Grating plate
100: sealing device of the present invention

Claims (3)

A sealing apparatus provided in an outlet (51) formed at a lower side of a storage box (50) for storing a fluid,
A packing (10) formed in a shape corresponding to the discharge port (51);
And a sealing washer (22) extending from one side to the other and having a sealing body (21) through which a flow hole (23) is formed at the center and a sealing washer (22) protruding outward along the other side of the sealing body (20); And
An opening / closing part 30 connected to the other side of the sealing part 20;
/ RTI >
The sealing body 21 is fitted and sealed to the packing 10 in a state where the packing 10 is provided in the discharge port 51,
The outer circumferential surface of the packing (10)
And the inner wall of the discharge port 51 is formed to have the same diameter from one side to the other side so that the packing 10 and the discharge port 51 are prevented from being pressed against each other, Lt; / RTI >
The sealing body (21)
Wherein the taper angle is in a range of 10 to 20 degrees,
The inner circumferential surface of the packing (10)
And a taper angle of 2 to 4 degrees relative to a taper angle of the sealing body (21), the taper angle being smaller than the taper angle of the sealing body (21)
On the periphery of the sealing body 21,
An O-ring 41 is provided in the groove 40, and an O-
The depth of the groove 40 is set to 1/2 to 2/3 of the thickness of the O-ring 41,
The inner surface of the sealing body 21 is further provided with a protrusion 24 protruding inward along the inner circumference thereof,
In the discharge port 51,
A plurality of threaded engaging portions 52 are radially formed along the circumference of the discharge port 51. Screw holes are drilled in the sealing washer 22 at positions corresponding to the threaded engaging portions 52,
Wherein the sealing part (20) and the discharge port (51) are engaged with each other as the screw (B) passes through the threaded hole and the threaded part (52) at the same time.
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KR2020160000343U 2016-01-20 2016-01-20 Sealing apparatus for Storing box KR200486606Y1 (en)

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Application Number Priority Date Filing Date Title
KR2020160000343U KR200486606Y1 (en) 2016-01-20 2016-01-20 Sealing apparatus for Storing box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020160000343U KR200486606Y1 (en) 2016-01-20 2016-01-20 Sealing apparatus for Storing box

Publications (2)

Publication Number Publication Date
KR20170002706U KR20170002706U (en) 2017-07-28
KR200486606Y1 true KR200486606Y1 (en) 2018-06-11

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KR2020160000343U KR200486606Y1 (en) 2016-01-20 2016-01-20 Sealing apparatus for Storing box

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319814U (en) * 1989-07-04 1991-02-27
JPH0648447A (en) * 1992-06-05 1994-02-22 Bridgestone Corp Structure of fluid feeding/discharging port of resin container
JP2010124948A (en) * 2008-11-26 2010-06-10 Pearl Metal Co Ltd Liquid container

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100816627B1 (en) 2007-10-18 2008-03-24 김호준 Seal ring for vacuum pipe connection
KR200465617Y1 (en) * 2010-09-01 2013-02-28 최영일 Apparatus for cock use for liquid container

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319814U (en) * 1989-07-04 1991-02-27
JPH0648447A (en) * 1992-06-05 1994-02-22 Bridgestone Corp Structure of fluid feeding/discharging port of resin container
JP2010124948A (en) * 2008-11-26 2010-06-10 Pearl Metal Co Ltd Liquid container

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