KR20000026862A - Air check valve of potable water container - Google Patents

Air check valve of potable water container Download PDF

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Publication number
KR20000026862A
KR20000026862A KR1019980044587A KR19980044587A KR20000026862A KR 20000026862 A KR20000026862 A KR 20000026862A KR 1019980044587 A KR1019980044587 A KR 1019980044587A KR 19980044587 A KR19980044587 A KR 19980044587A KR 20000026862 A KR20000026862 A KR 20000026862A
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KR
South Korea
Prior art keywords
valve
drinking water
check valve
air check
potable water
Prior art date
Application number
KR1019980044587A
Other languages
Korean (ko)
Inventor
권기용
Original Assignee
권기용
주식회사 대성프라스틱
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.)
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Publication date
Application filed by 권기용, 주식회사 대성프라스틱 filed Critical 권기용
Priority to KR1019980044587A priority Critical patent/KR20000026862A/en
Publication of KR20000026862A publication Critical patent/KR20000026862A/en

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Classifications

    • 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
    • F16K27/0209—Check valves or pivoted valves
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/32—Closures with discharging devices other than pumps with means for venting
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • F16K27/12—Covers for housings
    • 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
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

PURPOSE: An air check valve is provided to easily discharge the potable water in a cylindrical liquid container(a potable water container) for carrying or storing liquid such as potable water. CONSTITUTION: A structure of an air check valve(A) of a potable water container is composed of an outer housing casing(1), a valve housing(2), a spring(3), a regulation valve(4), a snap ring(5) and a valve cap(6). The air check valve has a spiral line(1b) on the lower inner face of the housing casing to be combined to a subsidiary entrance aperture(B') formed on a general potable water container.

Description

식수통의 에어체크밸브Air check valve of drinking water bottle

본 발명은 식수를 비롯한 유류 등의 액체(편의상 이하 ""식수"라 칭함)를 운반하거나 보관하는 통상의 액체통(편의상 이하 "식수통"이라 칭함)의 식수를 쉽게 배출시킬 수 있도록 안출한 식수통의 에어체크밸브에 관한 것이다.The present invention provides drinking water that can be easily discharged from a conventional liquid container (hereinafter referred to as "drinking water bottle") for transporting or storing a liquid such as drinking water and oil (hereinafter referred to as "drinking water" for convenience). It relates to an air check valve of a cylinder.

일반적으로 통상의 식수통은 통상적으로 상면 일측에 입출구(B')가 형성되는 동시에 다른 한쪽에는 그보다 다소 작은 크기의 보조입출구(B")가 형성되어 있음을 알 수 있는데, 그 중에서 입출구(B')는 식수통(B)에 식수(C)를 담거나 배출시킬 때 입출구로 사용되는 반면에 보조입출구(B")는 그 식수통(B)의 식수(C)가 배출될 때 뚜껑을 열어서 외부의 공기가 식수통(B)으로 유입되게 하여 식수(C)가 쉽고 안정된 상태로 배출되도록 하는 외부공기 유입구멍으로 사용되고 있음을 알 수 있다.In general, the drinking water can be seen that the entrance and exit (B ') is usually formed on one side of the upper surface at the same time the auxiliary entrance (B ") of a somewhat smaller size than the other, the entrance and exit (B') ) Is used as an inlet and outlet when drinking water (C) is put or discharged in the drinking water container (B), while the auxiliary inlet and outlet (B ") is opened by opening a lid when the drinking water (C) of the drinking water container (B) is discharged. It can be seen that the air is introduced into the drinking water tank (B) is used as an external air inlet hole to allow the drinking water (C) is discharged in an easy and stable state.

그러나 상기 종래의 식수통은 보조입출구(B")의 뚜껑을 열었을 때에만 식수(C)가 안정된 상태로 원활하게 배출되는 반면에 그 보조입출구(C")의 뚜껑을 여는 것이 귀찮아서 열지 않기라도 하게 되면 식수(C)의 배출이 원활하지 못하고 안정되지 않은 불안정한 상태로 출렁이면서 배출되므로 붓고자하는 용기 밖의 엉뚱한 위치에 쏟는 문제를 발생시키게되며 배출시간도 많이 소요되며 특히 보조입출구의 뚜껑을 분실하는 등의 많은 불편이 따르고 있었음을 알 수 있다.However, the conventional drinking water can be smoothly discharged in a stable state only when the lid of the auxiliary inlet (B ") is opened, while opening the lid of the auxiliary inlet (C") does not bother to open it. If the discharge of drinking water (C) is not smooth and stable and unstable, it will be discharged in an unstable state, causing the problem of spilling in the wrong place outside the container to be poured. You can see that a lot of inconvenience.

본 발명은 기본적으로 종래의 문제를 해소하게 됨은 물론이고 일단 한번 결합한 다음에는 다시 개폐하지 아니하더라도 식수(C) 배출력에 의해 밸브가 자동으로 개방되면서 외부의 공기가 식수통(B) 내부로 유입되는 에어체크밸브(A)를 제공하려는 것으로서, 이와 같은 본 발명의 에어체크밸브(A)의 구조는 도 1에 예시된 바와 같이 하우징케이싱(1)을 비롯한 밸브하우징(2) 및 스프링(3), 그리고 단속밸브(4)와 밸브뚜껑(6)으로 결합 구성되어 제공된다.The present invention basically solves the conventional problem, and even if the valve is opened automatically by the discharge power of drinking water (C) even after it is combined once, the outside air flows into the drinking water tank (B). In order to provide an air check valve (A), the structure of the air check valve (A) of the present invention is a valve housing (2) and a spring (3), including a housing casing (1) as illustrated in FIG. And it is provided coupled to the intermittent valve 4 and the valve lid (6).

도 1은 본 발명의 구조를 설명하는 분해결합 사시도.1 is an exploded perspective view illustrating the structure of the present invention.

도 2는 본 발명이 식수통에 결합된 상태를 설명하는 정면도.Figure 2 is a front view illustrating a state in which the present invention is coupled to a drinking water bottle.

도 3은 상기 도 2의 원내를 요부확대 도시한 단면도.3 is an enlarged cross-sectional view of the main part of the circle of FIG.

도 4는 식수통의 물을 배출시킬 때 본 발명의 에어체크밸브가 작용하는 상태를 설명하는 정면도.Figure 4 is a front view illustrating a state in which the air check valve of the present invention acts when discharging the water in the drinking water container.

도 5는 상기 도 4의 원내를 요부확대 도시한 단면도.Fig. 5 is an enlarged cross-sectional view showing the main part of the circle of Fig. 4.

도 6은 본 발명의 다른 실시상태를 예시한 것으로서, 본 발명의 에어체크밸브가 식수통을 사출성형할 때 사출금형에 매입하여 사출 성형하는 상태를 설명하는 식수통의 부분 단면도.Figure 6 illustrates another embodiment of the present invention, a partial cross-sectional view of the drinking water tank illustrating the state in which the air check valve of the present invention is injected into the injection mold when injection molding the drinking water bottle.

도 7은 본 발명의 일반 음료수용기에 사출성형되는 상태를 설명하는 음료Figure 7 is a beverage explaining the state that is injection molded in the general beverage container of the present invention

<도면중 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

(A)…에어체크밸브 (B)…식수통 (C)…식수(A)… Air check valve (B)… Drinking water bottle (C) drinking water

(1)…하우징케이싱 (1a)…걸림턱 (1b)…만곡턱(One)… Housing casing 1a... Latching jaw 1b. Curved jaw

(1c)…밸브하우징실 (1d)…나사선부 (2)…밸브하우징(1c)... Valve housing chamber 1d... Threaded portion (2). Valve housing

(2a)…밸브축구멍 (2b)…스프링지지턱 (2c)…습동공간(2a)... Valve shaft hole 2b... Spring supporting jaw 2c... Sliding space

(3)…스프링 (4)…단속밸브 (4a)…걸림부(3)... Spring 4... Intermittent valve 4a... Hang

(4b)…경사면 (4c)…개폐단속면 (4d)…밸브축(4b)... Inclined surface 4c... Opening / closing surface 4d... Valve shaft

(4e)…스넵링끼움홈 (5)…스넵링 (6)…밸브뚜껑(4e)... Snap ring groove (5) Snapping (6).. Valve lid

(6a)…내곡면 (6b)…공기유입구멍(6a)... Inner curved surface 6b... Air inlet

도 1 및 도 3은 에어체크밸브(A)의 구성상태를 잘 나타낸 분해 결합 사시도와 결합상태의 단면도로서, 이때 에어체크밸브(A)의 구조는 도 1에서 사시도로 예시한 바와 같이, 에어체크밸브(A)의 하우징케이싱(1)은, 그 상단 내주연에 만곡턱(1b)을 형성하는 한편 그 중간쯤 되는 내주연 벽면에는 원방향을 따라 일정한 넓이의 걸림턱(1a)을 형성하며 하단 내주연의 벽면에는 나사선(1d)을 형성하며, 또 에어체크밸브(A)의 밸브하우징(2)은, 그 중앙이 아래위로 관통된 원형상의 중공부를 형성하되 그 상측의 내부에는 단턱을 형성하여 습동공간(2c)을 형성하는 동시에 밸브축구멍(2a)을 형성하고, 또한 에어체크밸브(A)의 스프링(3)은 작은 충격에도 탄동할 수 있도록 매우 부드럽고 예민한 강선으로 형성하며, 또 에어체크밸브(A)의 단속밸브(4)는 테두리가 원형상으로 형성되어 걸림부(4a)를 형성하는 동시에 그 내측면은 중심으로 갈수록 점차 높아지는 경사면(4b)을 형성하고 그 중심부에는 상단 둘레면에 스넵링끼움홈(4e)을 가진 수직형 밸브축(4d)을 일체로 형성하며, 또 에어체크밸브(A)의 스넵링(5)은 탄성이 제공되는 강판으로 형성하되, 한쪽을 개방시켜서 그 내주연에는 걸림부를 형성하며, 또 에어체크밸브(A)의 밸브뚜껑(6)은 원방향을 따라 원형상의 내곡면(6a)을 형성하는 동시에 그 중심부에는 관통상의 작은 공기유입구멍(6b)을 형성한 후 순차적으로 결합 구성한다.1 and 3 are exploded perspective views showing the configuration of the air check valve (A) and the cross-sectional view of the combined state, wherein the structure of the air check valve (A) as shown in the perspective view in Figure 1, the air check The housing casing 1 of the valve A forms a curved jaw 1b at its upper inner circumference, and forms a locking jaw 1a of a constant width along the circumferential direction on the inner circumferential wall surface which is about the middle thereof. The threaded line 1d is formed on the wall of the inner circumference, and the valve housing 2 of the air check valve A forms a circular hollow portion whose center penetrates up and down, but forms a stepped portion inside the upper side thereof. The sliding shaft 2c is formed and the valve shaft hole 2a is formed, and the spring 3 of the air check valve A is formed of a very soft and sensitive steel wire so that it can be moved even with a small impact. The intermittent valve 4 of the valve A has a circular rim. A vertical valve shaft 4d having a snapping groove 4e formed on the upper circumferential surface of the inclined surface 4b, which is formed to form the engaging portion 4a and at the same time the inner side thereof gradually increases toward the center. And the snap ring (5) of the air check valve (A) is formed of a steel sheet provided with elasticity, and one side is opened to form a locking portion at the inner circumference thereof, and the air check valve (A) The valve lid 6 forms a circular inner curved surface 6a along the circular direction, and at the center thereof, a small through-air inlet 6b is formed in the center thereof, and is then sequentially configured.

결합하는 순서는 하우징케이싱(1)을 중심으로 먼저 밸브하우징(2)을 밸브하우징실(1c)에 삽입한 다음 이어서 단속밸브(4)의 밸브축(4d)을 하우징케이싱(1) 저면에서 상부로 향하게 끼우게되면 그 밸브축(4d)은 밸브하우징(2)의 중앙 밸브축구멍(2a)으로 끼워지게 된다.The joining sequence is to first insert the valve housing 2 into the valve housing chamber 1c around the housing casing 1, and then insert the valve shaft 4d of the intermittent valve 4 upward from the bottom of the housing casing 1. The valve shaft 4d is fitted into the central valve shaft hole 2a of the valve housing 2 when the valve shaft 4 is inserted in the direction of the valve housing 2.

아울러 상기 끼워진 밸브축(4d)과 밸브축구멍(2a)의 사이에는 일정한 공간이 형성되고 그 공간 즉, 상기의 밸브축(4d)에 스프링(3)을 외삽하게 되면 스프링(3)이 밸브축(4d)에 외삽되는 동시에 공간이 형성된 사이로 들어가서 스프링지지턱(2b)에 안착되는 상태가 된다.In addition, a constant space is formed between the fitted valve shaft 4d and the valve shaft hole 2a. When the spring 3 is extrapolated to the space, that is, the valve shaft 4d, the spring 3 is connected to the valve shaft. It is extrapolated to 4d and enters into the space formed, and it is in the state which rests on the spring support jaw 2b.

이어서 습동공간(2c)으로 솟아오른 밸브축(4d)의 상단 즉, 스넵링끼움홈(4e)에 스넵링(5)을 결합하게 되면 그 스넵링(5)에 의해 스프링(3)은 압축되는 동시에 그 스프링(3)의 압축력에 의해 단속밸브(4)가 도 3에 도시된 바와 같이 상측으로 바짝 올라붙으면서 걸림부(4a) 상면은 걸림턱(1a)의 저면에 밀착되는 동시에 단속밸브(4)의 개폐단속부(4c)가 밸브하우징(2)의 밸브축구멍(2a) 저면에 밀착되면서 그 구멍을 폐쇄시켜 주게 되며, 이어서 밸브뚜껑(6)을 하우징케이싱(1)의 상단둘레, 즉, 만곡턱(1b)에 일치시킨 상태에서 힘껏 누르게 되면 내곡면(6a)이 만곡턱(1b)과 일치되면서 압입되어 에어체크밸브(A)의 조립이 완료되며, 이렇게 조립이 완료된 에어체크밸브(A)는 식수통(B)의 보조입출구(B")의 뚜껑(도시없음)을 제거한 다음 나사선(1e)을 이용하여 결합하게되면 도 4에 예시한 바와 같이 식수통(B)을 기울여서 식수(C)를 배출시킬 때 그 식수(C)가 배출되면서 식수통(B) 내부에 진공력이 발생되고 그 진공력은 외부의 힘을 내부로 끌어당기는 힘으로 작용하게 되므로 결국 식수(C)가 배출될 때 발생되는 진공력은 스프링(3)의 탄성력보다 크게 작용하면서 단속밸브(4)를 잡아당기면서 폐쇄하고있는 밸브축구멍(2a)을 개방시켜 주게되며 따라서 상기 개방되는 밸브축구멍(2a)으로는 식수통(B) 외부의 공기가 식수통(B) 내부로 유입되므로 결국 외부의 공기 내부유입은 식수통(B)의 식수(C)가 안정된 상태에서 원활하게 배출될 수 있도록 돕게 된다.Subsequently, when the snap ring 5 is coupled to the upper end of the valve shaft 4d raised to the sliding space 2c, that is, the snap ring fitting groove 4e, the spring 3 is compressed by the snap ring 5. At the same time, the intermittent valve 4 is pushed upward by the compression force of the spring 3, and the upper surface of the engaging portion 4a is in close contact with the bottom of the engaging jaw 1a, and the 4) the closing and closing portion 4c closes to the bottom of the valve shaft hole 2a of the valve housing 2 and closes the hole. Then, the valve lid 6 is surrounded by the upper end of the housing casing 1, That is, when the force is pressed in the state coinciding with the curved jaw 1b, the inner curved surface 6a coincides with the curved jaw 1b and is press-fitted to complete the assembly of the air check valve A, thus completing the assembly of the air check valve. (A) removes the lid (not shown) of the auxiliary inlet and outlet (B ") of the drinking water bottle (B) and then combines using a screw thread (1e). As illustrated in 4, when drinking water C is discharged by tilting the drinking water bottle B, the drinking water C is discharged, and a vacuum force is generated inside the drinking water bottle B, and the vacuum force is applied to an external force. Since the vacuum force generated when the drinking water (C) is discharged is greater than the elastic force of the spring (3), the valve shaft hole (2a) is closed while pulling the intermittent valve (4). Therefore, since the air outside the drinking water tank B flows into the drinking water tank B into the opening of the valve shaft hole 2a, the inflow of the air outside the drinking water (B) C) helps to discharge smoothly in a stable state.

한편, 상술한 바와 같은 본 발명의 에어체크밸브(A)는 형편에 따라 그 규격을 소형화하여 도 6 내지 도 7 에 예시한 바와 같이 식수통(C)이나 음료수용기(D)를 사출 성형할 때 그 사출금형에 안착시켜서 동시사출이 가능하게 되는 것으로서 그 사용범위는 액체용기 모두에 해당되는 것이라 할 수 있다.On the other hand, the air check valve (A) of the present invention as described above when the injection molding the drinking water container (C) or beverage container (D) as shown in Figures 6 to 7 by miniaturizing the size according to the circumstances It is possible to perform simultaneous injection by being seated on the injection mold, and the range of use can be said to be applicable to all liquid containers.

상술한 바와 같은 본 발명은 식수통(B)의 식수(C)가 배출될 때 발생되는 진공력이 단속밸브(4)를 자동적으로 개방시켜 주는 동시에, 식수(C)를 배출시키지 아니 할 때에는 압축되있던 스프링(3)이 복원되면서 단속밸브(4)를 원위치 시켜주게 되므로 키면서 번거롭게 식수통(B)의 보조뚜껑을 여닫지 않고도 식수를 안정되고 원활하게 배출시킬 수 있게 되는 것으로서, 이와 같은 본 발명은 내용물에 따라 즉, 휘발성 및 위험성이 내제된 유류나 화학약품 등을 취급함에 있어서 취급상의 부주의 및 배출시의 낙수로 발생되기 쉬운 사고를 미연에 방지할 수 있게 됨과 동시에 상기와 같은 사고를 미연에 예방하므로서 얻어지는 이익을 제공할 수 있게 되는 매우 유용한 발명인 것이다.According to the present invention as described above, the vacuum force generated when the drinking water C of the drinking water container B is discharged automatically opens the intermittent valve 4 and is compressed when the drinking water C is not discharged. As the spring 3 is restored, the control valve 4 is returned to its original position so that the drinking water can be stably and smoothly discharged without opening and closing the auxiliary lid of the drinking water bottle B. According to the contents, that is, the handling of oils or chemicals, which are inherently volatile and dangerous, can prevent accidents that are likely to occur due to inadvertent handling and falling water during discharge, and at the same time, the above-mentioned accidents are not delayed. It is a very useful invention that can provide the benefits obtained by preventing.

Claims (1)

식수통(B)에 형성된 보조입출구(B")에 결합하여 식수(C)가 배출될 때 발생되는 진공력이 단속밸브(4)를 작동시켜서 밸브축구멍(2a)을 개방시켜 주며 식수(C)가 배출되지 아니할 때에는 진공력으로 단속밸브(4)에 의해 압축되어 있던 스프링(3)이 복원되면서 그 복원력이 단속밸브(4)를 원위치로 복귀시키는 작용이 가능하도록 하는 구조로서 걸림턱(1a)과 만곡턱(1b) 및 밸브하우징실(1c)을 가진 하우징케이싱(1)에 습동공간(2c) 및 밸브축구멍(2a)을 가진 밸브하우징(2)이 결합되고 또 걸림부(4a)를 비롯한 경사면(4d) 및 스넵링끼움홈(4e)이 형성되는 밸브축(4d)을 가진 단속밸브(4)가 결합되어 스프링(3)과 스넵링(5)으로 결합되며 원주연부의 내곡면(6a)과 중심부에 공기유입구멍(6b)이 형성된 밸브뚜껑(6)이 결합 구성됨을 특징으로 하는 식수통의 에어체크밸브.The vacuum force generated when the drinking water C is discharged by being coupled to the auxiliary inlet and outlet B ″ formed in the drinking water bottle B operates the intermittent valve 4 to open the valve shaft hole 2a. ) Is not discharged, the spring (3) compressed by the intermittent valve (4) by the vacuum force is restored while the restoring force is the structure to enable the action to return the intermittent valve (4) to its original position. ) And a valve housing (2) having a sliding space (2c) and a valve shaft hole (2a) are coupled to a housing casing (1) having a curved jaw (1b) and a valve housing chamber (1c). Including an inclined valve 4d having a valve shaft 4d on which an inclined surface 4d and a snap ring fitting groove 4e are formed are coupled to the spring 3 and the snap ring 5, and the inner curved surface of the circumferential edge thereof. (6a) and the air check valve of the drinking water, characterized in that the valve lid (6) formed with an air inlet hole (6b) formed in the center.
KR1019980044587A 1998-10-23 1998-10-23 Air check valve of potable water container KR20000026862A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101494557B1 (en) * 2011-08-02 2015-03-02 삼시우와이 시우 Retaining valve and liquid vessel
KR20220040002A (en) 2020-09-23 2022-03-30 정일웅 A Cap for liquid container with air check-valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101494557B1 (en) * 2011-08-02 2015-03-02 삼시우와이 시우 Retaining valve and liquid vessel
KR20220040002A (en) 2020-09-23 2022-03-30 정일웅 A Cap for liquid container with air check-valve

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