KR200445850Y1 - Fixing structure for gas cutoff apparatus - Google Patents

Fixing structure for gas cutoff apparatus

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Publication number
KR200445850Y1
KR200445850Y1 KR2020070013639U KR20070013639U KR200445850Y1 KR 200445850 Y1 KR200445850 Y1 KR 200445850Y1 KR 2020070013639 U KR2020070013639 U KR 2020070013639U KR 20070013639 U KR20070013639 U KR 20070013639U KR 200445850 Y1 KR200445850 Y1 KR 200445850Y1
Authority
KR
South Korea
Prior art keywords
circuit breaker
gas
gas circuit
valve
gas valve
Prior art date
Application number
KR2020070013639U
Other languages
Korean (ko)
Other versions
KR20090001649U (en
Inventor
서봉일
하영재
Original Assignee
서봉일
하영재
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Application filed by 서봉일, 하영재 filed Critical 서봉일
Priority to KR2020070013639U priority Critical patent/KR200445850Y1/en
Publication of KR20090001649U publication Critical patent/KR20090001649U/en
Application granted granted Critical
Publication of KR200445850Y1 publication Critical patent/KR200445850Y1/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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Housings (AREA)

Abstract

본 고안은 가스밸브에 설치되는 가스차단기의 결합구조를 개선하여 가스밸브와 가스차단기의 체결력을 향상시킴과 아울러 누구나 손쉽게 설치할 수 있는 가스차단기 결합구조를 제공할 목적이 있다.The object of the present invention is to improve the coupling structure of the gas circuit breaker installed in the gas valve to improve the fastening force of the gas valve and the gas circuit breaker, and to provide a gas circuit breaker coupling structure that can be easily installed by anyone.

상기 목적을 달성하기 위한 본 고안은 가스밸브의 전방과 후방에 설치되는 통상의 가스차단기에 있어서, 상기 가스차단기의 배면에 연장되며, 상하부에 연통공이 형성된 체결부와, 상기 연통공에 끼워져 상기 가스차단기의 노브삽입부에 가스밸브의 노브가 삽입되고, 상기 연통공에 끼워져 상기 가스밸브의 밸브몸체 배면에 밀착되게 지지홈이 형성된 지지부와, 상기 체결부의 단부측에 나사 체결되어, 상기 지지부의 배면을 가압하는 고정수단으로 구성된다.The present invention for achieving the above object is a conventional gas circuit breaker which is installed in the front and rear of the gas valve, extending to the back of the gas circuit breaker, the fastening portion is formed in the upper and lower communication holes, the communication hole is fitted into the gas The knob of the gas valve is inserted into the knob insertion part of the circuit breaker, the support part is formed in the communication hole to be in close contact with the back of the valve body of the gas valve, and is screwed to the end side of the fastening part. It consists of a fixing means for pressing the.

Description

가스차단기 결합구조{Fixing structure for gas cutoff apparatus}Fixing structure for gas cutoff apparatus

본 고안은 가스차단기 결합구조에 관한 것으로, 가스차단기의 결합구조를 개선하여 가스밸브에 설치되는 가스차단기의 결속력을 배가시킴과 아울러 누구나 손쉽게 설치가능한 가스차단기 결합구조에 관한 것이다.The present invention relates to a gas circuit breaker coupling structure, to improve the coupling structure of the gas circuit breaker to double the binding force of the gas circuit breaker installed in the gas valve, and to a gas circuit breaker coupling structure that anyone can easily install.

도 1 및 도 2에 도시된 바와 같이, 종래의 가스차단기(1)와 가스밸브(2)의 결합구조를 간략하게 설명하면, 가스차단기(1)는 몸체(2)가 구비되고, 이 몸체(1)의 노브삽입부(4)에 노브(9)가 삽입된 가스밸브(7)로 이루어지며, 이 가스밸브(7)의 배면을 감싸며, 상기 몸체(2)에 나사 체결되는 결합부(3)로 이루어진다.1 and 2, a brief description will be made of the conventional structure of the gas circuit breaker 1 and the gas valve 2, the gas circuit breaker 1 is provided with a body (2), the body ( It consists of a gas valve (7) in which the knob (9) is inserted into the knob insertion portion (4) of 1), surrounding the back of the gas valve (7), the coupling portion (3) screwed to the body (2) )

여기서 상기 몸체(2)는 양측에 관통공(5)이 형성되고, 이 관통공(5)에 대응되게 너트부재(6)가 매립되게 결합부(3)가 구비된다.Here, the body 2 has a through hole 5 formed at both sides thereof, and a coupling part 3 is provided such that the nut member 6 is embedded to correspond to the through hole 5.

이와 같이, 종래의 가스차단기(1)는 전체적인 구조가 복잡하여, 제품원가가 상승되는 문제점이 있으며, 그리고 상기 몸체(2)와 결합부(3)가 고정수단에 의해 체결되는 구조로서, 별도의 수동공구 등이 요구됨에 따라 누구나 손쉽게 가스밸브(7)에 가스차단기(1)를 설치하기 어려운 점이 있었다.As such, the conventional gas circuit breaker 1 has a problem in that the overall structure is complicated, and the cost of the product is increased, and the body 2 and the coupling part 3 are fastened by fixing means. As a manual tool is required, it was difficult for anyone to easily install the gas circuit breaker 1 in the gas valve 7.

도 2에 도시된 바와 같이, 상기 가스밸브(7)의 너트부(8)가 상기 몸체(2)와 결합부(3)에 의해 고정된 상태에서, 상기 가스밸브(7)와 가스차단기(1)에 전달되는 외부충격에 의해 상기 몸체(2)와 결합부(3)가 이격되어, 상기 몸체(2)의 노브삽입부(4)와 가스밸브(7)의 노브(9) 사이에 톰새가 발생됨에 따라 상기 가스차단기(1)의 동작에 의해 가스밸브(7)의 오작동이 발생되는 문제점이 있었다.As shown in FIG. 2, in the state where the nut part 8 of the gas valve 7 is fixed by the body 2 and the coupling part 3, the gas valve 7 and the gas circuit breaker 1 are fixed. The body 2 and the coupling part 3 are spaced apart by an external shock transmitted to the body, so that a tom bird is formed between the knob insertion part 4 of the body 2 and the knob 9 of the gas valve 7. There was a problem that the malfunction of the gas valve 7 is generated by the operation of the gas circuit breaker (1).

상기의 문제점을 해결하기 위한 본 고안은 가스밸브에 설치되는 가스차단기의 결합구조를 개선하여 가스밸브와 가스차단기의 체결력을 향상시킴과 아울러 누구나 손쉽게 설치할 수 있는 가스차단기 결합구조를 제공할 목적이 있다.The present invention for solving the above problems is to improve the coupling structure of the gas circuit breaker installed in the gas valve to improve the fastening force between the gas valve and the gas circuit breaker and to provide a gas circuit breaker coupling structure that can be easily installed by anyone. .

상기 목적을 달성하기 위한 본 고안은 가스밸브의 전방과 후방에 설치되는 통상의 가스차단기에 있어서, 상기 가스차단기의 배면에 연장되며, 상하부에 연통공이 형성된 체결부와, 상기 연통공에 끼워져 상기 가스차단기의 노브삽입부에 가스밸브의 노브가 삽입되고, 상기 연통공에 끼워져 상기 가스밸브의 밸브몸체 배면에 밀착되게 지지홈이 형성된 지지부와, 상기 체결부의 단부측에 나사 체결되어, 상기 지지부의 배면을 가압하는 고정수단으로 구성된다.The present invention for achieving the above object is a conventional gas circuit breaker which is installed in the front and rear of the gas valve, extending to the back of the gas circuit breaker, the fastening portion is formed in the upper and lower communication holes, the communication hole is fitted into the gas The knob of the gas valve is inserted into the knob insertion part of the circuit breaker, the support part is formed in the communication hole to be in close contact with the back of the valve body of the gas valve, and is screwed to the end side of the fastening part. It consists of a fixing means for pressing the.

따라서, 본 고안의 가스차단기를 가스밸브의 전방에서 끼워고 후방에서 너트 결합하는 구조로, 가스차단기를 누구나 손쉽게 설치함과 아울러 조립과정에서 가스밸브의 후방을 견고하게 고정하는 지지부가 구비되어, 가스밸브에 가스차단기의 체결력을 향상시킬 수 있는 효과가 있다.Therefore, the gas circuit breaker of the present invention is inserted into the front of the gas valve and the nut is coupled from the rear, anyone can easily install the gas circuit breaker and the support is provided to securely secure the rear of the gas valve during the assembly process, the gas The valve has an effect of improving the tightening force of the gas circuit breaker.

도 1은 종래의 가스차단기와 가스밸브의 분해사시도,1 is an exploded perspective view of a conventional gas circuit breaker and a gas valve,

도 2는 종래의 가스차단기와 가스밸브의 결합된 사시도,2 is a combined perspective view of a conventional gas blocker and a gas valve,

도 3은 본 고안에 따른 가스차단기와 가스밸브의 분해사시도,3 is an exploded perspective view of a gas circuit breaker and a gas valve according to the present invention;

도 4는 본 고안에 따른 가스차단기와 가스밸브의 종단면도,4 is a longitudinal sectional view of a gas circuit breaker and a gas valve according to the present invention;

도 5는 본 고안에 따른 가스차단기와 가스밸브의 다른실시예를 보인 단면도.5 is a cross-sectional view showing another embodiment of a gas circuit breaker and a gas valve according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

10: 가스차단기 11: 몸체10: gas circuit breaker 11: body

12: 노브삽입부 14: 체결부12: knob insertion part 14: fastening part

15: 연통공 16: 지지부15: communication hole 16: support

17: 지지판 18: 연장편17: support plate 18: extension

19: 지지홈 20: 고정수단19: support groove 20: fixing means

30: 가스밸브 31: 밸브몸체30: gas valve 31: valve body

32: 노브 40: 탄성편32: knob 40: elastic piece

이하, 첨부한 도면을 참조하여 본 고안을 좀더 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 3은 본 고안에 따른 가스차단기와 가스밸브의 분해사시도이고, 도 4는 본 고안에 따른 가스차단기와 가스밸브를 보인 단면도이며, 도 5는 본 고안에 따른 가스차단기와 가스밸브의 다른실시예를 보인 단면도이다.3 is an exploded perspective view of a gas circuit breaker and a gas valve according to the present invention, FIG. 4 is a cross-sectional view illustrating a gas circuit breaker and a gas valve according to the present invention, and FIG. 5 is another embodiment of the gas circuit breaker and the gas valve according to the present invention. It is a cross-sectional view.

도 3내지 도 4에 도시된 바와 같이, 통상의 가스차단기는 몸체(11)의 배면에 노브삽입부(12)가 구비되고, 도면상에 표기되지 않은 타이머 기능에 의해 일정시간이 지나면 직접 가스밸브(30)를 잠그지 않아도 자동으로 가스밸브(30)가 잠겨지는 것이다.3 to 4, the conventional gas circuit breaker is provided with a knob insertion portion 12 on the back of the body 11, the gas valve directly after a predetermined time by a timer function not shown in the figure Gas valve 30 is automatically locked even without locking (30).

여기서 상기 가스밸브(30)는 밸브몸체(31)와, 이 밸브몸체(31)의 회동가능하게 설치되며, 가스의 개폐를 유도하는 노브(32)로 이루어진다.The gas valve 30 is provided with a valve body 31, the knob 32 to be rotatable of the valve body 31, to guide the opening and closing of the gas.

이와 같이, 본 고안의 가스차단기 결합구조는 몸체(11)의 배면에 체결부(14)가 연장되고, 상기 체결부(14)에 끼워져 상기 가스밸브(30)의 원통형 배면을 고정하는 지지부(16)와, 상기 체결부(14)의 전방에 나사 체결되어, 상기 지지편(17)의 배면을 가압하는 고정수단(20)으로 구성된다.As described above, the gas circuit breaker coupling structure according to the present invention includes a fastening part 14 extending to the rear surface of the body 11, and a support part 16 fitted to the fastening part 14 to fix the cylindrical back surface of the gas valve 30. ) And fastening means 20 which are screwed to the front of the fastening part 14 to press the back surface of the support piece 17.

상기 체결부(14)는 내부에 수용공간을 가지며, 상하부에 연통공(15)이형성되고, 전방 외주면에 나사 결합가능하게 형성된다.The fastening part 14 has a receiving space therein, the communication hole 15 is formed in the upper and lower parts, is formed to be screwed to the front outer peripheral surface.

상기 지지부(16)는 체결부(14)의 내주면에 끼워지는 지지편(17)과, 이 지지편(17)의 상하부에 돌출된 연장편(18)과, 상기 가스밸브(30)의 밸브몸체(31) 외주면을 감싸는 지지홈(19)이 형성된다.The support portion 16 includes a support piece 17 fitted to the inner circumferential surface of the fastening portion 14, an extension piece 18 protruding from the upper and lower portions of the support piece 17, and a valve body of the gas valve 30. (31) A support groove 19 is formed surrounding the outer circumferential surface.

그리고 상기 지지부(16)는 고무 또는 합성수지재로 이루어져, 상기 밸브몸체(31)의 외주면을 한층 더 견고하게 고정할 수 있는 것이다.And the support 16 is made of a rubber or synthetic resin, it is possible to more firmly fix the outer peripheral surface of the valve body 31.

상기 고정수단(20)은 내주면이 체결부(14)에 나사결합가능하며, 외주면은 사각, 육각, 팔각 형상 또는 원형으로 구비될 수 있다.The fixing means 20 may be screwed into the inner peripheral surface fastening portion 14, the outer peripheral surface may be provided in a square, hexagon, octagonal shape or circular.

상기에서 설명한 바와 같이, 본 고안은 가스차단기 결합구조의 작용을 설명하면, 가스밸브(30)의 전방에 체결부(14)의 연통공(15)을 따라 가스차단기(10)의 몸체(11)를 결합하면, 상기 몸체(11)의 노브삽입부(12)에 가스밸브(30)의 노브(32)가 삽입된 상태로 배치되고, 이어서 상기 체결부(14)에 지지부(16)를 끼우면, 상기 가스밸브(30)의 밸브몸체(31) 외주면에 지지홈(19)이 근접된 상태가 되고, 이어, 상기 체결부(14)의 단부측에 나사 체결된 고정수단(20)을 조이면, 먼저 상기 지지부(16)의 연장편(18)을 밀면서 전진되고, 상기 지지부(16)의 지지홈(19)이 밸브몸체(31)의 외주면을 가압하게 되어, 상기 가스밸브(30)의 노브(32)가 가스차단기(10)의 노브삽입부(12)에 밀착,고정된다.As described above, the present invention describes the operation of the gas circuit breaker coupling structure, the body 11 of the gas circuit breaker 10 along the communication hole 15 of the fastening portion 14 in front of the gas valve 30 When coupled to the knob insertion portion 12 of the body 11 is disposed in the state that the knob 32 of the gas valve 30 is inserted, and then inserting the support portion 16 to the fastening portion 14, The support groove 19 is brought into close proximity to the outer circumferential surface of the valve body 31 of the gas valve 30, and then, when the fastening means 20 screwed to the end side of the fastening part 14 is tightened, Advancing while pushing the extension piece 18 of the support 16, the support groove 19 of the support 16 presses the outer peripheral surface of the valve body 31, the knob 32 of the gas valve 30 ) Is tightly fixed to the knob insert 12 of the gas circuit breaker 10.

이와 같이, 상기 고정수단(20)의 전진에 따라 상기 가스밸브(30)의 외주면을 지지부(16)가 가압하는 구조로, 상기 가스밸브(30)의 체결력을 향상시킬 수 있는 것이다.In this way, the support unit 16 presses the outer circumferential surface of the gas valve 30 as the fixing means 20 advances, thereby improving the fastening force of the gas valve 30.

그리고 상기 가스밸브(30)에 가스차단기(10)를 설치함에 있어, 가스밸브(30)의 전방에 가스차단기(10)의 체결부(14)에 결합하고, 후방에서 상기 고정수단(20)을 조여서 체결하는 구조로 누구나 손쉽게 가스차단기(10)를 설치할 수 있는 것이다.In the installation of the gas circuit breaker 10 in the gas valve 30, the gas valve 30 is coupled to the fastening portion 14 of the gas circuit breaker 10 in front of the gas valve 30, and the fixing means 20 is connected to the rear of the gas valve 30. Anyone can easily install the gas circuit breaker 10 by tightening the structure.

도 5에 도시된 바와 같이, 본 고안의 가스차단기(10)는 상기에서 중복된 설명은 하지 않으며, 상기 노브삽입부(12)의 내주면에 나사 또는 볼트 등에 의해 탄성편(40)이 체결된다.As shown in FIG. 5, the gas circuit breaker 10 of the present invention does not have a redundant description above, and the elastic piece 40 is fastened to the inner circumferential surface of the knob insert 12 by screws or bolts.

상기 탄성편(40)은 단면이 대략 " ㄷ " 자 형상으로 이루어지며, 내측으로 절곡,연장되게 형성된다.The elastic piece 40 has a cross-section having a substantially "c" shape and is bent and extended inwardly.

여기서 상기 탄성편(40)은 상기 노브삽입부(12)의 내주면에 가스밸브(30)의 노브(32)를 삽입시키면, 상기 탄성편(40)이 벌어지면서 상기 노브(32)의 외주면을 탄성지지하는 것이다.Here, the elastic piece 40 is inserted into the inner circumferential surface of the knob insert 12, the knob 32 of the gas valve 30, the elastic piece 40 is opened and the outer circumferential surface of the knob 32 is elastic I support it.

이와 같이, 상기 탄성편(40)이 노브(32)의 외주면을 밀착,고정시킴에 따라 상기 노브삽입부(12)의 동작에 의해 상기 노브(32)의 회전력 전달이 정확하게 이루어져 가스밸브(30)의 오작동을 최소화할 수 있는 것이다.As such, as the elastic piece 40 closely contacts and fixes the outer circumferential surface of the knob 32, the rotational force transmission of the knob 32 is accurately performed by the operation of the knob insert 12, so that the gas valve 30 is provided. This can minimize malfunctions.

이상에서는 본 고안의 도면에 의거하여 설명하였으나, 본 고안의 목적, 구성, 효과를 벗어나지 않는 범위 내에서 당해 고안이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변경실시가 가능할 것이다.In the above description based on the drawings of the present invention, various modifications may be made by those skilled in the art to which the present invention pertains without departing from the object, configuration, and effects of the present invention.

Claims (3)

가스밸브(30)의 전방과 후방에 설치되는 통상의 가스차단기에 있어서,In a normal gas circuit breaker provided at the front and rear of the gas valve 30, 가스차단기(10)의 몸체(11) 배면에 연장되며, 상하부에 연통공(15)이 형성된 체결부(14)와,A fastening part 14 extending on a rear surface of the body 11 of the gas circuit breaker 10 and having a communication hole 15 formed at an upper and lower part thereof; 상기 연통공(15)에 끼워져 상기 가스차단기(10)의 노브삽입부(12)에 가스밸브(30)의 노브(32)가 삽입되고,The knob 32 of the gas valve 30 is inserted into the communication hole 15 and inserted into the knob insertion portion 12 of the gas circuit breaker 10. 상기 연통공(15)에 끼워져 상기 가스밸브(30)의 밸브몸체(31) 배면에 밀착되게 지지홈(19)이 형성된 지지부(16)와,A support part 16 inserted into the communication hole 15 and having a support groove 19 formed in close contact with a rear surface of the valve body 31 of the gas valve 30; 상기 체결부(14)의 단부측에 나사 체결되어, 상기 지지부(16)의 배면을 고정하는 고정수단(20)으로 구성된 것을 특징으로 하는 가스차단기 결합구조.Gas fastener coupling structure characterized in that the screw is fastened to the end side of the fastening portion 14, the fixing means 20 for fixing the back surface of the support (16). 제1항에 있어서,The method of claim 1, 상기 지지부(16)는 체결부(14)의 내주면에 끼워지는 지지편(17)과, 이 지지편(17)의 상하부에 돌출된 연장편(18)과, 상기 지지편(17)과 연장편(18)의 일측면에는 밸브몸체(31)의 배면에 밀착,고정되는 지지홈(19)이 형성된 것을 특징으로 하는 가스차단기 결합구조.The support portion 16 includes a support piece 17 fitted to the inner circumferential surface of the fastening portion 14, an extension piece 18 protruding from the upper and lower portions of the support piece 17, the support piece 17 and the extension piece. One side of the 18 is a gas circuit breaker coupling structure, characterized in that the support groove 19 is formed in close contact with the back of the valve body 31 is fixed. 제1항에 있어서,The method of claim 1, 상기 가스차단기(10)의 노브삽입부(12) 내주면에 설치되며, 상기 가스밸브(30)의 노브(32)를 고정하는 탄성편(40)이 더 포함되며, 상기 탄성편(40)은 " ㄷ " 자 형상을 가지며, 양단부에 내측으로 절곡, 연장된 것을 특징으로 하는 가스차단기 결합구조.Is installed on the inner peripheral surface of the knob insertion portion 12 of the gas circuit breaker 10, and further includes an elastic piece 40 for fixing the knob 32 of the gas valve 30, the elastic piece 40 is " ㄷ "has a shape, and the gas circuit breaker coupling structure characterized in that it is bent and extended inward at both ends.
KR2020070013639U 2007-08-17 2007-08-17 Fixing structure for gas cutoff apparatus KR200445850Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015115719A1 (en) * 2014-01-28 2015-08-06 최범석 Valve assembly

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
KR102595752B1 (en) * 2022-04-15 2023-10-30 주식회사 라맥스 Valve safety case

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JPS5846279A (en) * 1981-09-14 1983-03-17 Matsushita Electric Works Ltd Gas stopper
US4422314A (en) * 1981-03-13 1983-12-27 Cooper Wilbur H Lock for a fuel line valve
KR20050078174A (en) * 2004-02-13 2005-08-04 김정섭 Gas-blast circuit-breaker
KR200404127Y1 (en) * 2005-10-05 2005-12-19 한라정밀 주식회사 Device for joining fuse-cock of a auto-gas closing device

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Publication number Priority date Publication date Assignee Title
US4422314A (en) * 1981-03-13 1983-12-27 Cooper Wilbur H Lock for a fuel line valve
JPS5846279A (en) * 1981-09-14 1983-03-17 Matsushita Electric Works Ltd Gas stopper
KR20050078174A (en) * 2004-02-13 2005-08-04 김정섭 Gas-blast circuit-breaker
KR200404127Y1 (en) * 2005-10-05 2005-12-19 한라정밀 주식회사 Device for joining fuse-cock of a auto-gas closing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015115719A1 (en) * 2014-01-28 2015-08-06 최범석 Valve assembly

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