KR20020019741A - A waste device of gas tank - Google Patents

A waste device of gas tank Download PDF

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Publication number
KR20020019741A
KR20020019741A KR1020000052763A KR20000052763A KR20020019741A KR 20020019741 A KR20020019741 A KR 20020019741A KR 1020000052763 A KR1020000052763 A KR 1020000052763A KR 20000052763 A KR20000052763 A KR 20000052763A KR 20020019741 A KR20020019741 A KR 20020019741A
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KR
South Korea
Prior art keywords
gas
gas container
unit
container
hole
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Application number
KR1020000052763A
Other languages
Korean (ko)
Inventor
권향숙
Original Assignee
권향숙
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Application filed by 권향숙 filed Critical 권향숙
Priority to KR1020000052763A priority Critical patent/KR20020019741A/en
Publication of KR20020019741A publication Critical patent/KR20020019741A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion

Abstract

PURPOSE: A gas vessel disusing device is provided to safely and exactly form a disuse hole on a lower portion of the gas vessel by transferring outer pressure into a penetrating unit. CONSTITUTION: A gas vessel disusing device comprises a connecting groove(11) combined to a lower frame of a gas vessel(1); an exhaust hole(12) discharging gas by being mounted on a surface of the connecting groove; plural combining units(10) installed on a specific position of the exhaust hole; a penetrating unit(20) penetrating a lower side of the gas vessel through outer pressure by being installed on a middle upper portion of the combining unit; a pestle unit(30) protruded on a lower portion of the combining unit; a bolt unit(21) formed on a lower portion of the penetrating unit; and a nut(31) arranged on a side of the pestle unit by corresponding to the bolt of the penetrating unit. Thereby, the gas vessel-disusing device safely and exactly forms a waste hole on the lower portion of the gas vessel.

Description

가스용기 폐기장치{A WASTE DEVICE OF GAS TANK}Gas Container Disposal Equipment {A WASTE DEVICE OF GAS TANK}

본 발명은 가스용기 폐기장치에 관한 것으로서, 더 상세하게는 가스용기를 폐기할 때 안전을 위하여 구멍을 뚫어 그 내부에 남아 있는 가스를 제거하게 되는데, 구멍을 뚫는데 있어서 보다 안전하고 용이하도록 한 가스용기의 폐기구멍 성형장치에 관한 것이다.The present invention relates to a gas container disposal apparatus, and more particularly, when the gas container is disposed, a hole is removed for safety, and gas remaining therein is removed, and a gas made safer and easier in drilling. A waste hole forming apparatus for a container.

음식점이나 야외에서는 음식물을 조리하기 위해서 휴대용 가스레인지를 사용하는데, 여기에 사용되는 연료인 부탄가스는 휴대용 가스용기에 충전된 상태에서 필요시 안전장치를 통하여 공급된다.In a restaurant or outdoors, a portable gas stove is used for cooking food. Butane gas, which is used for fuel, is supplied through a safety device when necessary in a state filled with a portable gas container.

이 가스용기는 진공상태로 내부에 부탄 가스가 충전되며, 휴대용 가스레인지에 설치되어 음식물을 조리할 때 필요에 따라 가스레인지의 레바를 조절하여 배출 양을 조절할 수 있다.The gas container is filled with butane gas in a vacuum state, and is installed in a portable gas range so that the amount of discharge can be controlled by adjusting the lever of the gas range as needed when cooking food.

상기와 같이 부탄 가스가 충전된 용기는 대략 1-2시간을 사용하면 그 내부에 가스가 소량 잔존하거나, 소진되어 폐기 처분하게 된다.As described above, when the butane gas-filled container is used for about 1-2 hours, a small amount of gas remains in the inside of the container, or it is used up and disposed of.

이때, 소량의 가스가 남아 있는 가스용기는 사용하는데 있어서 그 내부에 압력이 저하된 상태이므로 간이용 가스레인지에 처음과 같은 화력을 제공하지 못하여 그냥 폐기 처분하기도 한다.At this time, since the gas container in which a small amount of gas remains, the pressure is lowered in the inside thereof, and thus, a simple gas range cannot be provided to the simple gas range, so it may be discarded.

이와 같은 상태로 폐기 처분되는 가스용기는 그 내부에 가스가 잔존하고 있기 때문에 폐기 처분 과정에서 폭발 등의 위험이 있으며, 또 전량의 가스가 소진된 가스 용기라 하여도 그 내부에 소량의 가스가 남아 있는 상태이기 때문에 위험하기는 마찬가지이다.Gas containers that are disposed of in this state may be exploded in the process of disposal because there is gas remaining therein, and even a small amount of gas remains in the container even if the gas is exhausted. It is dangerous because it is.

따라서, 가스용기는 폐기 처분할 때 폭발 및 화재의 위험성을 제거한 후 폐기 처분한다. 즉, 위험 요소인 가스용기 내부에 잔존하는 가스의 제거하기 위하여 가스용기에 구멍을 뚫는 것이다.Therefore, the gas container is disposed of after disposal of the risk of explosion and fire. That is, in order to remove the gas remaining inside the gas container which is a risk factor, a hole is made in the gas container.

일반적으로 종래 가스용기에 구멍을 뚫는 작업은 날카로운 모서리에 용기를 내리쳐 구멍을 뚫거나, 천공 및 못 등을 용기에 대고 망치로 쳐서 구멍을 뚫은 후 폐기 처분하였다.In general, the operation of drilling a hole in a conventional gas container was discarded after drilling the hole by dropping the container at a sharp edge, or by punching the hole with a hammer against the container with holes and nails.

그러나 이와 같은 방법은 용기를 안정적으로 지지한 상태에서 구멍을 뚫는 것이 아니라 폐기 구멍의 성형이 용이하지 않으며, 취급 부주의로 인한 폭발의 위험성이 있고, 또한 매우 번거롭다.However, such a method is not easy to form the waste hole without drilling a hole while stably supporting the container, there is a risk of explosion due to careless handling, and also very troublesome.

또, 구멍이 성형이 확실하지 않아 폭발의 위험성을 가지고 그냥 폐기 처분하게 되기도 한다.In addition, the hole may not be molded well and may be disposed of simply because of the risk of explosion.

본 발명은 상기한 제반 문제점을 감안하여 가스 용기의 폐기 처분 시 안전을 위하여 용기에 성형하는 구멍을 보다 용이하고, 확실하게 성형할 수 있도록 가스용기의 저면에 착용되는 결합부 중앙 상면에 구멍을 성형할 수 있는 천공을 일부 매설한 상태로 돌출 설치하여 외압에 의하여 천공이 용기의 저면에 구멍을 성형할 수 있도록 한 폐기구멍 성형 장치를 발명하게 된 것이다.In view of the above-mentioned problems, the present invention forms a hole in the upper surface of the center of the coupling portion worn on the bottom surface of the gas container so that the hole formed in the container can be more easily and reliably formed for safety during disposal of the gas container. The present invention provides a waste hole forming apparatus in which a perforation can be formed in a state in which the perforation is partially embedded so that the perforation can be formed in the bottom of the container by external pressure.

본 발명의 목적은 사용한 가스용기의 폐기 처분 시 안전을 위하여 성형하는 폐기 구멍을 보다 용이하고, 확실하게 성형할 수 있도록 한 휴대용 가스레인지용 가스용기 폐기장치를 제공하는 데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a gas container disposal apparatus for a portable gas range, which makes it possible to more easily and reliably mold a waste hole that is molded for safety during disposal of a used gas container.

상기 목적을 효과적으로 달성하기 위한 본 발명은 가스 용기의 저면 테두리에 체결되도록 그와 상응하는 형태의 체결홈을 구비하고, 그 표면에는 가스가 원활하게 배출되는 배출공이 소정의 위치에는 복수개 형성된 결합부와; 상기 결합부의중앙 상면에 설치되어 외압에 의하여 가스 용기의 저면을 뚫을 수 있도록 한 천공부와; 상기 천공부에 외압이 전달되도록 일부가 천공부의 저면에 삽입된 상태로 길이 조절이 가능한 상태로 결합부 저면에 돌출되는 공이부로 구성된다.The present invention for effectively achieving the above object is provided with a fastening groove corresponding to the shape to be fastened to the bottom rim of the gas container, the surface has a plurality of coupling portions formed in a plurality of discharge holes for a smooth discharge of the gas and a predetermined position; ; A perforation part installed at the center upper surface of the coupling part to penetrate the bottom of the gas container by external pressure; It consists of a ball protruding to the bottom of the coupling portion in a state capable of length adjustment in a state in which a portion is inserted into the bottom of the perforation portion so that the external pressure is transmitted to the perforation portion.

도 1 은 본 발명의 구성상태를 보인 분해 사시도.1 is an exploded perspective view showing a configuration of the present invention.

도 2 는 본 발명의 구성상태를 보인 일부절결 측 단면도.Figure 2 is a partially cutaway side cross-sectional view showing a configuration of the present invention.

도 3 은 본 발명의 결합상태를 보인 일부절결 측 단면도.Figure 3 is a partially cutaway side cross-sectional view showing a combined state of the present invention.

도 4 는 본 발명의 실시예를 보인 일부절결 측 단면도.Figure 4 is a partially cutaway side cross-sectional view showing an embodiment of the present invention.

도 5 는 본 발명의 다른 실시예를 보인 일부 절결 측 단면도.5 is a partially cutaway side cross-sectional view showing another embodiment of the present invention.

*도면의 주요부분에 대한 부호설명** Description of Signs of Main Parts of Drawings *

1 - 가스용기 10 - 결합부 11 - 체결홈1-Gas container 10-Coupling part 11-Fastening groove

12 - 배출공 20 - 천공부 21 - 수나사부12-Hole 20-Hole 21-Male thread

30 - 공이부 31 - 암나사부 32 - 타격면30-Ball part 31-Female thread 32-Strike face

이하 본 발명의 바람직한 실시예를 첨부되는 도면에 의거 상세히 설명하면 다음과 같다.Hereinafter, described in detail with reference to the accompanying drawings, preferred embodiments of the present invention.

도1은 본 발명인 폐기구멍의 성형장치의 설치상태를 보인 분해사시도로서, 본 발명의 구성은 가스용기(1)의 저면 테두리에 체결되도록 그와 상응하는 형태의 체결홈(11)을 구비하고, 그 표면에는 가스가 원활하게 배출되는 배출공(12)이 소정의 위치에는 복수개 형성된 결합부(10)와; 상기 결합부(10)의 중앙 상면에 설치되어 외압에 의하여 가스 용기의 저면을 뚫을 수 있도록 한 천공부(20)와; 상기 천공부(20)에 외압이 전달되도록 일부가 천공부(20)의 저면에 삽입된 상태로 길이 조절이 가능한 상태로 결합부(10) 저면에 돌출되는 공이부(30)로 구성된다.1 is an exploded perspective view showing the installation state of the forming apparatus of the waste hole of the present invention, the configuration of the present invention is provided with a fastening groove 11 of a corresponding shape so as to be fastened to the bottom edge of the gas container (1), A coupling part 10 having a plurality of discharge holes 12 formed at a predetermined position on the surface thereof to smoothly discharge the gas; A perforation part 20 installed on the center upper surface of the coupling part 10 so as to penetrate the bottom of the gas container by external pressure; Consists of a ball portion 30 protruding to the bottom surface of the coupling portion 10 in a state in which the length is adjustable in a state in which a part is inserted into the bottom surface of the perforation portion 20 so that the external pressure is transmitted to the perforation portion 20.

상기 결합부(10)는 탄성을 함유하고 있는 비교적 연질의 재질로 가스용기의 저면 테두리에 밀착 체결되도록 그와 상응하는 형태의 체결홈(11)이 상부면 테두리에 형성된다.The coupling part 10 is a relatively soft material containing elasticity, and a fastening groove 11 having a corresponding shape is formed on the upper edge so as to be tightly coupled to the bottom edge of the gas container.

또한, 표면 소정위치에는 가스용기 저면에 폐기 구멍을 성형한 후 배출되는 가스가 결합부(10)에 의하여 간섭되지 않고 원활하게 배출되도록 배출공(12)이 복수개 형성된다.In addition, a plurality of discharge holes 12 are formed at a predetermined position on the surface of the gas container so that the discharged gas is smoothly discharged without being interfered by the coupling part 10.

상기 천공부(20)는 외압에 의하여 가스용기(1)의 저면을 뚫을 수 있도록 금속재질로 이루어지며, 일부가 결합부(10)의 중앙에 매설된 상태에서 상면으로 돌출되도록 설치되고, 저면에는 소정깊이의 수나사부(21)가 형성되는데, 이 수나사부는 결합부(10)의 저면에 노출되어 있다.The perforation part 20 is made of a metal material so as to penetrate the bottom surface of the gas container 1 by an external pressure, a part is installed to protrude to the upper surface in the state buried in the center of the coupling portion 10, the bottom A male screw portion 21 having a predetermined depth is formed, which is exposed on the bottom surface of the engaging portion 10.

상기 공이부(30)는 천공부(20)의 수나사부(21)에 상응하는 암나사부(31)가 일측에 형성되어 나사결합되며, 타측에는 외압에 의한 타격이 용이하도록 타격면(32)이 구비된다.The ball part 30 is a female thread portion 31 corresponding to the male screw portion 21 of the punched portion 20 is formed and screwed on one side, the other side hitting surface 32 to facilitate the blow due to external pressure It is provided.

도 3은 본 발명인 가스용기의 폐기구멍 성형장치가 가스용기에 체결된 상태를 도시한 것으로, 결합부(10)의 상면 테두리에 구비된 체결홈(11)에 의하여 가스용기(1)의 저면 테두리가 결합부(10)에 밀착 결합되며, 결합부의 상면에 일부가 매설된 상태로 돌출되도록 설치한 천공부(20)의 선단은 가스용기(1)의 저면에 밀착된다.3 is a view illustrating a state in which a waste hole forming apparatus of a gas container according to the present invention is fastened to a gas container. The bottom edge of the gas container 1 is provided by a fastening groove 11 provided at the upper edge of the coupling part 10. Is tightly coupled to the coupling portion 10, the tip of the perforated portion 20 is installed so as to protrude in a state buried in the upper surface of the coupling portion is in close contact with the bottom surface of the gas container (1).

그리고, 공이부(30)는 암나사부(31)가 결합부(10)의 저면에 노출되도록 형성된 천공부(20)의 저면 수나사부(21)에 나사 결합되어 설치된다.And, the ball portion 30 is screwed to the bottom male screw portion 21 of the drilling portion 20 formed so that the female screw portion 31 is exposed to the bottom surface of the coupling portion 10 is installed.

이와 같이 결합된 가스용기 폐기구멍 성형장치는 가스용기의 저면에 체결된 상태에서 가스용기를 손으로 파지한 후 공이부(30)에 외압이 가해지도록 가스용기를 내려침으로서 공이부(30)에 가해진 외압에 의하여 천공부(20)의 선단이 가스용기의 저면에 폐기구멍을 성형하게 되는 것이다.The combined gas container waste hole forming apparatus is gripped by the gas container so that the external pressure is applied to the ball part 30 by holding the gas container by hand while being fastened to the bottom surface of the gas container. By the external pressure applied, the tip of the perforated portion 20 forms a waste hole in the bottom surface of the gas container.

이때, 상기 공이부(30)는 도 3에 도시된 바와 같이 천공부(20)의 수나사부(21)에 완전히 결합되면 공이부(30)의 타격면(32)이 결합부(10)의 저면 수평선상에 함몰된 상태가 되므로, 이 상태로 가스용기(1)의 저면에 폐기 구멍을 성형하려면 도 4에 도시된 바와 같이 모서리 부분에 타격면(32)을 타격하여 외압이 발생되도록 하여 폐기 구멍을 성형하게 된다.At this time, when the ball portion 30 is fully coupled to the male screw portion 21 of the punching portion 20 as shown in Figure 3 the impact surface 32 of the ball portion 30 is the bottom surface of the coupling portion 10 Since it is in a state of being recessed on the horizontal line, in order to form a waste hole in the bottom surface of the gas container 1 in this state as shown in Figure 4 by hitting the striking surface 32 in the corner portion to generate an external pressure waste hole Will be molded.

그리고, 상기 공이부(30)를 도 5에 도시된 바와 같이 천공부(20)의 수나사부(21)에서 소정길이 만큼 돌출 되도록 체결하면 공이부(30)의 타격면(32)은 결합부(10)의 저면 수평선상 보다 돌출 되므로, 이 상태에서는 평면에 가스용기를 내려쳐도 타격면(32)에 외압이 가해지므로, 천공부(20)가 가스용기의 저면에 폐기구멍을 성형할 수 있다.Then, when the fastening portion 30 is fastened so as to protrude by a predetermined length from the male screw portion 21 of the punching portion 20 as shown in FIG. 5, the striking surface 32 of the ball portion 30 is a coupling portion ( Since the bottom surface of 10) protrudes more than the horizontal line, in this state, even when the gas container is struck in a plane, external pressure is applied to the striking surface 32, so that the perforated portion 20 can form a waste hole in the bottom of the gas container.

또한, 이와 같이 가스용기의 저면에 폐기구멍을 성형하면, 그 내부에 잔존하고 있던 가스가 배출되는데, 상기 결합부(10)가 가스용기(1)의 저면에 밀착 결합된 관계로 가스의 원활한 배출이 간섭될 수 있으므로, 결합부(10)의 표면상에는 가스의 배출이 용이하게 이루어지도록 다수개의 배출공(12)을 소정위치에 구비한다.In addition, when the waste hole is formed in the bottom surface of the gas container in this way, the gas remaining in the inside of the gas container is discharged. The gas is smoothly discharged because the coupling part 10 is tightly coupled to the bottom surface of the gas container 1. Since this may interfere, a plurality of discharge holes 12 are provided in a predetermined position on the surface of the coupling part 10 so that the gas is easily discharged.

한편, 이와 같은 구성으로 이루어진 가스용기 폐기구멍 성형 장치는 그 활용이 간이레인지용 가스용기에 국한되지 않고, 스프레이 등과 같이 내부의 물질을 분사시키기 위하여 각종 가스가 주입되는 용기에도 본 발명과 같은 구성의 폐기구멍 성형 장치를 알맞는 형태로 제작하여 사용할 수 있다.On the other hand, the gas container waste hole forming apparatus having such a configuration is not limited to the gas container for the simple range, and the gas container waste hole forming apparatus has the same configuration as that of the present invention even in a container into which various gases are injected to inject a substance therein, such as a spray. The waste hole forming apparatus can be manufactured and used in a suitable form.

이상에서 설명한 바와 같이 본 발명은 결합부와 천공부, 공이부로 구성되어 가스용기의 저면에 밀착결합한 상태에서 공이부에 외압이 가해지면 천공부에 외압이 전달됨으로서 천공부가 가스용기의 저면에 폐기구멍을 성형하게 되는데, 이는 가스 용기의 폐기 처분 시 안전을 위하여 용기에 성형하는 구멍을 보다 안정적으로확실하게 뚫을 수 있도록 한 매우 유용한 발명이다.As described above, the present invention consists of a coupling part, a perforation part, and a ball part, and when the external pressure is applied to the ball part in a state of being closely coupled to the bottom of the gas container, the external pressure is transmitted to the perforation part so that the perforated part is disposed in the bottom of the gas container. This is a very useful invention that makes it possible to more reliably perforate the molding hole in the container for safety in the disposal of the gas container.

Claims (1)

가스용기(1)의 저면 테두리에 체결되도록 그와 상응하는 형태의 체결홈(11)을 구비하고, 그 표면에는 가스가 원활하게 배출되도록 배출공(12)이 소정의 위치에는 복수개 형성된 결합부(10)와;A coupling groove 11 having a shape corresponding to the bottom rim of the gas container 1 is provided, and a plurality of coupling parts having a plurality of discharge holes 12 are formed at predetermined positions to smoothly discharge gas on the surface thereof. 10); 상기 결합부(10)의 중앙 상면에 설치되어 외압에 의하여 가스 용기의 저면을 뚫을 수 있도록 한 천공부(20)와;A perforation part 20 installed on the center upper surface of the coupling part 10 so as to penetrate the bottom of the gas container by external pressure; 상기 천공부(20)의 저면으로 일부가 삽입 설치된 상태로 결합부(10)의 저면으로 돌출되는 정도를 조절할 수 있는 공이부(30)로 구성된 것을 특징으로 하는 간이레인지용 가스용기의 폐기 구멍 성형장치.Forming the waste hole of the gas container for a simple range, characterized in that consisting of a ball portion 30 that can adjust the degree of protruding to the bottom surface of the coupling portion 10 in a state in which a portion is inserted into the bottom surface of the perforated portion 20. Device.
KR1020000052763A 2000-09-06 2000-09-06 A waste device of gas tank KR20020019741A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100959335B1 (en) * 2008-02-20 2010-05-26 주식회사 승일 Apparatus for relieving over-pressure of can

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900012502U (en) * 1988-12-26 1990-07-04 박형철 After-treatment device for portable gas cylinder
KR920021755U (en) * 1991-05-20 1992-12-19 전종율 Portable gas cylinder with disposal device
KR930005125Y1 (en) * 1991-09-17 1993-08-09 김영제 Packaging box
KR970063207U (en) * 1996-05-16 1997-12-11 Drilling device for pressure vessel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900012502U (en) * 1988-12-26 1990-07-04 박형철 After-treatment device for portable gas cylinder
KR920021755U (en) * 1991-05-20 1992-12-19 전종율 Portable gas cylinder with disposal device
KR930005125Y1 (en) * 1991-09-17 1993-08-09 김영제 Packaging box
KR970063207U (en) * 1996-05-16 1997-12-11 Drilling device for pressure vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100959335B1 (en) * 2008-02-20 2010-05-26 주식회사 승일 Apparatus for relieving over-pressure of can

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