KR100208462B1 - Soundproofing dustproof device for pipe arrangement - Google Patents
Soundproofing dustproof device for pipe arrangement Download PDFInfo
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- KR100208462B1 KR100208462B1 KR1019960041217A KR19960041217A KR100208462B1 KR 100208462 B1 KR100208462 B1 KR 100208462B1 KR 1019960041217 A KR1019960041217 A KR 1019960041217A KR 19960041217 A KR19960041217 A KR 19960041217A KR 100208462 B1 KR100208462 B1 KR 100208462B1
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- Prior art keywords
- pipe
- heat
- fluid transfer
- transfer pipe
- absorption layer
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Classifications
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
- F16L3/205—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction having supporting springs
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/147—Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
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- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Pipe Accessories (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
본 발명은 급탕이나 난방용 액체, 급수, 냉수, 냉각수 등과 같은 액체나 기체를 이송하는 유체이송관(배관)의 소음, 진동, 결로 및 열방출 등을 방지하기 위한 장치에 관한 것으로서, 유체를 이송하는 유체이송관의 외측에 단열기능과 소음 흡수기능을 갖는 단열·흡수층을 감싸지게 설치하고, 상기 단열·흡수층내에 유체이송관에서 발생하는 진동을 흡수하는 진동 흡수용 스프링을 방사형으로 삽입 설치하여서 된 배관용 방음, 방진 및 결로 방지장치이다.The present invention relates to a device for preventing noise, vibration, condensation and heat release of a fluid transfer pipe (piping) for transferring a liquid or gas such as a hot water supply or heating liquid, water supply, cold water, cooling water, and the like. Sound insulation for piping, which is installed on the outer side of the pipe so as to enclose an insulation / absorption layer having a heat insulation function and a noise absorption function, and radially inserts a vibration absorbing spring to absorb vibration generated from the fluid transfer pipe in the heat insulation and absorption layer. Dust and condensation prevention device.
Description
제1도는 본 발명의 구성을 나타낸 조립 정단면도.1 is an assembled front cross-sectional view showing the configuration of the present invention.
제2도는 본 발명의 구성을 나타낸 일부절결 조립 측면도.2 is a partially cutaway assembly side view showing the configuration of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 유체이송관 2 : 단열 흡수층1 fluid transfer pipe 2 heat absorbing layer
2a', 2a : 말단연장부 3 : 진동흡수용 스프링2a ', 2a: end extension portion 3: vibration absorbing spring
4 : 제1 유동방지층 5 : 클램프4: first flow preventing layer 5: clamp
6 : 제2 유동방지층 11, 11a : 방열층6: second flow preventing layer 11, 11a: heat dissipation layer
14 : 고정핀14: fixed pin
본 발명은 급탕이나 냉난방용 온수 및 냉각수와 그 밖의 급수, 냉수, 냉각수 등의 액체 및 기체를 이송시키는 유체이송관(배관)에 설치되어 유체이송시 맥동에 의해 발생하는 소음과 진동 및 온도차이에 의해 발생하는 결로현상을 방지하기에 적합하도록 한 배관용 방음, 방진 및 결로 방지장치에 관한 것이다.The present invention is installed in a fluid transfer pipe (pipe) for transporting liquid and gas such as hot water and cooling water for hot water supply and cooling and other water supply, cold water, cooling water, etc., due to noise, vibration and temperature difference generated by pulsation during fluid transfer. The present invention relates to a soundproofing, dustproof and condensation preventing device for pipes adapted to prevent condensation from occurring.
더욱 상세하게는, 각종 배관공사시 배관의 재질변경에 따른 비용상승에 대처하고, 단열재의 시공에 따른 보온 및 보냉효과와 방진 및 방음효과가 뛰어나도록 하여 관내를 흐르는 유체의 열손실을 방지함은 물론 장치의 파손 등을 방지할 수 있도록 한 배관용 방음, 방진 및 결로 방지장치에 관한 것이다.More specifically, to cope with the cost increase due to the change of the material of the pipe during various piping construction, and to prevent the heat loss of the fluid flowing through the pipe to be excellent in the heat and cold effect and the dust and sound insulation effect according to the construction of the insulation material Of course, the present invention relates to a soundproofing, dustproof, and dew condensation preventing device for piping to prevent damage to the device.
일반적으로 유체이송용 배관은 관내를 흐르는 유체(특히, 급탕이나 난방용 액체 및 기체)의 온도차이에 의해 팽창과 수축작용을 반복함과 동시 맥동에 의한 소음 및 진동이 발생하고, 또한 냉수와 냉각수 등이 이송할 시에는 관의 표면에 결로수가 발생한다.In general, the fluid transfer pipe repeats the expansion and contraction action due to the temperature difference between the fluid flowing in the pipe (especially the hot water or heating liquid and gas), and the noise and vibration are generated by the simultaneous pulsation. During transport, condensation occurs on the surface of the pipe.
이와 같은 현상은 배관과 그 부속품의 조립상태에 악영향을 끼치고, 관을 둘러싸고 있는 건축물 및 구조물의 파손을 야기시키며, 소음공해의 원인이 되기도 한다.This phenomenon adversely affects the assembly state of the pipe and its accessories, causes damage to the buildings and structures surrounding the pipe, and may cause noise pollution.
또한, 냉매를 이송하는 관일 경우에는 관의 표면에 결로수가 발생함에 따라 냉동 싸이클의 주요 구성요소인 압축기의 과부하를 초래함과 아울러 과다한 전력소모의 원인이 되기도 한다.In addition, in the case of a pipe for transporting the refrigerant, condensation water is generated on the surface of the pipe, causing overload of the compressor, which is a main component of the refrigeration cycle, and causing excessive power consumption.
그리고, 급탕이나 냉난방용 액체 및 기체를 이송시키는 관일 경우에는 단열 효과를 거두기 위하여 그 표면을 스치로폴 등으로 감싸주고 있으나, 이것 만으로는 충분한 단열효과를 기대할 수 없다.In addition, in the case of a pipe for transporting hot water or heating and cooling liquids and gases, the surface is covered with Schiropol, etc. in order to achieve an insulation effect, but this alone is not expected to provide sufficient insulation effect.
이와 같은 현상은 배관의 행거(Hanger), 크램프(Clamp), 슈(Shoes) 부분에서 더욱 심하게 발생한다.This phenomenon occurs more severely in hangers, clamps, and shoes.
이러한 문제점을 해결하기 위해 종래에는 유체를 이송시키는 배관의 재질이 강관이면 상기 행거나 크램프 및 슈를 철재제품의 것으로 사용하고, 동관이면 같은 동관 또는 그 합금계통의 관을 사용하거나 아니면 강철제품을 사용하되 그 내부에 고무가스켓을 삽입하여 사용하며, 스테인레스관이면 강철내부에 고무가스켓 또는 스테인레스 재질로 된 제품을 사용하였던 것이다.In order to solve this problem, conventionally, if the material of the pipe for transferring fluid is steel pipe, the hanger or clamp and shoe are used as steel products, and if the copper pipe is used, the same copper pipe or alloy-based pipe is used or steel products are used. However, the rubber gasket is inserted into the inside, and if the stainless steel pipe, the rubber gasket or the product made of stainless steel was used.
그런데, 이러한 것들은 설치하는데 비용이 너무 많이 들어갈 뿐만 아니라 들어간 비용에 비해 보온 및 보냉효과를 충분히 거둘 수 없고, 완벽한 시공이 어려운 단점이 있으며, 장치의 파손 내지는 과다한 열손실이 발생하는 문제점이 있었다.However, these things are not only too expensive to install, but not enough to achieve the effect of keeping warm and cold compared to the cost, there is a disadvantage that the perfect construction is difficult, there is a problem that the breakage or excessive heat loss of the device occurs.
따라서, 본 발명의 목적은 상기와 같은 문제점을 해결하기 위한 것으로, 유체를 이송시키는 관내에 유체의 흐름과 속도에 의한 마찰 및 온도차이에 의한 팽창과 수축작용에 따른 소음 및 진동을 방지하고, 관의 표면에 결로수의 생성이 방지되도록 함을 물론 단열효과가 극대화될 수 있는 배관용 방음, 방진 및 결로 방지장치를 제공함에 있다.Accordingly, an object of the present invention is to solve the above problems, to prevent the noise and vibration caused by the expansion and contraction action caused by the friction and temperature difference due to the flow and velocity of the fluid in the pipe for transporting the fluid, In order to prevent the formation of condensation water on the surface of the pipe as well as to provide a soundproofing, dustproof and condensation prevention device for piping that can maximize the insulation effect.
상기, 본 발명의 목적을 달성하기 위한 수단으로서 유체이송관에 열방출을 방지하고 소음을 흡수할 수 있는 단열·흡수층과, 진동을 흡수 완화시키는 스프링과, 유체이송관 및 클램프의 유동을 방지하는 유동방지층과, 미열방출을 방지하기 위한 요철형상의 방열층으로 구성하여서 된 것이다.As a means for achieving the object of the present invention, the heat transfer to the fluid transfer pipe to prevent heat release and absorb noise, the absorbing layer, the spring to absorb the vibration dampening, and the flow preventing layer to prevent the flow of the fluid transfer pipe and clamp And a heat dissipation layer having an uneven shape for preventing unheated discharge.
이하, 도시하여 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, illustrated in detail with reference to the accompanying drawings as follows.
유체를 이송하는 유체이송관(1)의 외측에 열방출을 방지하고 소음을 흡수하는 단열·흡수층(2)을 감싸지게 설치하고, 상기 단열·흡수층(2)의 내부에는 유체이송관(1)에서 발생하는 진동을 흡수하기 위한 다수의 진동흡수용 스프링(3)을 방사상(제1도의 상세도 참조)으로 삽입 설치하되, 이들 스프링은 유체이송관(1)과 직교하게 설치된다.Installed outside the fluid transfer pipe (1) for transporting the fluid to prevent heat dissipation and surround the heat absorbing and absorbing layer (2) for absorbing noise, and generated inside the heat transfer and absorbing layer (2) in the fluid transport pipe (1) A plurality of vibration absorbing springs 3 are inserted radially (see the detailed view of FIG. 1) for absorbing vibrations, and these springs are installed perpendicular to the fluid transfer pipe 1.
상기 단열·흡수층(2)의 내측에는 유체이송관(1)의 표면을 감싸는 제1 유동방지층(4)이 삽입 설치되고, 외측에는 제2 유동방지층(6)이 설치되며, 상기 제2 유동방지층의 외측에 고정수단인 클램프(5)가 체결된다.Inside the heat insulation / absorption layer 2, a first flow preventing layer 4 is formed to be inserted to surround the surface of the fluid transfer pipe 1, and a second flow preventing layer 6 is installed at an outer side of the second flow preventing layer. Clamp 5, which is a fixing means, is fastened to the outside.
상기 진동흡수용 스프링(3)내에는 스프링의 유동을 방지하고 위치결정을 도와주기 위한 원추형 고정핀(14)이 삽입된다.In the vibration absorbing spring (3) is inserted a conical fixing pin 14 to prevent the flow of the spring and to help positioning.
상기 클램프(5)는 상·하의 부재로 양분되며 이들 상하클램프의 양측에는 삽입관통공(7)을 갖는 리브(8)(8a)가 돌출 형성되고, 이 리브(8)(8a)의 삽입관통공(7)에 체결볼트(9)가 관통되어 너트(10)로서 체결 고정된다.The clamp 5 is divided into upper and lower members, and ribs 8 and 8a having insertion holes 7 protrude from both sides of the upper and lower clamps, and insertion through the ribs 8 and 8a. A fastening bolt 9 penetrates the ball 7 and is fastened and fixed as a nut 10.
상기 단열·흡수층(2)의 양측에는 미열의 방출을 방지하기 위한 요철 형상의 방열층(11)(11a)이 삽입 설치되고, 이 방열층은 상,하의 단열·흡수층(2) 사이에 삽입 설치됨과 동시 제1 및 제2 유동방지층(4, 6) 사이에 내장된다.On both sides of the heat insulating / absorption layer 2, an uneven heat dissipation layer 11 (11a) is inserted and installed between the heat insulating and absorption layers 2 above and below. And at the same time embedded between the first and second flow preventing layers (4, 6).
상기 단열·흡수층(2)은 클램프(5)보다 소정의 길이 만큼 길게 형성되어 측면에서 보았을 때 제2도에서와 같이 그 양단의 말단연장부(2a')(2a)가 클램프(5)의 외측으로 돌출된다.The heat insulation / absorption layer 2 is formed longer than the clamp 5 by a predetermined length, and as seen from the side as shown in FIG. 2, the terminal extension portions 2a 'and 2a at both ends are outside the clamp 5. Protrudes.
도면중, 미설명부호 12는 클램프(5)의 하단에 형성된 받침대이고, 13은 일반 보온재이다.In the figure, reference numeral 12 denotes a pedestal formed at the lower end of the clamp 5, and 13 is a general heat insulating material.
이상과 같이 구성된 본 발명은 유체이송관(1)을 통해 유체가 이송할 때 이송하는 유체의 온도차이에 의해 팽창 및 수축 또는 유체의 흐름과 마찰로 인한 소음 및 진동이 발생하는데, 이 진동 및 소음을 스프링(3)이 흡수 완화시켜 주게 된다.The present invention configured as described above generates noise and vibration due to expansion and contraction or flow and friction of the fluid due to the temperature difference of the fluid to be transported when the fluid is transported through the fluid transfer pipe (1). The spring 3 will relax the absorption.
또한, 단열·흡수층(2)은 열차단 효과가 뛰어나므로 유체이송관(1)의 내부와 외부 사이의 온도차이를 줄여주게 되어 결로수의 발생을 억제시킨다.In addition, the thermal insulation and absorption layer (2) is excellent in the thermal barrier effect, thereby reducing the temperature difference between the inside and the outside of the fluid transfer pipe (1) to suppress the generation of condensation water.
따라서, 유체가 급탕이나 난방용 액체 또는 기체일 경우 외부로의 열방출이 방지되고, 유체가 냉각수나 냉매일 경우에는 결로수의 발생이 방지된다.Therefore, heat release to the outside is prevented when the fluid is a hot water supply or a heating liquid or gas, and condensation water is prevented when the fluid is a cooling water or a refrigerant.
또한, 진동 및 소음이 방지됨에 따라 배관 시공시 악영향이 방지되고, 주변의 건축물이나 구조물의 파손이 방지되며, 소음공해의 원인이 제거된다.In addition, as the vibration and noise is prevented, adverse effects are prevented during the construction of the pipe, damage to the surrounding buildings or structures is prevented, and causes of noise pollution are eliminated.
그리고, 결로수의 발생이 방지됨에 따라 냉동 싸이클의 주요 구성요소인 압축기의 과부하가 방지되고, 전력소모를 최대한 줄일 수 있다.As the condensation water is prevented, overload of the compressor, which is a main component of the refrigeration cycle, is prevented and power consumption can be reduced as much as possible.
또한, 충분한 단열효과를 가지므로서 외부와의 열교환이 방지되어 열효율을 극대화 시킬 수 있다.In addition, it has a sufficient heat insulating effect to prevent heat exchange with the outside can maximize the thermal efficiency.
상기 제1 유동방지층(4)은 주로 석면으로 이루어져 유체이송관(1)의 유동을 억제하는 제동역할을 하고, 제2 유동방지층(6) 또한 주로 석면으로 이루어져 클램프(5)의 슬립 내지는 유동을 억제하는 제동역할을 한다.The first flow preventing layer 4 mainly consists of asbestos, and serves as a braking role to suppress the flow of the fluid transfer pipe 1, and the second flow preventing layer 6 also mainly consists of asbestos to suppress slip or flow of the clamp 5. It acts as a brake.
그리고, 방열층(11)(11a)은 요철형상으로 이루어져 있기 때문에 양측 클램프(5)의 체결방향쪽으로 방출될 수 있는 미열을 완벽하게 차단하게 된다.In addition, since the heat dissipation layers 11 and 11a have an uneven shape, the heat radiation layers 11 and 11a completely block the slight heat that may be released in the fastening direction of both clamps 5.
받침대(12)는 클램프(5)의 외측 밑면에 용접 등을 통하여 고정되기 때문에 기존의 유체이송관(1)에 직접 용접으로 고정되던 방식에 비해 배관재의 부식 등을 미연에 방지할 수 있다.Since the pedestal 12 is fixed to the outer bottom surface of the clamp 5 by welding or the like, it is possible to prevent corrosion of the piping material in advance compared to the method of being directly fixed to the conventional fluid transfer pipe 1 by welding.
또한, 클램프(5)가 양측의 리브(8)(8a)를 관통하는 체결볼트(9)와 너트(10)에 의해 체결되므로 조립, 분해가 용이하고 견고하게 체결된다.In addition, since the clamp 5 is fastened by the fastening bolt 9 and the nut 10 passing through the ribs 8 and 8a on both sides, the clamp 5 is easily assembled and disassembled and fastened.
그리고, 클램프(5)의 양측으로 제2도에서와 같이 단열·흡수층(2)의 말단 연장부(2a')(2a)가 돌출됨에 따라 일반보온재(13)를 연속해서 시공할 때 그들의 연결부위에서 발생하는 열방출을 차단할 수 있다.Then, as shown in FIG. 2, the terminal extension portions 2a 'and 2a of the heat insulation / absorption layer 2 protrude to both sides of the clamp 5, and at the connecting portion thereof when the general thermal insulation material 13 is continuously installed. It can block the heat dissipation that occurs.
본 발명은 배관시공에서 앵커포인트(Anchor Point), 슬라이딩포인트(Sliding Point), 레스팅포인트(Resting Point)등과 배관의 위치변화에 따라 수평관 및 수직관에 자유로이 적용하여 사용할 수 있다.The present invention can be used to freely apply to the horizontal pipe and vertical pipe in accordance with the position of the anchor point (Anchor Point), sliding point (Sliding Point), Resting Point (piping) and the like in the piping construction.
이상과 같은 본 발명은 유체이송관내에 유체의 흐름과 속도에 의한 마찰, 팽창 및 수축등으로 인한 소음과 진동을 방지하고, 또한 결로수의 생성을 방지하며, 단열효과를 극대화 할 수 있는 잇점이 있다.The present invention as described above has the advantage of preventing noise and vibration caused by friction, expansion and contraction due to the flow and velocity of the fluid in the fluid transfer pipe, and also prevent the formation of condensation water, and maximize the thermal insulation effect have.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960041217A KR100208462B1 (en) | 1996-09-20 | 1996-09-20 | Soundproofing dustproof device for pipe arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960041217A KR100208462B1 (en) | 1996-09-20 | 1996-09-20 | Soundproofing dustproof device for pipe arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980022141A KR19980022141A (en) | 1998-06-25 |
| KR100208462B1 true KR100208462B1 (en) | 1999-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960041217A KR100208462B1 (en) | 1996-09-20 | 1996-09-20 | Soundproofing dustproof device for pipe arrangement |
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| Country | Link |
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| KR (1) | KR100208462B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641588A (en) * | 2017-02-13 | 2017-05-10 | 平罗县龙江液化气有限责任公司 | Natural gas pipeline protecting device |
| KR20180066346A (en) * | 2016-12-08 | 2018-06-19 | 충북대학교 산학협력단 | Shock absorbing apparatus for pipe |
| CN108612934A (en) * | 2018-05-17 | 2018-10-02 | 付杰 | A kind of central gas supply pipeline for cities and towns natural gas |
| KR102312553B1 (en) * | 2020-10-14 | 2021-10-15 | 정태영 | An Earthquake-proof Fixing Device for Pipe |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101890293B1 (en) * | 2018-01-05 | 2018-08-21 | (주)동인엔지니어링 | Insulation apparatus of branch pipe |
| KR101889443B1 (en) * | 2018-01-05 | 2018-08-17 | (주)동인엔지니어링 | Pipe insulation apparatus |
| KR101890284B1 (en) * | 2018-01-05 | 2018-08-21 | (주)동인엔지니어링 | Valve unit insulation apparatus |
| CN109027427A (en) * | 2018-10-29 | 2018-12-18 | 江苏福泰电力设备有限公司 | A kind of suspension and support pipe clamp |
| KR102225587B1 (en) * | 2019-07-31 | 2021-03-09 | 재단법인 파동에너지 극한제어 연구단 | Absorption patch and underwater absorption plate using the same |
-
1996
- 1996-09-20 KR KR1019960041217A patent/KR100208462B1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180066346A (en) * | 2016-12-08 | 2018-06-19 | 충북대학교 산학협력단 | Shock absorbing apparatus for pipe |
| CN106641588A (en) * | 2017-02-13 | 2017-05-10 | 平罗县龙江液化气有限责任公司 | Natural gas pipeline protecting device |
| CN108612934A (en) * | 2018-05-17 | 2018-10-02 | 付杰 | A kind of central gas supply pipeline for cities and towns natural gas |
| KR102312553B1 (en) * | 2020-10-14 | 2021-10-15 | 정태영 | An Earthquake-proof Fixing Device for Pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980022141A (en) | 1998-06-25 |
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