KR20220100363A - Toneback anchor for offshore - Google Patents

Toneback anchor for offshore Download PDF

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Publication number
KR20220100363A
KR20220100363A KR1020210002712A KR20210002712A KR20220100363A KR 20220100363 A KR20220100363 A KR 20220100363A KR 1020210002712 A KR1020210002712 A KR 1020210002712A KR 20210002712 A KR20210002712 A KR 20210002712A KR 20220100363 A KR20220100363 A KR 20220100363A
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KR
South Korea
Prior art keywords
water
anchor
bag
check valve
receiving part
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KR1020210002712A
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Korean (ko)
Inventor
이현화
김은영
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이현화
김은영
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Priority to KR1020210002712A priority Critical patent/KR20220100363A/en
Publication of KR20220100363A publication Critical patent/KR20220100363A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24—Anchors
    • B63B21/26—Anchors securing to bed
    • B63B21/29—Anchors securing to bed by weight, e.g. flukeless weight anchors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • E02B15/0814—Devices for reducing the polluted area with or without additional devices for removing the material with underwater curtains

Abstract

The present invention relates to a ton bag anchor for seabed installation, which is improved to prevent marine pollution, promote a cost reduction and enable convenient installation. The ton bag anchor includes: a waterproof sealed water bag (10) having a water storage part (11) in which water (16) is stored; a sealed weight member (20) attached to surround the whole outer surface of the waterproof sealed water bag (10) and having specific gravity higher than the water; and an outer cover bag (30) tightly attached to the outer surface of the sealed weight member (20) and provided with a hanging means (31). The ton bag anchor also includes: a water introduction pipe (12) protruding to the outside of an upper part to introduce the water (16) into the water storage part (11) and including a check valve (13) provided in the water storage part (11); and a discharge pipe (14) protruding to one side of a lower part to discharge the water (16) from the water storage part (11) and including a check valve (15) provided in the water storage part (11).

Description

해저설치용 톤백앵커{Toneback anchor for offshore}Toneback anchor for offshore installation

본 발명은 해저에 설치되는 톤백앵커에 관한 것으로서, 더욱 상세하게는 해양 오염이 방지되고 제조원가 점감이 도모되며 신속 간편하게 설치할 수 있도록 개선된 해저설치용 톤백앵커에 관한 것이다.The present invention relates to a toneback anchor installed on the seabed, and more particularly, to a toneback anchor for submarine installation that is improved so that marine pollution is prevented, manufacturing cost is reduced, and can be installed quickly and conveniently.

선행기술의 특허문헌으로 기재된 대한민국 등록특허 제0617898호와 같은 톤백앵커가 선행기술로 개시되고 있다. 상기 선행기술은 주로 오탁방지막이 해류에 떠내려가지 않게 하면서도 한 지점에 그대로 머물도록 하기 위해 오탁방지막 하부에 로프로 연결되어 해저에 설치되는 톤백앵커이다.Toneback anchors such as Korean Patent Registration No. 0617898, which are described as prior art patent documents, are disclosed as prior art. The prior art is a tone back anchor connected to the bottom of the antifouling film with a rope and installed on the seabed in order to keep the antifouling film at a certain point while not being washed away by the current.

그러나 상기한 선행기술은 부대(포대) 내부에 토사, 모래, 자갈, 폐콘크리트, 폐슬래그, 석고와 같은 속채움재가 내장되는 것이기 때문에 오탁방지막을 철수시킬 때 무게가 매우 무겁기 때문에 톤백앵커 회수가 난이하고 어렵운 문제점이 있을 뿐만 아니라 그로 인해 톤백앵커를 그대로 방치하고 오탁방지막만을 회수하는 경우가 빈번하게 발생되고 있다.However, in the prior art described above, it is difficult to recover the tone back anchor because the weight is very heavy when the antifouling film is withdrawn because the filling materials such as soil, sand, gravel, waste concrete, waste slag, and gypsum are embedded in the bag (sack). In addition to having a difficult problem, there are frequent cases where the tone back anchor is left as it is and only the antifouling film is recovered.

그러므로 톤백앵커가 해저에 방치되는 경우 속채움재가 폐콘크리트, 폐슬래그, 석고 폐기물인 경우 해양 오염이 야기되는 문제점이 초래되고 있다.Therefore, when the toneback anchor is left on the seabed, when the filling material is waste concrete, waste slag, or gypsum waste, there is a problem that marine pollution is caused.

KR 10-0617898 B1 2006.09.30KR 10-0617898 B1 2006.09.30

본 발명은 해양 오염이 방지되고 제조원가 점감이 도모되며 신속 간편하게 설치할 수 있도록 개선된 해저설치용 톤백앵커를 제공하려는데 그 목적이 있는 것이다.An object of the present invention is to provide an improved tonback anchor for subsea installation so that marine pollution is prevented, manufacturing cost is reduced, and can be installed quickly and conveniently.

본 발명은, 물이 내장되는 물수용부가 있는 방수밀폐물주머니와, 상기 방수밀폐물주머니 외면 전부를 감싸도록 부착되고 물보다 비중이 높은 밀폐웨이트부재와, 상기 밀폐웨이트부재의 외면에 밀착되게 부착되고 걸이수단을 갖는 외피주머니를 포함하고, 상기 물수용부에 물을 투입하기 위해 상부쪽 외부로 돌출되고 물수용부 내부에 첵크밸브를 구비하는 입수관 및 물수용부의 물을 배수하기 위해 하부쪽 일측으로 돌출되고 물수용부 내부에 첵크밸브를 가진 배수관을 포함하여 구성되게 이루어지는 것을 그 특징으로 한다.The present invention relates to a waterproof sealing material bag having a water receiving part in which water is embedded, a sealing weight member attached to cover the entire outer surface of the waterproof sealing material bag and having a higher specific gravity than water, and attached to the outer surface of the sealing weight member in close contact with the sealing weight member and including an outer bag having a hook means, protruding outward to the upper side to inject water into the water receiving part, and having a check valve inside the water receiving part and the lower side for draining the water of the water receiving part It is characterized in that it is configured to include a drain pipe protruding to one side and having a check valve inside the water receiving part.

상기밀폐웨이트부재는 내장공에 모래가 충진되게 구성되고, 배수관의 첵크밸브는 물수용부에 충진된 물 압력보다 상대적으로 높은 압력으로 개방되는 것이 구비되도록 구성되는 것을 다른 특징으로 한다.The sealing weight member is configured such that the built-in hole is filled with sand, and the check valve of the drain pipe is configured to be opened at a relatively higher pressure than the water pressure filled in the water receiving part.

본 발명은 오염 발생이 전혀 없는 물을 이용하여 무게가 무겁도록 한 것이기 때문에 해양 오염이 미연에 방지되는 효과가 있다.The present invention has the effect of preventing marine pollution in advance because the weight is made heavy by using water that does not generate any pollution.

그리고 주머니형태의 것만 이용하여 제조되는 것이기 때문에 톤백앵커의 제조원가 점감이 도모되는 것일 뿐만 아니라 현장에서 물을 투입 및 배수되게 할 수 있으므로 신속 간편하게 설치할 수 있고, 물이 없는 상태에서 접을 수 있기 때문에 취급 및 운반과 보관이 용이하게 되는 효과가 있는 것이다.And because it is manufactured using only the bag type, it is not only aimed at reducing the manufacturing cost of the tone bag anchor, but also allowing water to be input and drained on site, so it can be installed quickly and easily, and because it can be folded in the absence of water, handling and It has the effect of facilitating transport and storage.

도 1은 본 발명의 톤백앵커의 전체 사시도,
도 2는 본 발명에 따른 톤백앵커의 전체 단면 구성도이다.1 is an overall perspective view of the tone back anchor of the present invention;
2 is an overall cross-sectional configuration view of the tone back anchor according to the present invention.

본 발명을 첨부된 바람직한 실시도면에 의거하여 보다 상세히 설명하면 다음과 같다.The present invention will be described in more detail based on the accompanying preferred embodiments as follows.

도 1 및 도 2를 참조하면, 본 발명은 물(16)이 채워지는 물수용부(11)가 있고 방수가 되는 커다란 크기의 방수밀폐물주머니(10)를 구비하고, 상기 방수밀폐물주머니(10) 외면에 유연성이 있고 물보다 비중이 높은 밀폐웨이트부재(20)가 밀착되어 부착되도록 구성된다.1 and 2, the present invention has a water accommodating part 11 filled with water 16 and a waterproof sealing bag 10 of a large size that is waterproof, and the waterproof sealing material bag ( 10) The sealing weight member 20 having a flexible outer surface and having a higher specific gravity than water is closely attached to it.

상기 밀폐웨이트부재(20)는 물보다 비중이 높은 재질을 가진 것은 모두 채용 가능하지만, 밀폐웨이트부재(20) 내부에 내장공(21)을 구비하고 상기 내장공(21)에 모래(22)가 채워지도록 하여 구성되도록 하는 것이 바람직하다.The sealing weight member 20 may be any material having a higher specific gravity than water, but the sealing weight member 20 has a built-in hole 21 in the interior, and the sand 22 in the built-in hole 21 is available. It is desirable to be configured to be filled.

또한, 상기 밀폐웨이트부재(20) 외면에는 포대 형태의 외피주머니(30)가 밀착되게 부착되도록 구성되고, 상기 외피주머니(30) 외면에는 걸이수단(31)이 고정되게 부착된다.In addition, the outer surface of the sealing weight member 20 is configured to be closely attached to the outer surface of the bag-shaped outer bag 30, and the hanging means 31 is fixedly attached to the outer surface of the outer skin bag (30).

상기 방수밀폐물주머니(10) 및 밀폐웨이트부재(20)와 외피주머니(30)는 전체가 완전히 밀폐되는 상태가 되는 것이며, 이러한 방수밀폐물주머니(10) 및 밀폐웨이트부재(20)와 외피주머니(30)의 상부에는 입수관(12)이 관통되고 물수용부(11)쪽 입수관(12)에는 첵크밸브(13)를 구비하도록 되어 있다. 상기 첵크밸브(13)는 입수관(12)을 통해 물수용부(11)로 유입된 물(16)이 다시 입수관(12)으로 배출되는 것을 차단하는 밸브이며, 이러한 첵크밸브(13)는 이미 알려진 부품이므로 상세한 도면과 설명은 생략하는 것으로 한다.The waterproof sealing bag 10 and the sealing weight member 20 and the outer skin bag 30 are in a completely sealed state, and the waterproof sealing material bag 10 and the sealing weight member 20 and the outer skin bag The water inlet pipe 12 is passed through the upper portion of the 30 , and the check valve 13 is provided in the water inlet pipe 12 on the water receiving part 11 side. The check valve 13 is a valve that blocks the water 16 flowing into the water receiving unit 11 through the water inlet pipe 12 from being discharged back to the water receiving pipe 12, and this check valve 13 is Since the parts are already known, detailed drawings and descriptions will be omitted.

그리고 방수밀폐물주머니(10) 및 밀폐웨이트부재(20)와 외피주머니(30)의 하부 일측에는 배수관(14)이 관통되고 물수용부(11)쪽 배수관(12)에도 첵크밸브(15)를 구비하도록 구성된다. 상기 첵크밸브(15)는 배수관(12)을 통해 물수용부(11)로 유입된 물(16)이 배수관(12)으로 배출되는 것을 차단하는 밸브이다. 상기 첵크밸브(13)는 이미 알려진 부품이므로 상세한 도면과 설명은 생략하는 것으로 한다.And the waterproof sealing bag 10 and the sealing weight member 20 and the lower one side of the outer skin bag 30, the drain pipe 14 is penetrated, and a check valve 15 is also installed in the water receiving part 11 side drain pipe 12. configured to be provided. The check valve 15 is a valve that blocks the water 16 flowing into the water accommodating part 11 through the drain pipe 12 from being discharged to the drain pipe 12 . Since the check valve 13 is a known component, detailed drawings and descriptions thereof will be omitted.

따라서, 본 발명은 입수관(12)을 통해 물수용부(11)로 유입된 물(16)은 입수관(12)으로 투입되는 압력으로 유지되는 것이고 이와 같이 투입된 상태의 물(16) 압력을 본 발명의 이해를 돕기 위해 물내부압력이라고 명칭하고 설명하는 것으로 한다.Therefore, in the present invention, the water 16 introduced into the water receiving part 11 through the water inlet pipe 12 is maintained at the pressure input into the water inlet 12, and the pressure of the water 16 in this input state is maintained. In order to help the understanding of the present invention, it will be named and described as water internal pressure.

따라서, 본 발명에 채용되는 첵크밸브(15)는 물수용부(11)에 내장된 물(16)의 물내부압력보다 상대적으로 더 높은 물내부압력 상태가 될 때에만 첵크밸브(15)가 열려서 물(16)이 빠져나가는 상태로 개방동작이 되는 첵크밸브(15)가 채용되는 것이다. 즉, 본 발명에 채용되는 첵크밸브(15)는 물수용부(11)에 채워진 물(16)의 수용압력보다 상대적으로 높은 압력상태일 때 개방되는 것이 채용되는 것이다.Therefore, in the check valve 15 employed in the present invention, the check valve 15 is opened only when the water internal pressure is relatively higher than the water internal pressure of the water 16 built in the water receiving part 11 . A check valve 15 that is opened in a state in which the water 16 is discharged is employed. That is, the check valve 15 employed in the present invention is to be opened when the pressure is relatively higher than the receiving pressure of the water 16 filled in the water receiving part 11 is employed.

따라서, 본 발명은 물수용부(11)가 비워진 상태에서 포개지게 접을 수 있으므로 톤백앵커의 운반 및 취급이 용이하게 된다.Therefore, in the present invention, since the water accommodating part 11 can be folded to be overlapped in an empty state, the transport and handling of the tone back anchor becomes easy.

그리고 톤백앵커를 설치하는 장소에서는 입수관(12)에 물호스(미도시됨)을 연결하여 워터펌프(미도시됨)를 이용하여 물(16)이 물수용부(11)로 투입되도록 하는 것으로서, 이와 같이 물(16)이 채워진 톤백앵커를 해상크레인(미도시됨)을 이용하여 원하는 해저 지점에 설치하고 걸이수단(31)과 오탁방지막(미도시됨) 사이를 연결로프(L)로 연결되게 하면 설치가 완료되는 것이므로 종래보다는 상대적으로 톤백앵커 설치작업이 매우 신속하고 간편해지게 된다.And at the place where the tone back anchor is installed, a water hose (not shown) is connected to the inlet pipe 12 so that water 16 is introduced into the water receiving part 11 using a water pump (not shown). , In this way, the toneback anchor filled with water 16 is installed at the desired seabed point using an offshore crane (not shown), and a connection rope (L) is used to connect the hanging means 31 and the anti-fouling membrane (not shown). When it is done, the installation is completed, so the installation of the tone back anchor is relatively quick and easy compared to the conventional one.

따라서, 본 발명의 톤백앵커는 밀폐웨이트부재(20)가 방수밀폐물주머니(10)를 완전히 감싸고 있기 때문에 톤백앵커의 총중량은 밀폐웨이트부재(20)와 방수밀폐물주머니(10)에 채워진 물(16) 무게를 합한 무게가 총 중량이 되기 때문에 톤백앵커가 해류에 떠밀려내려가지 않을 만큼의 상당히 무거운 무게를 갖는 톤백앵커가 되는 것이다.Therefore, in the tone back anchor of the present invention, since the sealing weight member 20 completely surrounds the waterproof sealing bag 10, the total weight of the tone back anchor is the sealing weight member 20 and the water filled in the waterproof sealing material bag 10 ( 16) Since the total weight becomes the total weight, the toneback anchor becomes a toneback anchor with a fairly heavy weight that is not washed away by the current.

본 발명의 이해를 돕기 위해, 만약 가령 축구공과 같은 공 외피를 물보다 비중이 낮은 플라스틱으로 구성하고 공 내부에 물을 충진하더라도 어느 한곳이 뚫린 상태가 되면 이러한 공은 물속으로 가라앉지 않고 물 표면에 떠 오르게 되는 것이지만, 축구공과 같은 공의 외피가 물보다 비중이 높은 재질인 금속으로 구성하고, 그 공 내부에 물이 충진되게 하고 외부와 완전히 격리되게 밀폐되게 하면 공의 무게는 금속외피와 내부에 충진된 물 무게를 합한 무게가 되기 때문에 물이 충진된 공은 물속으로 가라앉게 되는 것과 같은 이치이며, 아울러서 본 발명은 밀폐웨이트부재(20)가 방수밀폐물주머니(10)를 완전히 감싸고 있기 때문에 톤백앵커의 총중량은 밀폐웨이트부재(20)와 방수밀폐물주머니(10)에 채워진 물(16) 무게를 합한 무게가 총 중량이 되기 때문에 톤백앵커가 해저에 가라 앉을 수 있고 해류에 떠밀려내려가지 않을 만큼의 상당히 무거운 무게를 갖는 톤백앵커가 구현되는 것이다.In order to help the understanding of the present invention, if the outer shell of a ball, such as a soccer ball, is made of plastic with a lower specific gravity than water and water is filled inside the ball, if any one of the balls is in a pierced state, the ball does not sink into the water but on the surface of the water. However, if the outer shell of a ball, such as a soccer ball, is made of metal, which is a material with a higher specific gravity than water, and the inside of the ball is filled with water and sealed completely isolated from the outside, the weight of the ball will increase between the metal shell and the inside. Since it is the sum of the weight of the filled water, the ball filled with water is the same as sinking into the water. The total weight of the anchor is the sum of the weight of the sealing weight member 20 and the water 16 filled in the waterproof sealing bag 10, so the tonback anchor can sink to the seabed and will not be pushed down by the current. A toneback anchor with a fairly heavy weight is realized.

따라서, 톤백앵커를 철수하고자 할 시에는 입수관(12)에 에어호스(미도시됨)를 연결하고 에어펌프나 컴프레셔를 이용하여 압축공기를 물수용부(11)에 강제로 투입하게 하되, 압축공기의 압력이 물수용부(11)에 있는 물내부압력보다 상대적으로 높은 압축공기 압력으로 입수관(12)을 통해 강제적으로 투입하게 되면 투입되는 높은 압력의 압축공기 압력으로 물내부압력이 되기 때문에 하부에 있는 첵크밸브(15)가 개방되어서 배수관(14)을 통해서 물(16)이 배수되는 상태가 된다.Therefore, when the tone back anchor is to be withdrawn, an air hose (not shown) is connected to the water inlet pipe 12 and compressed air is forced into the water receiving unit 11 using an air pump or a compressor. When the pressure of the air is forcibly input through the water inlet pipe 12 at a relatively higher compressed air pressure than the water internal pressure in the water receiving part 11, the compressed air pressure of the high pressure input becomes the internal pressure of the water. The check valve 15 in the lower part is opened, so that the water 16 is drained through the drain pipe 14 .

그러므로 본 발명의 톤백앵커를 철거할 때에는 단지 입수관(12)을 통해서 높은 압력의 압축공기만 투입되게 하면 배수가 자동으로 되는 것이고, 아울러서 배수관(14)으로 물(16)이 배수되는 양만큼 물수용부(11)에는 압축공기로 채워지는 것이기 때문에 물(16) 빼기도 신속하고 간편하게 되고, 그로 인해 톤백앵커 철수작업이 매우 간편하고 용이하게 되는 것이다.Therefore, when removing the tone back anchor of the present invention, if only high-pressure compressed air is input through the inlet pipe 12, the drainage is automatic, and at the same time, the water 16 is drained to the drain pipe 14 by the amount of water. Since the accommodating part 11 is filled with compressed air, the water 16 is also quickly and easily drained, thereby making the toneback anchor withdrawal operation very simple and easy.

따라서, 예전에는 해양오염이 될 수 있는 폐시멘트등을 이용하는 것이지만 본 발명은 오염 발생이 전혀 없는 물(16)을 이용하여 무게가 무겁도록 한 것이기 때문에 해양 오염이 미연에 방지되고 주머니형태의 것만 이용하여 제조되는 것이고 해수를 이용하여 물(16)을 채워서 사용하는 것이기 때문에 톤백앵커의 제조원가 점감이 도모되는 것일 뿐만 아니라 현장에서 물을 투입 및 배수되게 할 수 있으므로 신속 간편하게 설치할 수 있고, 물이 없는 상태에서 접을 수 있기 때문에 취급 및 운반과 보관을 용이하게 할 수 있게 되는 것이다.Therefore, in the past, waste cement, which could become marine pollution, was used, but in the present invention, since the weight was made heavy by using water 16 that does not generate pollution at all, marine pollution is prevented in advance and only the bag type is used. Since it is manufactured by using seawater and filled with water 16, the manufacturing cost of the tonback anchor is reduced, and water can be input and drained at the site, so it can be installed quickly and easily, and there is no water. Because it can be folded, it will be possible to easily handle, transport and store.

본 발명은 도면으로 도시되고 설명된 것에 반드시 국한되는 것은 아니고 본 발명이 속하는 기술분야의 통상의 지식을 가진 자에 의해서 여러 가지 형태로 변형실시될 수도 있는 것이므로 청구범위를 크게 벗어나지 않는 한 폭넓게 보호되어야 하는 것은 자명한 것이다.The present invention is not necessarily limited to what has been shown and described in the drawings and may be modified in various forms by those of ordinary skill in the art to which the present invention pertains. to do is self-evident.

10:밀폐물주머니 11:물수용부
12:입수관 13:첵크밸브
14:배수관 15:첵크밸브
16;물 20:밀폐웨이트부재]
21:내장공 22;모래
30:외피주머니 31:걸이수단
L:연결로프10: sealing bag 11: water receiving part
12: inlet pipe 13: check valve
14: drain pipe 15: check valve
16; Water 20: Sealing weight member]
21: interior hole 22; sand
30: outer bag 31: hook means
L: connecting rope

Claims (2)

물(16)이 내장되는 물수용부(11)가 있는 방수밀폐물주머니(10)와;
상기 방수밀폐물주머니(10) 외면 전부를 감싸도록 부착되고 물보다 비중이 높은 밀폐웨이트부재(20)와;
상기 밀폐웨이트부재(20)의 외면에 밀착되게 부착되고 걸이수단(31)을 갖는 외피주머니(30)를 포함하고;
상기 물수용부(11)에 물(16)을 투입하기 위해 상부쪽 외부로 돌출되고 물수용부(11) 내부에 첵크밸브(13)를 구비하는 입수관(12) 및 물수용부(11)의 물(16)을 배수하기 위해 하부쪽 일측으로 돌출되고 물수용부(11) 내부에 첵크밸브(15)를 가진 배수관(14)을 포함하여 구성되게 이루어지는 것을 특징으로 하는 해저설치용 톤백앵커.
a waterproof sealing bag 10 having a water accommodating part 11 into which water 16 is built;
a sealing weight member 20 attached to surround the entire outer surface of the waterproof sealing bag 10 and having a higher specific gravity than water;
and an outer skin bag 30 attached to the outer surface of the sealing weight member 20 and having a hook means 31;
In order to inject water 16 into the water receiving part 11, the water inlet pipe 12 and the water receiving part 11 protruding to the outside and having a check valve 13 inside the water receiving part 11 Toneback anchor for subsea installation, characterized in that it is configured to include a drain pipe 14 having a check valve 15 in the water receiving part 11 and protruding to one side of the lower side to drain the water 16 of the.
 제 1 항에 있어서,
상기밀폐웨이트부재(20)는 내장공(21)에 모래(22)가 충진되게 구성되고, 배수관(14)의 첵크밸브(15)는 물수용부(11)에 충진된 물내부압력보다 상대적으로 높은 압력으로 개방되는 것이 구비되도록 구성되는 것을 특징으로 하는 해저설치용 톤백앵커.
The method of claim 1,
The sealing weight member 20 is configured to fill the internal hole 21 with sand 22 , and the check valve 15 of the drain pipe 14 is relatively higher than the internal pressure of water filled in the water receiving part 11 . Toneback anchor for submarine installation, characterized in that it is configured to be provided with a high pressure opening.
KR1020210002712A 2021-01-08 2021-01-08 Toneback anchor for offshore KR20220100363A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100617898B1 (en) 2004-07-08 2006-09-08 김종수 an anchor block for a silt protector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100617898B1 (en) 2004-07-08 2006-09-08 김종수 an anchor block for a silt protector

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