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KR101424419B1 - Icing protective device installed deck pipe-assembly support plate of LNG vessels sailing polar region - Google Patents

Icing protective device installed deck pipe-assembly support plate of LNG vessels sailing polar region Download PDF

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Publication number
KR101424419B1
KR101424419B1 KR1020140039295A KR20140039295A KR101424419B1 KR 101424419 B1 KR101424419 B1 KR 101424419B1 KR 1020140039295 A KR1020140039295 A KR 1020140039295A KR 20140039295 A KR20140039295 A KR 20140039295A KR 101424419 B1 KR101424419 B1 KR 101424419B1
Authority
KR
South Korea
Prior art keywords
supporting
support
deck
lng
main body
Prior art date
Application number
KR1020140039295A
Other languages
Korean (ko)
Inventor
이정환
조교성
김인욱
황기정
차진훈
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이정환
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 이정환 filed Critical 이정환
Priority to KR1020140039295A priority Critical patent/KR101424419B1/en
Application granted granted Critical
Publication of KR101424419B1 publication Critical patent/KR101424419B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The present invention provides a supporting part of a deck pipe main body of an LNG vessel sailing a polar region comprising: a pipe main body installed in a deck to load or unload by flowing LNG from a storage tank equipped inside a hull of an LNG vessel sailing a polar region; a supporting part equipped in an outer peripheral surface of one side of the pipe main body to support the pipe main body while the pipe main body is broken in the upper part of the deck; USIM plates equipped in all sides outside a clamp while the clamp is bound to the outer peripheral surface of the pipe main body corresponding to the inside of the supporting part; and a sliding pad installed inside the supporting part to side-contact to correspond with the USIM plates of the clamp. The present invention provides an apparatus for preventing freezing installed in a supporting part of a deck pipe main body of an LNG vessel sailing a polar region comprising: a supporting cover consisting of a first supporting side having the width wider than the width of the upper side of the supporting part while side-contacting the upper side of the supporting part, a supporting piece vertically extended in a fixed length by being bent in right and left side ends of the first supporting side, and a second supporting side vertically extended downwards by being bent in the upper and lower sides of the first supporting side; a canvas housing for forming inlets in both sides while having the form of a box whose lower part is opened to cover the supporting part having the supporting cover, and the pipe main body protruding from the both sides of the supporting part, for forming a first opening part where one side of the lower side of the inlet is vertically cut, for forming an attaching piece in the form of a ring protruding toward the outside by being integrally connected with the outer peripheral surface of the inlet, and for forming a second opening part where the lower side of the attaching piece is cut.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a liquefied natural gas (LNG)

[0001] The present invention relates to a freezing prevention device installed on a deck pipe body supporting part of an LNG carrier for an off-highway navigation, and more particularly to a freezing prevention device for preventing freezing of a supporting part for supporting various pipe bodies, An apparatus for preventing freezing that covers a pipe body supported by a support portion and a support portion, the deck pipe body support portion covering an canvas housing made of a material for blocking contact with rain water or waves, To a freezing prevention device to be installed.

LNG is a colorless transparent cryogenic liquid with methane-based natural gas cooled to -162 ° C, which is reduced to one-sixth its volume, and is generally referred to as liquefied natural gas. Although liquefied natural gas (LNG) is mainly composed of methane, it also contains small amounts of other liquefied gases, and the current economic concern is concentrated on LNG transport, but the problems associated with the massive transport and handling of liquefied gas include ammonia, , Butane and chlorine.

In order to use this gas as energy as the LNG emerged as an energy resource, an efficient transportation method capable of mass transportation from the production base to the destination site of the demand site was examined. The result is an LNG transport line for the sea transportation of LNG appear.

The LNG carrier has a LNG storage tank and a pipe body on the deck of the ship for the injection and discharge of LNG into the storage tank for storage and transportation of LNG liquefied at ultra low temperature. The pipeline for injecting (loading) the LNG into the storage tank or discharging (unloading) the injected LNG is not affected by the deformation even at an extreme temperature, There should be no freezing from various extreme natural disasters.

Typically, LNG is transported at a vapor pressure slightly above atmospheric pressure and at boiling temperatures of about -260 ° F (-160 ° C), all containment systems must be constructed of materials that can withstand extremely low temperatures, To prevent thermal influences and to prevent the cooling of the ship's basic hull structure.

In addition, there has been a phenomenon that, when a cryogenic fluid flows in a pipe as in the conventional Korean Patent Registration No. 1226006 (pipe supporting structure), the pipe causes a lot of thermal deformation, and accordingly, And the stress of the pipe body increases when the support device strongly restricts the pipe when the pipe is deformed.

Conventionally, there has been proposed a pipe body having a rigid support structure and a relaxed structure to prevent the expansion of the slide padding due to the expansion of the pipe to prevent the pipe from reaching the support device by mounting a centrifugal plate between the pipe and the support device supporting the pipe. And a supporting device were developed.

However, in the case of a conventional LNG carrier, since the pipe and the supporting device are fixed on the deck of the ship, rain, water spray or the like comes into contact with the pipe provided on the deck and the supporting device when the user navigates the polar regions, The pipe and the supporting device can not exhibit their original functions due to the problem of melting thick ice at the pipe portion provided with the supporting device when loading or unloading the LNG.

In other words, when the pipe is deformed due to a temperature difference, the slide padding, which is installed between the pipe and the support device and guides the pipe so as to move freely without impact, is frozen, There was a problem that disaster could occur.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a canvassing housing for covering a pipe body provided on a deck of a LNG carrier and a support for supporting the pipe body, And the canvas housing is made of a closed-type membrane material having no movement of air, so that extreme air outside is blocked to maintain the warmth, and the canvas housing is provided with pipes The contact piece is integrally formed with the membrane member so as to closely adhere to the outer circumferential surface of the body so as to block rainwater or the like from the outside to prevent freezing of the pipe body and the support portion.

The present invention relates to a piping system for a LNG carrier operating on an offshore LNG carrier, comprising: a pipe main body installed on a deck for loading or unloading the LNG from a storage tank installed in a hull of an LNG carrier; A centrifugal plate provided on an outer oblique side of the clamp with clamps coupled to an outer circumferential surface of the pipe body corresponding to the inside of the support; The deck pipe body supporting portion of the LNG carrier of the polarity operated by the sliding pad,

A first support surface that is larger in width than an upper surface of the support portion while being in contact with an upper surface of the support portion, and a support piece that is bent at a left end and a right end of the first support surface, And a second support surface that is bent upward and downwardly of the first support surface and extends vertically downwardly,

A support portion having the support cover, and a box-shaped lower portion opened to cover the pipe body protruding from both sides of the support portion, the inlet opening being formed at both sides thereof, and the first opening portion having the lower one- A deck pipe body supporting portion of the polar-operated LNG carrier, which is composed of a canvas housing which is formed integrally with the inner circumferential surface of the inlet to form an annular adhered portion protruding outwardly, And a freezing prevention device.

The present invention also provides an anti-icing device provided on a deck pipe body support portion of an LNG carrier for polarity navigation, wherein the opposite ends of the first opening formed below the inlet of the canvas housing are connected to each other.

In addition, a plurality of connection holes are formed at a lower end portion of the canvas housing at equal intervals, and a tightening strap is provided so as to be inserted through the connection holes.

Meanwhile, the canvas housing is provided on a deck pipe body supporting portion of an LNG carrier of polarity which is made of a waterproof membrane.

According to the ice-making apparatus provided on the deck pipe body support portion of the polar-operated LNG carrier, a canvas housing that covers the pipe body provided on the deck of the LNG ship and the support portion supporting the pipe body is provided, It is possible to prevent a serious disaster such as breakage of the pipe main body or the support part by preventing the freezing of the canvas housing by blocking contact.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of a pipe main body and a support portion installed on a deck of an LNG carrier according to the present invention. FIG.
Fig. 2 is a structural view of a pipe body and a support portion " A " in a deck of an LNG carrier according to an embodiment of the present invention shown in Fig.
3 is a front view of a pipe body and a support portion installed on the deck of the LNG carrier according to the embodiment of the present invention shown in FIG.
4 is a structural view showing a pipe body installed on a deck of an LNG carrier according to an embodiment of the present invention and a freezing prevention device for covering the support part.
5 is an assembled structure in which a support cover is installed on an upper surface of a support of a pipe body installed on a deck of an LNG carrier according to an embodiment of the present invention.
FIG. 6 is a cross-sectional view of a support body of a pipe body installed on a deck of an LNG carrier according to an embodiment of the present invention.
7 is a structural view of a canvas housing covering a support portion of a pipe body installed on a deck of an LNG carrier according to an embodiment of the present invention.
FIG. 8 is an enlarged view of a "B" portion of a canvas housing that covers a support portion of a pipe body installed on a deck of an LNG ship according to an embodiment of the present invention shown in FIG. 7;
Fig. 9 is a cross-sectional view of a section of a canvas housing which is cut off at a portion "C" of a can body which covers a supporting portion of a pipe body installed on a deck of an LNG carrier according to an embodiment of the present invention shown in Fig. 7;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The detailed structure of the LNG storage tank of the LNG carrier and the pipe main body connected to the LNG storage tank and the pipe main body connected to the LNG storage tank are not shown, and only the pipe body installed on the deck of the LNG carrier, Specificity is given to the structure in which the device is installed, and the following description will be given.

1 to 3, the support portion 20 is installed on the outer peripheral surface of the pipe body 10 while supporting the pipe body 10 so that the pipe body 10 is placed on the deck of the LNG carrier The clamp 13 is joined to the outer peripheral surface of the pipe body 10 corresponding to the inside of the support portion 20 so as to support the external force of the pipe body 10 due to the expansion and contraction of the pipe body 10 on which the LNG fluid moves And a support portion 20 is provided so as to be in contact with the U-SHIM PLATE 14 of the clamp 13 and the centrifugal plate 14 respectively provided on the outer oblique sides of the clamp 13, And a sliding pad 21 for supporting the movement of the pipe body 10 by such an external force is provided at the lower end of the sliding pad 21 So as to provide the structure of the support portion 20.

The pipe body 10 has a pipe 11 formed therein and a pipe body 10 surrounded by the heat insulating member 12 on the outer circumferential surface of the pipe 11.

In order to solve the problem of freezing in a cryogenic condition occurring in the support part 20, the present invention provides a frost protection device 100 (hereinafter, referred to as " cooling device ") that covers the pipe body 10 bound to the support part 20 and the support part 20 ).

As shown in FIGS. 1 to 8, the present invention relates to a pipe main body 10 installed on a deck for loading or unloading the LNG from a storage tank provided in a hull of an LNG carrier operating in polar directions, And a clamp 13 is coupled to the outer circumferential surface of the pipe body 10 corresponding to the inside of the support portion 20 so as to support the pipe body 10 in a state of being hung on the upper portion of the deck, And a sliding pad 21 disposed inside the support portion 20 so as to be in contact with the centrifugal plate 14 of the clamp 13, respectively, so as to be in contact with the centrifugal plate 14 of the clamp 13, A deck pipe body supporting part of an LNG carrier for an offshore operation, comprising a first supporting surface (210) forming a larger width than an upper surface of the supporting part (20) while being in contact with an upper surface of the supporting part (20) The left side of the first supporting surface 210 And a second support surface 230 that is bent upwardly and downwardly and is vertically extended downwardly from the first support surface 210, The support cover 200 includes a supporting portion 20 provided with the support cover 200 and a box body 10 which is opened to cover the pipe body 10 projected on both sides of the support portion 20 A first opening 311 is formed at one side of the lower side of the inlet 310 and a second opening 311 is formed at the lower side of the inlet 310. The first opening 311 is integrally connected to the inner circumferential surface of the inlet 310, Is mounted on the deck pipe body support portion of the polar ship-operated LNG carrier which is composed of the canvas housing (300) having the contact piece (320) of the contact piece (320) and the second open portion (321) (Hereinafter referred to as " freezing prevention device " ).

As shown in FIGS. 1 and 4, the present invention is characterized in that the pipe body 10 provided on the deck of the LNG carrier and the pipe body 10 have a plurality of support portions 20 at predetermined intervals, 20 supports the pipe body 10 and supports the pipe body 10 provided with the support part 20 so as to be installed in an excited state on the upper part of the deck so as to block the contact of foreign substances such as rainwater Freezing prevention device 100 is provided.

The first support surface 210 and the second support surface 210 are formed on the upper surface of the support portion 20 so as to have a width larger than the width of the upper surface of the support portion 20, And a second support surface 230 bent upward and downward from the first support surface 210 and extending downwardly and vertically, respectively, 200 are provided on the upper surface of the support portion 20.

6 to 8, a support portion 20 having the support cover 200 and a box-shaped lower portion opened to cover the pipe body 10 protruding from both sides of the support portion 20 And a first opening 311 is formed at the lower side of the lower side of the inlet 310. The first opening 311 is integrally connected to the inner peripheral surface of the inlet 310 and protrudes outward The canvas housing 300 is formed with a ring-shaped contact piece 320 and a second opening 321 formed under the contact piece 320.

The first support surface 210 of the support cover 200 is formed by forming a first support surface 210 having a width larger than that of the upper surface of the support portion 20 by being contacted with the upper surface of the support portion 20, The upper surface of the canvas housing 300 into which the support cover 200 is inserted is brought into contact with the upper surface of the first support surface 210 of the support cover 200 so as to have a greater width than the upper surface of the support portion 20, As shown in FIG.

The inlet 310 formed on both sides of the canvas housing 300 covers a part of the pipe body 10 protruding from the pipe body 10 protruding from both sides of the support portion 20.

At this time, a ring-shaped tightening piece 320 integrally connected to the inner circumferential surface of the inlet 310 of the canvas housing 300 and protruding outwardly is formed so that the outer circumferential surface of the inner pipe body 10 is closely contacted with the inlet 310 The rainwater or the like is prevented from flowing into the pipe body 10.

7 and 8, in order to cover the support 20 and the pipe body 10 into the canvas housing 300, the canvas housing 300 is vertically disposed below the inlet 310 of the canvas housing 300 The first opening 311 is formed by cutting the first opening 311 from the inner circumference of the inlet 310 to the end of the inlet 310 so that the pipe body 10 is separated from the first opening 311 (Not shown).

The second open portion 321 is formed on one side of the contact piece 320 integrally connected to the inner circumferential surface of the inlet 310 so that the pipe body 10 can be seated on the inlet 310, (321) to guide the pipe body (10) to the inlet (310).

Of course, it is obvious that the second opening 321 is formed on one side of the contact piece 320 matching the position where the first opening 311 is formed.

As shown in FIG. 8, the LNG carrier of the polarized navigation system further includes a coupling member 330 such that both side ends of the first opening 311 formed below the inlet 310 of the canvas housing 300 are connected to each other Provided is a freezing prevention device provided on a deck pipe body supporting part.

When the pipe body 10 is seated inside the inlet 310 of the canvas housing 300, a fastening member 330 such as a Velcro tape is provided at both ends of the first opening 311, The contact pieces 320 are provided to firmly bind to the outer peripheral surface of the pipe body 10 and to maintain airtightness.

7 and 8, a plurality of connection holes 301 are formed at equal intervals on the lower end of the canvas housing 300, and the tightening cords 340 are inserted into the connection holes 301 through the connection holes 301 The present invention provides an anti-freezing device provided on a deck pipe body support portion of an LNG carrier for polarity navigation.

The bottom of the canvas housing 300 is fixed to the canvas housing 300 such that the canvas housing 300 has a support portion 20 and a rigid fastening structure from the support portion 20 covering a part of the pipe body 10 projected to the support portion 20. [ A tightening string 340 is inserted into a plurality of equally spaced connection holes 301 in the longitudinal direction of the frame and the tightening straps 340 are pulled so that the lower end of the canvas housing 300 is closely contacted to the inside of the support portion 20, .

9, the canvas housing 300 is formed of a material 350 having a waterproof property, and the freezing surface of the deck pipe body supporting portion of the LNG carrier, Prevention device.

The canvas housing 300 prevents water such as rainwater and water spray from being infiltrated and prevents freezing of the support portion 20 and the pipe body 10 accommodated in the canvas housing 300, And is provided with a water resistant material 350.

The membrane material 350 is widely used for an outdoor pavement tent structure having excellent durability and nonflammability as a fabric structure like a tent, but it is obvious that the membrane material of the present invention uses a membrane material 350 which can withstand extreme temperatures.

The carbon fiber netting 351 is immersed in a first mixture of paraffin and graphite powder in a weight ratio of 1: 1, dried and then dried on the upper and lower surfaces of the carbon fiber netting 351 1 coating layer 352 is formed on the top surface of the first coating layer 352 formed on the top surface of the carbon fiber netting 351 and a second mixture of melamine resin and titanium dioxide mixed in a weight ratio of 2: And the carbon fiber netting 351 is made of a carbon fiber and has a high thermal conductivity. The carbon fiber netting 351 has a high thermal conductivity, Is maintained at a temperature higher than the atmospheric temperature, thereby preventing freezing.

A first coating layer 352 coated with a first mixture of paraffin and graphite powder in a weight ratio of 1: 1 is formed on the upper and lower surfaces of the carbon fiber netting 351, And uses paraffin having a low thermal conductivity and releasing heat slowly to prevent heat radiated to the first coating layer 352 from being radiated to the outside.

A second coating layer 353 for coating a second mixture of melamine resin and titanium dioxide in a weight ratio of 2: 1 is formed on the top surface of the first coating layer 352 to absorb the radiant heat, Titanium dioxide is used to rapidly transfer the carbon nanotubes 352 to the carbon fiber elongated body 351 and a second coating layer 353 containing melamine resin having water resistance and thermal stability is formed.

Further, a sheet layer formed by at least one material selected from the group consisting of polyethylene (PE), polypropylene (PP), polyester (PET) and ethylene vinyl acetate (EVA) To constitute a membrane.

It may be formed of a single material of polyethylene (PE), polypropylene (PP), polyester (PET), ethylene vinyl acetate (EVA), or a composite thereof to have structural stability.

In addition, a polypropylene (PP) nonwoven fabric or a polyester (PET) nonwoven fabric may be formed in any structure selected from the group consisting of a carbon fiber netting layer and a sheet layer instead of the carbon fiber netting layer. (Fiber Glass Mesh), it is possible to achieve more structural stability.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims. It can be understood that it is possible.

A first support surface 210, a second support surface 220, a second support surface 220, a second support surface 210, a second support surface 210, : 230, canvas housing: 300, connecting hole: 301, inlet: 310, first opening: 311, close contact: 320, second opening: 321, fastening member: 330,

Claims (4)

A pipe main body installed on a deck for flowing or loading or unloading LNG from a storage tank provided in a hull of an LNG carrier to be operated in polar directions; The clamping device according to any one of claims 1 to 3, further comprising: a support plate (10); a support plate (11); a centrifugal plate (11) provided on an outer projected surface of the clamp The deck pipe body support portion of an LNG carrier for an off-
A first support surface that is larger in width than an upper surface of the support portion while being in contact with an upper surface of the support portion, and a support piece that is bent at a left end and a right end of the first support surface, And a second support surface that is bent upward and downward from the first support surface and extends vertically downward,
A support portion having the support cover, and a box-shaped lower portion opened to cover the pipe body protruding from both sides of the support portion, the inlet opening being formed at both sides thereof, and the first opening portion having the lower one- And a canvas housing formed integrally with the inner circumferential surface of the inlet to form a ring-shaped contact piece protruding outwardly, the second open portion being cut out from the lower side of the contact piece,
Wherein the fastening member is provided on both sides of the first opening formed below the inlet of the canvas housing so as to be connected to each other.
delete The LNG carrier as claimed in claim 1, wherein a plurality of connection holes are formed at equal intervals on a lower end of the canvas housing, and a tightening strap is provided to be inserted through the connection hole. Anti-icing device. The method of claim 1 or 3, wherein the material of the canvas housing is a membrane material, and the membrane material is obtained by immersing a carbon fiber netting in a first mixture of paraffin and graphite powder in a weight ratio of 1: And a second coating layer formed on the top / bottom surface of the carbon fiber netting to form a first coating layer and a second mixture of melamine resin and titanium dioxide in a weight ratio of 2: 1 on the top surface of the first coating layer It is installed on the deck pipe body supporting part of the polarized navigation LNG ship.
KR1020140039295A 2014-04-02 2014-04-02 Icing protective device installed deck pipe-assembly support plate of LNG vessels sailing polar region KR101424419B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140039295A KR101424419B1 (en) 2014-04-02 2014-04-02 Icing protective device installed deck pipe-assembly support plate of LNG vessels sailing polar region

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140039295A KR101424419B1 (en) 2014-04-02 2014-04-02 Icing protective device installed deck pipe-assembly support plate of LNG vessels sailing polar region

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102235656B1 (en) 2020-02-26 2021-04-05 주식회사 현대폴리텍 Method for manufaturing the deck clamp for mounting deck pipes on LNG ship

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6035887A (en) * 1997-07-09 2000-03-14 Cato; Steven H. Valve assembly
KR20120003025U (en) * 2010-10-25 2012-05-03 대우조선해양 주식회사 System for preventing freesing of anchor and ship having the same
KR20120119645A (en) * 2011-04-22 2012-10-31 삼성중공업 주식회사 System for protecting pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6035887A (en) * 1997-07-09 2000-03-14 Cato; Steven H. Valve assembly
KR20120003025U (en) * 2010-10-25 2012-05-03 대우조선해양 주식회사 System for preventing freesing of anchor and ship having the same
KR20120119645A (en) * 2011-04-22 2012-10-31 삼성중공업 주식회사 System for protecting pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102235656B1 (en) 2020-02-26 2021-04-05 주식회사 현대폴리텍 Method for manufaturing the deck clamp for mounting deck pipes on LNG ship

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