CN107253511A - A kind of ship automatic water supplement type water seal scupper - Google Patents
A kind of ship automatic water supplement type water seal scupper Download PDFInfo
- Publication number
- CN107253511A CN107253511A CN201710485080.8A CN201710485080A CN107253511A CN 107253511 A CN107253511 A CN 107253511A CN 201710485080 A CN201710485080 A CN 201710485080A CN 107253511 A CN107253511 A CN 107253511A
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- CN
- China
- Prior art keywords
- water
- scupper
- manhole cover
- supply tank
- accommodating chamber
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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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
- B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Gasket Seals (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention discloses a kind of ship automatic water supplement type water seal scupper, including scupper body, manhole cover and water supply tank, scupper body has the body first end of opening and the end of body second of sealing, there is accommodating chamber in scupper body, leak pipe is provided with accommodating chamber, the first end of leak pipe is arranged in accommodating chamber, and the second end of leak pipe is extended to outside accommodating chamber through the end of body second；Manhole cover is located at the first end of leak pipe, and the gap for circulation of supplying water is respectively provided between the madial wall of manhole cover and the lateral wall of leak pipe, between the first end of the top of manhole cover and leak pipe；Water supply tank is arranged in accommodating chamber and moisturizing hole is offered on the side of manhole cover, water supply tank, and moisturizing hole is arranged on the top of the waterline of scupper water-stop failure.Prior art is contrasted, ship automatic water supplement type water seal scupper of the invention has simple in construction, the good advantage of water-stop effect.
Description
Technical field
The invention belongs to shipbuilding technical field, more particularly to a kind of ship automatic water supplement type water seal scupper.
Background technology
Scupper is usually provided with the deck plane of ship, when needing to carry out draining to deck plane, this leak can be passed through
Mouth carries out draining.The existing deck plane with airtight requirement uses in practical operation and watertight sealed knot is set at scupper
Structure, to ensure airtight effect.But if deck plane is chronically at air-dried state, watertight construction be able to may fail, i.e.,
In the case where long-time is without outside moisturizing, the water seal resistance of scupper will thoroughly disappear.
The content of the invention
It is an object of the invention to：A kind of ship automatic water supplement type water seal scupper is provided, its is simple in construction, can be right in time
The scupper of ship carries out moisturizing, to ensure that watertight construction does not fail, and then ensures to set the gas of the deck plane of this scupper
Close property.
For up to above-mentioned purpose, the present invention uses following technical scheme：
A kind of ship automatic water supplement type water seal scupper is provided, including：
Scupper body, the scupper body has the body first end of opening and the end of body second of sealing, described
Have in scupper body and leak pipe is provided with accommodating chamber, the accommodating chamber, the first end of the leak pipe is arranged on described
In accommodating chamber, the second end of the leak pipe is extended to outside the accommodating chamber through the end of body second；
Manhole cover, the manhole cover is located at the first end of the leak pipe, the madial wall of the manhole cover and the leakage
It is respectively provided between the lateral wall of water pipe, between the first end of the top of the manhole cover and the leak pipe between water supply circulation
Gap；
Water supply tank, the water supply tank is arranged in the accommodating chamber and positioned at the side of the manhole cover, the water supply tank
On offer moisturizing hole, the moisturizing hole is arranged on the top of the waterline of scupper water-stop failure.
Further, the second end of the leak pipe is fixed with adpting flange.
Further, the end of body second offers the mounting hole passed through for the leak pipe；
The leak pipe is welded after the mounting hole with the end of body second；Or, the inwall of the mounting hole with
Sealing structure is set between the lateral wall of the leak pipe.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, between the water supply tank and horizontal plane away from
From no more than 9.8m.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the side of the water supply tank is provided for choosing
Selecting property carries out the filling pipe of moisturizing to it, and one end of the filling pipe is connected with the inside of the water supply tank, and the other end is extended to
The scupper is originally connected with outer tank in vitro.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the filling pipe is connected with the water supply tank
One end position be higher than the moisturizing hole position.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the water supply tank is interior and positioned at moisturizing hole
Top sets the first level sensor, and the top of the water supply tank sets the second level sensor, first level sensor
It is connected with second level sensor with controller, the controller is with controlling the valve of the filling pipe connection to be connected.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the filling pipe by water pump with it is described outer
Portion's water tank connection, the water pump is connected with the controller.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the body first end is provided with hydrophobic
Some filter bores are opened up on plate, the water draining plate.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the inwall of the accommodating chamber is adjacent to described
Body first end annular, which is set, to be opened up on screwed hole, the water draining plate at least three fixed blocks, the fixed block described in correspondence
Screwed hole opens up positioning hole, is detachably connected between the water draining plate and the fixed block by screw.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the manhole cover has the manhole cover of opening
First end and the end of manhole cover second of sealing, the end of manhole cover second are adjacent to the water draining plate and set, and pass through fixed spiral shell
Bolt is detachably connected with the water draining plate.
Further, the spacing between the bottom of the manhole cover first end and the accommodating chamber is not less than 15mm.
It is preferred that, the spacing between the bottom of the first end of the manhole cover and the accommodating chamber is 23mm.
It is preferred that, the shape phase of the appearance and size of the water draining plate and the accommodating chamber adjacent to the body first end
Match somebody with somebody, when the water draining plate be arranged on the accommodating chamber in when, the water draining plate away from the one side in the accommodating chamber with it is described
The end face of body first end is concordant.
As a kind of preferred scheme of ship automatic water supplement type water seal scupper, the manhole cover is surround in the accommodating chamber
It is provided with multiple water supply tanks.
Beneficial effects of the present invention are：By setting manhole cover in the first end shield of leak pipe, and in manhole cover and leak pipe
Between set supply water circulation gap, it is possible to use this manhole cover to leak pipe carry out water-stop, it is ensured that scupper need not
Air-tightness during draining；Moisturizing hole is opened up by setting water supply tank in the accommodating chamber of scupper body, and on water supply tank, is mended
The position in water hole is arranged on the top of the waterline of water-stop failure again, when water level that can be in accommodating chamber is less than moisturizing hole,
Moisturizing is carried out to accommodating chamber by water supply tank immediately so that the water level in accommodating chamber remains at the top of waterline, effectively
The situation of anti-waterstop sealing failure occurs, when waterline exceedes moisturizing hole, and the water in water supply tank will no longer flow out, for next time
Moisturizing is used.Prior art is contrasted, ship automatic water supplement type water seal scupper of the invention has simple in construction, water-stop effect
Good advantage.
Brief description of the drawings
The present invention is described in further detail below according to drawings and examples.
Fig. 1 is the sectional view of the ship automatic water supplement type water seal scupper described in the embodiment of the present invention.
Fig. 2 is Fig. 1 A-A schematic cross-sectional views.
In figure：
1st, scupper body；11st, accommodating chamber；2nd, leak pipe；3rd, manhole cover；31st, manhole cover first end；32nd, manhole cover
Two ends；4th, water supply tank；41st, moisturizing hole；5th, adpting flange；6th, water draining plate；7 fixed blocks；8th, fixing bolt.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
The technical scheme of the embodiment of the present invention will be described in further detail with reference to accompanying drawing, it is clear that described embodiment is only
It is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
In the description of the invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect,
It can be electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be the company of two element internals
The interaction relationship of logical or two elements.For the ordinary skill in the art, it can understand above-mentioned with concrete condition
The concrete meaning of term in the present invention.
As illustrated in fig. 1 and 2, in the present embodiment, ship automatic water supplement type water seal scupper of the invention, including：Leak
With appearance in mouth body 1, the end of body second of body first end and sealing of the scupper body 1 with opening, scupper body 1
Receive chamber 11, be provided with leak pipe 2 in accommodating chamber 11, the first end of leak pipe 2 is arranged in accommodating chamber 11, the second of leak pipe 2
End is extended to outside accommodating chamber 11 through the end of body second；Manhole cover 3, manhole cover 3 is located at the first end of leak pipe 2, manhole cover 3
Madial wall and leak pipe 2 lateral wall between, water supply stream is respectively provided between the first end of the top of manhole cover 3 and leak pipe 2
Logical gap；Water supply tank 4, water supply tank 4 is arranged in accommodating chamber 11 and offers benefit on the side of manhole cover 3, water supply tank 4
Water hole 41, moisturizing hole 41 is arranged on the top of the waterline of scupper water-stop failure.Set by the first end shield in leak pipe 2
Manhole cover 3, and the gap supplied water and circulated is set between manhole cover 3 and leak pipe 2, it is possible to use this manhole cover 3 is to leak pipe 2
Carry out water-stop, it is ensured that air-tightness of the scupper when not needing draining；By being set in the accommodating chamber 11 in scupper body 1
Water supply tank 4, and moisturizing hole 41 is opened up on water supply tank 4, the position in moisturizing hole 41 is arranged on the waterline of water-stop failure again
Top, can carry out moisturizing by water supply tank 4 to accommodating chamber 11 immediately when the water level in accommodating chamber 11 is less than moisturizing hole 41,
So that the water level in accommodating chamber 11 remains at the top of waterline, the situation of effectively anti-waterstop sealing failure occurs, and works as water
When bit line exceedes moisturizing hole 41, the water in water supply tank 4 will no longer flow out, so that next moisturizing is used.Contrast prior art, this hair
Bright ship automatic water supplement type water seal scupper has simple in construction, the good advantage of water-stop effect.
Further, the second end of leak pipe 2 is fixed with adpting flange 5.
Further, the end of body second offers the mounting hole passed through for leak pipe 2；After the penetrating mounting holes of leak pipe 2 with
Weld at the end of body second；Or, sealing structure is set between the inwall of mounting hole and the lateral wall of leak pipe 2.
In a preferred embodiment of the invention, the distance between water supply tank 4 and horizontal plane are not more than 9.8m.Pass through
Height between water supply tank 4 and horizontal plane is set smaller than 9.8m, the i.e. height less than an atmospheric pressure, it is ensured that moisturizing
Water smoothly can be discharged into accommodating chamber 11 by the water in case 4 when moisturizing hole 41 is exposed.
In another preferred embodiment of the present invention, the side of water supply tank 4 is provided for selectivity and it is mended
The filling pipe of water, one end of filling pipe is connected with the inside of water supply tank 4, and the other end is extended to outside scupper body 1 and external water
Case is connected.By setting filling pipe, the water in water supply tank 4 can be supplemented as needed, it is ensured that follow-up water-stop is mended
Water conservancy project is made to be normally carried out, and the entirety of water supply tank 4 need not be moved to by this mode also can be to water supply tank 4 outside scupper body 1
Moisturizing work is carried out, operation difficulty is reduced.
In the present embodiment, the position of one end that filling pipe is connected with water supply tank 4 is higher than the position in moisturizing hole 41.By inciting somebody to action
The water inlet of filling pipe is arranged on the top in moisturizing hole 41, can effectively prevent filling pipe from, when carrying out moisturizing to water supply tank 4, mending
The water filled is directly expelled in the accommodating chamber 11 of scupper body 1 by moisturizing hole 41, you can so that water directly to be replenished to water supply tank 4
It is interior, further according to actual working condition (when such as waterline is less than moisturizing hole 41) again by the water in water supply tank 4 by the row of moisturizing hole 41
Go out and water-stop moisturizing is carried out into accommodating chamber 11.
In actual application, what is installed due to this scupper is airtight knot on deck plane in the cabin of ship
The air pressure in the cabin of structure is generally greater than the air pressure outside ship, therefore can be in manhole cover in the case of scupper water-stop is normal
The water-stop water column of certain distance is formed between 3 inwall and the lateral wall of leak pipe 2, is only lost in waterline less than water-stop
During the waterline of effect, water-stop water column is only possible to disappear, and causes water-stop to fail, therefore is done before moisturizing and can protect
Demonstrate,prove effective water-stop.
In the present embodiment, in water supply tank 4 and positioned at first level sensor of top setting in moisturizing hole 41, water supply tank 4
Top the second level sensor is set, the first level sensor is connected with the second level sensor with controller, controller
It is connected with the valve of control filling pipe connection.By setting the first level sensor to detect when the water level mistake in water supply tank 4
It can carry out moisturizing when low to it in time, and set the second level sensor to be then to ensure the energy under full water state of water supply tank 4
Stop moisturizing in time.
In other embodiments, filling pipe is connected by water pump with outer tank, and water pump is connected with controller.By setting
Water pump, it is possible to reduce the time of the moisturizing of water supply tank 4, and can utilize the pressure of this water pump that water is full of into water supply tank 4.
In another preferred embodiment of the present invention, body first end is provided with water draining plate 6, water draining plate 6 and opened up
Some filter bores.By being provided with the water draining plate 6 of filter bores, impurity effectively can be prevented in the case where ensureing proper drainage
Enter in accommodating chamber 11, to avoid impurity from blocking the water-stop gap between manhole cover 3 and leak pipe 2, it is ensured that leak pipe 2
Proper drainage, and effectively anti-waterstop sealing failure.
In the present embodiment, the inwall of accommodating chamber 11 is adjacent to body first end annular and sets at least three fixed blocks 7, Gu
Determine to open up screwed hole on block 7, correspondence screwed hole opens up positioning hole on water draining plate 6, and screw is passed through between water draining plate 6 and fixed block 7
It is detachably connected.By setting fixed block 7, water draining plate 6 can be detachably arranged on scupper body 1 by screw, can
So that water draining plate 6 to be fixed, prevent it from shifting in use.
In the present embodiment, manhole cover 3 has the manhole cover first end 31 of opening and the second end of manhole cover 32 of sealing, water
Cover the second end 32 and be adjacent to water draining plate 6 and set, and be detachably connected by fixing bolt 8 with water draining plate 6.
Further, the spacing between the bottom of manhole cover first end 31 and accommodating chamber 11 is not less than 15mm.In this implementation
In example, the spacing between the first end of manhole cover 3 and the bottom of accommodating chamber 11 is 23mm.
It is preferred that, the shape of the appearance and size and the adjacent body first end of accommodating chamber 11 of water draining plate 6 matches, and works as water draining plate
6 be arranged on accommodating chamber 11 in when, water draining plate 6 is concordant with the end face of body first end away from the one side in accommodating chamber 11.Pass through
Water draining plate 6 is arranged in accommodating chamber 11 and makes its upper surface concordant with the end face of body first end, impurity can be effectively prevented
Accumulate here.
In another preferred embodiment of the present invention, manhole cover 3 is provided with multiple water supply tanks in accommodating chamber 11
4。
In the specific embodiment of the present invention, as illustrated in fig. 1 and 2, this ship automatic water supplement type water seal scupper
Including scupper body 1, leak pipe 2, manhole cover 3, water supply tank 4, adpting flange 5, water draining plate 6, fixed block 7 and fixing bolt
8, wherein, scupper body 1 is cylindrical, the end of body second of its body first end with opening and sealing, in scupper
There is in body 1 accommodating chamber 11, mounting hole is opened up in the bottom centre of accommodating chamber 11, leak pipe 2 through this mounting hole and with appearance
Receive the bottom welding of chamber 11, the first end of leak pipe 2 is located in accommodating chamber 11, the other end is located at that accommodating chamber 11 is outer and adpting flange
5 welding, are adjacent to body first end annular in the inwall of accommodating chamber 11 and set four fixed blocks 7, water draining plate 6 is arranged on fixed block
7 away from the side inside accommodating chamber 11, and is detachably connected by screw with fixing hole 7, water draining plate 6 away from accommodating chamber 11 inside
One side it is concordant with the end face of body first end, some filter bores are set on water draining plate 6.
Manhole cover 3 is cylindrical, the second end of manhole cover 32 of its manhole cover first end 31 with opening and sealing, water seal
Lid 3 is located at the first end of leak pipe 2, and manhole cover first end 31 is set adjacent to the bottom of accommodating chamber 11, between the two between
Away from 23mm, the adjacent body first end of the second end of manhole cover 32 is set, the centrally disposed through hole in the second end of manhole cover 32, fixing bolt 8
The screwed hole opened up through this through hole with the center of water draining plate 6 is detachably connected.
Between the madial wall of manhole cover 3 and the lateral wall of leak pipe 2, the end face of the first end of leak pipe 2 and manhole cover
The gap for circulation of supplying water is respectively provided between two ends 32.
Four water supply tanks 4 are set in accommodating chamber 11, and four water supply tanks 4 are set around the outside wall circular of manhole cover 3, water supply tank
Length direction extension of the length of 4 rectangular tubuloses, sealing two ends, and water supply tank 4 along scupper body 1, its lower end is with accommodating
The bottom of chamber 11 is abutted, and upper end is abutted with water draining plate 6, and moisturizing hole 41 is opened up in the side of water supply tank 4, and the height in moisturizing hole 41 is high
The height of waterline when this scupper water-stop fails.
In the description of this specification, the description of reference term " embodiment ", " example " etc. means to combine the embodiment
Or specific features, structure, material or the feature of example description are contained at least one embodiment of the present invention or example.
In this specification, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the tool of description
Body characteristicses, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of ship automatic water supplement type water seal scupper, it is characterised in that including：
Scupper body, the scupper body has the body first end of opening and the end of body second of sealing, the leak
Have in mouth body in accommodating chamber, the accommodating chamber and be provided with leak pipe, the first end of the leak pipe is arranged on the receiving
Intracavitary, the second end of the leak pipe is extended to outside the accommodating chamber through the end of body second；
Manhole cover, the manhole cover is located at the first end of the leak pipe, the madial wall of the manhole cover and the leak pipe
Lateral wall between, the gap of circulation of supplying water is respectively provided between the first end of the top of the manhole cover and the leak pipe；
Water supply tank, the water supply tank is arranged in the accommodating chamber and opened on the side of the manhole cover, the water supply tank
Provided with moisturizing hole, the moisturizing hole is arranged on the top of the waterline of scupper water-stop failure.
2. ship automatic water supplement type water seal scupper according to claim 1, it is characterised in that the water supply tank and level
The distance between face is not more than 9.8m.
3. ship automatic water supplement type water seal scupper according to claim 1, it is characterised in that the side of the water supply tank
The filling pipe that selectivity carries out moisturizing to it is provided for, one end of the filling pipe is connected with the inside of the water supply tank, separately
One end extends to the scupper and originally connected in vitro with outer tank.
4. ship automatic water supplement type water seal scupper according to claim 3, it is characterised in that the filling pipe with it is described
The position of one end of water supply tank connection is higher than the position in the moisturizing hole.
5. ship automatic water supplement type water seal scupper according to claim 3, it is characterised in that in the water supply tank and position
The first level sensor is set in the top in moisturizing hole, the top of the water supply tank sets the second level sensor, described first
Level sensor is connected with second level sensor with controller, what the controller was connected with controlling the filling pipe
Valve is connected.
6. ship automatic water supplement type water seal scupper according to claim 5, it is characterised in that the filling pipe passes through water
Pump is connected with the outer tank, and the water pump is connected with the controller.
7. the ship automatic water supplement type water seal scupper according to any one of claim 1 to 6, it is characterised in that described
Body first end is provided with water draining plate, the water draining plate and opens up some filter bores.
8. ship automatic water supplement type water seal scupper according to claim 7, it is characterised in that the inwall of the accommodating chamber
It is adjacent on body first end annular at least three fixed blocks of setting, the fixed block and opens up screwed hole, the water draining plate
The upper correspondence screwed hole opens up positioning hole, is detachably connected between the water draining plate and the fixed block by screw.
9. ship automatic water supplement type water seal scupper according to claim 8, it is characterised in that the manhole cover, which has, to be opened
The manhole cover first end of mouth and the end of manhole cover second of sealing, the end of manhole cover second are adjacent to the water draining plate and set, and
It is detachably connected by fixing bolt with the water draining plate.
10. the ship automatic water supplement type water seal scupper according to any one of claim 1 to 6, it is characterised in that the appearance
Intracavitary of receiving is provided with multiple water supply tanks around the manhole cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485080.8A CN107253511A (en) | 2017-06-23 | 2017-06-23 | A kind of ship automatic water supplement type water seal scupper |
| PCT/CN2017/108823 WO2018233178A1 (en) | 2017-06-23 | 2017-10-31 | Automatic water supplement type water seal scupper for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710485080.8A CN107253511A (en) | 2017-06-23 | 2017-06-23 | A kind of ship automatic water supplement type water seal scupper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107253511A true CN107253511A (en) | 2017-10-17 |
Family
ID=60023352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710485080.8A Pending CN107253511A (en) | 2017-06-23 | 2017-06-23 | A kind of ship automatic water supplement type water seal scupper |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107253511A (en) |
| WO (1) | WO2018233178A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233178A1 (en) * | 2017-06-23 | 2018-12-27 | 广船国际有限公司 | Automatic water supplement type water seal scupper for ships |
| CN111439338A (en) * | 2020-04-17 | 2020-07-24 | 中船黄埔文冲船舶有限公司 | Water return-proof water leakage port |
| CN111688879A (en) * | 2020-04-30 | 2020-09-22 | 广州文冲船厂有限责任公司 | Method for installing water leaking port of ship deck |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239660B (en) * | 2019-06-26 | 2021-01-29 | 浙江海洋大学 | Special sewage well of easily installing of boats and ships |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233178A1 (en) * | 2017-06-23 | 2018-12-27 | 广船国际有限公司 | Automatic water supplement type water seal scupper for ships |
| CN111439338A (en) * | 2020-04-17 | 2020-07-24 | 中船黄埔文冲船舶有限公司 | Water return-proof water leakage port |
| CN111688879A (en) * | 2020-04-30 | 2020-09-22 | 广州文冲船厂有限责任公司 | Method for installing water leaking port of ship deck |
| CN111688879B (en) * | 2020-04-30 | 2021-11-30 | 广州文冲船厂有限责任公司 | Method for installing water leaking port of ship deck |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018233178A1 (en) | 2018-12-27 |
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