CN107207075A - Opening and closing device, scaffold and ship - Google Patents
Opening and closing device, scaffold and ship Download PDFInfo
- Publication number
- CN107207075A CN107207075A CN201580074741.7A CN201580074741A CN107207075A CN 107207075 A CN107207075 A CN 107207075A CN 201580074741 A CN201580074741 A CN 201580074741A CN 107207075 A CN107207075 A CN 107207075A
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- CN
- China
- Prior art keywords
- scaffold
- opening
- ship
- main part
- wall
- 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.)
- Granted
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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
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B3/56—Bulkheads; Bulkhead reinforcements
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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
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/14—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed pressurised
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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
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
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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
- B63B71/00—Designing vessels; Predicting their performance
Landscapes
- 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)
- Ladders (AREA)
Abstract
Opening and closing device (24) is the opening and closing device of the opening portion (25) for the midway that obstruction is formed at scaffold portion (9), is possessed：Main part (26), can carry out displacement between the open positions of opening portion (25) blocking the closed position of opening portion (25) from top and being configured at the top of closed position and open；And limiting unit (30), in the case where main part (26) is in an open position, the direction for entering the side of opening portion 25 with user intersects and in the direction extension along scaffold portion (9), and limitation user enters opening portion (25) side.
Description
Technical field
The present invention relates to opening and closing device, scaffold and ship.
The application is based on the Japanese patent application 2015-038252 filed an application for 27th for 2 months for 2015, claims priority
Power, and by its content quotation herein.
Background technology
There is a kind of objects such as liquid in order to transport extremely low temperature and accommodate rectangular-shape in the inner space of hull
The ship of container.The inner space of the hull of this ship is separated into multiple by partition wall in ship cephalocaudal direction, is thus existed
Ship cephalocaudal direction forms multiple cargo holds.These cargo holds separately accommodate container.That is, in the inside of hull, in bow
Tail direction, which is arranged, multiple containers.
In the ship, in order to substantially ensure that the volume of container without making ship body large, by the gap of container and hull
And the gap of container and partition wall forms as small as possible.
On the other hand, container is provided with heat-barrier material in its outer surface.The heat-barrier material needs to inspect periodically.Therefore, in institute
State hull and partition wall around container and be provided with the scaffold for being used for checking heat-barrier material.The scaffold to extend in the horizontal direction
Mode formed, also, be spaced one from compartment of terrain provided with multiple in above-below direction.Being provided between these multiple scaffolds is used for
The ladder moved up and down for operator.For example, the ladder that extends upward of the scaffold from the top for being configured at partition wall with
The gateways such as the manhole (manhole) located at upper deck are connected.
The partition wall is the so-called plate muscle construction for possessing board member and small rib strip component.Board member is formed as in beam
Direction and the tabular of above-below direction extension.Small rib strip component is relative to board member in ship cephalocaudal direction towards by aftermost one
Side protrudes close to the side (being in general stern-side) of bow and extended in above-below direction.Small rib strip component is for example set
It is T-shaped etc. for section.Small rib strip component is arranged with multiple in beam direction and is assemblied in board member by welding etc..
Patent document 1 is different from the ship for carrying the container.But, the patent document 1 describes following technology：Dissipating
Freight thing ship in, the inspection of the cabin rib in order to carry out the construction component as side sheets and scaffold, ladder are set.
Prior art literature
Patent document
Patent document 1：No. 4632762 publications of Japanese Patent No.
The content of the invention
Problems to be solved by the invention
Furthermore, the scaffold and ladder are under normal circumstances located at partition wall by aftermost side and close to bow
This two side of side.
Located at the side not protruded by small rib strip component in aftermost side and the side of close bow of partition wall
Scaffold and ladder are fixed on board member.Scaffold possesses the breach of up/down perforation at the position lifted by ladder.
The scaffold for the side not protruded located at the small rib strip component has when urgent etc. sometimes slings operator
To the rescue route of upper deck.By being respectively arranged on the breach of the multiple scaffolds arranged in above-below direction, the rescue route exists
Above-below direction is run through in cargo hold.These breach for forming rescue route are generally blocked by articulated standing workbench.
Operator can move on the articulated standing workbench.
In partition wall by aftermost side and small rib strip component is protruded in the side of bow side, in plate structure
Space between part and small rib strip component is provided with ladder.The laddered space also has with continuously square from scaffold sometimes
The platform that formula extends to board member side, in order to avoid fallen when changing to ladder.In order to ensure rescue route, this platform is set sometimes
For that can be opened and closed by hinge etc..
In the case of standing workbench and platform are set into be opened/closed, it is possible to forget obstruction after opening.Therefore,
Operator must confirm underfooting in order to avoid being fallen from breach all the time, add the burden of the operator in Inspection.
A kind of opening and closing device of the burden of the operator for mitigating progress Inspection it is an object of the invention to provide energy etc.,
Scaffold and ship.
Technical scheme
According to the first scheme of the present invention, opening and closing device is the opening and closing dress of the opening portion for the midway that obstruction is formed at scaffold
Put.Opening and closing device possesses：Main part, in the closed position from top blocking of said openings portion and can be configured at the closed position
Top and open and carry out displacement between the open position of the opening portion.Opening and closing device is also equipped with：Limiting unit, in the main body
In the case that portion is in an open position, the direction for entering the opening portion with user intersects and in the direction along the scaffold
Extension, limitation user enters the opening portion.
By so constituting, in the case where main part is in closed position, user can safely move on main part.
On the other hand, in the case where main part is in an open position, the side that limiting unit is intersected in the direction for entering opening portion with user
To and along scaffold direction extension.Thus, for example, in the case of user unintentionally opening portion to be entered etc., limiting unit
Contacted with user, therefore user can be made to notice that main part is in an open position.As a result, can mitigate because in Inspection
The burden for the user for carrying out underfooting confirmation and producing.
According to the alternative plan of the present invention, opening and closing device can also be the limiting unit in first scheme with from the main part
The back side protrude mode set.
, can be to enter opening with user when making main part be moved to open position from closed position by so constituting
The direction in portion intersects and configures the limiting unit from the back side protrusion of main part in the mode extended along the direction of scaffold.Its result
It is that can suppress the opening portion that user enters opening by simply constituting.
According to the third program of the present invention, opening and closing device can also be at least one of the limiting unit in first or alternative plan
Part, it is formed by elastic component.
By so constituting, when main part is opened and closed, even if assuming that limiting unit is contacted with the structure of surrounding, limit
Portion processed can also produce elastic deformation to avoid.Accordingly, it is capable to suppress the damage of the structure of surrounding, also, can be swimmingly to main body
Operation is opened and closed in portion.
According to the fourth program of the present invention, opening and closing device can also be the first limitation into third program in either a program
Portion is respectively arranged on the both sides in the direction that the scaffold is extended across the opening portion.
By so constituting, in the case of both sides extension of the scaffold to opening portion, no matter user is intended to from scaffold
The which direction of bearing of trend enters opening portion, can be transferred through the entrance that limiting unit limits user.
According to the 5th scheme of the present invention, scaffold possesses opening portion, possesses the opening portion can be opened and closed the
One into fourth program either a program opening and closing device.
By so constituting, due to that can block opening portion, therefore user can safely move.On the other hand, if opened
Opening portion, then can suppress user and enter opening portion, also, can be readily formed and make rescue route of scaffold up/down perforation etc..
According to the 6th scheme of the present invention, ship possesses：Hull, is internally formed with cargo hold；Partition wall, in bow tail side
To the division cargo hold；The scaffold of 5th scheme, is at least supported in the partition wall.
By so constituting, when being checked from the receiving structure such as the container of outside to being contained in the inside of cargo hold,
Without confirming underfooting all the time while movement on scaffold.Accordingly, it is capable to mitigate because of the burden for the user that underfooting confirms and produces.
Beneficial effect
According to the opening and closing device, scaffold and ship, the burden for the user for carrying out Inspection can be mitigated.
Brief description of the drawings
Fig. 1 is the figure of the schematic configuration for the ship for representing embodiments of the present invention.
Fig. 2 is the profile of the partition wall along Fig. 1 II-II lines.
Fig. 3 is the figure of the partition wall of embodiments of the present invention from bow side.
Fig. 4 is the figure of the partition wall of embodiments of the present invention from stern-side.
Fig. 5 is the stereogram of the partition wall of embodiments of the present invention from bow side.
Fig. 6 is the stereogram of the partition wall of embodiments of the present invention from stern-side.
Fig. 7 is the top view of the movable workbench of embodiments of the present invention.
Fig. 8 is the side view of the movable workbench of embodiments of the present invention.
Fig. 9 is the stereogram for representing to form the state for rescuing route of embodiments of the present invention.
Figure 10 is the first of embodiments of the present invention the side view for improving the first platform of example.
Figure 11 is the second of embodiments of the present invention the stereogram for improving the first scaffold portion of example.
Embodiment
Then, the opening and closing device, scaffold and ship of one embodiment of the present invention are illustrated based on accompanying drawing.
Fig. 1 is the figure of the schematic configuration for the ship for representing embodiments of the present invention.
The ship 1 of present embodiment is the LPG fortune for transporting LPG (liquefied petroleum gas, liquefied petroleum gas)
Defeated ship.In order to transport more LPG, the ship 1 can store LPG in the state of making LPG cooling liquids and reducing volume
In container 3.In the container 3, heat-barrier material is equipped with its outer surface.
As shown in figure 1, the hull 2 of ship 1 possesses multiple cargo holds 4 inside it.These cargo holds 4 are the skies for accommodating container 3
Between.These cargo holds 4 in ship cephalocaudal direction in the way of forming a line provided with multiple.In the adjacent cargo hold 4 of ship cephalocaudal direction each other
It is divided by partition wall 6 in ship cephalocaudal direction.The cargo hold 4 of present embodiment is formed at the lower section of the upper deck 5 of hull 2.
In the Fig. 1, the ship cephalocaudal direction of hull 2 is represented by arrow, ship's head is represented with " F " respectively, stern side is represented with " A "
To.
Fig. 2 is the profile of the partition wall along Fig. 1 II-II lines.
As shown in Fig. 2 partition wall 6 possesses：Wall portion 7, support 8, scaffold portion 9 and ladder portion 10.
Wall portion 7 possesses the first wall portion 7A and the second wall portion 7B.
First wall portion 7A is formed as the tabular in beam direction and above-below direction extension.
Second wall portion 7B is formed as the tabular parallel with the first wall portion 7A.The second wall portion 7B is formed in beam direction
The position different from the first wall portion 7A.Second wall portion 7B of present embodiment is formed at two first arranged in beam direction
Between wall portion 7A, positioned at the first wall portion 7A stern-side.The the first wall portion 7A and the second wall portion 7B of present embodiment are in bow tail
Distance on direction is set as equal with the length of aftermentioned first support 8A and the second support 8B each ship cephalocaudal direction.
Support 8 is to ensure that rigid, the so-called small rib strip part of partition wall 6.The support 8 possesses the first support 8A
With the second support 8B.
Fig. 3 is the figure of the partition wall of embodiments of the present invention from bow side.Fig. 4 is of the invention from stern-side
Embodiment partition wall figure.
As shown in Figure 2 and Figure 3, the first support 8A is protruded from the first wall portion 7A wall 11 towards stern-side, also,
In beam direction at spaced intervals provided with multiple.These the first support 8A by along wall 11 above-below direction extend in the way of
Formed.First support 8A possesses the main part 13A extended in ship cephalocaudal direction and the top ends extended in beam direction
14A, section is formed as T-shaped.These first supports 8A main part 13A base portion is entered by welding etc. relative to wall 11
Row is fixed.
As shown in Figure 2, Figure 4 shows, the second support 8B is protruded from the second wall portion 7B wall 12 towards bow side, also,
In beam direction spaced apart from each other provided with multiple.These the second support 8B in above-below direction to extend along wall 12
Mode is formed.Second support 8B possesses the main part 13B extended in ship cephalocaudal direction and the top extended in beam direction
Portion 14B, section is formed as T-shaped.These second supports 8B main part 13B base portion is by welding etc. relative to wall 12
It is fixed.In Fig. 3, Fig. 4, in order to illustrate conveniently, the diagram in scaffold portion 9 is eliminated.
In the present embodiment, the second wall portion 7B is connected via support 8 with the first wall portion 7A.In present embodiment
In, set two second support 8Bs of the quantity fully less than the first support 8A to be set at spaced intervals in beam direction.
Moreover, the first support 8A and the second support 8B of present embodiment are formed at a part for the partition wall 6 on above-below direction,
More specifically, it is formed at the part in addition to bottom of partition wall 6.
As shown in figure 3, by with the second wall portion 7B it is continuous and around above and below the first support 8A in the way of be formed with wall portion
7C.This two side above and below the first support 8A, the wall portion 7C wall 16a and the first support towards stern-side
The 8A top ends 14A face 17 towards stern-side is in same plane.Wall portion 7C is in the first adjacent support of beam direction
There are concave arc sections 18 between 8A.By these arc sections 18, in the first adjacent support 8A of beam direction
Top ends 14A between formed above-below direction extend elongated hole.
As shown in figure 4, same with wall portion 7C, with continuous and around above and below the second support 8B side with the first wall portion 7A
Formula is formed with wall portion 7D.This two side above and below the second support 8B, the wall portion 7D wall 15a towards bow side
The face 19 towards bow side with the second support 8B top ends 14B is in same plane.Wall portion 7D is same with wall portion 7C, in ship
There are concave arc sections 20 between the second adjacent support 8B of width.By these arc sections 20, in the beam
The elongated hole of above-below direction extension is also formed between the top ends 14B of the second adjacent support 8B of degree direction.
Fig. 5 is the stereogram of the partition wall of embodiments of the present invention from bow side.Fig. 6 is the sheet from stern-side
The stereogram of the partition wall of the embodiment of invention.
Scaffold portion 9 is configured to：When inspection of heat-barrier material of progress container 3 etc. is safeguarded, operator (user) can be supplied
Mainly walking is moved in the horizontal direction.Scaffold portion 9 possesses the first scaffold portion 9A and the second scaffold portion 9B.
As shown in Fig. 2, Fig. 5, the first scaffold portion 9A is by the first wall portion 7A towards the wall 15 of bow side and second
Bearing portion 8B is supported.First scaffold portion 9A is formed as the tabular in beam direction length, with from the first wall portion 7A towards bow
The mode that side level is protruded is set.First scaffold portion 9A separates defined interval in the short transverse that above-below direction is cargo hold 4
Ground is provided with multiple.
As shown in Fig. 2, Fig. 6, the second scaffold portion 9B is with symmetrical in ship cephalocaudal direction and the first scaffold portion 9A
Mode is set.Second scaffold portion 9B is by the second wall portion 7B towards the wall 16 (reference picture 2) of stern-side and the first support
8A is supported.Second scaffold portion 9B is same with the first scaffold portion 9A, is formed as in the longer tabular in beam direction, with from
The mode that second wall portion 7B is protruded towards stern-side level is set.Second scaffold portion 9B is the height of cargo hold 4 in above-below direction
Direction is at spaced intervals provided with multiple.
These first scaffolds portion 9A and the second scaffold portion 9B can be moved for operator's walking, also, with bow tail side
To size small mode as far as possible set width dimensions W1 (for example, 400mm or so).These first scaffolds portion 9A and second
Scaffold portion 9B ensures a little gap (for example, 200mm is left between container 3 in the horizontal direction in the cargo hold 4 being each set
It is right).
The cargo hold 4 possesses sidepiece scaffold portion (not shown).Sidepiece scaffold portion is fixed in ship cephalocaudal direction phase
The inner surface (not shown) of the two side for the hull 2 that adjacent partition wall 6 is connected to each other.In a cargo hold 4, sidepiece scaffold portion
The the first scaffold portion 9A for being formed as and being configured at stern-side and the second continuous plates of scaffold portion 9B for being configured at bow side
Shape.Sidepiece scaffold portion, at spaced intervals provided with multiple, connect be configured to mutually level first pin hand respectively in above-below direction
Frame portion 9A and the second scaffold portion 9B.That is, operator by be respectively configured as mutually level first scaffold portion 9A,
Moved on sidepiece scaffold portion and the second scaffold portion 9B, can be one week around container 3.
As shown in Fig. 2, Fig. 5, Fig. 6, ladder portion 10 possesses the first ladder portion 10A and the second ladder portion 10B.
As shown in figure 5, the first ladder portion 10A is in the first scaffold portion 9A and the second wall portion 7B wall towards bow side
It is configured with multiple between 12, extends respectively in above-below direction.First ladder portion 10A of present embodiment is with across in above-below direction
Mode between the first adjacent scaffold portion 9A is set, so that operator can be in the first adjacent scaffold of above-below direction
Moved between portion 9A.Between the first scaffold portion 9A and the second wall portion 7B wall 12 towards bow side, these
One ladder portion 10A is individually fixed in the second support 8B main part 13B and in beam direction and the second support 8B phases
The main part 13A of the first adjacent support 8A.
The beam side that the first scaffold portion 9A is extended is configured at each other in the first adjacent ladder portion 10A of above-below direction
Upward diverse location.Multiple first ladder portion 10A of present embodiment are set as follows：In above-below direction every a phase
First ladder portion 10A of neighbour's configuration is located at the same position on the beam direction that the first scaffold portion 9A is extended each other.This
In multiple first ladder portion 10A of embodiment, the first ladder portion 10A of the top is configured at being formed at opening for upper deck 5
Oral area is (not shown) to be connected, and operator can be moved to and match somebody with somebody by getting off from upper deck 5 via opening portion from the first ladder portion 10A
It is placed on the first scaffold portion 9A of the top.
As shown in fig. 6, the second ladder portion 10B is in the second scaffold portion 9BA and the first wall portion 7A wall towards bow side
It is configured with multiple between face 11, extends respectively in above-below direction.It is same with the second ladder portion 10A, the second ladder of present embodiment
Sub-portion 10B is by across setting in the way of between the second adjacent scaffold portion 9B of above-below direction, so that operator can be
Moved between the second adjacent scaffold portion 9B of above-below direction.In the second scaffold portion 9B and the first wall portion 7A towards ship
Between the wall 11 of caudal, these second ladders portion 10B is fixed on the first support 8A main part 13A.
It is same with the first ladder portion 10A, the second scaffold is configured at each other in the second adjacent ladder portion 10B of above-below direction
The diverse location on beam direction that portion 9B is extended.Multiple second ladder portion 10B of present embodiment are set as follows
Put：The second ladder portion 10B being adjacent in above-below direction every one is located at the beam that the second scaffold portion 9B is extended each other
The same position spent on direction.Moreover, in multiple second ladder portion 10B of present embodiment, being configured at the second ladder of the top
Sub-portion 10B is connected with being formed at the opening portion (not shown) of upper deck 5, operator can by from upper deck 5 via opening portion from
Second ladder portion 10B gets off and is moved on the second scaffold portion 9B for being configured at the top.
The opening portion for being formed at upper deck 5 can be by the first ladder portion 10A and the second independent landform of ladder portion 10B
Into can also share.In addition, in said embodiment, exemplified situations below：Multiple first ladder portion 10A are relative
Identical direction is all set in beam direction in the first support 8A, equally, multiple second ladder portion 10B are relative to
Two support 8B are all set to identical direction in beam direction.But, the first ladder portion 10A and the second ladder portion
10B setting direction is not limited to the direction.
As shown in figure 5, be configured with the first ladder portion 10A the first scaffold portion 9A and the second wall portion 7B towards bow
Between the wall 12 of side, the first platform 22 is respectively equipped with.These first platforms 22 with the first continuous modes of scaffold portion 9A
Be formed as tabular.First platform 22 is from the first scaffold portion 9A towards the side close to the second wall portion 7B, in other words towards close
The side extension of stern.Speech is changed in the space of multiple bottoms for being each configured with the first ladder portion 10A by these first platforms 22
It, by by being divided in beam direction adjacent two the second support 8B, the second wall portion 7B and the first scaffold portion 9A
Block above and below at least a portion in the space (opening portion) gone out.It is flat that first can be stood on using the first ladder portion 10A operator
On platform 22.Thus, operator easily can move between the first scaffold portion 9A and the first ladder portion 10A.
As shown in fig. 6, be configured with the second ladder portion 10B the second scaffold portion 9B and the first wall portion 7A towards stern
Between the wall 11 of side, the second platform 23 is respectively equipped with.These second platforms 23 with the second continuous modes of scaffold portion 9B
Be formed as tabular.Second platform 23 is from the second scaffold portion 9B towards the side close to the first wall portion 7A, in other words towards close
The side extension of bow.Speech is changed in the space of multiple bottoms for being each configured with the second ladder portion 10B by these second platforms 23
It, by by being divided in beam direction adjacent two the first support 8A, the first wall portion 7A and the second scaffold portion 9B
Block above and below at least a portion in the space gone out.It is same with the first platform 22, it can be stood using the second ladder portion 10B operator
In on these second platforms 23.Thus, operator easily can move between the second scaffold portion 9B and the second ladder portion 10B
It is dynamic.
Herein, although eliminate diagram, but in the first scaffold portion 9A top, be fixed with the second support 8B along ship
The handrail of width extension.The handrail is not configured with the scope of the first platform 22 on beam direction.Equally, although save
Diagram has been omited, but in the second scaffold portion 9B top, the handrail extended along beam direction is fixed with the first support 8A.
The handrail is not configured with the scope of the second platform 23 on beam direction.
As shown in Fig. 2 the first scaffold portion 9A of present embodiment possesses movable workbench 24 (opening and closing device).Movably
Formula workbench 24 is respectively arranged on the multiple first scaffold portion 9A set at spaced intervals in above-below direction.These are located at multiple the
One scaffold portion 9A movable workbench 24 is respectively arranged at the same position on beam direction, is in other words respectively arranged at
The position overlapped in above-below direction.
Fig. 7 is the top view of the movable workbench of embodiments of the present invention.Fig. 8 be embodiments of the present invention can
The side view of dynamic formula workbench.
As shown in fig. 7, movable workbench 24 is located at the notch part (opening portion) 25 formed in the first scaffold portion 9A.Can
Dynamic formula workbench 24 possesses workbench main part 26, base portion 27 and handle portions 28.
Workbench main part 26 is formed to block the flat board of the rectangle for the notch part 25 for being formed at the first scaffold portion 9A
Shape.The edge 26a of the side close to the first wall portion 7A of workbench main part 26 is assemblied in base portion 27 via hinge part 29.Work
Making platform main part 26 can be by the hinge part 29 in the open position in the portion of making a breach 25 and the closed position of obstruction notch part 25
Between operation is opened and closed.
The supporting table main part 26 from below of base portion 27.Ship of the base portion 27 from the first wall portion 7A along notch part 25
The edge 25a of width extends towards ship's head.The base portion 27 of present embodiment is in the work of closed position to cross over
The mode for making the edge 26b in the beam direction of platform main part 26 and the edge 25a of the notch part 25 opposed with edge 26b is matched somebody with somebody
Put.Base portion 27 supports the workbench main part 26 on edge 26b peripheries and the first scaffold portion on edge 25a peripheries from below
9A.The end 27a of the side of the close bow of the base portion 27 of present embodiment is configured at the first scaffold portion 9A close ship
The ora terminalis 9a of first side stern-side.
Handle portions 28 are to make workbench main part 26 from closed position to open position and from open position to obstruction
The part held when position is swung for operator.The handle portions 28 of present embodiment are fixed on workbench main part 26, from work
The edge 26c of the side of the close bow of platform main part 26 is prominent to ship's head.More specifically, handle portions 28 are assembled respectively
In workbench main part 26, the beam direction that the first scaffold portion 9A is extended both sides.The hand of present embodiment
Portion 28 is formed as U-shaped.Workbench main part 26 is fixed in the end of the U-shaped of handle portions 28.
The movable workbench 24 is also equipped with limiting the limiting unit 30 that operator enters the side of notch part 25.Present embodiment
Limiting unit 30 possess limitation rod portion 31.In the case where workbench main part 26 is in an open position, limitation rod portion 31 with
The direction extension that the direction that operator enters notch part 25 intersects, also, extend along the first scaffold portion 9A to ship's head.
In present embodiment, the direction that operator enters notch part 25 refers to that the first scaffold portion 9A that operator mainly moves is extended
Direction (beam direction).In order to promote operator to note, the outer surface that limit rod portion 31 can also be set to yellow and
The candy strip of black.
The limitation rod portion 31 of present embodiment is formed as cylindric, is assemblied in (the reference of the back side 32 of workbench main part 26
Fig. 8).More specifically, the base portion 31a in limitation rod portion 31 be fixed in the back side 32 of workbench main part 26 by edge 26b and
The vicinity for two corner 26d that edge 26c is formed.That is, two limit rod portions 31 respectively from scaffold portion 9 to be extended
The both sides in direction clip the mode of notch part 25 and set.These limitation rod portions 31 are at the back side relative to workbench main part 26
The direction extension of 32 substantial orthogonalities.By the way that movable workbench 24 is opened and closed, the end 31b warps in these limitation rod portions 31
Cross in Fig. 8 centered on hinge part 29 as the circular arc shown in double dot dash line.The length in these limitation rod portions 31 is set as：As
The circular arc of the double dot dash line of the track of the end 31b will not touch the outer surface of container 3.
The material in limitation rod portion 31 can use metal, resin etc..Rubber can also be set in the end 31b sides in limitation rod portion 31
Glue etc. easily produces the elastic component of elastic deformation.In the case of so setting elastic member in limitation rod portion 31, following
Aspect is favourable：Even if in the case that the length in limitation rod portion 31 is formed as touching the length of container 3, can also suppress container 3
Outer surface sustain damage.Can also be except the base portion 31a in limitation rod portion 31 major part or overall comprising base portion 31a by
Elastic component is formed.By so constituting, losing for limitation rod portion 31 can be reduced.
Therefore, according to the embodiment, in the case where workbench main part 26 is in closed position, operator can be
Safely moved on workbench main part 26.On the other hand, in the case where workbench main part 26 is in an open position, limitation
Portion 30 extends in the direction intersected with the direction into the side of notch part 25 and along the first scaffold portion 9A direction.Thus, for example
When the operator unintentionally side of notch part 25 to be entered, limiting unit 30 is contacted with operator, can notice operator
Workbench main part 26 is in an open position.As a result, the behaviour produced because carrying out underfooting confirmation in Inspection can be mitigated
The burden of author.
Moreover, limitation rod portion 31 is protruded from the back side 32 of workbench main part 26, thus only make workbench main part 26 from
Closed position is moved to open position, can just be configured to the limitation rod portion 31 protruded from the back side 32 of workbench main part 26：
The direction for entering notch part 25 with operator intersects and extended along the first scaffold portion 9A direction.As a result, can pass through
Simple constitute enters notch part 25 to suppress the operator when notch part 25 is open.
Moreover, in the case where workbench main part 26 is in closed position, because limitation rod portion 31 is configured at scaffold
The lower section in portion 9, therefore the movement of operator can not be limited the obstruction in portion 30.
Moreover, setting elastic member in the end 31b sides in limitation rod portion 31, thus, enter to workbench main part 26
During row opening and closing, even if limitation rod portion 31 touches the structure of surrounding, limitation rod portion 31 can also produce elastic deformation to avoid.Cause
This, can suppress the damage of the structure of surrounding, also, operation swimmingly can be opened and closed to workbench main part 26.
Moreover, limitation rod portion 31 is individually fixed in two formed by the edge 26b and edge 26c of workbench main part 26
Individual corner 26d vicinity, thus, no matter operator, which is intended to enter from the which direction in the first scaffold portion 9A directions extended, lacks
The side of oral area 25, can be transferred through limiting the entrance that rod portion 31 limits operator.
Fig. 9 is the stereogram for representing to form the state for rescuing route of embodiments of the present invention.
According to the scaffold portion 9 of the embodiment, notch part 25 is blocked by movable workbench 24, thus operated
Person can safely move.On the other hand, if as shown in figure 9, portion 25 of making a breach, can suppress operator into notch part 25
Side, also, can be readily formed and make the rescue route of the up/down perforation of scaffold portion 9.
According to the ship of the embodiment, structure is being accommodated to the grade of container 3 for being contained in the inside of cargo hold 4 from outside
When being checked, operator without confirming underfooting all the time while movement in scaffold portion 9.Accordingly, it is capable to mitigate because underfooting is true
The burden for the operator for recognizing and producing.
(the first of embodiment improves example)
Then, based on accompanying drawing to the first of embodiments of the present invention the opening and closing device, scaffold and ship for improving example
Illustrate.It is different from the configuration of the embodiment only limiting unit that the first of present embodiment improves example.Pair therefore, with it is described
Embodiment identical part assigns identical symbol and illustrated, also, quotes Fig. 5, Fig. 6, omits repeat specification.
As shown in figure 5, in multiple first platforms 22, the first platform 22 for being configured at assigned position on beam direction is distinguished
It is set to swing upward freely via hinge etc..That is, opened by making the first platform 22 all swing upward, can be
The rescue route in above-below direction insertion is formed between second support 8B.Although eliminating diagram, the rescue route from point
The inside in next door 6 passes through until the bottom of cargo hold 4.By the rescue route, for example, can be in the bottom from cargo hold 4 to upper deck 5
Between operator etc. that health in cargo hold 4 is deteriorated is pulled rapidly using rope etc..
As shown in fig. 6, in multiple second platforms 23, being configured at the second platform 23 and of assigned position on beam direction
One platform 22 is same, is set to swing upward freely via hinge etc..That is, by making the first swingable platform 23
All swing to open upward, the rescue route in above-below direction insertion can be formed between the first support 8A.Here, the
One platform 22 only configures different with the second platform 23, therefore the first platform 22 is illustrated in the following description, omits the
The explanation of two platforms 23.
Figure 10 is the first of embodiments of the present invention the side view for improving the first platform of example.
As shown in Figure 10, the first platform 22 possesses：Main platform body portion 126, base portion (not shown) and handle portions 128.
Main platform body portion 126 be formed as in the horizontal direction blocking the first scaffold portion 9A and the second wall portion 7B towards ship
The tabular of the rectangle in the space between the wall 12 of first side.The side close to the first ladder portion 10A in main platform body portion 126
Base portion 126a is assemblied in base portion via hinge part 129.Main platform body portion 126 can open the first pin by the hinge part 129
First scaffold of open position and obstruction in the space between hand cradle portion 9A and the second wall portion 7B wall 12 towards bow side
Operation is opened and closed between the closed position in the space between portion 9A and the second wall portion 7B wall 12 towards bow side.With can
The base portion 27 of dynamic formula workbench 24 is same, base portion (not shown) supporting platform main part 126 from below.
Handle portions 128 are to make main platform body portion 126 from closed position to open position and from open position to obstruction
The part held when position is swung for operator.The handle portions 128 of present embodiment are fixed on main platform body portion 126.Handle portions
128 is prominent from the end 126b in main platform body portion 126 to the beam direction that the first scaffold portion 9A is extended.Handle portions 128
Assembled respectively at spaced intervals in the end 126b in a main platform body portion 126 ship cephalocaudal direction.It is same with the handle portions 28
Sample, the handle portions 128 of present embodiment are formed as U-shaped.Main platform body portion is fixed in the end of the U-shaped of handle portions 128
126。
It is same with the movable workbench 24, the first platform 22 possess limitation operator enter the first scaffold portion 9A with
The limiting unit 130 in the space between the second wall portion 7B wall 12 towards bow side.Limiting unit 130 possesses limitation rod portion 131.
In the case of in an open position in main platform body portion 126, limitation rod portion 131 is extended in the way of intersecting with ship cephalocaudal direction,
Also, extend along the first scaffold portion 9A beam direction.In other words, ship cephalocaudal direction could also say that operator enters
The direction in the space between the first scaffold portion 9A and the second wall portion 7B wall 12 towards bow side.With the limitation rod portion
31 is same, in order to promote operator to note, the outer surface for limiting rod portion 131 can also be set to the bar graph of yellow and black
Case.
Limitation rod portion 131 is formed as cylindric, is assemblied in the back side 132 in main platform body portion 126.These limitation rod portions 131
Extend in the direction of the substantial orthogonality of the back side 132 relative to main platform body portion 126.By the way that the first platform 22 is opened and closed,
The end 131b in these limitation rod portions 131 passes through in Figure 10 centered on hinge part 129 as the circular arc shown in double dot dash line.This
The length in a little limitation rod portions 131 is set as：Will not be touched as the circular arc of the double dot dash line of the track of the end 131b
Two support 8B main part 13B.
Same with the limitation rod portion 31, the material in limitation rod portion 131 can use metal, resin etc..Can also be in limitation
The end 131b sides in rod portion 131 set the easy elastic component for producing elastic deformation such as rubber.So set in limitation rod portion 131
In the case of elastic member, be formed as touching the second support 8B length even in the length for limiting rod portion 131
In the case of, it can also suppress the second support 8B and sustain damage.In the limitation rod portion 131 or big except base portion 131a
Part or the entirety comprising base portion 131a are formed by elastic component.In this case, losing for limitation rod portion 131 can be reduced.
Therefore, example is improved according to the first of the embodiment, is particularly in closed position in main platform body portion 126
In the case of, operator can stand in main platform body portion 126, safely be moved to the first ladder portion 10A.
On the other hand, in the case of in an open position in main platform body portion 126, limiting unit 130 is entered with operator
Enter the direction of direction intersection and extend along the first scaffold portion 9A direction.Thus, for example, the position interrupted in handrail, in behaviour
When author is intended to enter between the first scaffold portion 9A and the second wall portion 7B wall 12 towards bow side unintentionally, limit
Portion 30 processed is contacted with operator, can suppress the entrance of operator.
(the second of embodiment improves example)
Then, based on accompanying drawing to the second of embodiments of the present invention the opening and closing device, scaffold and ship for improving example
Illustrate.It is different from the supporting construction of the embodiment only limiting unit that the second of present embodiment improves example.Pair therefore, with
The embodiment identical part assigns identical symbol and illustrated, also, omits repeat specification.
Figure 11 is the second of embodiments of the present invention the stereogram for improving the first scaffold portion of example.
As shown in figure 11, same with the embodiment, the first scaffold portion 9A of the second improvement example possesses movable
Workbench 24 (opening and closing device).
Movable workbench 24 is located at the notch part (opening portion) 25 formed in the first scaffold portion 9A.With the embodiment party
Formula is same, and movable workbench 24 possesses：Workbench main part 26, base portion 27, handle portions 28 and limiting unit 30.
The limiting unit 30 of the second improvement example possesses：Limit rod portion 31, support 33 and force section 34.
Same with the embodiment, the second limitation rod portion 31 for improving example is provided with two.It is same with the embodiment
Sample, limitation rod portion 31 can configure in the case where workbench main part 26 is in an open position and enter breach in limitation operator
The restriction site of the side of portion 25.What the limitation rod portion 31 in the restriction site was intersected with entering the direction of notch part 25 with operator
Mode extends, also, extends along the first scaffold portion 9A to ship's head.
Support 33 with can from restriction site (in Figure 11, being represented with solid line) to retreating position (in Figure 11, with two point draw
Represent) between the mode that swings up and down support limitation rod portion 31.Retreating position refers to the lower section for being rocked to the restriction site
Position.These supports 33 have the swinging axle in the direction orthogonal with the approach axis of operator, i.e. beam direction extension
33a.These supports 33 are individually fixed in the back side 32 of workbench main part 26.That is, limitation rod portion 31 is supported in institute
Support 33 is stated, thus, it is possible to vertically swing.On the other hand, the direction for entering notch part 25 in operator of support 33
The displacement in (in other words beam direction) is restricted.
Force section 34 is from the retreating position to being exerted a force between restriction site towards restriction site to limitation rod portion 31.This
Assembled across between limitation rod portion 31 and the back side 32 of workbench main part 26 force section 34 of embodiment.Force section
As long as 34 can be not limited to the helical spring shown in Figure 11 towards elastomer of the restriction site to the force of limitation rod portion 31.
By so constituting movable workbench 24, even if the length in limitation rod portion 31 is to open movable workbench 24
When can touch the length of container 3, open movable workbench 24 when, can also resist the applying power of force section 34 and make limitation
Rod portion 31 is rocked to retreating position side to avoid.Accordingly, it is capable to suppress the appearance surface damage of container 3, also, limitation rod portion can be reduced
31 lose.Moreover, making limitation rod portion 31 avoid to retreating position side, limitation rod portion 31 can also return automatically to agretope
Put, thus with manually make situation from limitation rod portion 31 to restriction site displacement compared with, the human error such as can suppress to forget to restore
Generation.Moreover, the swing in the direction for entering the side of notch part 25 to operator in limitation rod portion 31 is restricted, therefore can more have
Effect ground suppresses operator and enters the side of notch part 25.
The present invention is not limited to the embodiment, also comprising in the range of without departing from the gist of the present invention to described
Embodiment implements embodiment obtained from various changes.That is, concrete shape, composition for being lifted in embodiment etc. are only one
Example, can suitably be changed.
For example, in said embodiment, to limit rod portion 31,131 respectively from workbench main part 26, main platform body portion
126 back side 32,132 is illustrated in case of protruding.But, as long as the position that limitation rod portion 31,131 is protruded can press down
The entrance of operator processed is just not limited to the back side 32,132.For example, it is also possible to be：Will limitation rod portion 31,131 and the first platform 22,
Second platform 23 and the adjoining configuration of movable workbench 24, and make limitation rod portion 31,131 and the first platform 22, the second platform
23 and the opening and closing of movable workbench 24 swing in linkage.Moreover, with the first platform 22, the second platform 23 and movable
The displacement in the limitation rod portion 31,131 of the opening and closing linkage of workbench 24 is not limited to swing.
Moreover, the shape in limitation rod portion 31,131 is not limited to the embodiment.The first platform 22, the second platform 23,
And in the case that movable workbench 24 is in an open position, intersect with the approach axis of operator and along scaffold portion
9 direction extension.
Moreover, in said embodiment, the situation to the opening and closing device and scaffold of the present invention to be applied to ship 1
It is illustrated.But, however it is not limited to this, is for example, it is also possible to applied to beyond ship.
Moreover, the ship 1 of the embodiment is illustrated in case of LPG cargo ships.But, ship 1
Container 3 is stored and transport be not limited to LPG.Moreover, being also not necessarily limited to the liquid of this low temperature of LPG.The present invention can also be applied
In the ship of the high temperature material such as conveying asphalt.
Industrial utilizability
It can apply to block the opening and closing device of the opening portion for the midway for being formed at scaffold, possess the pin hand of opening and closing device
Frame and the ship for possessing the scaffold.According to opening and closing device, scaffold and ship, the use for carrying out Inspection can be mitigated
The burden at family.
Symbol description
1 ship
2 hulls
3 containers
4 cargo holds
5 upper decks
6 partition walls
7 wall portions
The wall portions of 7A first
The wall portions of 7B second
8 supports
The supports of 8A first
The supports of 8B second
9 scaffold portions (scaffold)
The first scaffolds of 9A portion
9a ora terminalis
The second scaffolds of 9B portion
10 ladder portions
The first ladders of 10A portion
The second ladders of 10B portion
11 walls
12 walls
13A main parts
13B main parts
14A top ends
14B top ends
15 walls
15a walls
16 walls
16a walls
17 faces
18 arc sections
19 faces
20 arc sections
22 first platforms (opening and closing device)
23 second platforms (opening and closing device)
24 movable workbench (opening and closing device)
25 notch parts (opening portion)
25a edges
26 workbench main parts (main part)
26a edge
26b edge
27 base portions
27a ends
28 handle portions
29 hinge parts
30 limiting units
31 limitation rod portions
31a base portions
31b ends
32 back sides
33 supports
34 force sections
126 main platform body portions (main part)
126a base portions
126b ends
128 handle portions
129 hinge parts
130 limiting units
131 limitation rod portions
131a base portions
131b ends
132 back sides
Claims (6)
1. a kind of opening and closing device, obstruction is formed at the opening portion of the midway of scaffold, possess：
Main part, can be in the closed position from top blocking of said openings portion with being configured at the top of the closed position and beating
Open and carry out displacement between the open position of the opening portion；
Limiting unit, in the case where the main part is in an open position, the direction for entering the opening portion with user intersects simultaneously
And extend along the direction of the scaffold, limitation user enters the opening portion.
2. opening and closing device according to claim 1, wherein,
The limiting unit is set in the way of being protruded from the back side of the main part.
3. opening and closing device according to claim 1 or 2, wherein,
At least a portion of the limiting unit is formed by elastic component.
4. opening and closing device according to any one of claim 1 to 3, wherein,
The limiting unit is respectively arranged on the both sides in the direction that the scaffold is extended across the opening portion.
5. a kind of scaffold, possesses opening portion,
Possesses the opening and closing device any one of the Claims 1-4 that the opening portion can be opened and closed.
6. a kind of ship, possesses：Hull, is internally formed with cargo hold；
Partition wall, the cargo hold is divided in ship cephalocaudal direction；
Scaffold described in claim 5, is at least supported in the partition wall.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015038252A JP6355053B2 (en) | 2015-02-27 | 2015-02-27 | Switchgear, scaffold, and ship |
| JP2015-038252 | 2015-02-27 | ||
| PCT/JP2015/067739 WO2016135995A1 (en) | 2015-02-27 | 2015-06-19 | Opening/closing device, foothold, and marine vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107207075A true CN107207075A (en) | 2017-09-26 |
| CN107207075B CN107207075B (en) | 2019-12-27 |
Family
ID=56788037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580074741.7A Active CN107207075B (en) | 2015-02-27 | 2015-06-19 | Opening and closing device, scaffold, and ship |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6355053B2 (en) |
| KR (1) | KR101899273B1 (en) |
| CN (1) | CN107207075B (en) |
| SG (1) | SG11201705659XA (en) |
| WO (1) | WO2016135995A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379705A (en) * | 2022-01-11 | 2022-04-22 | 沪东中华造船(集团)有限公司 | Transverse bulkhead structure for large LNG ship |
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| US4068738A (en) * | 1974-11-18 | 1978-01-17 | Ronald Reed | Scaffolding |
| GB2353313B (en) * | 1999-08-19 | 2003-10-15 | Clarksteel Ltd | Access cover assembly |
| CN2587939Y (en) * | 2002-12-26 | 2003-11-26 | 孙学年 | Multi-function manhole cover |
| EP1936041A2 (en) * | 2006-12-22 | 2008-06-25 | Prefabricados Uniblok, S.A. | Operator access door for underground buildings |
| CN203716184U (en) * | 2013-12-27 | 2014-07-16 | 国家电网公司 | Manhole cover available for opening protection and alarm |
| KR20140127374A (en) * | 2010-07-30 | 2014-11-04 | 삼성중공업 주식회사 | Piracy protection device |
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| JPS6112493A (en) * | 1984-06-27 | 1986-01-20 | Mitsubishi Heavy Ind Ltd | Passage device for communicating between upper and lower sides in ship |
| JPH07116848B2 (en) * | 1988-01-30 | 1995-12-18 | 東急建設株式会社 | Curing lid device with handrail for slab opening |
| JPH0520994U (en) * | 1991-08-30 | 1993-03-19 | 三井造船株式会社 | Passage for cargo tanks of tankers |
| JP3182827B2 (en) * | 1991-12-27 | 2001-07-03 | 石川島播磨重工業株式会社 | Outfitting method for compartments in ships |
| JP4632762B2 (en) | 2004-11-26 | 2011-02-16 | ユニバーサル造船株式会社 | Inspecting equipment for hull side wall structural members |
| JP4252966B2 (en) * | 2005-03-28 | 2009-04-08 | 住友重機械マリンエンジニアリング株式会社 | Fixed scaffold for inspection of bulk carriers |
| KR101368630B1 (en) * | 2012-07-06 | 2014-03-04 | 삼성중공업 주식회사 | Cover device for grating hole |
| KR20140047389A (en) * | 2012-10-12 | 2014-04-22 | 현대중공업 주식회사 | Opening and closing apparatus for rudder trunk platform access |
-
2015
- 2015-02-27 JP JP2015038252A patent/JP6355053B2/en active Active
- 2015-06-19 CN CN201580074741.7A patent/CN107207075B/en active Active
- 2015-06-19 WO PCT/JP2015/067739 patent/WO2016135995A1/en active Application Filing
- 2015-06-19 KR KR1020177019442A patent/KR101899273B1/en active IP Right Grant
- 2015-06-19 SG SG11201705659XA patent/SG11201705659XA/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4068738A (en) * | 1974-11-18 | 1978-01-17 | Ronald Reed | Scaffolding |
| GB2353313B (en) * | 1999-08-19 | 2003-10-15 | Clarksteel Ltd | Access cover assembly |
| CN2587939Y (en) * | 2002-12-26 | 2003-11-26 | 孙学年 | Multi-function manhole cover |
| EP1936041A2 (en) * | 2006-12-22 | 2008-06-25 | Prefabricados Uniblok, S.A. | Operator access door for underground buildings |
| KR20140127374A (en) * | 2010-07-30 | 2014-11-04 | 삼성중공업 주식회사 | Piracy protection device |
| CN203716184U (en) * | 2013-12-27 | 2014-07-16 | 国家电网公司 | Manhole cover available for opening protection and alarm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379705A (en) * | 2022-01-11 | 2022-04-22 | 沪东中华造船(集团)有限公司 | Transverse bulkhead structure for large LNG ship |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016135995A1 (en) | 2016-09-01 |
| CN107207075B (en) | 2019-12-27 |
| JP2016159691A (en) | 2016-09-05 |
| JP6355053B2 (en) | 2018-07-11 |
| KR101899273B1 (en) | 2018-09-14 |
| KR20170094426A (en) | 2017-08-17 |
| SG11201705659XA (en) | 2017-08-30 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180723 Address after: Kanagawa Applicant after: MITSUBISHI Shipbuilding Corporation Address before: Tokyo, Japan, Japan Applicant before: Mit-subishi Heavy Industries Ltd. |
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| GR01 | Patent grant |