CA2061959A1 - Method of building ship - Google Patents
Method of building shipInfo
- Publication number
- CA2061959A1 CA2061959A1 CA 2061959 CA2061959A CA2061959A1 CA 2061959 A1 CA2061959 A1 CA 2061959A1 CA 2061959 CA2061959 CA 2061959 CA 2061959 A CA2061959 A CA 2061959A CA 2061959 A1 CA2061959 A1 CA 2061959A1
- Authority
- CA
- Canada
- Prior art keywords
- hull
- unit
- ship
- frames
- frame
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title description 64
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005304 joining Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Automatic Assembly (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
A SHIP WITH SEPARATELY FABRICATED UNITS
ABSTRACT OF THE DISCLOSURE
The internal structures of a ship are divided into a front unit, center unit, and rear unit which are fabricated separately. The units are joined together to make an integral unit which in turn is installed in the hull.
ABSTRACT OF THE DISCLOSURE
The internal structures of a ship are divided into a front unit, center unit, and rear unit which are fabricated separately. The units are joined together to make an integral unit which in turn is installed in the hull.
Description
TYT ~957 A SHIP WITH SEPARATE~LY ~BRICATED UNI~
BACKGROUND OF THE INVENTXON
1. Field of the Invention The present invention relates to a method of building a ship.
BACKGROUND OF THE INVENTXON
1. Field of the Invention The present invention relates to a method of building a ship.
2. Description of the Related Art Usually, ships, in particular small boats, are built by first fabricating the hull, then assembling into the thus fabricated hull the internal structures, and finally attaching the deck and other : upper structures. Alternativel~, ships may be built by making them in units, for example, separately - 15 fabricating the front, center, and rear units and then joining them together.
If the former method is used, however, it takes a long time to assemble the internal structures inside the hull and thus this method is not suited to mass production. Further, the work efficiency is poor and quality control becomes difficult.
As opposed to this, if the latter method is used, slnce the hull of the ship itself is made in a number of units, when joining these units together, unevenness is liable to occur at the hull outer surface. Considerable work is requlred to correct this. Therefore, leaving aside the case of large sized vessels where a certain margin of error is allowed, this technique is not necessarily suited to the construction of small boats. Further, considerable dimensional control is required in the process for joining units together to ensure water-tightness of the hull.
SUM~ARY OF THE INVEI~TION
The object of the present invention is to provide a building method which enables mass production of ships which are ensured to be water-tight and which are provided with hulls given and design of shape.
According to the present invention, there is provided a method of building a ship including the steps of fabricating a hull, separating into a plurality of units the internal structures to be assembled into the hull and fabricating these units separately, and assembling the fabricated units into the fabricated hull.
Further according to the present inven~ion there is provided a ship comprising: a hull; a plurality of lateral frames each connected to said hull and extending along an inner wall of said hull in a lateral direction of said hull; and a plurality of inner structure units which are divided in said lateral frames and have an end frame at ends thereof the adjacent inner ~tructure units being fixed to each other by interconnecting the ~ace end f~ames thereof $o each other, said inner structure uni1s being fixed to said hull by connecting the end frames to the corresponding lateral frames of said hull.
In $he ship, according to the present invention the end ~ame of the inner structure un~t is connected, on the one hand to the end frame of the adjacent inner structure un~t and, on the other hand, to the lateral frame l)f the hull, which is originally prov~ded for re-enforcing th~ hull.
The present invention may be more fully understood from the description of the preferred embodiments of the invention set forth ~elow, together with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings, Fig. 1 is a view showing the building process as a whole, Fig. 2 is a view showing the process of fabricating the hull, Figs. 3A and 3B are views showing the process of fabricating the units, Fig. 4 is a view showing the process of joining ~he hull units etc., ,~
-2a-Fig. 5 is a view showing the sectional structure of the ship built by the building method according to the present invention, Fig. 6 is a view the coupled state of the frames according to the building method of the pxesent invention, Fig. 7 is a view showing another ship building method, and Fig. 8 is a view showing the process of assembling the later-assembled parts.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Figure 1 to Fig. 4 show a first embodiment of the ship building method.
Figure 1 shows the process of building a small boat as a whole. The process of building a small boat 9 ~ ~
may be roughly divided into a process A of fabricating the hull, a process B of fabricating the front unit, a process C of fabricating the center unit, a process D
of fabricating the rear unit, a process E of joining the units, a process F of joining the units and the hull, and a process G of assembling the later-assembled parts.
The hull fabrication process A and the unit fabrication processes B, C, and D may be completed before the hull-unit joining process F. These processes A, B, C, and D may be proceeded with simultaneously or in any order desired. Therefore, the work for the processes A, B, C, and D may be arranged with considerable freedom.
Further, the division of the ship into three units of the front unit, center unit, and rear unit represents only one example. Naturally, the ship may be divided into two or four or more units. In the embodiments explained below, the ship is divided into units longitudinally, but if necessary the ship may be divided into units laterally as well.
The hull fabrication process A, as illustrated in Fig. 2, consists of the material cutting sub-process A-1 for cutting the plate materials la, lb, lc, and ld and frame materials 2 based on the design drawings, the forming sub-process A-2 for forming the obtained materials, the sub-process A-3 for welding the formed plate materials la, lb, lc, and ld to form the outer shell, and a sub-process A-4 for welding the formed f~ame materials 2 to the fabricated hull shell. As shown by the sub-process A-4, in the embodiment according to the present invention, the left and right halves of the hull are separately formed, and the pair of halves are welded together by the sub-process A-5.
Industrial robots 3 and 4 are used for the welding work at the sub-process A-4 and the welding work at the sub-process A-5.
2 ~
At the sub-process A-6, when the pair of hull halves are joined, the electrical cables, water pipes, fuel pipes 6, and the like are laid in the finished hull 5, then at the sub-process A-7, the engine 7 is installed into the completed hull 5. Next, the hull-unit joining process F is entered.
Next, an explanation will be made of the front unit fabrication process B, the center unit fabrication process C, and the rear unit fabrication process D referring to Figs. 3A and 3B. In the embodiment shown in Figs 3A and 3B, the units B, C, and D comprise three sections of the hull 5 along the reinforcing frame 2a (Fig. 2) extending across the hull 5. The construction of the units s~ C, and D
starts with the preparation of the frames.
That is, first of all, at the sub-processes B~
C-l, and D-1, the frames of the units B, C, and D are formed by bending aluminum extrusions 12, 14, and 15.
Next, at the sub-processes B-2, C-2, and D-2, these aluminum extrusions 12, 14, and 16 are welded or bolted together so as to form reinforcing frame structures 18, 20, and 22 for the units B, C, and D.
Note that in these reinforcing frame structures 18, 20, and 22, the frames 18a, 20a, and 22a are comprised of high rigidity aluminum extrusions having large sectional shapes and that the frames 18b, 20b, and 22b are comprised of low rigidity aluminum extrusions having a small sectional shape.
Next, in the sub-process B-3 of the front unit fabrication process B, the uppex deck 26 and other external structures and the floor plate 24, the side plates 18, and other internal structures are attached to the frame structure 18. Next, at the sub-process B-4, the bed 32 and other interior fittings are attached, thereby completing the front unit 25.
On the other hand, in the sub-process C-3 of the center unit fabrication process C, the main panels 27 and other external s~ructures are attached to the frame s-tructure 20. Next, in the sub-process C-4, the operatin~ panel 34, the throttle 36, the chair 38, and other internal structures are attached in the frame structure 20, whereby the center unit 28 is completed.
Further, in the sub-process D-3 of the rear unit fabrication process D, the main panels 29 and other external structures are attached to the frame structure 22. Next, at the sub-process D-4, the seats 40 and other internal structures are mounted in the frame structure 22, thereby completing the rear unit 30.
After the front unit 25, the cen~er unit 28, and the rear unit 30 are individually completed in this way, the units 25, 28, and 30 are joined at the unit joining process E by bolting together the corresponding frames 18a, 20a, and 22a.
Next, in the hull-unit joining step F of Fig. 4, the joined structure 42 is attached inside the hull 5.
At this time, the frames 18a, 20a, and 22a (Fig. 3A) of the units B, C, and D are bolted to the frame 2a (Fig. 2) of the hull 5. Next, at the process G for assembling the later-assembled parts, the hand rail 44, the platform 46 for supporting the radar and lights, the ladder 48, and other later-assembled parts are attached so as to complete the ship 50. Next, the completed ship 50 is inspec~ed and shipped out to its destination.
Note that the embodiment discussed up to now had the units B, C, and D joined together and then the joined structure 42 installed in the hull 5, but instead of this it is possible to separately attach the units B, C, and D in the hull 5 and simultaneously affix the units B, C, and D to each other in the hull 5.
Figure 5 shows schematically the section of the portion where the front Ullit 25 and the center unit 28 - 6 - 20619~
of the completed ship 50 are joined. ~s shown in Fig.
5, the portions of -the frame 2a shown by X and Y have formed on them the support seats 2b and 2c projecting out toward the inside. The frame 18a of the front unit 25 and the ~rame 20a of the cen-ter unit 28 are bolted on the support seats 2b and 2c.
Further, as shown in Fig. 6, when, for example, the frame 18a of the front unit 25 and frame 20a of the center unit 28 are joined together, it is sufficient if the required strength is obtained, therefore, the width L1 of the frame 18a and the width L2 of the frame 20a do not necessarily have to be made equal.
; Figure 7 and Fig. 8 show another embodiment. In this embodiment, the upper structure 66, the three inner structures 60, 62, and 64, and the hull 5 are separately formed. The three inner structures 60, 62, and 64 consist of the front unit 60, the center unit 62, and the rear unit 64. The units 60, 62, and 64 are fabricated using the frame structures 18, 20, and 22 shown in the sub-processes B-2, C-~, and D-2 of Fig.
3A. In this embodiment, -the units 60, 62, and 64 are joined together simultaneously with the mounting of the finished units 60, 62, and 64 in the hull 5, then the upper structure 66 is mounted to the units 60, 62, and 64. Next, as shown in Fig. 8, the later-assembled parts 44 and 46 are installed, whereby the ship 50 is completed.
According to the building method of the present invention, it is possible to prepare the hull water-tightly and with a precise shape desired by old traditional techniques and at the same time enjoy the advantages of the unit work method for the preparation of the internal structures, so it becomes possible to efficiently construct ships precisely and with ` beautiful appearances.
~hile the invention has been described by _ 7 - 206~9~
reference to specific embodiments chosen for purpose of illustra~ion, it should be apparent that numerous modifications could be made thereto by those skilled i.n the art witho~t departing from the basic concept and scope of the invention.
If the former method is used, however, it takes a long time to assemble the internal structures inside the hull and thus this method is not suited to mass production. Further, the work efficiency is poor and quality control becomes difficult.
As opposed to this, if the latter method is used, slnce the hull of the ship itself is made in a number of units, when joining these units together, unevenness is liable to occur at the hull outer surface. Considerable work is requlred to correct this. Therefore, leaving aside the case of large sized vessels where a certain margin of error is allowed, this technique is not necessarily suited to the construction of small boats. Further, considerable dimensional control is required in the process for joining units together to ensure water-tightness of the hull.
SUM~ARY OF THE INVEI~TION
The object of the present invention is to provide a building method which enables mass production of ships which are ensured to be water-tight and which are provided with hulls given and design of shape.
According to the present invention, there is provided a method of building a ship including the steps of fabricating a hull, separating into a plurality of units the internal structures to be assembled into the hull and fabricating these units separately, and assembling the fabricated units into the fabricated hull.
Further according to the present inven~ion there is provided a ship comprising: a hull; a plurality of lateral frames each connected to said hull and extending along an inner wall of said hull in a lateral direction of said hull; and a plurality of inner structure units which are divided in said lateral frames and have an end frame at ends thereof the adjacent inner ~tructure units being fixed to each other by interconnecting the ~ace end f~ames thereof $o each other, said inner structure uni1s being fixed to said hull by connecting the end frames to the corresponding lateral frames of said hull.
In $he ship, according to the present invention the end ~ame of the inner structure un~t is connected, on the one hand to the end frame of the adjacent inner structure un~t and, on the other hand, to the lateral frame l)f the hull, which is originally prov~ded for re-enforcing th~ hull.
The present invention may be more fully understood from the description of the preferred embodiments of the invention set forth ~elow, together with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings, Fig. 1 is a view showing the building process as a whole, Fig. 2 is a view showing the process of fabricating the hull, Figs. 3A and 3B are views showing the process of fabricating the units, Fig. 4 is a view showing the process of joining ~he hull units etc., ,~
-2a-Fig. 5 is a view showing the sectional structure of the ship built by the building method according to the present invention, Fig. 6 is a view the coupled state of the frames according to the building method of the pxesent invention, Fig. 7 is a view showing another ship building method, and Fig. 8 is a view showing the process of assembling the later-assembled parts.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Figure 1 to Fig. 4 show a first embodiment of the ship building method.
Figure 1 shows the process of building a small boat as a whole. The process of building a small boat 9 ~ ~
may be roughly divided into a process A of fabricating the hull, a process B of fabricating the front unit, a process C of fabricating the center unit, a process D
of fabricating the rear unit, a process E of joining the units, a process F of joining the units and the hull, and a process G of assembling the later-assembled parts.
The hull fabrication process A and the unit fabrication processes B, C, and D may be completed before the hull-unit joining process F. These processes A, B, C, and D may be proceeded with simultaneously or in any order desired. Therefore, the work for the processes A, B, C, and D may be arranged with considerable freedom.
Further, the division of the ship into three units of the front unit, center unit, and rear unit represents only one example. Naturally, the ship may be divided into two or four or more units. In the embodiments explained below, the ship is divided into units longitudinally, but if necessary the ship may be divided into units laterally as well.
The hull fabrication process A, as illustrated in Fig. 2, consists of the material cutting sub-process A-1 for cutting the plate materials la, lb, lc, and ld and frame materials 2 based on the design drawings, the forming sub-process A-2 for forming the obtained materials, the sub-process A-3 for welding the formed plate materials la, lb, lc, and ld to form the outer shell, and a sub-process A-4 for welding the formed f~ame materials 2 to the fabricated hull shell. As shown by the sub-process A-4, in the embodiment according to the present invention, the left and right halves of the hull are separately formed, and the pair of halves are welded together by the sub-process A-5.
Industrial robots 3 and 4 are used for the welding work at the sub-process A-4 and the welding work at the sub-process A-5.
2 ~
At the sub-process A-6, when the pair of hull halves are joined, the electrical cables, water pipes, fuel pipes 6, and the like are laid in the finished hull 5, then at the sub-process A-7, the engine 7 is installed into the completed hull 5. Next, the hull-unit joining process F is entered.
Next, an explanation will be made of the front unit fabrication process B, the center unit fabrication process C, and the rear unit fabrication process D referring to Figs. 3A and 3B. In the embodiment shown in Figs 3A and 3B, the units B, C, and D comprise three sections of the hull 5 along the reinforcing frame 2a (Fig. 2) extending across the hull 5. The construction of the units s~ C, and D
starts with the preparation of the frames.
That is, first of all, at the sub-processes B~
C-l, and D-1, the frames of the units B, C, and D are formed by bending aluminum extrusions 12, 14, and 15.
Next, at the sub-processes B-2, C-2, and D-2, these aluminum extrusions 12, 14, and 16 are welded or bolted together so as to form reinforcing frame structures 18, 20, and 22 for the units B, C, and D.
Note that in these reinforcing frame structures 18, 20, and 22, the frames 18a, 20a, and 22a are comprised of high rigidity aluminum extrusions having large sectional shapes and that the frames 18b, 20b, and 22b are comprised of low rigidity aluminum extrusions having a small sectional shape.
Next, in the sub-process B-3 of the front unit fabrication process B, the uppex deck 26 and other external structures and the floor plate 24, the side plates 18, and other internal structures are attached to the frame structure 18. Next, at the sub-process B-4, the bed 32 and other interior fittings are attached, thereby completing the front unit 25.
On the other hand, in the sub-process C-3 of the center unit fabrication process C, the main panels 27 and other external s~ructures are attached to the frame s-tructure 20. Next, in the sub-process C-4, the operatin~ panel 34, the throttle 36, the chair 38, and other internal structures are attached in the frame structure 20, whereby the center unit 28 is completed.
Further, in the sub-process D-3 of the rear unit fabrication process D, the main panels 29 and other external structures are attached to the frame structure 22. Next, at the sub-process D-4, the seats 40 and other internal structures are mounted in the frame structure 22, thereby completing the rear unit 30.
After the front unit 25, the cen~er unit 28, and the rear unit 30 are individually completed in this way, the units 25, 28, and 30 are joined at the unit joining process E by bolting together the corresponding frames 18a, 20a, and 22a.
Next, in the hull-unit joining step F of Fig. 4, the joined structure 42 is attached inside the hull 5.
At this time, the frames 18a, 20a, and 22a (Fig. 3A) of the units B, C, and D are bolted to the frame 2a (Fig. 2) of the hull 5. Next, at the process G for assembling the later-assembled parts, the hand rail 44, the platform 46 for supporting the radar and lights, the ladder 48, and other later-assembled parts are attached so as to complete the ship 50. Next, the completed ship 50 is inspec~ed and shipped out to its destination.
Note that the embodiment discussed up to now had the units B, C, and D joined together and then the joined structure 42 installed in the hull 5, but instead of this it is possible to separately attach the units B, C, and D in the hull 5 and simultaneously affix the units B, C, and D to each other in the hull 5.
Figure 5 shows schematically the section of the portion where the front Ullit 25 and the center unit 28 - 6 - 20619~
of the completed ship 50 are joined. ~s shown in Fig.
5, the portions of -the frame 2a shown by X and Y have formed on them the support seats 2b and 2c projecting out toward the inside. The frame 18a of the front unit 25 and the ~rame 20a of the cen-ter unit 28 are bolted on the support seats 2b and 2c.
Further, as shown in Fig. 6, when, for example, the frame 18a of the front unit 25 and frame 20a of the center unit 28 are joined together, it is sufficient if the required strength is obtained, therefore, the width L1 of the frame 18a and the width L2 of the frame 20a do not necessarily have to be made equal.
; Figure 7 and Fig. 8 show another embodiment. In this embodiment, the upper structure 66, the three inner structures 60, 62, and 64, and the hull 5 are separately formed. The three inner structures 60, 62, and 64 consist of the front unit 60, the center unit 62, and the rear unit 64. The units 60, 62, and 64 are fabricated using the frame structures 18, 20, and 22 shown in the sub-processes B-2, C-~, and D-2 of Fig.
3A. In this embodiment, -the units 60, 62, and 64 are joined together simultaneously with the mounting of the finished units 60, 62, and 64 in the hull 5, then the upper structure 66 is mounted to the units 60, 62, and 64. Next, as shown in Fig. 8, the later-assembled parts 44 and 46 are installed, whereby the ship 50 is completed.
According to the building method of the present invention, it is possible to prepare the hull water-tightly and with a precise shape desired by old traditional techniques and at the same time enjoy the advantages of the unit work method for the preparation of the internal structures, so it becomes possible to efficiently construct ships precisely and with ` beautiful appearances.
~hile the invention has been described by _ 7 - 206~9~
reference to specific embodiments chosen for purpose of illustra~ion, it should be apparent that numerous modifications could be made thereto by those skilled i.n the art witho~t departing from the basic concept and scope of the invention.
Claims (6)
1. A ship comprising:
a hull;
a plurality of lateral frames each connected to said hull and extending along an inner wall of said hull in a lateral direction of said hull; and a plurality of inner structure units which are divided in said lateral frames and have an end frame at ends thereof, the adjacent inner structure units being fixed to each other by interconnecting the facing end frames thereof to each other, said inner structure units being fixed to said hull by connecting the end frames to the corresponding lateral frames of said hull.
a hull;
a plurality of lateral frames each connected to said hull and extending along an inner wall of said hull in a lateral direction of said hull; and a plurality of inner structure units which are divided in said lateral frames and have an end frame at ends thereof, the adjacent inner structure units being fixed to each other by interconnecting the facing end frames thereof to each other, said inner structure units being fixed to said hull by connecting the end frames to the corresponding lateral frames of said hull.
2. A ship according to claim 1, wherein each lateral frame of said hull has support seats projecting inward therefrom, and the end frames of said inner structure units are fixed to said corresponding support seats.
3. A ship according to claim 1, wherein each of said inner structure units comprises longitudinally extending frames having a strength which is weaker than said end frame, said longitudinally extending frames and said end frame forming a frame structure of said inner structure unit, necessary members being installed in said frame structure.
4. A ship according to claim 1, wherein said inner structure units comprise a front unit of the front of said ship, a center unit of the center of said ship and a rear unit of the rear of said ship, said center unit having said end frames at opposed ends thereof, said front unit having at least one end frame at one end thereof, the end frame of said front unit having an annular shape which is almost the same as that of the corresponding end frame of said center unit, which is fixed to the end frame of said front unit, said rear unit having at least one end frame at one end thereof, the end frame of said rear unit having an annular shape which is almost the same as that of the corresponding end frame of said center unit, which is fixed to the end frame of said rear unit.
5. A ship according to claim 1, wherein each of said inner structure units has an outer structure integrally formed thereon.
6. A ship according to claim 1, further comprising an upper structure covering an entire upper portion of said hull in which said inner structure units are installed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3065543A JPH04278895A (en) | 1991-03-05 | 1991-03-05 | Shipbuilding method |
| JP3-65543 | 1991-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2061959A1 true CA2061959A1 (en) | 1992-09-06 |
Family
ID=13290040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2061959 Abandoned CA2061959A1 (en) | 1991-03-05 | 1992-02-27 | Method of building ship |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH04278895A (en) |
| AU (1) | AU638888B2 (en) |
| CA (1) | CA2061959A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877693A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing method for double-layer bottom section of LNG ship |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU523130B2 (en) * | 1977-11-14 | 1982-07-15 | Michelino Labonia plc | Hydroplane boat hull |
| AU7997787A (en) * | 1986-10-22 | 1988-04-28 | David Rex Cozens | Construction of marine vessels |
| KR890700510A (en) * | 1987-02-25 | 1989-04-25 | 렌셔 허친손 퀸톤 | Motorized boat drying system |
-
1991
- 1991-03-05 JP JP3065543A patent/JPH04278895A/en active Pending
-
1992
- 1992-02-27 CA CA 2061959 patent/CA2061959A1/en not_active Abandoned
- 1992-02-28 AU AU11348/92A patent/AU638888B2/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877693A (en) * | 2019-11-15 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing method for double-layer bottom section of LNG ship |
| CN110877693B (en) * | 2019-11-15 | 2022-04-01 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing method for double-layer bottom section of LNG ship |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04278895A (en) | 1992-10-05 |
| AU638888B2 (en) | 1993-07-08 |
| AU1134892A (en) | 1992-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |