CN106975859A - The strengthening of welded seam structure of composite board equipment - Google Patents
The strengthening of welded seam structure of composite board equipment Download PDFInfo
- Publication number
- CN106975859A CN106975859A CN201710353942.1A CN201710353942A CN106975859A CN 106975859 A CN106975859 A CN 106975859A CN 201710353942 A CN201710353942 A CN 201710353942A CN 106975859 A CN106975859 A CN 106975859A
- Authority
- CN
- China
- Prior art keywords
- bed course
- weld seam
- cover plate
- seam
- composite board
- 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.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000005728 strengthening Methods 0.000 title claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 39
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
Abstract
The present invention relates to pressure vessel field, the strengthening of welded seam structure of more particularly to a kind of composite board equipment, this composite board equipment includes and includes the first weld seam in the coating that basic unit fits with basic unit, basic unit, is connected and the second vertical weld seam with the first weld seam, characterized in that, comprising：First bed course, the second bed course, the first cover plate, the second cover plate and protection board.First bed course is sticked on the first weld seam；Second bed course is connected with the first bed course；First cover plate is sticked on the first bed course, is welded with coating, there is the direction extension partially towards the second bed course；Second cover plate is connected with the extension of the first cover plate；Protection board is sticked and at least covers the junction of the first deck extensions point and the second cover plate.In the present invention, strengthening of welded seam structure causes the weld seam of composite board equipment not have the leakage hidden danger in later stage, further improves the security of equipment.
Description
Technical field
The present invention relates to pressure vessel field, the strengthening of welded seam structure of more particularly to a kind of composite board equipment.
Background technology
Titanium or titanium alloy material has many features：Density is small, and tensile strength is high, and specific strength is big, resistance in Oxidant
Corrosion can be good.So, anti-corrosion pressure vessel often makes of titanium-steel composite board, but titanium can not pass through welding method and steel at present
Obtain having and meet being directly connected to for intensity requirement.
Therefore, the processing method of titanium-steel composite board pressure vessel and equipment commissure is typically：By the way that weld edge titanium is covered
Layer carries out the welding and heat treatment of basic unit's carbon steel after being partially stripped, to be welded and heat treatment finishes rear weld seam position lining titanium backing plate,
Cover both sides angle welding to realize the sealing of internal titanium by titanium cover plate again, pass through air-tight test or helium leak test afterwards
The quality and sealing property of titanium weld seam are checked etc. method.To be hunted leak more effectively, exactly, while being post facility input
Leak point is more rapidly and correctly found after use under the leak case being likely to occur, multiple generally is divided into weld seam in equipment
Relatively independent cavity processing, and each cavity two ends are by setting leak hunting aperture to be checked.But, due to a point chamber position lid
Plate attachment weld can only carry out surface penetration Non-Destructive Testing because assembling is limited with welding sequence and structure, constantly make with equipment
With the reason such as cause regional area to corrode, point chamber position cover plate attachment weld, the girth joint of especially basic unit is connected with longitudinal seam
The cover plate attachment weld at place is likely to the leakage hidden danger as the later stage.
Thus, the leakage hidden danger of composite board equipment weld seam how is eliminated, further the security of increase composite board equipment is
Current urgent problem.
The content of the invention
It is an object of the invention to provide a kind of strengthening of welded seam structure of composite board equipment so that the weld seam of composite board equipment
There is no the leakage hidden danger in later stage, further improve the security of equipment.
In order to solve the above technical problems, embodiments of the present invention provide a kind of strengthening of welded seam knot of composite board equipment
Structure, the composite board equipment, which is included, includes the first weld seam and described the in coating fit with the basic unit of basic unit, the basic unit
One weld seam is connected and the second vertical weld seam, comprising：
First bed course, is sticked on first weld seam, and first weld seam is completely covered, and second described in covering part
Weld seam, and welded with the coating and be in same plane with the coating；
Second bed course, is connected with first bed course, covers second weld seam do not cover by first bed course its
Remaining part point, and welded with the coating and be in same plane with the coating；
First cover plate, is sticked on first bed course, with the coating weld, and be completely covered first bed course and
Its weld seam with the coating, and at least extend partially towards the direction of second bed course, the second pad described in covering part
Layer and its part weld seam with the coating；
Second cover plate, is connected with the extension of first cover plate and is in same surface with first cover plate, cover
Cover second bed course and its remainder not covered with the weld seam of the coating by first cover plate；
Protection board, is sticked and at least covers the junction of first deck extensions point and second cover plate.
Embodiment of the present invention in terms of existing technologies, except the bed course that is sticked on basic unit's weld seam of composite board equipment,
And weld the coating of bed course and composite board equipment, then cover bed course in the bed course cover plate that is sticked and its make with the weld seam of coating
The hidden danger reduction of leakage is outer, and the junction between cover plate, which is also sticked, covers the protection board of junction, makes on composite board equipment
Weld seam further protected, reduce leakage possibility, lifted composite board equipment security.
In addition, first weld seam is the girth joint of the basic unit, second weld seam is the longitudinal seam of the basic unit.Increase
Add after protection board, basic unit's girth joint and the longitudinal seam of composite board equipment have obtained a greater degree of protection.
In addition, second bed course is spliced by N block backing plates, N is the natural number more than or equal to 3, any one piece of pad
Plate and its with the junctions of other backing plates in the overlay area of the protection board, first cover plate and second cover plate
Junction on this backing plate, and across this backing plate.The junction of backing plate is mutually not in contact with each other with the junction of cover plate, enhancing weldering
The security of seam.
In addition, the leak detection on leak hunting aperture, first bed course is opened up on first bed course and second bed course respectively
The leak hunting aperture that hole is run through on first weld seam, second bed course runs through second weld seam, and the first weld seam and second are welded
Hunted leak at seam, it is ensured that the weldquality of the first weld seam and the second weld seam.
In addition, the first weld seam of the basic unit and second commissure open up receiving first bed course and described second
The groove of bed course, first bed course and the second bed course are positioned in the groove.First bed course, the second bed course are by the weldering of basic unit
Seam covers more tight, effectively increases the security of commissure.
In addition, in the region that the protection board is covered, the extension of first cover plate and second cover plate point
The position do not welded with the coating forms two weld seams being parallel to each other.The shape and structure of protection board needed for this structure is more
To be simple, it is easy to manufacture.
In addition, described two weld seams being parallel to each other are located at the centre position of the protection board, make this two parallel welderings
Sew and preferably protect, strengthen security.
In addition, the junction of first cover plate and second cover plate is located at the centre position of the protection board, make the
The junction of one cover plate and the second cover plate is preferably protected, and strengthens security.
Brief description of the drawings
Fig. 1 is the strengthening of welded seam structure schematic elevation view of the cartridge type composite board equipment in first embodiment of the invention；
Fig. 2 is the A-A sectional views in Fig. 1 in first embodiment of the invention；
Fig. 3 is the B-B sectional views in Fig. 1 in first embodiment of the invention；
Fig. 4 is facing for the strengthening of welded seam structure of a certain wall of rectangle composite board equipment in second embodiment of the invention
Schematic diagram；
Fig. 5 is the A-A sectional views in Fig. 4 in second embodiment of the invention；
Fig. 6 is the B-B sectional views in Fig. 4 in second embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality of the accompanying drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the invention,
In order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize each claim of the application technical side claimed
Case.
The first embodiment of the present invention is related to a kind of strengthening of welded seam structure of composite board equipment, as shown in Figure 1, 2, 3, multiple
Plywood equipment includes and includes the first weld seam 3 in the coating 2 that basic unit 1 fits with basic unit 1, basic unit 1, is connected and vertical with the first weld seam 3
The second straight weld seam 4, this strengthening of welded seam structure is included：First bed course 5, the second bed course 6, the first cover plate 7, the and of the second cover plate 8
Protection board 9.First bed course 5 is sticked on the first weld seam 3, is completely covered the first weld seam 3, and the second weld seam of covering part 4, and with
Coating 2 welds and is in same plane with coating 2；Second bed course 6 is connected with the first bed course 5, and the second weld seam 4 of covering is not by first
The remainder that bed course 5 is covered, and welded with coating 2 and be in same plane with coating 2；First cover plate 7 is sticked in the first pad
On layer 5, welded with coating 2, and the first bed course 5 and its weld seam with coating 2 is completely covered, and at least partially towards the second pad
The direction extension of layer 6, the second bed course of covering part 6 and its part weld seam with coating 2；Second cover plate 8 prolongs with the first cover plate 7
Extending portion point connection is simultaneously in same surface with the first cover plate 7, covers the second bed course 6 and its is not covered with the weld seam of coating 2 by first
The remainder that plate 7 is covered；Protection board 9 is sticked and at least covered the extension of the first cover plate 7 and the junction of the second cover plate 8,
Add after protection board 9, the girth joint of basic unit 1 and the longitudinal seam of composite board equipment have obtained a greater degree of protection.This embodiment party
In formula, composite board equipment is cylindrical structure, and the first weld seam 3 is the girth joint of basic unit 1, and the second weld seam 4 is the vertical weldering of basic unit 1
Seam, is connected with each other and vertical between girth joint and longitudinal seam.
By foregoing description it is seen that, on the first weld seam 3 and the second weld seam 4 of the basic unit 1 of composite board equipment respectively
Be sticked the first bed course 5, the second bed course 6, and the second bed course 6 is connected with the first bed course 5, and the first weld seam 3 and the second weld seam 4 is completely covered
And welded with coating 2 and be in same plane with coating 2, the weld seam in basic unit 1 is protected.First bed course 5, the second bed course
Be sticked the first cover plate 7, the second cover plate 8 respectively above in the of 6, and the first bed course 5 and the second bed course 6 and its weldering with coating 2 are covered completely
Seam, making the hidden danger of leakage reduces.Junction between the first cover plate 7 and the second cover plate 8 is also sticked protection board 9, the company of covering
The weld seam at place is connect, the weld seam on composite board equipment is further protected, the possibility of leakage is reduced, greatly promotes composite plate
The security of equipment.
Specifically, as shown in figure 1, the second bed course 6 is spliced by polylith backing plate, wherein have one piece of backing plate and its and its
The junction of his backing plate in the overlay area of protection board 9, the junction of the first cover plate 7 and the second cover plate 8 this backing plate it
On, and across this backing plate.This block backing plate and phase at the solder design at the solder design of other backing plates between cover plate and cover plate
It is not in contact with each other, enhances the security of weld seam between backing plate.
It should be noted that in the present embodiment, as shown in figure 1, also being opened up respectively on the first bed course 5, the second bed course 6
The leak hunting aperture 10 that leak hunting aperture 10 on leak hunting aperture 10, the first bed course 5 runs through on the first weld seam 3, the second bed course 6 runs through the second weld seam
4, to the first weld seam 3 with being hunted leak at the second weld seam 4, it is ensured that the weldquality of the first weld seam 3 and the second weld seam 4.First lid
The cover plate 8 of plate 7 and second is also welded by polylith plate, equally can be with the outside of the weld of the first cover plate 7 and the second cover plate 8
Protection board 9 is set, so that weld seam is further protected, strengthens the security of composite board equipment.
In addition, as shown in Figure 2,3, in the present embodiment, receiving is opened up at the first weld seam 3 and the second weld seam 4 of basic unit 1
The groove of first bed course 5 and the second bed course 6, the first bed course 5 and the second bed course 6 are positioned in groove.First bed course 5, second is padded
The weld seam of basic unit 1 is covered more tight by layer 6, effectively increases the security of commissure.
It should also be noted that, as shown in figure 1, protection board 9 cover region in, the extension of the first cover plate 7 with
The position that second cover plate 8 is welded with coating 2 respectively forms two weld seams being parallel to each other.As shown in Fig. 2 protection board 9 has one
Boss for accommodating the first cover plate 7 and the junction of the second cover plate 8, the shape and structure of the protection board 9 needed for this structure is very
Simply, it is easy to manufacture.
It is noted that two weld seams being parallel to each other are located at the centre position of protection board 9, make this two parallel welderings
Sew and preferably protect, enhance composite board equipment security.
In addition, the junction of the first cover plate 7 and the second cover plate 8 is located at the centre position of protection board 9, make the first cover plate 7 with
The junction of second cover plate 8 is preferably protected, and equally enhances composite board equipment security.
Second embodiment of the present invention is related to a kind of strengthening of welded seam structure of composite board equipment.Second embodiment and the
One embodiment is roughly the same, is in place of the main distinction：In the first embodiment, composite board equipment is cylindrical structure, and
First weld seam is the girth joint of basic unit, and the second weld seam is the longitudinal seam of basic unit, is connected with each other and hangs down between girth joint and longitudinal seam
Directly.And in second embodiment of the invention, composite board equipment is a rectangle composite board equipment, as shown in figure 4, the first weld seam 3
The weld seam for a transverse direction being welded to each other between basal plate for a certain wall of rectangular vessel, the second weld seam 4 is rectangular vessel
The weld seam for a longitudinal direction being welded to each other between the basal plate of one wall, similarly, phase between the first weld seam 3 and the second weld seam 4
Connect and vertically.
Specifically, as shown in Figure 4,5, 6, composite board equipment basic unit 1 the first weld seam 3 and the second weld seam 4 on point
Be not sticked the first bed course 5, the second bed course 6, and the second bed course 6 is connected with the first bed course 5, and the first weld seam 3 and the second weldering is completely covered
Stitch 4 and welded with coating 2 and be in same plane with coating 2, the weld seam in basic unit 1 is protected.First bed course 5, second
The top of bed course 6 is sticked the first cover plate 7, the second cover plate 8 respectively, cover completely the first bed course 5 and the second bed course 6 and its with coating 2
Weld seam, making the hidden danger of leakage reduces.Junction between the first cover plate 7 and the second cover plate 8 is also sticked protection board 9, covering
Firmly the weld seam of junction, makes the weld seam on composite board equipment further be protected, and reduces the possibility of leakage, greatly promotes this
The security of rectangle composite board equipment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (8)
1. a kind of strengthening of welded seam structure of composite board equipment, the composite board equipment includes basic unit and covering that the basic unit fits
It is connected and the second vertical weld seam comprising the first weld seam, with first weld seam in layer, the basic unit, it is characterised in that include：
First bed course, is sticked on first weld seam, and first weld seam, and the second weldering described in covering part is completely covered
Seam, and welded with the coating and be in same plane with the coating；
Second bed course, is connected with first bed course, covers its remaining part that second weld seam is not covered by first bed course
Point, and welded with the coating and be in same plane with the coating；
First cover plate, is sticked on first bed course, with the coating weld, and be completely covered first bed course and its with
The weld seam of the coating, and at least partially towards second bed course direction extend, the second bed course described in covering part and
Its part weld seam with the coating；
Second cover plate, is connected with the extension of first cover plate and is in same surface with first cover plate, cover institute
State the second bed course and its remainder not covered with the weld seam of the coating by first cover plate；
Protection board, is sticked and at least covers the junction of first deck extensions point and second cover plate.
2. the strengthening of welded seam structure of composite board equipment according to claim 1, it is characterised in that first weld seam is institute
The girth joint of basic unit is stated, second weld seam is the longitudinal seam of the basic unit.
3. the strengthening of welded seam structure of composite board equipment according to claim 1, it is characterised in that second bed course is by N
Block backing plate is spliced, and N is natural number more than or equal to 3, any one piece of backing plate and its exists with the junction of other backing plates
In the overlay area of the protection board, the junction of first cover plate and second cover plate on this backing plate, and across
This backing plate.
4. the strengthening of welded seam structure of composite board equipment according to claim 1, it is characterised in that first bed course and described
The leak hunting aperture opened up respectively on second bed course on leak hunting aperture, first bed course runs through first weld seam, second bed course
On leak hunting aperture run through second weld seam.
5. the strengthening of welded seam structure of composite board equipment according to claim 1, it is characterised in that the first weldering of the basic unit
Seam and second commissure open up the groove for accommodating first bed course and second bed course, first bed course and second
Bed course is positioned in the groove.
6. the strengthening of welded seam structure of composite board equipment according to claim 1, it is characterised in that in protection board covering
Region in, the position that the extension of first cover plate and second cover plate are welded with the coating respectively forms two
The weld seam being parallel to each other.
7. the strengthening of welded seam structure of composite board equipment according to claim 6, it is characterised in that described two are parallel to each other
Weld seam be located at the protection board centre position.
8. the strengthening of welded seam structure of composite board equipment according to claim 1, it is characterised in that first cover plate and institute
The junction for stating the second cover plate is located at the centre position of the protection board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353942.1A CN106975859A (en) | 2017-05-18 | 2017-05-18 | The strengthening of welded seam structure of composite board equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353942.1A CN106975859A (en) | 2017-05-18 | 2017-05-18 | The strengthening of welded seam structure of composite board equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106975859A true CN106975859A (en) | 2017-07-25 |
Family
ID=59341561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353942.1A Pending CN106975859A (en) | 2017-05-18 | 2017-05-18 | The strengthening of welded seam structure of composite board equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106975859A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406992A (en) * | 2007-10-11 | 2009-04-15 | 西门子公司 | Method for the strengthening of a welded connexion, element of tower, tower and wind turbine |
| US20090130482A1 (en) * | 2004-05-28 | 2009-05-21 | Airbus Deutschland Gmbh | Titanium aluminium component |
| CN102861998A (en) * | 2012-09-26 | 2013-01-09 | 南京麦驰钛业有限公司 | Sealing structure for titanium steel or zirconium titanium steel composite board device lining |
| CN202963799U (en) * | 2012-12-04 | 2013-06-05 | 上海贤达美尔森过程设备有限公司 | Leak detection separating structure at container welding joint of active metal and steel composite plate |
| CN205733490U (en) * | 2016-06-28 | 2016-11-30 | 徐州徐工挖掘机械有限公司 | A kind of T-shaped weld seam reinforcement structure |
| CN106670676A (en) * | 2016-12-29 | 2017-05-17 | 中铁大桥勘测设计院集团有限公司 | Steel bridge three-dimensional intersectional welding seam structure and construction method thereof |
| CN206898621U (en) * | 2017-05-18 | 2018-01-19 | 上海森松化工成套装备有限公司 | The strengthening of welded seam structure of composite board equipment |
-
2017
- 2017-05-18 CN CN201710353942.1A patent/CN106975859A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090130482A1 (en) * | 2004-05-28 | 2009-05-21 | Airbus Deutschland Gmbh | Titanium aluminium component |
| CN101406992A (en) * | 2007-10-11 | 2009-04-15 | 西门子公司 | Method for the strengthening of a welded connexion, element of tower, tower and wind turbine |
| CN102861998A (en) * | 2012-09-26 | 2013-01-09 | 南京麦驰钛业有限公司 | Sealing structure for titanium steel or zirconium titanium steel composite board device lining |
| CN202963799U (en) * | 2012-12-04 | 2013-06-05 | 上海贤达美尔森过程设备有限公司 | Leak detection separating structure at container welding joint of active metal and steel composite plate |
| CN205733490U (en) * | 2016-06-28 | 2016-11-30 | 徐州徐工挖掘机械有限公司 | A kind of T-shaped weld seam reinforcement structure |
| CN106670676A (en) * | 2016-12-29 | 2017-05-17 | 中铁大桥勘测设计院集团有限公司 | Steel bridge three-dimensional intersectional welding seam structure and construction method thereof |
| CN206898621U (en) * | 2017-05-18 | 2018-01-19 | 上海森松化工成套装备有限公司 | The strengthening of welded seam structure of composite board equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4559699A (en) | Method of constructing a padmounted distribution transformer | |
| KR20130103459A (en) | Welded structure | |
| CN206898621U (en) | The strengthening of welded seam structure of composite board equipment | |
| CA2804983C (en) | Electrochemical anodes having friction stir welded joints and methods of manufacturing such anodes | |
| CN107978700A (en) | A kind of cover board and metal shell for metal battery case | |
| CN106975859A (en) | The strengthening of welded seam structure of composite board equipment | |
| US20070262535A1 (en) | Gasket | |
| US20060006609A1 (en) | Insulating exhaust manifold gasket with integrated load limiters | |
| KR840002679A (en) | Liner method and clad parts using clad parts | |
| CN106270958A (en) | Stainless steel clad plate manufactures the welding procedure of vertical storage tank | |
| CN210442067U (en) | Leak detection device for pressure container | |
| CN208902342U (en) | A kind of joint strip weld seam divides chamber double leakage detecting structures | |
| KR20130123909A (en) | Container ship | |
| JP2012131507A (en) | Slot structure in ship | |
| CN109175882A (en) | Ironcasting inlays method for repairing and mending | |
| CN215915816U (en) | Inner container, disinfection device and integrated stove | |
| JP6825813B2 (en) | Manufacturing method of sealing device and secondary battery | |
| EP1528300A1 (en) | Cylinder heat gasket | |
| Ashida et al. | Development of Practical Fatigue Strength Evaluation Method for Weld Root Crack | |
| CN108664645A (en) | A kind of choosing method of pipe welding port, device, terminal and storage medium | |
| O’Brian et al. | Stress intensity factor solutions for crack-like anomalies in ERW seam welded pipe | |
| CN205652674U (en) | Container corner connector | |
| JPS59199435A (en) | Heat-seal vessel and manufacture thereof | |
| JPH0544808B2 (en) | ||
| JPH0433491Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |
|
| RJ01 | Rejection of invention patent application after publication |