CN104859974B - A kind of rail mounted sealed bundle vanning - Google Patents
A kind of rail mounted sealed bundle vanning Download PDFInfo
- Publication number
- CN104859974B CN104859974B CN201410064151.3A CN201410064151A CN104859974B CN 104859974 B CN104859974 B CN 104859974B CN 201410064151 A CN201410064151 A CN 201410064151A CN 104859974 B CN104859974 B CN 104859974B
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- CN
- China
- Prior art keywords
- cylinder
- framework
- hoop
- pulley
- coaster
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
Abstract
A kind of rail mounted sealed bundle vanning, it is related to a kind of sealed bundle to case, to solve existing metal packing box because volume is big, poor sealing performance, can not meet sealed bundle vanning design air-tightness index and open, uses of case, Storage of Goods and transport inconvenience problem, it include coaster, seal and framework；The seal is arranged in framework；The seal includes cylinder, closure, multiple tracks and multiple track bands；Multiple track bands are set up in parallel along the length direction of cylinder；The coaster is arranged in cylinder, the coaster includes two blanking covers, multiple hoop bodies, multiple pulley bodies and multiple folding rolling elements, each hoop body turns into circular, hoop body by upper semi-circle arc and the docking of lower half circle arc, multiple hoop bodies are a material storage body along the length direction concatenation of cylinder, each pulley body includes a pulley yoke and at least two pulleys, and pulley can be slided in orbit.Packed and transported of the present invention for product.
Description
Technical field
The present invention relates to a kind of vanning of sealed bundle, and in particular to a kind of rail mounted sealed bundle vanning.
Background technology
Some products with the sealed bundle that is made of metal case in design, because the volume of product, weight are larger（Packing case
Size is：3000mm×800mm×900mm；Weight is：200kg）, sealing requirements (air-tightness index >=0.05MPa high；Protect
The pressure time >=30min), design difficulty is very big.During design, the sealing requirements of packing case should be considered；Examine again
Consider because of the larger influence to its sealing structure of the weight of product；Meanwhile, it is contemplated that product storage, attended operation and fortune
The requirement of the aspect such as defeated.
The content of the invention
The purpose of the present invention is that poor sealing performance can not meet sealing to solve existing metal packing box because volume is big
Packing case design air-tightness index and open, uses of case, Storage of Goods and transport inconvenience problem, and then offer one
Plant the vanning of rail mounted sealed bundle.
The present invention is adopted the technical scheme that to solve the above problems：A kind of rail mounted of the invention packs case to be included
Coaster, seal and framework；The framework is rectangular box, and one end of framework has door closure；
The seal is arranged in framework；The seal includes cylinder, closure, multiple tracks and multiple track hoops
Band；The axial direction of cylinder is parallel with the length direction of framework, and the cylinder is the cylinder that open at one end is closed in one end, multiple track hoops
Band is set up in parallel along the length direction of cylinder, and multiple track bands are abutted on the internal face of cylinder, and track band and cylinder
Multiple tracks are equipped with along the length direction of cylinder in connection, cylinder, and multiple tracks are uniformly arranged along the circumference of cylinder, track
Inwall with track band is connected, and sealing is covered on the opening end of cylinder and seals cylinder, and the cylinder and closure are equal
It is made up of nonmetallic composite；
The coaster is arranged in cylinder, and the coaster includes two blanking covers, multiple hoop bodies, multiple pulley bodies and multiple foldings
Folded rolling element, each hoop body turns into circular, hoop body by upper semi-circle arc and the docking of lower half circle arc, upper semi-circle arc
One end of one end and lower half circle arc rotates connection, and the other end of upper semi-circle arc and the other end of lower half circle arc can
Dismounting connection, multiple hoop bodies are a material storage body, the axial direction of multiple hoop bodies and the length of cylinder along the length direction concatenation of cylinder
Direction is consistent, is uniformly arranged consistent with multiple number of tracks along its circumference on the lateral surface of each hoop body and corresponds
Multiple pulley bodies, each pulley body includes a pulley yoke and at least two pulleys, and pulley can slide in orbit, each hoop
The lower end of the lateral surface of the lower half circle arc of body is connected with a folding rolling element, and the two ends of material storage body are respectively provided with one and block up
Lid.
The beneficial effects of the invention are as follows：
First, novel in structural design of the present invention, flexible and convenient to use.Coaster is equipped with sealed bundle vanning of the present invention, is made
Used time, even if people's attended operation just can be in the very short time, by the product of 500kg weights from packing case of the invention
Pull out, during coaster is drawn, because arse is provided with foldable rolling element, with folding and rolling function, therefore, can
Directly to move product to working site.
2nd, sealing property reliability.Cylinder of the invention and closure are made of nonmetallic composite, and opening end is used
Closure（Install rubber sealing additional）Sealing.Therefore, cylinder strength is high, in the absence of the problem of deformation.Also, during product export according to
Design requirement：By air tight test（Design pressure value is 0.05MPa, and pressurize value is 30min）, so, it is fully able to meet
The long term storage requirement of product.
3rd, the reliability of storage.The cylinder of packing case of the invention is made of nonmetallic composite, therefore,
The material has excellent electrical insulating property, corrosion resistance, protection against the tide, antirust and resistance to acids and bases, is effectively guaranteed the long-term of product
Storage.
4th, the design of packing case of the present invention is completed and used, and in some sense, it is Large-Scale Equipment integral sealing bag to be also
The application of dress and nonmetallic composite, serves an effect for place mat.The application of nonmetallic composite, in following state
In anti-construction and civilian, military use product packaging, its excellent characteristic and effect will be also given full play to.
Brief description of the drawings
Fig. 1 is overall structure front view of the invention, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the overall structure main view of coaster
Figure, Fig. 4 is the left view of Fig. 3, and Fig. 5 is partial enlarged drawing at I in Fig. 4, and Fig. 6 is the overall structure front view of seal.
Specific embodiment
Specific embodiment one：Present embodiment, a kind of rail mounted sealed bundle of present embodiment are illustrated with reference to Fig. 1-Fig. 6
Vanning includes coaster 1, seal 2 and framework 3；The framework 3 is rectangular box, and one end of framework 3 has door closure 3-1；
The seal 2 is arranged in framework 3；The seal 2 includes cylinder 2-1, closure 2-2, multiple track 2-3
With multiple track band 2-4；The axial direction of cylinder 2-1 is parallel with the length direction of framework 3, and the cylinder 2-1 is one end closing one
Open cylinder, multiple track band 2-4 is held to be set up in parallel along the length direction of cylinder 2-1, multiple track band 2-4 are abutted in
On the internal face of cylinder 2-1, and track band 2-4 is connected with cylinder 2-1, and the length direction in cylinder 2-1 along cylinder 2-1 wears
There are multiple track 2-3, and multiple track 2-3 is uniformly arranged along the circumference of cylinder 2-1, the inwall of track 2-3 and track band 2-4
Connection, closure 2-2 is covered on the opening end of cylinder 2-1 and by cylinder 2-1 sealings, and the cylinder 2-1 and closure 2-2 are equal
It is made up of nonmetallic composite；
The coaster 1 is arranged in cylinder 2-1, and the coaster 1 includes that two blanking cover 1-1, multiple hoop body 1-2, multiple are sliding
Wheel body 1-3 and multiple folding rolling element 1-4, each hoop body 1-2 is by upper semi-circle arc 1-2-1 and lower half circle arc 1-2-2
Docking turns into circular, hoop body, and one end of upper semi-circle arc 1-2-1 and one end of lower half circle arc 1-2-2 rotate connection, on
The other end of semicircular arc plate 1-2-1 and the other end of lower half circle arc 1-2-2 are detachably connected, and multiple hoop body 1-2 are along cylinder
The length direction concatenation of body 2-1 is a material storage body, and the axial direction of multiple hoop body 1-2 is consistent with the length direction of cylinder 2-1, each
On the lateral surface of hoop body 1-2 consistent with multiple track 2-3 quantity and one-to-one multiple is uniformly arranged along its circumference
Pulley body 1-3, each pulley body 1-3 include that a pulley yoke 1-4 and at least two pulley 1-5, pulley 1-5 can be in track 2-3
Upper slip, the lower end of the lateral surface of the lower half circle arc 1-2-2 of each hoop body 1-2 is connected with a folding rolling element 1-11,
The two ends of material storage body are respectively provided with a blanking cover 1-1.
The opening end pad of the closure 2-2 and cylinder 2-1 of present embodiment is provided with O-ring seal 2-6, and closure 2-2 passes through
Wing nut 2-5 is connected with cylinder 2-1.In this way, easy to install and use.
Be placed into track band on weld jig and fix by present embodiment, fixed being put into track on track band
After carry out firm welding；Cleaning, polishing welding bead；Prime finish paint；Track, track band are put into sealed cylinder, torch is used
Bore location hole, and upper Positioning screw；Upper seal bore lid is simultaneously screwed with wing nut；Ensure that air-leakage test.
Present embodiment is by hoop body（With card elasticity matter）And after two blanking covers are placed into positioning fixture, will be equipped with pulley
Pulley yoke is put（Note：Two or more pulley is housed on each pulley yoke）, carry out firm welding；The hoop after welding will be completed again
After body, pulley yoke and two blanking covers overturn 180 ° of angles, then the folding rolling element after assembling is fixed with positioning fixture welded
Connect firmly；Finally, cleaning, polishing welding bead；And finish paint of priming.
Specific embodiment two：Present embodiment is illustrated with reference to Fig. 6, cylinder 2-1 is by glass fibre described in present embodiment
Cloth is entwined.It is arranged such, cylinder and closure are respectively provided with excellent electrical insulating property, corrosion resistance, protection against the tide, antirust and acidproof
Alkalescence, intensity is big, is effectively guaranteed the long-term storage of product.Other are identical with specific embodiment one.
Specific embodiment three：Present embodiment is illustrated with reference to Fig. 6, cylinder 2-1 is by carbon cloth described in present embodiment
It is entwined.It is arranged such, cylinder and closure are respectively provided with excellent electrical insulating property, corrosion resistance, protection against the tide, antirust and acid and alkali-resistance
Property, intensity is big, is effectively guaranteed the long-term storage of product, the property retention of product it is more preferable.Other and specific embodiment
One is identical.
Specific embodiment four：With reference to Fig. 2 and Fig. 6 explanation present embodiments, closure 2-2 is by glass described in present embodiment
Glass fiber or carbon fiber compacting are formed.It is arranged such, cylinder and closure are respectively provided with excellent electrical insulating property, corrosion resistance, prevent
Tide, antirust and resistance to acids and bases, and convenient processing and manufacture, intensity are big, meanwhile, it is effectively guaranteed the long-term storage of product.Other
It is identical with specific embodiment one, two or three.
Specific embodiment five：Present embodiment, track 2-3 described in present embodiment are illustrated with reference to Fig. 3, Fig. 4 and Fig. 6
Quantity is three.It is arranged such, the track is uniformly arranged in cylinder along the circumferential central angle with 120 ° of cylinder, it is ensured that
The directionality that the pulley of the pulley body for setting is pulled is corresponded on coaster with track.Other and specific embodiment one or two-phase
Together.
Specific embodiment six：With reference to Fig. 3 and Fig. 4 explanation present embodiments, the quantity of hoop body 1-2 described in present embodiment
It is three.It is arranged such, it is ensured that the stabilization of coaster, also meets storage goods（Product）Actual demand.Other and specific reality
Apply mode one or two identical.
Specific embodiment seven：Present embodiment is illustrated with reference to Fig. 2, framework 3 described in present embodiment is upper end with envelope
Cover the framework of 3-2.It is arranged such, is easy to pick and place storage goods（Product）, meet and be actually needed and design requirement.Other with it is specific
Implementation method one is identical.
Specific embodiment eight：Present embodiment is illustrated with reference to Fig. 3-Fig. 5, each described folding of present embodiment rolls
Body 1-11 includes retaining mechanism, two upper prop 1-6, two lower prop 1-7 and two roller 1-5, and the retaining mechanism includes connection
Bar 1-8 and two sliding sleeve 1-9, two upper prop 1-6 are disposed in parallel in the both sides of the axis of hoop body 1-2, the lower half of each hoop body 1-2
The lower end of the lateral surface of circular arc plate 1-2-2 is connected with two upper prop 1-6 being vertically arranged, and the lower end of two upper prop 1-6 respectively connects
A lower prop 1-7 being vertically arranged is connected to, two lower ends of lower prop 1-7 are respectively connected with a roller 1-5, upper prop 1-6 and lower prop
1-7 rotates connection, and a sliding sleeve 1-9 is provided with the rotation of each pair upper prop 1-6 and lower prop 1-7, and sliding sleeve 1-9 can be in upper prop 1-6
Upper slip, is provided with boss on lower prop 1-7, sliding sleeve 1-9 is acted against on boss, and two sliding sleeve 1-9 are connected by connecting rod 1-8.
It is arranged such, retaining mechanism pull-up to upper prop now, lower prop is folded around rotary shaft, is easy to coaster to be placed in after loading goods
In cylinder, after coaster is pulled out outside cylinder, retaining mechanism is fallen to upper prop and lower prop and is rotated automatically by self gravitation effect,
Place, now, upper prop and lower prop are straightened, lock, in this way, can directly by goods（Product）Move working site to, it is convenient flexible.This
During implementation method practical operation, first, by upper prop and lower prop to good hole after, put on axle and riveted；Then, the locking that will be welded
Mechanism puts well stand-by after being corrected；The upper prop and lower prop that will be welded again are connected by connecting shaft, are placed on positioning fixture
Firm welding；The retaining mechanism that will be welded again is attached to upper prop, is then put into after being positioned on weld jig, then arc is put in
On two upper props, being positioned carries out firm welding, and arc is fixed on lower half circle arc；Finally, clear up, polishing is welded
Road；And on request by roller, spring pad, nuts and washers assembling in place.Other and specific embodiment one, two, three or seven phases
Together.
Specific embodiment nine：Present embodiment is illustrated with reference to Fig. 3, coaster 1 described in present embodiment also includes two drawings
Hand 1-10, two blanking cover 1-1 were last to be provided with a handle 1-10.It is arranged such, facilitates the push-and-pull of coaster.Other and specific reality
Apply mode eight identical.
Specific embodiment ten：With reference to Fig. 1 and Fig. 2 explanation present embodiments, packing case described in present embodiment also includes
Two the first road wheels 4 and two the second road wheels 5, install two the first rows on the lower surface of the framework 3 with door closure one end
Wheel 4 is walked, two the first road wheels 4 are set up in parallel along the width of framework 3, are provided with the lower surface of the other end of framework 3
Two the second road wheels 5, described two first road wheels 4 are universal wheel.It is arranged such, is easy to the product and packaging of 700kg
It is more convenient flexible in handling process, smoothly it is easy to packing case in storehouse and the process safeguarded movement and stacking.Other with it is specific
Implementation method one, two, three, seven or nine are identical.
The course of work
A, remove framework door closure lead sealing and safety pin, open lock, door closure is opened.
B, with the peg wire on pliers pinch off packing case closure, and steel wire is extracted out, then by the butterfly on closure
Nut is unscrewed, and closure is opened.
C, the depression bar nut screwed off on stopper plate, and depression bar and safety pin are removed, stopper plate is opened.
D, supratrochlear handle is held, when coaster to be slowly pulled out to first folding rolling element position perpendicular to the ground,
Retaining mechanism automatically falls off, if retaining mechanism does not automatically fall off, need to hand by retaining mechanism downwards be pulled to pinning upper prop and
Lower prop (upper prop and lower prop launch), after confirming to pin, continues slowly to pull coaster perpendicular to the ground to next folding rolling element,
Retaining mechanism automatically falls off, and after confirming that upper prop and lower prop are pinned, can continue slowly to pull coaster, is all pulled out until by coaster
Cylinder.By roller, can directly by goods（Product）Move working site to.
Claims (6)
1. a kind of rail mounted sealed bundle vanning, it is characterised in that：The packing case includes coaster (1), seal (2) and framework
(3)；The framework (3) is rectangular box, and one end of framework (3) has door closure 3-1；
The seal (2) is in framework (3)；The seal (2) includes cylinder (2-1), closure (2-2), multiple
Track (2-3) and multiple tracks band (2-4)；The axial direction of cylinder (2-1) is parallel with the length direction of framework (3), the cylinder
(2-1) is the cylinder that open at one end is closed in one end, and multiple track bands (2-4) are set up in parallel along the length direction of cylinder (2-1),
Multiple track bands (2-4) are abutted on the internal face of cylinder (2-1), and track band (2-4) is connected with cylinder (2-1), cylinder
Multiple tracks (2-3), and multiple tracks (2-3) are equipped with along cylinder (2-1) along the length direction of cylinder (2-1) in body (2-1)
Circumference be uniformly arranged, track (2-3) is connected with the inwall of track band (2-4), and closure (2-2) is covered at cylinder (2-1)
Opening end on and by cylinder (2-1) sealing, the cylinder (2-1) and closure (2-2) are made by nonmetallic composite；
The coaster (1) in the cylinder (2-1), the coaster (1) including two blanking covers (1-1), multiple hoop bodies (1-2),
Multiple pulley bodies (1-3) and multiple foldings rolling element (1-4), each hoop body (1-2) is by upper semi-circle arc (1-2-1) and lower half
Circular arc plate (1-2-2) docking turns into circular, hoop body, one end of upper semi-circle arc (1-2-1) and lower half circle arc (1-2-
2) one end rotates connection, and the other end of upper semi-circle arc (1-2-1) and the other end of lower half circle arc (1-2-2) are removable
Connection is unloaded, multiple hoop bodies (1-2) are a material storage body, the axial direction of multiple hoop bodies (1-2) along the length direction concatenation of cylinder (2-1)
Length direction with cylinder (2-1) is consistent, has been uniformly arranged and multiple tracks along its circumference on the lateral surface of each hoop body (1-2)
(2-3) quantity is consistent and one-to-one multiple pulley bodies (1-3), and each pulley body (1-3) includes a pulley yoke (1-
4) with least two pulleys (1-5), pulley (1-5) can be slided on track (2-3), the lower half circular arc of each hoop body (1-2)
The lower end of the lateral surface of plate (1-2-2) is connected with a folding rolling element (1-11), and the two ends of material storage body are respectively provided with one and block up
Lid (1-1)；
Each described folding rolling element (1-11) includes retaining mechanism, two upper props (1-6), two lower props (1-7) and two rollings
Wheel (1-5), the retaining mechanism includes connecting rod (1-8) and two sliding sleeves (1-9), and two upper props (1-6) are disposed in parallel in hoop
The both sides of the axis of body (1-2), the lower end of the lateral surface of the lower half circle arc (1-2-2) of each hoop body (1-2) is connected with perpendicular
Straight two upper props (1-6) for setting, the lower end of two upper props (1-6) is respectively connected with a lower prop being vertically arranged (1-7), two
The lower end of lower prop (1-7) is respectively connected with a roller (1-5), and upper prop (1-6) and lower prop (1-7) rotate connection, each pair upper prop (1-
6) sliding sleeve (1-9) and at the rotation of lower prop (1-7) is installed, sliding sleeve (1-9) can be slided on upper prop (1-6), lower prop (1-
7) boss is provided with, sliding sleeve (1-9) is acted against on boss, two sliding sleeves (1-9) are connected by connecting rod (1-8).
2. a kind of rail mounted sealed bundle vanning according to claim 1, it is characterised in that：The cylinder (2-1) is by glass
Fiber cloth is entwined.
3. a kind of rail mounted sealed bundle vanning according to claim 1, it is characterised in that：The cylinder (2-1) is fine by carbon
Wei Bu is entwined.
4. a kind of rail mounted sealed bundle vanning according to claim 1, it is characterised in that：The framework (3) is upper end band
There is the framework of capping (3-2).
5. a kind of rail mounted sealed bundle vanning according to claim 1,2,3 or 4, it is characterised in that：The coaster (1) is also
Including two handles (1-10), two blanking covers (1-1) were last to be provided with a handle (1-10).
6. a kind of rail mounted sealed bundle vanning according to claim 5, it is characterised in that：The packing case also includes two
First road wheel (4) and two the second road wheels (5), install two first on the lower surface of the framework (3) with door closure one end
Road wheel (4), two the first road wheels (4) are set up in parallel along the width of framework (3), the lower end of the other end of framework (3)
Two the second road wheels (5) are installed, described two first road wheels (4) are universal wheel on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064151.3A CN104859974B (en) | 2014-02-25 | 2014-02-25 | A kind of rail mounted sealed bundle vanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064151.3A CN104859974B (en) | 2014-02-25 | 2014-02-25 | A kind of rail mounted sealed bundle vanning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104859974A CN104859974A (en) | 2015-08-26 |
| CN104859974B true CN104859974B (en) | 2017-07-11 |
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ID=53906242
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410064151.3A Active CN104859974B (en) | 2014-02-25 | 2014-02-25 | A kind of rail mounted sealed bundle vanning |
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| US6155770A (en) * | 1998-07-01 | 2000-12-05 | Pods, Inc. | Apparatus for lifting, handling and transporting a container |
| CN2727103Y (en) * | 2004-08-13 | 2005-09-21 | 中国国际海运集装箱(集团)股份有限公司 | Container with discharging device |
| CN201109598Y (en) * | 2007-10-26 | 2008-09-03 | 王燕铭 | Container integrated loading-unloading device for large-scale equipments |
| CN202329436U (en) * | 2011-11-08 | 2012-07-11 | 秦皇岛天秦塑胶工业有限公司 | Self-closed rigid hoop |
| WO2013039439A1 (en) * | 2011-09-16 | 2013-03-21 | Dynasafe International Ab | Blast-proof chamber for handling of explosive objects |
| CN103538812A (en) * | 2013-10-17 | 2014-01-29 | 卢鹰 | Large vehicle for automatic internet-of-thing pipe distribution system |
| CN203767341U (en) * | 2014-02-25 | 2014-08-13 | 哈尔滨建成集团有限公司 | Track-type sealed packaging box |
-
2014
- 2014-02-25 CN CN201410064151.3A patent/CN104859974B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6155770A (en) * | 1998-07-01 | 2000-12-05 | Pods, Inc. | Apparatus for lifting, handling and transporting a container |
| CN2727103Y (en) * | 2004-08-13 | 2005-09-21 | 中国国际海运集装箱(集团)股份有限公司 | Container with discharging device |
| CN201109598Y (en) * | 2007-10-26 | 2008-09-03 | 王燕铭 | Container integrated loading-unloading device for large-scale equipments |
| WO2013039439A1 (en) * | 2011-09-16 | 2013-03-21 | Dynasafe International Ab | Blast-proof chamber for handling of explosive objects |
| CN202329436U (en) * | 2011-11-08 | 2012-07-11 | 秦皇岛天秦塑胶工业有限公司 | Self-closed rigid hoop |
| CN103538812A (en) * | 2013-10-17 | 2014-01-29 | 卢鹰 | Large vehicle for automatic internet-of-thing pipe distribution system |
| CN203767341U (en) * | 2014-02-25 | 2014-08-13 | 哈尔滨建成集团有限公司 | Track-type sealed packaging box |
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| Publication number | Publication date |
|---|---|
| CN104859974A (en) | 2015-08-26 |
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