CN108058262B - A kind of molding machine of neutron radiation shield concrete block - Google Patents
A kind of molding machine of neutron radiation shield concrete block Download PDFInfo
- Publication number
- CN108058262B CN108058262B CN201711335201.7A CN201711335201A CN108058262B CN 108058262 B CN108058262 B CN 108058262B CN 201711335201 A CN201711335201 A CN 201711335201A CN 108058262 B CN108058262 B CN 108058262B
- Authority
- CN
- China
- Prior art keywords
- template
- pressing mold
- concrete block
- side form
- neutron radiation
- 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.)
- Expired - Fee Related
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 22
- 230000005855 radiation Effects 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000007493 shaping process Methods 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000007667 floating Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 239000011440 grout Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003471 anti-radiation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
- B28B7/0041—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being moved only parallelly away from the sidewalls of the moulded article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
- B28B1/16—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted for producing layered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The present invention relates to neutron radiation protection fields, more particularly to a kind of molding machine of neutron radiation shield concrete block, it includes four side templates for being arranged on the rack and surrounding frame, the upper and lower sides of the shaping frame of four side templates composition are combined with movable die device, the movable die device includes the pressing mold lifter drawing bar being arranged on the rack, and the pressing mold lifter drawing bar, which is connected with, can penetrate shaping frame and the pressuring template with shaping frame cooperation；The object of the present invention is to provide a kind of molding machines of neutron radiation shield concrete block, using the movable die device of fixed side template cooperation upper and lower sides setting, the thickness of each layer of template can preferably be controlled and be able to carry out floating, simultaneously the adaptation range of concrete block molding machine can also be greatly improved according to the different concrete blocks for needing to process different-thickness.
Description
Technical field
The present invention relates to neutron radiation protection field more particularly to a kind of molding machines of neutron radiation shield concrete block.
Background technique
Neutron science is a kind of subject of high technology content, embodies a national scientific and technological level, neutron scientific research
Comprising many contents, such as collision, the fusion of neutron etc., the research of neutron science mostly all can along with and radiation, neutron it is anti-
Radiation big city uses concrete block, and in order to adapt to the radiant matter of different penetrability, concrete block is different husky using three layers
The concrete layer of grain size is relatively inexpensive practical, and concrete block is formed by template mostly, existing concrete formation
Device all includes four side templates and an end template mostly, and concrete grout is imported after molding machine and needs to carry out upper part
It smoothes out, biggish lack is formed for the concrete block of three layers of different grains of sand concrete layers using existing this molding machine
It falls into, the thickness of each layer concrete layer cannot be controlled freely, and be not easy to the whole thickness of adjustment.
Summary of the invention
The object of the present invention is to provide a kind of molding machines of neutron radiation shield concrete block, are matched using fixed side template
The movable die device that downside is arranged is closed, the thickness of each layer of template can be preferably controlled and be able to carry out floating, simultaneously
The adaptation of concrete block molding machine can also be greatly improved according to the different concrete blocks for needing to process different-thickness
Range.
In order to achieve the goal above, the technical solution adopted by the present invention are as follows: a kind of molding of neutron radiation shield concrete block
Device, it includes four side templates (2) for being arranged on rack (1) and surrounding frame, the shaping frame of four side templates (2) composition
Upper and lower sides are combined with movable die device (6), and the movable die device (6) includes the pressing mold liter being arranged on rack (1)
It drops pull rod (9), the pressing mold lifter drawing bar (9), which is connected with, can penetrate shaping frame and the pressuring template (14) with shaping frame cooperation.
Further, the center of left and right side template (2) is connected with rotating device, the outside setting of the pressuring template (14)
Have screw thread installation set (10), the flexible cephalic par of the pressing mold lifter drawing bar (9) be shape of threads and with screw thread installation set (10)
Cooperation, the pressing mold lifter drawing bar (9) are connected on the pressing mold rotary electric machine (8) being arranged on rack (1).
Further, the rotating device includes the side form rotary electric machine (5) being arranged on rack (1), the side
Mould rotary electric machine (5) is connected with side form turntable (4), is provided with no less than two and side template (2) on the side form turntable (4)
The side form active pull rod (3) of connection, and output axial symmetry of the side form active pull rod (3) about side form rotary electric machine (5).
Further, four pieces of side templates (2) are connected two-by-two, and side form activity drawing is connected on the outside of left and right side template (2)
Bar (3) is provided with electric hot plate (15) on the outside of front and back side template (2).
Further, it is provided with junction block (16) on the outside of the electric hot plate (15), the junction block (16) cooperation
Have plug wire block (17), the plug wire block (17) is connected on the plug wire active pull rod (18) on rack (1).
Further, the pressing mold that left and right trend is provided on the outside of the pressuring template (14) is held out against pull rod (11), described
Pressing mold hold out against pull rod (11) both ends be connected with left and right side template (2) cooperation pressing mold withstanding tight block (12), the pressing mold
It is provided on the outside of withstanding tight block (12) and holds out against elastomer block (13).
Further, the upper and lower part of the shaping frame is provided with plastic plate feeding locating slot (7), the plastic cement
The medial surface of plate feeding locating slot (7) is concordant with shaping frame, and the plastic plate feeding locating slot (7) of top and the bottom is rotated about side form
The output shaft central symmetry of motor (5).
The invention has the benefit that
1, the present invention can be controlled preferably every using the movable die device of fixed side template cooperation upper and lower sides setting
The thickness of one layer of template is simultaneously able to carry out floating, at the same can also according to the different concrete blocks for needing to process different-thickness,
Greatly improve the adaptation range of concrete block molding machine.
2, the design of rotating device cooperates the pressuring template and pressing mold lifter drawing bar that can be separated, can make multi-layer concrete
Block can be since middle layer, and then concrete block after molding can be made to have better globality effect.
3, the structure of rotating device is simple, easy to operate, can either play the role of good rotation or more transposition, simultaneously also
The effect that side template held out against and unloaded power-assisted can be played.
4, four pieces of side templates are connected two-by-two, have further facilitated demoulding, while the design of electric hot plate, can be to avoid concrete
Slurry solidification is too fast, and then three layer concrete blocks can be made preferably to link together.
5, the design of the junction block on electric hot plate and plug wire block can make junction block and plug wire block when side template rotates
It separates, and rotates completion and can be good at realizing conversion docking later, side template and cable in rotation process is avoided to do
Relate to winding.
6, pressing mold holds out against the design of pull rod, pressuring template can be enable to be pressed firmly against in side template, prevents it from rotating
During fall.
7, the design of plastic plate feeding locating slot, can be for the concrete block for being provided with plastic plate among concrete layer
(more preferably concrete layer can be made to link together) carries out the accurate feeding of plastic plate, cooperates the design of electric hot plate, can make to mould
It also can be carried out more uniform solidification after offset plate hot melt.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the molding machine of neutron radiation shield concrete block.
Fig. 2 is the cross-sectional view of A-A in Fig. 1.
Fig. 3 is the top view of side template.
Fig. 4 is the structural schematic diagram of movable die device.
Fig. 5 is the partial enlarged view of B in Fig. 2.
Label character as shown in the figure indicates are as follows: 1, rack；2, side template；3, side form active pull rod；4, side form turntable；5, side
Mould rotary electric machine；6, movable die device；7, plastic plate feeding locating slot；8, pressing mold rotary electric machine；9, pressing mold lifter drawing bar；
10, screw thread installation set；11, pressing mold holds out against pull rod；12, pressing mold withstanding tight block；13, elastomer block is held out against；14, pressuring template；15, electric heating
Plate；16, junction block；17, plug wire block；18, plug wire active pull rod.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing to the present invention into
Row detailed description, the description of this part be only it is exemplary and explanatory, should not have any limitation to protection scope of the present invention
Effect.
As shown in Figs. 1-5, structure of the invention are as follows: a kind of molding machine of neutron radiation shield concrete block, it includes setting
Four side templates 2 of frame are set in rack 1 and surround, the upper and lower sides of the shaping frame of four side templates 2 composition are combined with movable pressure
Mold device 6, the movable die device 6 include the pressing mold lifter drawing bar 9 being arranged in rack 1, and the pressing mold, which is gone up and down, to be drawn
Bar 9, which is connected with, can penetrate shaping frame and the pressuring template 14 with shaping frame cooperation.
Preferably, the center of left and right side template 2 is connected with rotating device, and the outside of the pressuring template 14 is provided with screw thread
Installation set 10, the flexible cephalic par of the pressing mold lifter drawing bar 9 are shape of threads and cooperate with screw thread installation set 10, the pressure
Mould lifter drawing bar 9 is connected on the pressing mold rotary electric machine 8 being arranged in rack 1.
Preferably, the rotating device includes the side form rotary electric machine 5 being arranged in rack 1, the side form rotation
Motor 5 is connected with side form turntable 4, and no less than two side form connecting with side template 2 activities are provided on the side form turntable 4
Pull rod 3, and output axial symmetry of the side form active pull rod 3 about side form rotary electric machine 5.
Preferably, four pieces of side templates 2 are connected two-by-two, and the outside of left and right side template 2 is connected with side form active pull rod 3, preceding
The outside of rear side template 2 is provided with electric hot plate 15.
Preferably, the outside of the electric hot plate 15 is provided with junction block 16, and the junction block 16 is combined with plug wire block
17, the plug wire block 17 is connected on the plug wire active pull rod 18 in rack 1.
Preferably, the pressing mold that the outside of the pressuring template 14 is provided with left and right trend holds out against pull rod 11, the pressing mold
The both ends for holding out against pull rod 11 are connected with the pressing mold withstanding tight block 12 cooperated with left and right side template 2, the pressing mold withstanding tight block 12 it is outer
Side, which is provided with, holds out against elastomer block 13.
Preferably, the upper and lower part of the shaping frame is provided with plastic plate feeding locating slot 7, on the plastic plate
Expect that the medial surface of locating slot 7 is concordant with shaping frame, and the plastic plate feeding locating slot 7 of top and the bottom is about side form rotary electric machine 5
Output shaft central symmetry.
When specifically used, first passing through side form active pull rod 3 makes side template 2 be combined into shaping frame, then passes through the pressure of lower part
Mould lifter drawing bar 9 makes pressuring template 14 enter the proper height in shaping frame, holds out against 11 band of pull rod by the pressing mold of lower part later
Dynamic pressure mould withstanding tight block 12 is held out against on the inside of side form, is injected the concrete grout of the medium grains of sand later, is made top in the same way
Pressuring template 14, which pushes down concrete grout, makes its floating, makes 6 homing of movable die device on top later, plastic plate is added, so
After add fine sand concrete grout, smooth out in the same way, later pass through pressing mold rotary electric machine 8 and pressing mold lifter drawing bar 9
Collective effect makes pressing mold lifter drawing bar 9 be detached from pressing mold and holds out against pull rod 11, turns over side form integrally by side form rotary electric machine 5 later
Turnback, then cope plate is lifted, coarse sand concrete is added after plastic plate is added, is smoothed out in the same way later, so
Plug wire block 17 is inserted into junction block 16 by plug wire active pull rod 18 again afterwards, heats electric hot plate 15, after melting plastic plate
Natural cooling solidification pulls out side form by side form active pull rod 3 later, while holding out against pull rod 11 by pressing mold and driving pressing mold
Withstanding tight block 12 pushes side template 2 outward, and then separates the concrete block of forming with side template, completes whole moldings
Journey.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Used herein a specific example illustrates the principle and implementation of the invention, the explanation of above example
It is merely used to help understand method and its core concept of the invention.The above is only a preferred embodiment of the present invention, it answers
When pointing out due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.
Claims (6)
1. a kind of molding machine of neutron radiation shield concrete block, it includes four sides for being arranged on rack (1) and surrounding frame
Template (2), which is characterized in that the upper and lower sides of the shaping frame of four side templates (2) composition are combined with movable die device (6), institute
The movable die device (6) stated includes the pressing mold lifter drawing bar (9) being arranged on rack (1), the pressing mold lifter drawing bar (9)
Shaping frame and the pressuring template (14) with shaping frame cooperation can be penetrated by being connected with, and the center of left and right side template (2) is connected with rotation dress
It sets, is provided on the outside of the pressuring template (14) screw thread installation set (10), the flexible head end of the pressing mold lifter drawing bar (9)
Portion is shape of threads and cooperates with screw thread installation set (10) that the pressing mold lifter drawing bar (9) is connected to the pressure being arranged on rack (1)
On mould rotary electric machine (8).
2. a kind of molding machine of neutron radiation shield concrete block according to claim 1, which is characterized in that described turns
Dynamic device includes the side form rotary electric machine (5) being arranged on rack (1), and the side form rotary electric machine (5) is connected with side form and turns
Disk (4) is provided with the no less than two side form active pull rods (3) connecting with side template (2) on the side form turntable (4), and
Output axial symmetry of the side form active pull rod (3) about side form rotary electric machine (5).
3. a kind of molding machine of neutron radiation shield concrete block according to claim 2, which is characterized in that four pieces of side forms
Plate (2) is connected two-by-two, and side form active pull rod (3) are connected on the outside of left and right side template (2), the outside of front and back side template (2)
It is provided with electric hot plate (15).
4. a kind of molding machine of neutron radiation shield concrete block according to claim 3, which is characterized in that the electricity
It is provided on the outside of hot plate (15) junction block (16), the junction block (16) is combined with plug wire block (17), the plug wire block
(17) it is connected on the plug wire active pull rod (18) on rack (1).
5. a kind of molding machine of neutron radiation shield concrete block according to claim 3, which is characterized in that the pressure
The pressing mold that left and right trend is provided on the outside of template (14) is held out against pull rod (11), and the both ends that the pressing mold holds out against pull rod (11) connect
It is connected to the pressing mold withstanding tight block (12) with left and right side template (2) cooperation, is provided with and holds out against on the outside of the pressing mold withstanding tight block (12)
Elastomer block (13).
6. a kind of molding machine of neutron radiation shield concrete block according to claim 3, which is characterized in that it is described at
The upper and lower part of type frame is provided with plastic plate feeding locating slot (7), the medial surface of the plastic plate feeding locating slot (7) with
Shaping frame is concordant, and output shaft central symmetry of the plastic plate feeding locating slot (7) of top and the bottom about side form rotary electric machine (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213085.4A CN109795014B (en) | 2017-12-14 | 2017-12-14 | Neutron radiation protection concrete block forming device capable of discharging materials in up-down two directions |
| CN201711335201.7A CN108058262B (en) | 2017-12-14 | 2017-12-14 | A kind of molding machine of neutron radiation shield concrete block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335201.7A CN108058262B (en) | 2017-12-14 | 2017-12-14 | A kind of molding machine of neutron radiation shield concrete block |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213085.4A Division CN109795014B (en) | 2017-12-14 | 2017-12-14 | Neutron radiation protection concrete block forming device capable of discharging materials in up-down two directions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108058262A CN108058262A (en) | 2018-05-22 |
| CN108058262B true CN108058262B (en) | 2019-06-28 |
Family
ID=62138650
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213085.4A Active CN109795014B (en) | 2017-12-14 | 2017-12-14 | Neutron radiation protection concrete block forming device capable of discharging materials in up-down two directions |
| CN201711335201.7A Expired - Fee Related CN108058262B (en) | 2017-12-14 | 2017-12-14 | A kind of molding machine of neutron radiation shield concrete block |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213085.4A Active CN109795014B (en) | 2017-12-14 | 2017-12-14 | Neutron radiation protection concrete block forming device capable of discharging materials in up-down two directions |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109795014B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021061082A2 (en) * | 2019-09-26 | 2021-04-01 | Unimak Makina Sanayi Ve Ticaret A.S. | A vitrified product casting machine |
| CN111231053B (en) * | 2020-03-09 | 2022-01-21 | 王玉平 | Concrete member and forming machine and forming method thereof |
| CN112720803B (en) * | 2020-12-15 | 2022-03-25 | 东莞市金利怡卫浴有限公司 | Integrated bathroom product forming and manufacturing method |
| CN114619540B (en) * | 2021-11-23 | 2024-03-29 | 怀宁县四通混凝土制品有限公司 | Anti-radiation concrete processing device and production process thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5916504A (en) * | 1997-07-07 | 1999-06-29 | Pavement Technology, Inc. | Method for forming a test specimen from a mixture of asphalt concrete |
| US7175414B2 (en) * | 2003-07-29 | 2007-02-13 | Ness Inventions, Inc. | Block mold having moveable liner |
| US9011137B2 (en) * | 2011-07-15 | 2015-04-21 | Magnum Forms Inc. | Block forming apparatus and method |
| DE212012000289U1 (en) * | 2012-12-14 | 2015-08-18 | Technopark Limited Liability Company | Form for the production of series modules (variants) or corner modules (variants) |
| CN103950094B (en) * | 2014-05-19 | 2016-04-06 | 叶萌 | The general multi-cavity assembling die of a kind of concrete segment |
| CN105666644A (en) * | 2016-01-28 | 2016-06-15 | 重庆市合川区狮滩矸砖厂 | Hollow brick manufacturing device |
| CN106217615B (en) * | 2016-08-29 | 2018-12-11 | 无锡市东北塘永丰橡塑厂 | A kind of curb stone mould for manufacturing with drain function |
| CN106217603B (en) * | 2016-08-29 | 2018-07-10 | 无锡市锡山区仁景模具厂 | A kind of curb stone mould of convenient disassembly |
-
2017
- 2017-12-14 CN CN201910213085.4A patent/CN109795014B/en active Active
- 2017-12-14 CN CN201711335201.7A patent/CN108058262B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108058262A (en) | 2018-05-22 |
| CN109795014A (en) | 2019-05-24 |
| CN109795014B (en) | 2020-11-24 |
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Application publication date: 20180522 Assignee: Guangzhou Jieming Building Materials Trade Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2023990000091 Denomination of invention: A forming device for neutron radiation protection concrete block Granted publication date: 20190628 License type: Common License Record date: 20230112 |
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Assignee: Guangzhou Jieming Building Materials Trade Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2023990000091 Date of cancellation: 20230424 |
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