CN105665072A - Convenient and quick-dismounted hammer crushing system with bin and dust removing device - Google Patents
Convenient and quick-dismounted hammer crushing system with bin and dust removing device Download PDFInfo
- Publication number
- CN105665072A CN105665072A CN201610063565.3A CN201610063565A CN105665072A CN 105665072 A CN105665072 A CN 105665072A CN 201610063565 A CN201610063565 A CN 201610063565A CN 105665072 A CN105665072 A CN 105665072A
- Authority
- CN
- China
- Prior art keywords
- feed bin
- quick release
- convenient quick
- dust arrester
- crushing system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000428 dust Substances 0.000 title claims abstract description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
- B02C23/22—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating with recirculation of material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a convenient and quick-dismounted hammer crushing system with a bin and a dust removing device. The system comprises a convenient and quick-dismounted hammer crusher, the bin (5) arranged at the bottom of the convenient and quick-dismounted hammer crusher, and the dust removing device; and the convenient and quick-dismounted hammer crusher includes a machine body (3), a flywheel (11) in reverse thread assembly with a hammer disc shaft (14) of the machine body (3), and a belt wheel (15) in forward thread assembly with the hammer disc shaft (14) of the machine body (3). The convenient and quick-dismounted hammer crushing system can effectively solve the problem of difficult disassembly of the thread assembly of the hammer crusher caused by continuously automatic locking under the load effect, can realize the disassembly convenience, and realizes the dustless crushing work.
Description
Technical field
The present invention relates to a kind of crushing system, belong to ore grinding, powder-making technique field, particularly relate to a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester.
Background technology
Hammer mill is generally used as the conventional selection of ore grinding, powder process, hammer mill due to simple in construction, be easy to safeguard, simultaneously equipment treating capacity is very big, uses in a lot of broken fields. It is the belt pulley other end is flywheel that the structure of common hammer mill is typically all hammer dish axle one end, and flywheel is all heavier with belt pulley, is conducive to rotating and obtains bigger rotary inertia and favorably proceed smoothly broken; Run owing to hammer mill is typically all long-time continuous bearing, so bearing is fragile, change bearing and all need the first dismounting flywheel at hammer dish axle two ends, belt pulley, but the assembling of the flywheel of hammer mill, belt pulley belongs to typical axle, hole interference fit, and carry out carrying transmission by key, assembling generally all needs to load very big extruding force, all very inconvenient with instrument dismounting without professional equipment, thus can meet use and can be easy to again quick dismounting, assemble and need to completely newly be designed. Simultaneously as the dust that crushing system produces is very big, environment be will also result in impact.
Summary of the invention
Present invention aim to propose a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester, axle with the connection in hole realizes threaded and transmission, and add dust arrester, there is the function of convenient assembling, dismounting and dedusting.
For solving above technical problem, the technical solution adopted in the present invention is: a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester, including convenient Quick Release hammer mill, it is arranged at the feed bin 5 of described convenient Quick Release hammer crushing motor spindle and dust arrester.
Described prompt Quick Release hammer mill includes body, with the flywheel of described body hammer dish axle positive/negative thread each other assembling and belt pulley.
Being provided with a bronze medal between described flywheel and hammer dish axle and mould composite pad, described copper is moulded composite pad and is included copper packing and be arranged at the meltable plastic washer of copper packing both sides.
Being provided with a clip assembly between described belt pulley and hammer dish axle, described clip assembly includes several card hoop bodies, coordinates the clip pad installed and the connector for card hoop body is fixed with described card hoop body; The cross section of described card hoop body is wedge, and the card slot fit being similarly wedge with clip pad is installed;The card trench bottom of described wedge has some through holes, can effectively strengthen axial elasticity.
Described dust arrester includes air exhauster, and described blower fan aerofluxus tangentially enters cyclone dust extractor, and the gas of removing dust is emptied by exhaustor, and the particulate dust of seizure returns feed bin by wind stopping device.
Further, described copper packing outer rim is provided with and some is mutually inclined angled fin structure, it is possible to strengthen heating surface (area) (HS so that copper packing is brought rapidly up.
Further, described clip pad is for having axial elasticity function flexible plastic.
Further, described card hoop body two ends are provided with clip ear, are fixed in order to connector.
Further, described connector is bolt arrangement.
Further, described organism bottom is provided with cushion socket.
Further, described body upper is provided with charging aperture.
Further, described bin bottom is provided with vibration discharging machine, it is possible to realize controlling discharging.
The present invention can effectively solve hammer mill Screw assembly continuous not easily detachable problem of auto lock under load effect, is specifically for use in the convenient dismounting after hammer crushing mechanism member screw-threaded coupling, and has following remarkable advantage:
1, not changing the feature of Screw assembly, only need to add copper and mould composite pad and clip pad, clip, low being also especially susceptible to of cost realizes;
2, copper moulds composite pad, clip pad can play good Stress decomposition effect, effectively strengthens the bearing capacity of structure;
3, the Assembly And Disassembly that copper moulds the design of composite pad hot melt and clip is used to realize the tensioning of axial accessory and lax function very cleverly, the effectively quick tensile force eliminating the locking of similar nut, it is achieved the assembly rapid and convenient dismounting of similar nut member Screw assembly tight especially;
4, clip pad and the wedged dress distribution structure of card hoop body are easy to repeatedly quick assembly and disassembly use;
5, band dust arrester, protects environment.
Accompanying drawing explanation
Fig. 1 is a kind of convenient Quick Release hammer crushing overall system architecture schematic diagram with feed bin Yu dust arrester of the present invention;
Fig. 2 is a kind of convenient Quick Release hammer crushing system body internal structure schematic diagram with feed bin Yu dust arrester of the present invention;
Fig. 3 is that a kind of convenient Quick Release hammer crushing system copper with feed bin Yu dust arrester of the present invention moulds composite pad structural representation;
Fig. 4 is a kind of convenient Quick Release hammer crushing system clip assembly structure schematic diagram with feed bin Yu dust arrester of the present invention;
Fig. 5 is a kind of convenient Quick Release hammer crushing system card hoop body structural representation with feed bin Yu dust arrester of the present invention;
Fig. 6 is a kind of convenient Quick Release hammer crushing system clip mat structure schematic diagram with feed bin Yu dust arrester of the present invention.
Shown in number in the figure, name is called: 1, charging aperture 2, bearing block 3, body 4, cushion socket 5, feed bin 6, vibration discharging machine 7, blower fan 8, cyclone dust extractor 9, exhaustor 10, wind stopping device 11, flywheel 12, copper mould composite pad 13, bearing 14, hammer dish axle 15, belt pulley 16, clip assembly 17, hammer dish 21, copper packing 22, plastic washer 31, card hoop body 32, clip ear 33, clip pad 34, through hole 35, bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are further described.
As shown in Fig. 1～2, a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester, including convenient Quick Release hammer mill, it is arranged at the feed bin 5 of described convenient Quick Release hammer crushing motor spindle and dust arrester.
Described convenient Quick Release hammer mill includes charging aperture 1, cushion socket 4, body 3, and respectively with the flywheel 11 of described body 3 hammer dish axle 14 Screw assembly and belt pulley 15.It is provided with a bronze medal between described flywheel 11 and hammer dish axle 14 and moulds composite pad 12, between described belt pulley 15 and hammer dish axle 14, be provided with a clip assembly 16. Wherein, hammer dish axle 14 and flywheel 11 adopt derotation threaded engagement, adopt dextrorotation Screw assembly with belt pulley 15.
Adopting such positive/negative thread rotation direction to coordinate is can automatically constantly can lock with carrying with work, need during detachable maintaining, to utilize the copper of innovative design to mould composite pad 12, clip assembly 16, pass through operation readiness, can simply eliminate the similar nut member pressure to screw shaft shoulder end face, at this moment nut and screw part are in unloading vacant state, take apart and become equally simple and convenient with Screw assembly, largely effective for solving Screw assembly continuous not easily detachable situation of auto lock under load effect, particularly hammer mill shaft components screw-threaded coupling field, such function is particularly important.
Copper moulds the structure of composite pad as it is shown on figure 3, described copper moulds composite pad 12 includes copper packing 21 and be arranged at the meltable plastic washer 22 of copper packing 21 both sides; Described copper packing 21 outer rim is provided with and some is mutually inclined angled fin structure.
When flywheel 11 needs dismounting but is very difficult, the copper packing 21 that copper is moulded in the middle of Composition spacer 12 by oxy arc is adopted to carry out oxy arc heat treated, owing to the conductivity of heat of copper is fabulous, and the fusing point of plastics is relatively low, after heating, plastic washer 22 is heated melting, the compression tensile force of flywheel 11 and shaft shoulder step is completely eliminated, and makes flywheel 11 be in vacant state completely and is especially susceptible to dismounting.
As shown in figures 4-6, described clip assembly 16 includes two semicircular ring card hoop bodies 31 and forms opening structure clip assembly 16 structure, coordinates the clip pad 33 installed and the bolt 35 for card hoop body 31 is fixed with described card hoop body 31.
The cross section of described card hoop body 31 is wedge, and the card slot fit being similarly wedge with clip pad 33 is installed.
Described clip pad 33 is for having axial elasticity function flexible plastic. Meanwhile, the card trench bottom of wedge has some through holes 34, can effectively strengthen axial elasticity.
The Assembly And Disassembly utilizing card hoop body 31 realizes the tensioning of axial accessory and lax function, the effectively quick tensile force eliminating screw-threaded coupling, it is achieved Screw assembly rapid and convenient dismounting tight especially.
Clip pad 33 two ends are planar structure, it is simple to coordinate with shaft shoulder plane, and card hoop body 31 uses bolt 35 through the hole on clip ear 32, is assemblied on clip pad 33 and is integrally forming.
Fuller dish axle 14 screws in the pulley 15 of similar nut more rationally all locking again, makes card hoop body 31, clip pad 33 pulley 15 with similar nut constitute with hammer dish axle 14 and is rigidly connected, meets instructions for use.
When the pulley 15 of similar nut needs dismounting but is very difficult, with spanner, bolt 35 is pulled down, two semicircular ring card hoop bodies of cause 31 are quick is wedge shape to opening structure and card hoop body 31 cross section, can connect to close up from two clip ears 32 with the flat instrument in one end and easily pry open, card hoop body 31 easy removal is got off, clip pad 33 returns to relaxed state, the tensile force after the locking of pulley 15 and shaft shoulder end face is made to be completely eliminated, make pulley 15 can be in vacant state completely by similar nut, thus being especially susceptible to dismounting.
Described dust arrester includes taking out the blower fan 7 that can realize negative pressure pulverizing, and the aerofluxus of described blower fan 7 tangentially enters cyclone dust extractor 8, and the gas of removing dust is emptied by exhaustor 9, and the particulate dust of seizure returns feed bin 5 by wind stopping device 10, it is achieved without the broken work of dust.It is provided with vibration discharging machine 6 bottom described feed bin 5 to realize controlling discharging.
The foregoing is only preferred embodiment of the present invention; not thereby restriction embodiments of the present invention and protection domain; to those skilled in the art; equivalent replacement that all utilizations description of the present invention and diagramatic content do and the obtained scheme of apparent change should be can appreciate that, all should be included in protection scope of the present invention.
Claims (8)
1. the convenient Quick Release hammer crushing system with feed bin Yu dust arrester, it is characterised in that include convenient Quick Release hammer mill, is arranged at the feed bin (5) of described convenient Quick Release hammer crushing motor spindle and dust arrester;
Described convenient Quick Release hammer mill includes body (3), with the flywheel (11) of described body (3) hammer dish axle (14) positive/negative thread each other assembling and belt pulley (15).
Being provided with a bronze medal between described flywheel (11) and hammer dish axle (14) and mould composite pad (12), described copper is moulded composite pad (12) and is included copper packing (21) and be arranged at the meltable plastic washer (22) of copper packing (21) both sides.
A clip assembly (16) it is provided with between described belt pulley (15) and hammer dish axle (14), described clip assembly (16) includes several card hoop bodies (31), coordinates the clip pad (33) installed and the connector for card hoop body (31) is fixed with described card hoop body (31); The cross section of described card hoop body (31) is wedge, and the card slot fit being similarly wedge with clip pad (33) is installed; The card trench bottom of described wedge has some through holes (34).
Described dust arrester includes air exhauster (7), described blower fan (7) aerofluxus tangentially enters cyclone dust extractor (8), the gas of removing dust is by exhaustor (9) emptying, and the particulate dust of seizure returns feed bin (5) by wind stopping device (10).
2. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to claim 1, it is characterised in that described copper packing (21) outer rim is provided with and some is mutually inclined angled fin structure.
3. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to claim 1, it is characterised in that described clip pad (33) is for having axial elasticity function flexible plastic.
4. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to claim 1, it is characterised in that described card hoop body (31) two ends are provided with clip ear (32), are fixed in order to connector.
5. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to claim 1, it is characterised in that described connector is bolt (35) structure.
6. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to any one in claim 1-5, it is characterised in that be provided with cushion socket (4) between described body (3) and feed bin (5).
7. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to claim 6, it is characterised in that described body (3) top is provided with charging aperture (1).
8. a kind of convenient Quick Release hammer crushing system with feed bin Yu dust arrester according to any one in claim 1-5, it is characterised in that described feed bin (5) bottom is provided with vibration discharging machine (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063565.3A CN105665072B (en) | 2016-01-29 | 2016-01-29 | A kind of convenient Quick Release hammer crushing system with feed bin and dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063565.3A CN105665072B (en) | 2016-01-29 | 2016-01-29 | A kind of convenient Quick Release hammer crushing system with feed bin and dust arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105665072A true CN105665072A (en) | 2016-06-15 |
| CN105665072B CN105665072B (en) | 2017-12-19 |
Family
ID=56303831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610063565.3A Expired - Fee Related CN105665072B (en) | 2016-01-29 | 2016-01-29 | A kind of convenient Quick Release hammer crushing system with feed bin and dust arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105665072B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437914A (en) * | 2020-03-28 | 2020-07-24 | 郑州力达自动化控制有限公司 | High-power sand making machine and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2413061A (en) * | 2004-04-16 | 2005-10-19 | Samsung Kwangju Electronics Co | Cyclonic dust-collecting apparatus |
| CN101507940A (en) * | 2009-01-15 | 2009-08-19 | 湘潭市双马世纪新材料有限公司 | Dehumidification dust-free Raymond mill |
| CN102962242A (en) * | 2012-12-04 | 2013-03-13 | 汨罗万容电子废弃物处理有限公司 | Harmless treatment and resource recovery method and harmless treatment and resource recovery equipment for waste circuit board with components |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
| CN105135101A (en) * | 2015-09-17 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Pipeline joint locking device |
-
2016
- 2016-01-29 CN CN201610063565.3A patent/CN105665072B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2413061A (en) * | 2004-04-16 | 2005-10-19 | Samsung Kwangju Electronics Co | Cyclonic dust-collecting apparatus |
| CN101507940A (en) * | 2009-01-15 | 2009-08-19 | 湘潭市双马世纪新材料有限公司 | Dehumidification dust-free Raymond mill |
| CN102962242A (en) * | 2012-12-04 | 2013-03-13 | 汨罗万容电子废弃物处理有限公司 | Harmless treatment and resource recovery method and harmless treatment and resource recovery equipment for waste circuit board with components |
| CN203784067U (en) * | 2014-03-20 | 2014-08-20 | 邵传江 | Reusable anti-theft bolt |
| CN105135101A (en) * | 2015-09-17 | 2015-12-09 | 中国航空工业集团公司沈阳发动机设计研究所 | Pipeline joint locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437914A (en) * | 2020-03-28 | 2020-07-24 | 郑州力达自动化控制有限公司 | High-power sand making machine and method thereof |
| CN111437914B (en) * | 2020-03-28 | 2021-11-09 | 郑州力达自动化控制有限公司 | High-power sand making machine and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105665072B (en) | 2017-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Shensong Inventor before: Yang Zhenghua Inventor before: Tong Wanmin Inventor before: Zeng Aihua Inventor before: Guo Ke |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20171123 Address after: 312000 Zhejiang Province, Shaoxing city Keqiao District Qianqing Shu Feng Village Applicant after: Shaoxing Kahashi Komatsu Textile Co.,Ltd. Address before: 416000 Hunan, Xiangxi Tujia and Miao Autonomous Prefecture, Jishou City People's road, No. 120 Applicant before: Jishou University |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180808 Address after: 330200 Nanchang, Jiangxi province Nanchang County Tacheng Township Hu Po Village 194 Patentee after: Zhu Dinghua Address before: 312000 Shu Feng Village, Qian Qing town, Keqiao District, Shaoxing, Zhejiang Patentee before: Shaoxing Kahashi Komatsu Textile Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180911 Address after: 530409 the Guangxi Zhuang Autonomous Region Nanning city Binyang County Litang town industrial concentration area Patentee after: GUANGXI BINYANG LITUO NEW BUILDING MATERIALS Co.,Ltd. Address before: 330200 Nanchang, Jiangxi province Nanchang County Tacheng Township Hu Po Village 194 Patentee before: Zhu Dinghua |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |