CN104826707A - Material crusher - Google Patents
Material crusher Download PDFInfo
- Publication number
- CN104826707A CN104826707A CN201510233378.0A CN201510233378A CN104826707A CN 104826707 A CN104826707 A CN 104826707A CN 201510233378 A CN201510233378 A CN 201510233378A CN 104826707 A CN104826707 A CN 104826707A
- Authority
- CN
- China
- Prior art keywords
- rotary body
- platform shape
- taper platform
- inversed taper
- slag charge
- 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
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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- 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
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/32—Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a material crusher. The material crusher comprises a machine shell, wherein an inverted-frustum-shaped rotating body and an inverted-frustum-shaped filtering supporting part are arranged in the machine shell, the rotating body is movably connected with the machine shell by a main shaft, a fixed blade and a movable blade are distributed at the circumferential side of the rotating body, a crushed finished material meeting the requirement is filtered into a cavity formed by the filtering supporting part and the machine shell, the crushed finished material meeting the requirement and a residue material which is not qualified are prevented from being fed back together, unnecessary workload of equipment and workers is reduced, the equipment resistance is reduced, the equipment efficiency is improved, the whole material down channel is in a gradually-shrinking state, the material subjected to certain crushing process still can keep certain compactness when moving to a lower gap, the material at the lower part can be crushed sufficiently, and the crushing efficiency is high.
Description
Technical field
The present invention relates to crushing material equipment technical field, particularly relate to a kind of materials crusher.
Background technology
At present, pulverizer traditional on market is owing to mostly being horizontal pulverizer, and lack thickness material separating mechanism, in actual applications, due to material usually once pulverize be difficult to completely qualified, need feed back repeatedly repeat pulverize, conventional size reduction machine needs to be carried out by whole material repeating to pulverize, which adds personnel and equipment workload, time-consuming efficiency is low, and power consumption is high; Particularly or vigorous property material larger for some water content, situation is even more serious, often occurs the blocked and situations such as machine of choking of screen cloth in actual applications, and material difficulty or ease are pulverized, and easily cause equipment downtime, even damage equipment; This kind of material jaw crusher or edge runner do not reach crushing effect at all, and material can be pressed into mud cake shape, and adopt beater grinder easily to cause material to be bonded on fixed disk, stall is shut down.
Application number disclosed in 20 days March in 2013 be 201210456393.8 patent of invention disclose a kind of continuous vertical stir pulverizer, primarily of decelerator, shaft coupling, upper bearing (metal), lower bearing, shaft, cylindrical shell, blade fixed disk, revolving vane, fixed blades and elastic shock-absorbing device composition, upper on cylindrical shell, in lower bearing, shaft is installed and fixedly mounts decelerator or hydraulic motor with shaft coupling in the overhanging upper end section of shaft, the cylinder inner segment of this shaft is regular polygon shaft part, on the regular polygon shaft part of this shaft, uniform compartment of terrain is fixing is from top to bottom set with blade fixed disk, uniform fixed installation revolving vane on the regular polygon dish of each blade fixed disk, the inwall of cylindrical shell fixedly mounts abrasion-proof backing block, the fixed blades of compartment of terrain circumference uniform distribution fixed installation from top to bottom on the inwall of cylindrical shell, the relative motion of revolving vane and fixed blades, material is made to reach the effect be uniformly mixed while pulverizing.
Its weak point is: 1) lack thickness feed separation mechanism, and when carrying out feed back pulverizing for the disposable material being difficult to pulverize, repeat to pulverize qualified material, cause facility load to increase the weight of, person works measures increase, affects operating efficiency and power consumption increase; 2) cylindrical tube body structure, easily causes material to decline too fast, the abundant comminuting matter of difficulty or ease.
Summary of the invention
The object of the invention is to aim to provide and a kind ofly both can realize thickness feed separation while pulverizing, material gait of march, materials crusher that crush efficiency is higher can be limited again.
The technical scheme adopted for realizing object of the present invention is: a kind of materials crusher, comprise casing, inversed taper platform shape rotary body and inversed taper platform shape filtration support member are set in casing, described rotary body is flexibly connected with described casing by main shaft, within its week, side is laid with fixed blade and movable blades, described filtration support member is fixedly connected with described casing, described bottom of shell arranges the funnel-form slag charge material-falling hopper be communicated with described filtration support member, cabinet top arranges material feeding mouth and slag charge charging aperture respectively, described slag charge material-falling hopper is communicated with described slag charge charging aperture by feed back pipe, described chassis sidewall bottom arranges finished product discharging opening.
Described main shaft bottom is stretched out outside described rotary body, and its extending area arranges rotating vane.
Described chassis backplane is obliquely installed.
Described fixed blade is horizontally set on described rotary body, and described movable blades is arranged on described rotary body by rotating shaft.
Described main shaft two ends are flexibly connected with described casing respectively by axle bed.
Described feed back pipe arranges air-introduced machine.
Described finished product discharging opening is multiple.
Materials crusher of the present invention, by arranging inversed taper platform shape rotary body and inversed taper platform shape filtration support member on main shaft, fixed blade and movable blades are laid in all sides of described rotary body, filter bores on described filtration support member be designed to degree of grinding reach finished product require just by size, satisfactory finished powder particle is filtered to and filters in cavity that support member and casing formed, degree of grinding is undesirable, moves downward continue to pulverize along the slope shape gap of filtering between support member and revolving part, reduce equipment resistance, improve device efficiency, and avoid satisfactory finished powder particle and undesirable slag charge together feed back, minimizing equipment and the unnecessary workload of personnel, enhance productivity, compared with traditional straight tubular construction, structure of the present invention is on the one hand owing to having certain gradient, slowed down the downstream rate of material, make crushing material more abundant, on the other hand, whole material down going channel is in reducing the state of tightening up gradually, make material movement through certain crushing process to underclearance, still can keep certain density, make the crushing material efficiency of bottom higher more abundant, avoid legacy equipment after the material pulverized arrives equipment bottom, sparse, fall too fast, do not have the effect of pulverizing, have effectively achieved and realize thickness feed separation while pulverizing, material gait of march can be limited again, crush efficiency is higher more abundant, described main shaft is provided with rotating vane, described rotating vane is below described rotary body, on the one hand the material advanced to bottom rotary body is carried out to the cutting and grinding of a step again, to material, there is agitaion on the other hand, make undesirable slag charge enter funnel fast, avoid blocking choke machine situation occur, described bottom of shell arranges the funnel-form slag charge material-falling hopper be communicated with described filtration support member, and nonconforming slag charge draws in by described slag charge material-falling hopper, and is transported to slag charge charging aperture by feed back pipe, again pulverizes, described chassis sidewall bottom arranges finished product discharging opening, is convenient to satisfactory finished powder particle to collect, and can be extracted out fast by finished powder particle by air-introduced machine and pipeline, described chassis backplane is obliquely installed, and drastically increases the collection efficiency of finished powder particle, and finished powder particle under gravity, slides to finished product discharging opening voluntarily, avoids finished powder particle and accumulates in equipment, described fixed blade is horizontally set on described rotary body, described movable blades is arranged on described rotary body by rotating shaft, fixed blade can carry out pressure cutting to material, movable blades is under effect of inertia, realize clashing into and pulverize, and by adjusting rotary speed, the adjustment to blade cut capacity can be realized, described main shaft two ends are flexibly connected with described casing respectively by axle bed, significantly enhance the stability of main shaft, improve crush efficiency, described feed back pipe is provided with air-introduced machine, drastically increases feed back efficiency, fast nonconforming slag charge loopback is entered slag charge charging aperture, avoid slag charge to cause the blocking of feed back pipe, by adopting multiple finished product discharging opening, drastically increasing the collection efficiency of the finished powder particle that meets the requirements, avoiding finished powder particle to accumulate in the cavity of pulverizer.The present invention is that crushing material provides and a kind ofly both can realize thickness feed separation while pulverizing, can limit again material gait of march, materials crusher that crush efficiency is higher.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of the embodiment of the present invention two.
Detailed description of the invention
Embodiment one
As shown in Figure 1: a kind of materials crusher, comprise casing 8, inversed taper platform shape rotary body 12 and inversed taper platform shape filtration support member 3 are set in casing 8, described rotary body 12 is flexibly connected with described casing 8 by main shaft 4, within its week, side is laid with fixed blade 6 and movable blades 7, described filtration support member 3 is fixedly connected with described casing 8, the funnel-form slag charge material-falling hopper 11 be communicated with described filtration support member 3 is set bottom described casing 8, cabinet top arranges material feeding mouth 5 and slag charge charging aperture respectively, described slag charge material-falling hopper 11 is communicated with described slag charge charging aperture by feed back pipe 2, described casing 8 lower sidewall arranges finished product discharging opening 9.Described main shaft 4 bottom is stretched out outside described rotary body 12, and its extending area arranges rotating vane 10.Described fixed blade 6 is horizontally set on described rotary body 12, and described movable blades 7 is arranged on described rotary body 12 by rotating shaft.Described main shaft 4 two ends are flexibly connected with described casing 8 respectively by axle bed.Described feed back pipe 2 arranges air-introduced machine 1.
Embodiment two
As shown in Figure 2: the difference part of the present embodiment and embodiment one is: be ramp structure bottom described casing 8, described finished product discharging opening 9 is arranged on side bottom slope, described main shaft 4 lower end is provided with bearing, and is connected with described casing 8 by support bar, and described finished product discharging opening 9 is multiple.
Materials crusher of the present invention, material is sent in pulverizer through material feeding mouth, the fixed blade on rotary body and movable blades is utilized to carry out cutting and grinding to material, satisfactory finished powder particle is filtered to filters in cavity that support member and casing formed by filtering support member, the undesirable slag charge of degree of grinding then moves downward along the slope shape gap of filtering between support member and revolving part and continues to pulverize, structure of the present invention is on the one hand because blanking channel has certain gradient, slowed down the downstream rate of material, make crushing material more abundant, on the other hand, whole material down going channel is in reducing the state of tightening up gradually, make material movement through certain crushing process to underclearance, still can keep certain density, make the crushing material efficiency of bottom higher more abundant, the rotating vane that main shaft is arranged, the material advanced to bottom rotary body is carried out to the cutting and grinding of a step again, and to material, there is agitaion, undesirable slag charge is made to enter slag charge material-falling hopper fast, avoid blocking choke machine situation occur, nonconforming slag charge draws in by slag charge material-falling hopper, and is transported to slag charge charging aperture by feed back pipe, again pulverizes, described chassis sidewall bottom arranges finished product discharging opening, can be extracted out fast by finished powder particle by air-introduced machine and pipeline, chassis backplane is obliquely installed, and finished powder particle under gravity, slides to finished product discharging opening voluntarily, avoids finished powder particle and accumulates in equipment, fixed blade can carry out pressure cutting to material, and movable blades, under effect of inertia, realizes clashing into and pulverizes, and by adjusting rotary speed, can realize the adjustment to blade cut capacity, described main shaft two ends are flexibly connected with described casing respectively by axle bed, significantly enhance the stability of main shaft, improve crush efficiency, feed back pipe is provided with air-introduced machine, fast nonconforming slag charge loopback is entered slag charge charging aperture, avoid slag charge to cause the blocking of feed back pipe, by adopting multiple finished product discharging opening, improve the collection efficiency of the finished powder particle that meets the requirements, avoiding finished powder particle to accumulate in the cavity of pulverizer.The present invention is that crushing material provides and a kind ofly both can realize thickness feed separation while pulverizing, can limit again material gait of march, materials crusher that crush efficiency is higher.
Claims (5)
1. a materials crusher, comprise casing, it is characterized in that: inversed taper platform shape rotary body and inversed taper platform shape filtration support member are set in casing, described inversed taper platform shape rotary body is flexibly connected with described casing by main shaft, within its week, side is laid with fixed blade and movable blades, described inversed taper platform shape is filtered support member and is fixedly connected with described casing, described bottom of shell setting and described inversed taper platform shape filter the funnel-form slag charge material-falling hopper that support member is communicated with, cabinet top arranges material feeding mouth and slag charge charging aperture respectively, described funnel-form slag charge material-falling hopper is communicated with described slag charge charging aperture by feed back pipe, described chassis sidewall bottom arranges finished product discharging opening, described main shaft bottom is stretched out outside described inversed taper platform shape rotary body, its extending area arranges rotating vane, described fixed blade is horizontally set on described inversed taper platform shape rotary body, described movable blades is arranged on described inversed taper platform shape rotary body by rotating shaft, described chassis backplane is obliquely installed, the pipeline of described finished product discharging opening arranges air-introduced machine, described feed back pipe arranges air-introduced machine.
2. materials crusher as claimed in claim 1, is characterized in that: described main shaft two ends are flexibly connected with described casing respectively by axle bed.
3. materials crusher as claimed in claim 1, is characterized in that: described finished product discharging opening is multiple.
4. materials crusher as claimed in claim 1, is characterized in that: whole material down going channel is in reducing the state of tightening up gradually.
5. materials crusher as claimed in claim 1, is characterized in that: described rotating vane is below described rotary body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510233378.0A CN104826707B (en) | 2013-07-31 | 2013-07-31 | Materials crusher |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510233378.0A CN104826707B (en) | 2013-07-31 | 2013-07-31 | Materials crusher |
CN201310327918.2A CN103381381B (en) | 2013-07-31 | 2013-07-31 | Material grinder |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310327918.2A Division CN103381381B (en) | 2013-07-31 | 2013-07-31 | Material grinder |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104826707A true CN104826707A (en) | 2015-08-12 |
CN104826707B CN104826707B (en) | 2017-05-31 |
Family
ID=49489435
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510233378.0A Active CN104826707B (en) | 2013-07-31 | 2013-07-31 | Materials crusher |
CN201310327918.2A Expired - Fee Related CN103381381B (en) | 2013-07-31 | 2013-07-31 | Material grinder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310327918.2A Expired - Fee Related CN103381381B (en) | 2013-07-31 | 2013-07-31 | Material grinder |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN104826707B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105457735A (en) * | 2015-12-30 | 2016-04-06 | 天津横天生物科技有限公司 | Smashing system used for powder production |
CN108970752A (en) * | 2018-08-27 | 2018-12-11 | 徐志华 | A kind of mining broken equipment of multistage mineral powder |
CN117463447A (en) * | 2023-11-30 | 2024-01-30 | 东台施迈尔新材料科技有限公司 | Raw material grinding device for alumina ceramic production |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106607136A (en) * | 2016-05-02 | 2017-05-03 | 江苏轻石科技有限公司 | Smashing and grinding device used in garbage fertilizer making system |
CN106391196A (en) * | 2016-11-18 | 2017-02-15 | 无锡大功机械制造有限公司 | Rotary garbage extruding device |
CN107876151A (en) * | 2017-09-30 | 2018-04-06 | 无锡厚发自动化设备有限公司 | A kind of multistage grinder |
CN107866294B (en) * | 2017-10-27 | 2019-06-04 | 东莞正大康地饲料有限公司 | A kind of feed-processing device |
CN109046694A (en) * | 2018-09-17 | 2018-12-21 | 长沙开元仪器有限公司 | Grinding type pulverizer |
CN113860934A (en) * | 2021-09-18 | 2021-12-31 | 山东呗特科技发展有限公司 | Fertilizer compost agitating unit |
CN113560023B (en) * | 2021-09-28 | 2021-12-07 | 江苏锐拓生物科技有限公司 | Bio-based material grinding device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2292611Y (en) * | 1997-04-07 | 1998-09-30 | 徐州华绿环保机电工程设备厂 | House refuse breaking disintegrator |
CN2310618Y (en) * | 1997-07-11 | 1999-03-17 | 李黔鲁 | Electric heating flour- and pulp-milling pulverizer |
JP2001258765A (en) * | 2000-03-22 | 2001-09-25 | Mutsuo Hamaguchi | Simple crusher |
JP2002204970A (en) * | 2001-01-12 | 2002-07-23 | Okawara Mfg Co Ltd | Conical mixing, crushing and drying apparatus |
CN202122993U (en) * | 2011-04-29 | 2012-01-25 | 广东逸舒制药有限公司 | Energy-saving high-efficiency grinding and granulating machine |
KR20120052619A (en) * | 2010-11-16 | 2012-05-24 | 이성주 | Food waste treatment apparatus |
CN202666943U (en) * | 2012-07-09 | 2013-01-16 | 潍坊金丝达环境工程股份有限公司 | Vertical multi-cutter crushing machine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09122522A (en) * | 1995-11-02 | 1997-05-13 | Kakushin Kogyo Kk | Cutting crusher |
CN201094925Y (en) * | 2007-08-15 | 2008-08-06 | 南京龙立天目超微粉体技术有限公司 | Multiple composite global function all-functional micro mist crushing and grading machine unit |
CN202725280U (en) * | 2012-06-28 | 2013-02-13 | 安徽瑞虎肥业有限公司 | Crushing device with recovery device |
CN202962588U (en) * | 2012-12-10 | 2013-06-05 | 郑州金土地能源科技有限公司 | Kitchen waste disposer |
CN203389716U (en) * | 2013-07-31 | 2014-01-15 | 方城县三利热能开发有限公司 | Material pulverizer |
-
2013
- 2013-07-31 CN CN201510233378.0A patent/CN104826707B/en active Active
- 2013-07-31 CN CN201310327918.2A patent/CN103381381B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2292611Y (en) * | 1997-04-07 | 1998-09-30 | 徐州华绿环保机电工程设备厂 | House refuse breaking disintegrator |
CN2310618Y (en) * | 1997-07-11 | 1999-03-17 | 李黔鲁 | Electric heating flour- and pulp-milling pulverizer |
JP2001258765A (en) * | 2000-03-22 | 2001-09-25 | Mutsuo Hamaguchi | Simple crusher |
JP2002204970A (en) * | 2001-01-12 | 2002-07-23 | Okawara Mfg Co Ltd | Conical mixing, crushing and drying apparatus |
KR20120052619A (en) * | 2010-11-16 | 2012-05-24 | 이성주 | Food waste treatment apparatus |
CN202122993U (en) * | 2011-04-29 | 2012-01-25 | 广东逸舒制药有限公司 | Energy-saving high-efficiency grinding and granulating machine |
CN202666943U (en) * | 2012-07-09 | 2013-01-16 | 潍坊金丝达环境工程股份有限公司 | Vertical multi-cutter crushing machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105457735A (en) * | 2015-12-30 | 2016-04-06 | 天津横天生物科技有限公司 | Smashing system used for powder production |
CN108970752A (en) * | 2018-08-27 | 2018-12-11 | 徐志华 | A kind of mining broken equipment of multistage mineral powder |
CN117463447A (en) * | 2023-11-30 | 2024-01-30 | 东台施迈尔新材料科技有限公司 | Raw material grinding device for alumina ceramic production |
Also Published As
Publication number | Publication date |
---|---|
CN103381381A (en) | 2013-11-06 |
CN103381381B (en) | 2015-06-10 |
CN104826707B (en) | 2017-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103381381B (en) | Material grinder | |
CN203990745U (en) | A kind of veterinary drug reducing mechanism | |
CN203389716U (en) | Material pulverizer | |
CN103263955B (en) | Production equipment for extracting cotton protein from cottonseed meal | |
CN204544295U (en) | A kind of micronizer | |
CN205340959U (en) | High -efficient super little rubbing crusher | |
CN211801513U (en) | Preparation system of sugar alcohol powder | |
CN208695114U (en) | A kind of pharmaceutical engineering raw material chopper | |
CN103521333A (en) | Smashing and two-stage sorting process and system | |
CN201161200Y (en) | Superfine disintegrator | |
CN103495482A (en) | Smashing and sorting technology as well as smashing and sorting system | |
CN207951671U (en) | Fodder grinder | |
CN103861704B (en) | A kind of high-quality oiliness materials crusher | |
CN210159690U (en) | Press-grinding type sand making machine | |
CN205109770U (en) | Traditional chinese medicinal material smashing device | |
CN205042557U (en) | Novel flour -milling machine | |
CN106000571A (en) | Crushing device for flour processing | |
CN208244804U (en) | It is a kind of for handling the efficient pulverizing equipment of shraff | |
CN208824678U (en) | It is a kind of to crush unit with the Horizontal type Chinese medicinal for pulverizing function | |
CN204051837U (en) | A kind of food masher | |
CN205868439U (en) | Reducing mechanism is used in flour processing | |
CN215743797U (en) | Laboratory disc grinding device | |
CN202336421U (en) | Tripod type filter unit | |
CN203281380U (en) | Production device used for extracting cotton proteins from cottonseed meal | |
CN102240585A (en) | Special-purposed pulverizer for coal mine fire extinguishing high hygrophanous resin, and application method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
EXSB | Decision made by sipo to initiate substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Weidong Inventor after: Liu Fengyuan Inventor after: Shen Yang Inventor before: Li Weidong Inventor before: Shen Yang |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |