CN101943011B - Constant-strength high-convex-ladder-shaped coal mine underground deep supporting device - Google Patents
Constant-strength high-convex-ladder-shaped coal mine underground deep supporting device Download PDFInfo
- Publication number
- CN101943011B CN101943011B CN2010102979136A CN201010297913A CN101943011B CN 101943011 B CN101943011 B CN 101943011B CN 2010102979136 A CN2010102979136 A CN 2010102979136A CN 201010297913 A CN201010297913 A CN 201010297913A CN 101943011 B CN101943011 B CN 101943011B
- Authority
- CN
- China
- Prior art keywords
- plane
- entity
- supporting
- boss
- coal mine
- 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
- 230000008093 supporting effect Effects 0.000 title claims abstract description 39
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 abstract 3
- 238000005336 cracking Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Landscapes
- Ladders (AREA)
Abstract
The invention provides a constant-strength high-convex-ladder-shaped coal mine underground deep supporting device, which comprises a strip main steel band, wherein a boss is arranged in the middle of the strip main steel band; at least two strip grooves are formed on the back of the boss lengthwise; the two opening ends of the strip grooves are connected with the inner ends of a first plane and a second plane respectively; the outer end of the first plane is crossed with the edge of the outer end, which extends outwards gradually, of a first inclined plane; the outer end of the second plane is crossed with the edge of the outer end, which gradually extends outwards, of a second inclined plane; a supporting solid body is arranged between each two strip grooves; the plane of the supporting solid bodies is in the same plane as the first plane and the second plane or lower than the first and second planes or higher than the first and second planes; the supporting solid bodies have a through hole; and the connecting parts of the supporting bodies and the strip grooves are in an arc shape. In the invention, the full length of a basic supporting part is rendered in a basically constant strength state, both common supporting and deep supporting avoid cracking, tearing and breaking, and thus, the safety problem of steel band in supporting is solved radically.
Description
Technical field
The present invention relates to support technology under the coal mine, is deep support device under the strong high protruding ladder type coal mine such as a kind of grade.
Background technology
Supporting requires safety very high under the coal mine, and to reduce production costs under the prerequisite of high security be the higher design of a kind of difficulty reaching.Because reduce production costs, do not comprise the application of saving material merely, also comprise many-sided problems such as difficulty of easy construction, support parts down-hole operation.Therefore, the applicant is from the constantly improvement of research down-hole support parts of the beginning nineties, in the hope of reaching the optimum efficiency of supporting.The supporting steel band that use amount is bigger in the supporting of down-hole after there was reasonable breakthrough improvement the beginning in 1998, is widely used by this area at present.But find that in use some steel band is in phenomenons such as some supporting Duan Yi crack, tears, and and then fracture.After this applicant carried out the research improvement in 2006, though effect is better, when deep support and when facilities such as back production instead of steel back timber, still existed not enough: in phenomenons such as some supporting section place still crack or tears.For this reason, those skilled in the art reach the purpose of gaining in strength with the thickness that increases steel band, in the hope of problem such as solve crackle or tear; Yet experiment shows, when thickness of strips increases; The peculiar elasticity of steel band bulge-structure, cushion bearing capacity, be adjacent to each item indexs such as top board degree and all decrease; Therefore, in recent years, this problem is not solved so far.
Summary of the invention
The purpose of this invention is to provide deep support device under the strong high protruding ladder type coal mine such as a kind of grade; Make the total length of its basic support parts be in strong state such as basic grade; Crackle in common supporting and deep support, all do not occur, tear, phenomenon of rupture, thereby thoroughly solve the safety problem of steel band in supporting.
The present invention is for realizing above-mentioned purpose; Realize through following technical scheme: wait deep support device under the protruding ladder type coal mine of strong height, comprise a strip main body steel band, strip main body steel band middle part is provided with boss; Boss runs through the whole length of strip main body steel band; Boss two bottoms are connected with the highest point of first inclined-plane with second inclined-plane respectively, offer 2 strip grooves on the length direction at the boss back side at least, and two openends of strip groove are connected with first plane and second plane are inner respectively; The outward extending gradually outer end edges in the outer end on first plane and first inclined-plane is along intersecting; The outward extending gradually outer end edges in the outer end on second plane and second inclined-plane is provided with one and supports entity along intersecting between per two strip grooves, the plane of support entity and first plane and second plane are in the same plane; Or the plane of supporting entity is lower than first plane and second plane; Or the plane of supporting entity is higher than first plane and second plane, supports on the entity and offers through hole, and supporting entity is that arcuation is connected with strip groove connection.The length L that supports entity is the 60-120 millimeter.Support on the entity and offer conical through-hole, the outside diameter of conical through-hole is positioned at place, boss plane, and 3 arcuation latch segments are installed in the conical through-hole; Each arcuation latch segment external surface is the inclined-plane; Inner surface is to be faced directly, and screw thread all is set on the inner surface of each arcuation latch segment, and 3 arcuation latch segments surround the truncated cone; Truncated cone middle part is a cavity, and steel hinge line is installed in the cavity.The external surface of the wide end of each arcuation latch segment is laterally offered the dismounting groove.The height of each arcuation latch segment is the 40-49.5 millimeter, and the cavity diameter at truncated cone middle part is the 16.5-23.5 millimeter.The width L of boss is the 60-80 millimeter.Between the support entity of per two installation steel hinge lines, a support entity that links to each other with individual prop is set, the individual prop end face is offered groove, supports entity card in groove.The height H 3 of boss is 21-40 millimeters, and the thickness H2 of the boss of strip groove is the 6-12 millimeter.
The invention has the advantages that: because the entire length of the bare bones strip main body steel band that supporting is used all is in strong state such as basic grade; Phenomenons such as crackle, boss are torn, steel band fracture appear so thoroughly solved in down-hole supporting or back production steel band; For the safety of down-hole supporting provides stable guarantee; Prolonged the application life of steel band, simultaneously, kept the distinctive elasticity of steel band bossing, cushioned bearing capacity and make whole steel band can be close to the various performance requirements of top board; Can be used for the general supporting with anchor pole combination, with the deep support of steel cable, lockset or other unit construction.Can accomplish the more supporting of deep layer with other unit construction, make supporting intensity higher, the anchoring section bearing capacity reaches 330KN-550KN; And can constitute arch country rock (coal) supporting mass in deep layer; Disperse the pressure at top, tunnel, alleviate the pressure at right angle at top, tunnel, further improve supporting intensity; Simultaneously; Can also when back production, only need use individual prop get final product during the combination of suspension device of the present invention and steel hinge line and latch segment, that uses when not needing back production replaces canopy, back timber and all structures and engineering such as scaffold dismantling, and has saved construction cost significantly and has improved efficiency of construction etc.
Description of drawings
Accompanying drawing 1 is a steel band structural representation of the present invention; Accompanying drawing 2 is A-A sectional structure sketch mapes in the accompanying drawing 1; Accompanying drawing 3 is B-B section structure for amplifying sketch mapes in the accompanying drawing 2; Accompanying drawing 4 is that C-C analyses and observe the structure for amplifying sketch map in the accompanying drawing 2; Accompanying drawing 5 is one of embodiment of the present invention structural representations; Accompanying drawing 6 be in the accompanying drawing 5 D to the structure for amplifying sketch map; Accompanying drawing 7 is one of embodiment of the present invention structure structural representations; Accompanying drawing 8 be in the accompanying drawing 7 E to the structure for amplifying sketch map.
The specific embodiment
The contrast accompanying drawing further specifies the present invention.
Shown in Figure 1 is one of suspension device of the present invention structural representation; Comprise a strip main body steel band; Strip main body steel band middle part is provided with boss 1, and boss 1 runs through the whole length of strip main body steel band, and 1 liang of bottom of boss is connected with the highest point on first inclined-plane 3 and second inclined-plane 2 respectively; At least offer 2 strip grooves 4 on the length direction at boss 1 back side; 4 two openends of strip groove are connected with first plane 7 and 8 the inners, second plane respectively, and the outward extending gradually outer end edges in the outer end on first plane 7 and first inclined-plane 3 is along intersecting, and the outward extending gradually outer end edges in the outer end on second plane 8 and second inclined-plane 2 is along intersecting; Be provided with one between per two strip grooves 4 and support entity 5; The plane of supporting entity 5 is in the same plane with first plane 7 and second plane 8, or the plane of support entity 5 is lower than first plane 7 and second plane 8, or the plane of support entity 5 is higher than first plane 7 and second plane 8; Support on the entity 5 and offer through hole 6, supporting entity 5 is that arcuation is connected with strip groove 4 connections.The suspension device of this structure can make the intensity on the strip main body steel band entire length remain on the basic state that equates; And can keep to be close to top board under the prerequisite greater than 20 millimeters peculiar elasticity of high boss structure and buffering bearing capacity; Crackle does not take place, tears or ruptures in any one in the time limit in application life, particularly in the intensity of the tapping intensity greater than other position, has thoroughly avoided being prone to herein the phenomenon that lockset or nut penetrate; Increased substantially safety; When back production, can use individual prop to be supported on the support physical location, phenomenon does not appear tearing etc.
Further research shows; The length L that supports entity 5 is the 60-120 millimeter; Be that to be used for deep support safe, in light weight, the key element that strip main body steel band bulk strength is equated basically is when it can realize carrying top pressure; Pressure is passed on the whole strip main body steel band through supporting entity, makes strip main body steel band whole stressed even.
The further scheme of the present invention is following: support on the entity 5 and offer conical through-hole, the outside diameter of conical through-hole is positioned at place, boss 1 plane, and 3 arcuation latch segments 9 are installed in the conical through-hole; Each arcuation latch segment 9 external surface is the inclined-plane; Inner surface is to be faced directly, 11,3 arcuation latch segments 9 of screw thread all is set on the inner surface of each arcuation latch segment 9 surrounds the truncated cone; Truncated cone middle part is a cavity, and steel hinge line 10 is installed in the cavity.This structure can realize the deep support greater than 6 meters; Supporting intensity is further increased,, also can wrap steel strand simultaneously because latch segment can closely be attached in the taper hole that supports entity; Form stable support; Steel hinge line is advanced with the anchoring agent in greater than the deep hole more than 2 meters in rock stratum or coal seam fully stirs in minimum gap, make the anchoring agent firmly bond steel hinge line after, the other end of the steel strand piece that can be locked fast closely highly is locked; And bearing capacity is passed to the support entity, and then bearing capacity is distributed on the strip main body steel band.The supporting of this structure can be implemented in the stressed stressed circle of arch rock (coal) body that forms naturally of deep-level country rock (coal); Power so as to powerful self rock (coal) donor stops and outwards dispersive pressure; Alleviate direct pressure, to reach the purpose of protection top board to top board.The supporting of this structure can directly be supported on individual prop on the support entity 5 on the strip main body steel band when back production; Need not offer through hole on the support entity 5 here; When offering through hole, also can use, but intensity decreases, its concrete structure is: between the support entity 5 of per two installation steel hinge lines 10, a support entity 5 that links to each other with individual prop 12 is set; Individual prop 12 end faces are offered groove 13, support entity 5 and are stuck in the groove 13.This structure can be used in when substituting in the prior art back production; Back timber is installed, is set up for canopy and dismounting are extremely loaded down with trivial details for canopy etc., labour intensity big, the technical scheme of construction large contingent; Under the high prerequisite of safety, cost of production is reduced significantly, construction speed is significantly accelerated.
For the ease of the dismounting latch segment, laterally offer the dismounting groove at the external surface of each arcuation latch segment 9 wide end.The height of each arcuation latch segment 9 of the present invention is the 40-49.5 millimeter, and the cavity diameter at the truncated cone middle part that 3 latch segments surround is the 16.5-23.5 millimeter, and this is the best key element that further guarantees high security, reaches supporting effect.
The through hole of offering on the support entity of the present invention is straight hole also can offering when using with anchor pole combination; Not all need offer through hole on each support entity; When propping up with monomer when leaning in the deep support back production; Between per two support entities 5 of offering through hole a support entity of not offering through hole can be set; Warp detects the intensity of the intensity of the support physical location of not offering through hole greater than other position of strip main body steel band, and the intensity of offering the support physical location of through hole is equal to or slightly greater than strip main body steel band except that not offering the intensity that through hole supports other position the entity.
When the width L of boss 1 was the 60-80 millimeter, this size factor can satisfy the stress balance requirement at taper hole place.
The height H 3 of said boss 1 is 21-40 millimeters, and the thickness H2 of the boss 1 at strip groove 4 places is 6-12 millimeters, and this size factor can further satisfy the matching structure that bearing capacity is 330-570KN.H1 is the height of strip main body steel band among the figure.
Claims (7)
1. wait deep support device under the strong high protruding ladder type coal mine; Comprise a strip main body steel band; Strip main body steel band middle part is provided with boss (1); Boss (1) runs through the whole length of strip main body steel band; Lateral wall two bottoms of boss (1) length direction are connected with first inclined-plane (3) highest point with second inclined-plane (2) respectively, it is characterized in that: boss (1) is offered 2 strip grooves (4) at least with respect to the horizontal direction of steel band on the length direction at the back side on the plane of upper process, and (4) two openends of strip groove are connected with first plane (7) and second plane (8) are inner respectively; The outward extending gradually outer end edges in the outer end on first plane (7) and first inclined-plane (3) is along intersecting; The outward extending gradually outer end edges in the outer end on second plane (8) and second inclined-plane (2) is provided with one and supports entity (5) along intersecting between per two strip grooves (4), plane and first plane (7) and second plane (8) of supporting entity (5) are in the same plane; Or the plane of supporting entity (5) is lower than first plane (7) and second plane (8); Or the plane of supporting entity (5) is higher than first plane (7) and second plane (8), supports on the entity (5) and offers through hole (6), and support entity (5) is that arcuation is connected with strip groove (4) connection.
2. deep support device under the strong high protruding ladder type coal mine of grade according to claim 1, it is characterized in that: the length L that supports entity (5) is the 60-120 millimeter.
3. deep support device under the strong high protruding ladder type coal mine of grade according to claim 1; It is characterized in that: support on the entity (5) and offer conical through-hole, the outside diameter of conical through-hole is positioned at the plane place of boss (1) to upper process, and 3 arcuation latch segments (9) are installed in the conical through-hole; Each arcuation latch segment (9) external surface is the inclined-plane; Inner surface is to be faced directly, and screw thread (11) all is set on the inner surface of each arcuation latch segment (9), and 3 arcuation latch segments (9) surround the truncated cone; Truncated cone middle part is a cavity, and steel hinge line (10) is installed in the cavity.
4. deep support device under the strong high protruding ladder type coal mine of grade according to claim 3, it is characterized in that: the external surface of the wide end of each arcuation latch segment (9) is laterally offered the dismounting groove.
5. deep support device under the strong high protruding ladder type coal mine of grade according to claim 3, it is characterized in that: the height of each arcuation latch segment (9) is the 40-49.5 millimeter, and the cavity diameter at truncated cone middle part is the 16.5-23.5 millimeter.
6. deep support device under the strong high protruding ladder type coal mine of grade according to claim 3, it is characterized in that: the width L of boss (1) is the 60-80 millimeter.
7. deep support device under the strong high protruding ladder type coal mine of grade according to claim 3; It is characterized in that: between the support entity (5) of per two installation steel hinge lines (10), a support entity (5) that links to each other with individual prop (12) is set; Individual prop (12) end face is offered groove (13), supports entity (5) and is stuck in the groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102979136A CN101943011B (en) | 2010-02-01 | 2010-09-30 | Constant-strength high-convex-ladder-shaped coal mine underground deep supporting device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010301027.6 | 2010-02-01 | ||
| CN201010301027 | 2010-02-01 | ||
| CN2010102979136A CN101943011B (en) | 2010-02-01 | 2010-09-30 | Constant-strength high-convex-ladder-shaped coal mine underground deep supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943011A CN101943011A (en) | 2011-01-12 |
| CN101943011B true CN101943011B (en) | 2012-11-28 |
Family
ID=43435193
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102979136A Expired - Fee Related CN101943011B (en) | 2010-02-01 | 2010-09-30 | Constant-strength high-convex-ladder-shaped coal mine underground deep supporting device |
| CN2010205498896U Expired - Fee Related CN201826868U (en) | 2010-02-01 | 2010-09-30 | Strength-constant and high-concave ladder type underground deep support device in coal mine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205498896U Expired - Fee Related CN201826868U (en) | 2010-02-01 | 2010-09-30 | Strength-constant and high-concave ladder type underground deep support device in coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101943011B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444413B (en) * | 2011-12-20 | 2014-01-15 | 三一重型综采成套装备有限公司 | Hydraulic support and top beam thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5791828A (en) * | 1995-02-09 | 1998-08-11 | Fergusson; Jeffrey Robert | Plate for use in support of a mine roof |
| CN2763521Y (en) * | 2005-01-11 | 2006-03-08 | 姜有 | Duoble-S type steel band for anchoring |
| CN200946520Y (en) * | 2006-06-27 | 2007-09-12 | 孔祥清 | Down-hole suspension device for coal mine |
| CN200964864Y (en) * | 2006-06-27 | 2007-10-24 | 孔祥清 | Support steel belt for down-hole for coal mine |
| CN200968220Y (en) * | 2006-09-11 | 2007-10-31 | 甄宏伦 | Mining 3V and multi-V steel belt |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2431351C (en) * | 2002-06-07 | 2008-01-22 | Jennmar Corporation | Square embossed roof and rib plate |
-
2010
- 2010-09-30 CN CN2010102979136A patent/CN101943011B/en not_active Expired - Fee Related
- 2010-09-30 CN CN2010205498896U patent/CN201826868U/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5791828A (en) * | 1995-02-09 | 1998-08-11 | Fergusson; Jeffrey Robert | Plate for use in support of a mine roof |
| CN2763521Y (en) * | 2005-01-11 | 2006-03-08 | 姜有 | Duoble-S type steel band for anchoring |
| CN200946520Y (en) * | 2006-06-27 | 2007-09-12 | 孔祥清 | Down-hole suspension device for coal mine |
| CN200964864Y (en) * | 2006-06-27 | 2007-10-24 | 孔祥清 | Support steel belt for down-hole for coal mine |
| CN200968220Y (en) * | 2006-09-11 | 2007-10-31 | 甄宏伦 | Mining 3V and multi-V steel belt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201826868U (en) | 2011-05-11 |
| CN101943011A (en) | 2011-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105370299B (en) | The buried empty roadway protection processing in high seam thin coal pillar edge of km | |
| CN201218105Y (en) | Mine tunnel digging support component | |
| CN103216244B (en) | Roadway soft roof anchoring beam-arch combined structure supporting system and supporting method | |
| CN104847406A (en) | Method for fracturing retained filled wall of adjacent coal face | |
| CN109441503B (en) | Support method for controlling mine pressure of narrow coal pillar along empty coal roadway to increase reversely | |
| CN206000543U (en) | A kind of supporting construction protecting lane for gob side entry retaining | |
| CN101943011B (en) | Constant-strength high-convex-ladder-shaped coal mine underground deep supporting device | |
| CN204532363U (en) | The built-up arch suspension device in tunnel | |
| CN101899987B (en) | Coal mine roadway deep support construction method | |
| CN207131418U (en) | A kind of supporting coal mine underworkings device | |
| CN100591856C (en) | Support member of deep foundation pit fender post | |
| CN206129286U (en) | Deep soft rock roadway under high stress high strength support | |
| CN205743941U (en) | A kind of colliery tunnel support plate | |
| CN202520344U (en) | Anchoring force enhancing device for anchor rod | |
| CN202768034U (en) | High-strength whole thread equal-strength resin anchor bar steel bar | |
| CN205189916U (en) | Slip casting formula bilayer lets pressure stock | |
| CN205400744U (en) | Utilize along empty supporting construction who realizes closely coal seam exploitation in lane that protects | |
| CN104061010A (en) | Rock anchor rod capable of conducting segmented anchoring | |
| CN205225304U (en) | Novel multistage pressure stock that lets | |
| CN103498685A (en) | Retaining and protecting device for pressure relief windows of base plate and two edges of extremely soft rock roadway | |
| CN204729111U (en) | A kind of assembled bolt | |
| CN107060811A (en) | The bracing means of thin coal pillar between a kind of tunnel | |
| CN107461213A (en) | Non-isometric anchor rod laneway roof timbering system | |
| CN109252882B (en) | Three-region cooperative coupling supporting system for broken surrounding rock roadway and construction method of three-region cooperative coupling supporting system | |
| CN210422660U (en) | Stress balance diffusion star rib tray |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: KONG LINGZENG Effective date: 20120119 Owner name: KONG LINGZENG Free format text: FORMER OWNER: SHI YANJIE Effective date: 20120119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kong Lingzeng Inventor before: Shi Yanjie Inventor before: Kong Lingzeng |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20120119 Address after: Central Yuhan road Ji'nan City, Shandong province 250022 City No. 39 Building No. 10 Room 301 Applicant after: Kong Lingzeng Address before: Central Yuhan road Ji'nan City, Shandong province 250022 City No. 39 Building No. 10 Room 301 Applicant before: Shi Yanjie Co-applicant before: Kong Lingzeng |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170505 Address after: 273500 East head of Zoucheng Economic Development Zone, Shandong province (five Li Village) Patentee after: Zoucheng Tai Xin Industry & Trade Co., Ltd. Address before: Central Yuhan road Ji'nan City, Shandong province 250022 City No. 39 Building No. 10 Room 301 Patentee before: Kong Lingzeng |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20170930 |