CN103243931B - Multi-story masonry unit-door external elevator structure and construction method thereof - Google Patents
Multi-story masonry unit-door external elevator structure and construction method thereof Download PDFInfo
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- CN103243931B CN103243931B CN201310127631.5A CN201310127631A CN103243931B CN 103243931 B CN103243931 B CN 103243931B CN 201310127631 A CN201310127631 A CN 201310127631A CN 103243931 B CN103243931 B CN 103243931B
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 18
- 238000010008 shearing Methods 0.000 claims description 13
- 239000004575 stone Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000002513 implantation Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940074869 marquis Drugs 0.000 description 1
- VBUNOIXRZNJNAD-UHFFFAOYSA-N ponazuril Chemical compound CC1=CC(N2C(N(C)C(=O)NC2=O)=O)=CC=C1OC1=CC=C(S(=O)(=O)C(F)(F)F)C=C1 VBUNOIXRZNJNAD-UHFFFAOYSA-N 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
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- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
A kind of multi-story masonry unit-door external elevator structure and construction method thereof, comprise former masonry structure, also comprise the additional elevator structure in cell gate entrance being arranged on former masonry structure, additional elevator structure is for newly to add patten, newly add load-bearing pillar and Xin Jia elevator beam and form two Pin elevator frame than former masonry structure height one deck, the space that one Pin framework of adjacent former masonry structure is formed is wait between ladder, the space formed at an outmost Pin framework is elevator shaft, lift car is provided with in elevator shaft, elevator shaft arranges elevator machine room in the layer exceeding former masonry structure.The present invention is not changing on the basis of former masonry structure substantially, increases one vertical transportation mode quickly and easily, realizes the raising of increase to the function of old building and user's using character, can extensively quote in longer old building transformation service life.
Description
Technical field
The present invention relates to a kind of old masonry residence strengthening reconstruction structure and construction method thereof, especially a kind of old masonry residence sets up reconstruction structure and the construction method thereof of vertical traffic aisle fast.
Background technology
Along with the progressively raising of City Life Quality, people propose strong Desire demand to vertical transportation easily, and the demand especially entering aging society this respect is more outstanding.At the eighties initial stage, in China's urban architecture, due to the limit value by factors such as economic conditions at that time, multi-storey building does not have lift-mounting.Stay in the old man in multi-storey building, disabled person, because upper and lower stair legs and feet are inconvenient, can not arrive outdoor activities for a long time, quality of life is poor, and this also result in one piece of worry of many elderlys.At present, these multi-storey buildings at least can also use the time of about 40 years, remove reconstruction works amount greatly, inject capital into huge, and the removal pressure very large to urban formation, also form the significant wastage of fund and resource.Therefore, elevator set up by existing multi-storey building, greatly will improve the quality of life of people undoubtedly, especially solves the trip problem of old man and disabled person, and this is also a kind of imbody ensureing life of elderly person right.Along with residential lift is to the future development of simple and easy, safety, low price, can predict, when economic condition is permitted, in existing Remodeling of multi-storied housing, set up elevator, it is very promising for making it to become main vertical transportation mode.
Summary of the invention
The present invention, in conjunction with old house masonry structure comprehensive reformation engineering, proposes in multi-story masonry unit-door external elevator structure and construction method thereof.Be mainly the elderly to solve existing old multi-story masonry house main residential personnel, and build the age and elevator is not set, the technical problem of inhabitation personnel especially handicapped personnel's vertical transportation inconvenience due to the restriction of economic condition.
Technical scheme of the present invention is as follows:
A kind of multi-story masonry unit-door external elevator structure, comprise former masonry structure, also comprise the additional elevator structure of the cell gate entrance being arranged on former masonry structure, described additional elevator structure is for newly to add patten, newly add load-bearing pillar and Xin Jia elevator beam and form two Pin elevator frame than former masonry structure height one deck, wherein, the space that one Pin framework of adjacent former masonry structure is formed is wait between ladder, the space formed at an outmost Pin framework is elevator shaft, lift car is provided with in described elevator shaft, elevator shaft arranges elevator machine room in the layer exceeding former masonry structure, wherein, that is close to the setting of former masonry structure exterior wall newly adds load-bearing pillar, it is connected by the constructional column of chemical anchor bolts with former masonry structure exterior wall, link position is in layering place of former masonry structure, described chemical anchor bolts outer end is fastenedly connected by backing plate and nut, newly adds between load-bearing pillar and carries out drawknot in layering place of former masonry structure by steel tie-rod, the described elevator beam that newly adds is arranged on layering place of former masonry structure, its be close to newly adding between load-bearing pillar that former masonry structure exterior wall arranges and be fixedly connected with by junction plate.
Described newly adding below elevator beam, is supported with supporting plate, is connected between the two by plain bolt.
Described junction plate and backing plate are welded to connect, and newly add elevator beam by high-strength friction bolt connection, and described supporting plate and backing plate are welded to connect.
Described backing plate is monoblock steel plate every layer of junction, and its thickness is not less than 20mm.
Described chemical anchor bolts are at least 10 every layer of junction, arrange in two separate ranks, and its length stretching into constructional column should not be less than 200mm.
Described junction plate is provided with stiffening rib, and described stiffening rib and backing plate are welded to connect.
The described load-bearing pillar that newly adds is steel column, concrete column or masonry post.
Add in patten and be embedded with stone bolt and suspension column backing plate, reserve shearing resistance hole in steel column base center.
Above-mentioned multi-story masonry unit-door external elevator structure construction method, adopts following steps:
Step one: according to design drawing, in the region that periphery, former housing unit door entrance arranges elevator shaft and waits between ladder, prepare that the position well in advance newly adding load-bearing pillar is installed and newly add patten, pre-buriedly in patten should not be less than 20mm stone bolt and suspension column backing plate newly adding, reserve shearing resistance hole in new strutting base center;
Step 2: according to design drawing, at position exterior wall punching, the implantation chemical anchor bolts of the constructional column of former house masonry structure; Meanwhile, two Gen Xinjia load-bearing pillars offer anchor hole by former masonry structure floor height height correspondence wherein;
Step 3: when new strutting base concrete intensity reaches more than 70%, the two Gen Xinjia load-bearing pillars pasting wall are installed, make the hole on two Gen Xinjia load-bearing pillars corresponding with the chemical anchor bolts implanted in advance respectively, newly load-bearing pillar will be added and constructional column is fastenedly connected again by backing plate, nut, wherein connection hole opened in advance by backing plate, on backing plate, be welded to connect plate in advance, on backing plate, weld supporting plate in advance, carry out stiffening rib simultaneously and newly add welding of elevator beam and backing plate;
Step 4: newly add patten installs at other four and newly add load-bearing pillar, newly adds the lower weld shear key of load-bearing pillar, shear key is placed in shearing resistance hole, and fill with gap, real shearing resistance hole with concrete;
Step 5: newly add elevator beam newly adding load-bearing pillar connects, newly add elevator beam and adopt frictional high-strength bolts to be connected with junction plate, newly add elevator beam and be connected with supporting plate plain bolt;
Step 6: each newly adding between load-bearing pillar welds with steel tie-rod, reserved two first floor cell gate door openings on the side enclosed structure between first floor time ladder, and above each layer waits reserved two exterior windows on the side enclosed structure between ladder, for daylighting and ventilation;
Step 7: lift-mounting car in elevator shaft.
Beneficial effect:
When the most significant advantage of the present invention is to install additional elevator, less to the variation of former masonry structure, the daily life of former resident family is not affected during construction yet, between elevator shaft and marquis's ladder, the position, size, structure etc. of platform is subject to the impact of former housing plan layout and limits less, and the structural shape that elevator shaft adopts is comparatively flexible, can adopt the elevator shaft etc. of the elevator shaft of steel work or the elevator shaft of concrete structure or masonry structure.The present invention adopts the elevator shaft of steel work pattern, adopts chemical anchor bolts to connect with the connection of former masonry structure.The additional elevator of multi-storey building masonry structure unit gate-type changes the Way in of former cell gate, adopts and waits both sides enabling between ladder.Except the first floor, above each layer waits every layer of reserved two exterior window between ladder, ensures to wait the daylighting between ladder and ventilation.
Because the construction of existing multi-storey building additional elevator is simple, safe and reliable, meanwhile, increase the quality of life that elevator can improve resident, improve urban environment, increase the overall image of the appearance of the city, especially can solve an old man and disabled person's trip difficult problem.Along with residential lift is to the future development of simple and easy, safety, low price, can predicts, when economic condition is permitted, if this technology is applied, in existing Remodeling of multi-storied housing, set up elevator, significant economic benefit and social benefit will be had.
Accompanying drawing explanation
Fig. 1 is the additional elevator floor map of multi-story masonry housing unit gate-type;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is additional steel work elevator shaft and masonry structure external wall structure post connection layout;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is additional steel work elevator shaft basis way.
In figure, 1: elevator shaft; 2: wait between ladder; 3: former masonry structure exterior wall; 4: newly add bearing type post; 5: steel tie-rod; 6: constructional column; 7, elevator machine room; 8: newly add elevator beam; 9: backing plate; 10: junction plate; 11: supporting plate; 12: frictional high-strength bolts; 13: chemical anchor bolts; 14: nut; 15: plain bolt; 16: stiffening rib; 17: stone bolt; 18: newly add patten; 19: shearing resistance hole; 20: shear key; 21: suspension column backing plate; 22: first floor cell gate door opening.
Detailed description of the invention
A kind of multi-story masonry unit-door external elevator structure, see shown in Fig. 1 to 5, comprise former masonry structure, also comprise the additional elevator structure in cell gate entrance being arranged on former masonry structure, described additional elevator structure is for newly to add patten 18, newly add load-bearing pillar 4 and Xin Jia elevator beam 8 and form two Pin elevator frame than former masonry structure height one deck, wherein, the space that one Pin framework of adjacent former masonry structure is formed is for waiting between ladder 2, the space formed at an outmost Pin framework is elevator shaft 1, lift car is provided with in described elevator shaft 1, elevator shaft 1 arranges elevator machine room 7 in the layer exceeding former masonry structure, wherein, that is close to the setting of former masonry structure exterior wall 3 newly adds load-bearing pillar 4, it is connected by the constructional column 6 of chemical anchor bolts 13 with former masonry structure exterior wall 3, link position is in layering place of former masonry structure, described chemical anchor bolts 13 outer end is fastenedly connected by backing plate and nut 14, newly adds between load-bearing pillar 4 and carries out drawknot in layering place of former masonry structure by steel tie-rod 5, the described elevator beam 8 that newly adds is arranged on layering place of former masonry structure, its be close to newly adding between load-bearing pillar 4 that former masonry structure exterior wall 3 arranges and be fixedly connected with by junction plate 10.Wherein, newly add elevator beam 8 and be below supported with supporting plate 11, connected between the two by plain bolt 15, junction plate 10 and backing plate are welded to connect, and newly add elevator beam 8 and are connected by frictional high-strength bolts 12; Backing plate 9 is monoblock steel plate every layer of junction, and its thickness is not less than 20mm; Supporting plate 11 and backing plate are welded to connect, and chemical anchor bolts 13 are at least 10 every layer of junction, arrange in two separate ranks, and its length stretching into constructional column 6 should not be less than 200mm.Chemical anchor bolts 13 diameter is preferably φ 20, and described junction plate 10 is provided with stiffening rib 16, and described stiffening rib 16 is welded to connect, see Fig. 3 and Fig. 4 with backing plate.The described load-bearing pillar 4 that newly adds is for steel column, concrete column or masonry post.
Newly add in patten 18 and be embedded with stone bolt 17 and suspension column backing plate 21, reserve shearing resistance hole 19 at 18 centers, steel column basis.The diameter of stone bolt 17 should not be less than 20mm, see Fig. 5.
Above-mentioned multi-story masonry unit-door external elevator structure construction method, adopts following steps:
Step one: according to design drawing, elevator shaft 1 is set in periphery, former housing unit door entrance and waits the region of between ladder 2, prepare that the position well in advance newly adding load-bearing pillar 4 is installed and newly add patten 18, pre-buriedly in patten 18 should not be less than 20mm stone bolt 17 and suspension column backing plate 21 newly adding, reserve shearing resistance hole 19 at 18 centers, steel column basis;
Step 2: according to design drawing, at position exterior wall punching, the implantation chemical anchor bolts 13 of the constructional column 6 of former house masonry structure; Meanwhile, two Gen Xinjia load-bearing pillars 4 offer anchor hole by former masonry structure floor height height correspondence wherein;
Step 3: in time newly adding patten 18 concrete strength and reach more than 70%, the two Gen Xinjia load-bearing pillars 4 pasting wall are installed, make the hole on two Gen Xinjia load-bearing pillars 4 corresponding with the chemical anchor bolts 13 implanted in advance respectively, be fastenedly connected newly adding load-bearing pillar 4 with constructional column 6 by backing plate, nut 14 again, wherein connection hole opened in advance by backing plate, on backing plate, be welded to connect plate 10 in advance, on backing plate, weld supporting plate 11 in advance, carry out stiffening rib 16 simultaneously and newly add welding of elevator beam 8 and backing plate; The number of described connection hole is at least 10, arranges in two separate ranks.
Step 4: newly add patten 18 installs at other four and newly add load-bearing pillar 4, newly adds the lower weld shear key 20 of load-bearing pillar 4, shear key 20 is placed in shearing resistance hole 19, and fill with gap, real shearing resistance hole 19 with concrete;
Step 5: newly add elevator beam 8 newly adding load-bearing pillar 4 connects, newly add elevator beam 8 and adopt frictional high-strength bolts 12 to be connected with junction plate 10, newly add elevator beam 8 and be connected with supporting plate 11 plain bolt 15; The number of described frictional high-strength bolts 12 is at least 4, and model is M24.
Step 6: each newly adding between load-bearing pillar 4 welds with steel tie-rod 5, reserved two first floor cell gate door openings 22 on the side enclosed structure of waiting between ladder 2 at the first floor, reserved two exterior windows on the side enclosed structure that above each layer waits between ladder 2, for daylighting and ventilation;
Step 7: lift-mounting car in elevator shaft 1.
Be more than an exemplary embodiment of the present invention, specific embodiment of the invention is not limited thereto.
Claims (6)
1. a multi-story masonry unit-door external elevator structure, comprise former masonry structure, it is characterized in that: the additional elevator structure also comprising the cell gate entrance being arranged on former masonry structure, described additional elevator structure comprises and newly adds patten (18), newly add load-bearing pillar (4) and newly add the two Pin elevator frame of elevator beam (8) formation than former masonry structure height one deck, wherein, the space that one Pin framework of adjacent former masonry structure is formed is wait between ladder (2), the space formed at an outmost Pin framework is elevator shaft (1), described elevator shaft is provided with lift car in (1), elevator shaft (1) arranges elevator machine room (7) in the layer exceeding former masonry structure, wherein, that is close to that former masonry structure exterior wall (3) arranges newly adds load-bearing pillar (4), it is connected with the constructional column (6) of former masonry structure exterior wall (3) by chemical anchor bolts (13), link position is in layering place of former masonry structure, described chemical anchor bolts (13) outer end is fastenedly connected by backing plate (9) and nut (14), newly adds between load-bearing pillar (4) and carries out drawknot in layering place of former masonry structure by steel tie-rod (5), the described elevator beam (8) that newly adds is arranged on layering place of former masonry structure, be supported with supporting plate (11) below it, connected by plain bolt (15) between the two and the described elevator beam (8) that newly adds passes through junction plate (10) with newly adding of being close to that former masonry structure exterior wall (3) arranges between load-bearing pillar (4) and is fixedly connected with, described junction plate (10) is provided with stiffening rib (16), described stiffening rib (16) and backing plate (9) are welded to connect, describedly newly add that load-bearing pillar (4) is steel column, concrete column or masonry post.
2. multi-story masonry unit-door external elevator structure according to claim 1, it is characterized in that: described junction plate (10) and backing plate (9) are welded to connect, with newly add elevator beam (8) and be connected by frictional high-strength bolts (12), described supporting plate (11) and backing plate (9) are welded to connect.
3. multi-story masonry unit-door external elevator structure according to claim 1, is characterized in that: described backing plate (9) is monoblock steel plate every layer of junction, and its thickness is not less than 20mm.
4. multi-story masonry unit-door external elevator structure according to claim 1, it is characterized in that: described chemical anchor bolts (13) are at least 10 every layer of junction, arrange in two separate ranks, its length stretching into constructional column (6) is not less than 200mm.
5. multi-story masonry unit-door external elevator structure according to claim 1, it is characterized in that: described newly adding in patten (18) is embedded with stone bolt (17) and suspension column backing plate (21), reserve shearing resistance hole (19) newly adding patten (18) center.
6. according to the construction method of the arbitrary described multi-story masonry unit-door external elevator structure of claim 1-5, it is characterized in that: adopt following steps:
Step one: according to design drawing, the region of (2) between elevator shaft (1) and time ladder is set in periphery, former housing unit door entrance, prepare that the position well in advance newly adding load-bearing pillar (4) is installed and newly add patten (18), pre-buriedly in patten (18) should not be less than 20mm stone bolt (17) and suspension column backing plate (21) newly adding, reserve shearing resistance hole (19) newly adding patten (18) center;
Step 2: according to design drawing, in position exterior wall punching, implantation chemical anchor bolts (13) of the constructional column (6) of former house masonry structure; Meanwhile, two Gen Xinjia load-bearing pillars (4) offer anchor hole by former masonry structure floor height height correspondence wherein;
Step 3: in time newly adding patten (18) concrete strength and reach more than 70%, the two Gen Xinjia load-bearing pillars (4) pasting wall are installed, make the hole on two Gen Xinjia load-bearing pillars (4) corresponding with the chemical anchor bolts implanted in advance (13) respectively, again by backing plate (9), nut (14) is fastenedly connected newly adding load-bearing pillar (4) with constructional column (6), wherein connection hole opened in advance by backing plate (9), plate (10) is welded to connect in advance on backing plate (9), supporting plate (11) is welded in advance on backing plate (9), carry out stiffening rib (16) simultaneously and newly add welding of elevator beam (8) and backing plate (9),
Step 4: newly add the upper installation of patten (18) at other four and newly add load-bearing pillar (4), newly add the lower weld shear key (20) of load-bearing pillar (4), shear key (20) is placed in shearing resistance hole (19), and fills with real shearing resistance hole (19) gap with concrete;
Step 5: newly add elevator beam (8) newly adding the upper connection of load-bearing pillar (4), newly adding elevator beam (8) adopts frictional high-strength bolts (12) to be connected with junction plate (10), newly adds elevator beam (8) and is connected with supporting plate (11) plain bolt (15);
Step 6: each newly adding between load-bearing pillar (4) welds with steel tie-rod (5), reserved two first floor cell gate door openings (22) on the side enclosed structure of waiting (2) between ladder at the first floor, above each layer wait (2) between ladder side enclosed structure on reserved two exterior windows, for daylighting and ventilation;
Step 7: the interior lift-mounting car of elevator shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310127631.5A CN103243931B (en) | 2013-04-10 | 2013-04-10 | Multi-story masonry unit-door external elevator structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310127631.5A CN103243931B (en) | 2013-04-10 | 2013-04-10 | Multi-story masonry unit-door external elevator structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN103243931A CN103243931A (en) | 2013-08-14 |
| CN103243931B true CN103243931B (en) | 2015-09-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104196257B (en) * | 2014-07-24 | 2016-05-04 | 北京筑福国际工程技术有限责任公司 | The additional elevator structure of old cell unit reveal and construction method |
| CN105332519A (en) * | 2015-11-11 | 2016-02-17 | 北京筑福国际工程技术有限责任公司 | Added elevator structure using exterior wall cladding panels and its construction method |
| CN106088653B (en) * | 2016-07-27 | 2019-05-03 | 姚攀峰 | A kind of high ductility masonry reconstruction structure of addition type space constraint and construction method |
| CN108457370A (en) * | 2018-02-27 | 2018-08-28 | 同济大学 | Prefabricated assembled modularization self-supporting elevator-balcony system with connection vibration absorption unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2036515T1 (en) * | 1991-04-13 | 1993-06-01 | Diveg Deutsche Hotel-Investitions-Gesellschaft Mbh | BUILDING, ESPECIALLY A HIGH HOUSE. |
| BR9104576A (en) * | 1991-10-23 | 1993-06-22 | Oly Fischer Dos Santos | EXTERNAL FAST ASSEMBLY LIFT |
| DE20300662U1 (en) * | 2003-01-16 | 2003-04-10 | Bwh Construction Gmbh | Outdoor lift construction retrofitted onto stairway, has outdoor landings adjoining stairway and connected to single flight staircases and lift shaft |
| CN2628649Y (en) * | 2003-07-23 | 2004-07-28 | 程宗颢 | Storey adding structure and elevator mounting structure for multi-storey residence |
| CN2937350Y (en) * | 2006-07-07 | 2007-08-22 | 邓海燕 | Structure for rebuilding old house |
| CN203201171U (en) * | 2013-04-10 | 2013-09-18 | 北京筑福建设工程有限责任公司 | Unit door type multi-floor masonry residential building structure with additional elevator |
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Owner name: BEIJING BLESS BUILDING CO., LTD. Free format text: FORMER OWNER: BEIJING AEIDO INTERNATIONAL ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20150728 |
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Effective date of registration: 20181008 Address after: 041599 No. 1, two lane, North Jia Road, Dong Zhang village, Nan Jia town, Xiangfen County, Shanxi Province Patentee after: Li Wenkang Address before: 102600 3 floor, 2 building, No. 4 Daxing District Garden Road, Beijing, 1 unit 317 Patentee before: BEIJING ZHITOUJIA INTELLECTUAL PROPERTY OPERATION CO.,LTD. Effective date of registration: 20181008 Address after: 102600 3 floor, 2 building, No. 4 Daxing District Garden Road, Beijing, 1 unit 317 Patentee after: BEIJING ZHITOUJIA INTELLECTUAL PROPERTY OPERATION CO.,LTD. Address before: 100043 Beijing Shijingshan District 69 Yang Zhen Street, No. 1 aseismatic Garden Patentee before: BEIJING ZHUFU BUILDING AFFAIRS CO.,LTD. |
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Address after: 225300 room 104, Pearl Road, Yongan Town, Yongan, Taizhou, Jiangsu Patentee after: Li Wenkang Address before: 041599 No. 1, two lane, North Jia Road, Dong Zhang village, Nan Jia town, Xiangfen County, Shanxi Province Patentee before: Li Wenkang |
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Effective date of registration: 20190325 Address after: 419599 First Floor of the Old Office of the Party School of Xianfeng Road County Committee, Chenxi County, Huaihua City, Hunan Province Patentee after: Hunan Rixin Construction Engineering Co.,Ltd. Address before: 225300 room 104, Pearl Road, Yongan Town, Yongan, Taizhou, Jiangsu Patentee before: Li Wenkang |
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