CN102852070A - Clay court and construction method thereof - Google Patents
Clay court and construction method thereof Download PDFInfo
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- CN102852070A CN102852070A CN201210368529XA CN201210368529A CN102852070A CN 102852070 A CN102852070 A CN 102852070A CN 201210368529X A CN201210368529X A CN 201210368529XA CN 201210368529 A CN201210368529 A CN 201210368529A CN 102852070 A CN102852070 A CN 102852070A
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Abstract
The invention relates to the clay court construction filed and particularly relates to a clay court and a construction method thereof. The clay court is characterized by comprising a clay fragment layer and a clay fine sand surface layer which are paved from bottom to top on a court foundation, wherein the clay fragment layer is formed by bonding clay fragments and elastic particles through adhesives; the court foundation is any of a hard court foundation, a clay foundation, an elastic cushion or a semi-elastic cushion; the clay fragments and elastic particles are prepared according to a weight ratio of (10:4) to (10:0), and the adhesives and a clay fragment and elastic particle mixture are prepared according to a weight ratio of 1:(7-15). The clay court and the construction method thereof have the advantages that the structure is simple, and the permeable performance and the damping property are good; and the clay court is simple to construct and maintain, low in maintenance cost, good in anti-freezing and anti-cracking performances and long in service.
Description
Technical field
The present invention relates to the tennis court construction applications, particularly a kind of clay court and construction method thereof.
Background technology
The construction method in conventional traditional laterite court, existing market is: first in the ground grooving, then take turns doing from lower to upper basal layer, stabilized zone, laterite bottom, laterite surface layer and topping, the erecting bed ground wire; Basal layer is made of hard rock and sandstone, and stabilized zone is made of slag ash, cinder and quicklime, and the laterite bottom is made of clay, machine sieve sand, brick powder and pulverizing crude salt, and the laterite surface layer is made of clay, brick powder Machine-made Sand, and topping is sand.Through construction and market reaction for many years, find that traditional clay court exists following problem and shortcoming.
1, the basis requires highly, and traditional clay court can't be built on existing basis, place, must build at finished plain soil layer.
2, complex structure, permeability performance is inadequate, easy bursting by freezing in winter.Traditional structure is generally more than five layers, for the function that makes moisture-keeping system, drainage system accomplished, need to overlap nearly 20 layers, structure level number too much causes rain penetration slower, and the water that infiltrates bottom can not all be discharged the tennis court system thoroughly by drainage system, therefore place bottom pipeline easily breaks or stops up and cause place bursting by freezing, winter to be difficult for use in the winter time the time.
3. the professional performance of material is inadequate, and traditional material therefor is: gravel, hard rock, slag, cinder, clay, sand, rendzinas, brick powder.
4. construction is complicated, the time is long, and a slice standard place needs about 15 days.
5. maintenance is complicated, cost is high, frequent, need at ordinary times frequent watering, put down, setting-out, pipeline purging, and the rainy day need smooth, roll extrusion later, must grade just can use to the place finish-drying, because surface layer and bottom can't be fixed, regular maintenance must be replenished with a large amount of surface materials and be run off.
6. sports safety hidden danger, safeguarding not in placely will affect the levelling of the land degree, causes the course of action modified line, more can cause sportsman's knee joint sprain of ankle joint.
Life-span short since material therefor specialty performance not, complex structure, cause that stationarity is inadequate between each deck, need to be from the basis to surface layer 2-3 overhaul once.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is low that purpose of the present invention provides a kind of basis to require; Simple in structure, permeability performance is good; Shock absorbing capability is good; Construction is simple; Maintenance is simple and maintenance cost is very low; Freeze proof anti crack performance is good; Clay court and construction method thereof that life-span is long.
In order to achieve the above object, the technical scheme that the present invention takes is: a kind of clay court is characterized in that: comprise the laterite fragment bottom and the laterite fine sand surface layer that are laid on successively from lower to upper on the basis, place.
Basis, described place is any hard place basis or grey earth foundation or cushion or half cushion.
Described laterite fragment bottom is formed by adhesive bond by laterite fragment and elastic granule, and wherein laterite fragment and elastic granule are pressed the 10:4--10:0 weight proportion, and cementing agent and laterite fragment elastic granule mixture are pressed the 1:7--15 weight proportion.
Described laterite fragment is that lava fragment or potter's clay are fired any one in fragment or red sand fragment or the color sand fragment, and being crushed to grain diameter by rock pulverizer is the 3-12 millimeter.
Described cold-resistant high temperature resistance high polymer elastic particle is any one in PE polyethylene particle or PU polyurethane particles or the rubber grain, and the elastic granule particle diameter is the 0.5-6 millimeter.
Described cementing agent is one-component glue or two component glue.
Described laterite fine sand surface layer fine sand is that lava fine sand or potter's clay are fired fine sand or both mixtures, by rock pulverizer lava, potter's clay is fired fragment and is crushed to the laterite fine sand particle that particle diameter is the 0.2-1.5 millimeter.
The thickness of described laterite fragment bottom is 2-10 centimetre; The thickness of laterite fine sand surface layer is 0.1-0.3 centimetre.
A kind of construction method of clay court: on basis, existing place, carry out successively from lower to upper the laying construction of laterite fragment bottom and laterite fine sand surface layer, erecting bed ground wire after laying is finished.
The construction technology of described laterite fragment bottom is:
1, based process: fill or pickling processes after the basis, place cleaned out;
2, laterite fragment, elastic granule mixture, cementing agent are added mixer by weight ratio, stir.
3, the laterite fragment, elastic granule, the binder mixtures that stir are poured into paver, pave by 2-10 centimetre of thickness on the ground foundation on the scene.
In the described based process step, when being any hard place basis, the basis, place need to carry out pickling processes.
The laying process of described laterite fine sand surface layer is:
1, with guiding ruler laterite fragment bottom is carried out roughness measurement, the part that does not meet the planeness requirement is filled.
2, after laterite fragment bottom reaches planeness, the laterite fine sand is poured into the husky machine of notes, annotate sand, then strike off with scraping rake.
3, strike off after, laterite fine sand layer is carried out atomizing watering.
Described filling is to fill with cementing agent and the laterite fragment elastic granule mixture material by the 1:7--15 weight proportion, needs before filling filling part coating cementing agent, consumption of binder 0.2KG/ ㎡.
Beneficial effect of the present invention is:
1, the basis requires lowly, can build on any other bases such as hard place basis, dirt, elastic floor mat, half elastic floor mat.
2. simple in structure, permeability performance is good.Bottom is formed via the special process bonding by special-purpose laterite fragment, elastic granule, guarantees the support of draining compactness and place, and surface layer is laid via special process by special-purpose laterite fine sand, combines closely with bottom.Clay court of the present invention itself has water permeability, need not to lay draining and moisture-keeping system at basal layer, removes pipeline breaking in winter or obstruction from and causes the place infringement.
3. the professional performance of material is high, and material therefor is: lava fragment, potter's clay are fired fragment, red sand fragment, color sand fragment, elastic granule, lava fine sand, potter's clay is fired the materials such as fine sand, cementing agent makes the exercise performance in place high.Elastic granule in the above material, cementing agent are by national test section gate test.
4. shock absorbing capability is good, and the laterite fragment in the laterite fragment bottom and cold-resistant high temperature resistance high polymer elastic particle when mixing, can obtain the shock absorbing capability of different stage by the 10:4--10:0 Different Weight.Laterite fragment elastic granule mixture 10:0 weight ratio (being pure laterite fragment); shock absorbing capability is minimum; laterite fragment elastic granule mixture 10:4 weight ratio; shock absorbing capability is the highest; in weight ratio 10:0--10:4 section; the ground, different impact force absorbent properties clay court that forms can be divided into training type, match type, comfort type, the safety type of knowing together in the industry.
5. construction is simple, the time is short, and a slice standard place needed about 8-10 days.
6. maintenance is simple, cost is low, need not regular watering, puts down, and mends soil, uses front a small amount of watering to get final product, and the rainy day, half an hour, surface layer can use later.
7. sportsman's technology is brought into play comprehensively, and sports safety obtains effective guarantee, and surface layer use to solidify smooth technology, has effectively avoided the place injustice to cause the situation of course of action modified line, and provides omnibearing protection to the sportsman.
Life-span long, the structure consolidation, application life is more than 10 years.
Description of drawings
The present invention is further described below in conjunction with the embodiment accompanying drawing:
Fig. 1 is this clay court example structure schematic diagram.
Among the figure: 1, basis, place; 2, laterite fragment; 3, laterite fine sand.
The specific embodiment
Shown in this clay court structural representation of Fig. 1, comprise the laterite fragment bottom and the laterite fine sand surface layer that are laid on successively from lower to upper on the basis, place; Wherein the basis, place is any hard place basis or grey earth foundation or elastic floor mat or half elastic floor mat.
Laterite fragment bottom by laterite fragment and elastic granule by weight the 10:0--10:4 mixture, cementing agent forms by weight the 1:7--15 bonding with mixture again, the laterite fragment is to fire sheet, red sand, color sand by lava, potter's clay to pulverize through rock pulverizer and form, laterite debris particle particle diameter is the 3-12 millimeter, the elastic granule particle diameter is the 0.5--6 millimeter, and the thickness of laterite fragment bottom is 2-10 centimetre.
Elastic granule is cold-resistant high temperature resistance high polymer elastic particle; comprise PE polyethylene particle or PU polyurethane particles or rubber grain; under Alpine-cold condition; can be because of the mistake of temperature not low and sclerosis occurs; under hot conditions, can not occur because of excess Temperature softening; elastic granule is subjected to the extreme difference variations in temperature and deformation is little, and cementing agent is one-component glue or two component glue, specifically selects various functions which kind of glue requires to reach take ground, clay court as foundation.
The laterite fine sand of laterite fine sand surface layer is that lava fine sand or potter's clay are fired fine sand or both mixtures, firing sheet by lava, potter's clay forms through the rock pulverizer pulverizing, laterite fine sand grain diameter is the 0.2-1.5 millimeter, and the thickness of laterite fine sand surface layer is 0.1-0.3 centimetre.
Embodiment 2
The construction method of the clay court described in above-described embodiment is: carry out successively from lower to upper the laying construction of laterite fragment bottom and laterite fine sand surface layer on basis, existing place, erecting bed ground wire after laying is finished.
Take to 1 ㎡ hard place basis clay court laying construction as example, the construction technology of laterite fragment bottom is:
1, based process: the cement concrete hard place basis to 1 ㎡ is cleared up, and comprises foreign material, oil stain, fills processing, carries out pickling processes after cleaning out.
2, lava being ground into particle diameter through rock pulverizer is 10 millimeters laterite fragment, with 28KG laterite fragment, 2.8KG cementing agent by weight ratio 10:1 add mixer, stir.
3, the laterite fragment, the binder mixtures that stir are poured into paver, and pave on the rigid basis of cement concrete by paver, pave by 2 centimetres of thickness, and use the scraper screeding and compaction.
After the construction of laterite fragment bottom is finished, carry out the construction of laterite fine sand surface layer, the laying process of laterite fine sand surface layer is:
1, with 1 meter long guiding ruler laterite fragment bottom is carried out roughness measurement, the part that does not meet the planeness requirement is filled; Filling is to fill with 1KG cementing agent and the 7KG laterite fragment elastic granule mixture material by the 1:7 weight proportion, will be to required part coating cementing agent, the consumption of binder 0.2KG/ ㎡ of filling before filling.
2, after laterite fragment bottom reached planeness, it was 1.5 millimeters laterite fine sand that lava is ground into particle diameter through rock pulverizer, and the laterite fine sand is poured into the husky machine of small-sized notes, annotated sand, and laterite fine sand thickness is 0.1 centimetre, then struck off with scraping to harrow.
3, strike off after, laterite fine sand layer is carried out atomizing watering, the clay court construction of 1 ㎡ is finished.
What the laterite tennis of building in this way can make ball obtains at a slow speed by a small margin lifting,
And permeability performance is good, and rainwater stops water being discharged bottom fully in rear 5 minutes, and this tennis court is fit to daily workout, belongs to the training type place.
Embodiment 3
The present embodiment take to 1 ㎡ ash earth foundation field construction as example, the construction technology of laterite fragment bottom is:
1, based process: the grey earth foundation to 1 ㎡ is cleared up, and comprises foreign material, oil stain, fills processing.
2, potter's clay being fired sheet, to be ground into particle diameter through rock pulverizer be 8 millimeters laterite fragment, with 70KG laterite fragment and 10.5KG particle diameter be 0.5 millimeter elastic granule by weight 10:1.5 mixes, then with by weight ratio 1:15 adding of 5.5KG cementing agent and above mixture mixer, stir, wherein elastic granule is the PE polyethylene particle.
3, the mixture of the laterite fragment, elastic granule and the cementing agent that stir is by weight evenly poured into paver, and pave on grey earth foundation by paver, pave by 5 centimetres of thickness, and use the scraper screeding and compaction.
After the construction of laterite fragment bottom is finished, carry out the construction of laterite fine sand surface layer, the laying process of laterite fine sand surface layer is:
1, with 1 meter long guiding ruler laterite fragment bottom is carried out roughness measurement, the part that does not meet the planeness requirement is filled; Filling is to fill with cementing agent and the laterite fragment elastic granule mixture material by the 1:9 weight proportion, will be to required part coating cementing agent, the consumption of binder 0.2KG/ ㎡ of filling before filling.
2, after laterite fragment bottom reached planeness, potter's clay is fired sheet, and to be ground into particle diameter through rock pulverizer be 0.8 millimeter laterite fine sand, and the laterite fine sand is poured into the husky machine of small-sized notes, annotates sand, and laterite fine sand thickness is 0.2 centimetre, then strikes off with scraping to harrow.
3, strike off after, laterite fine sand layer is carried out atomizing watering, the clay court construction of 1 ㎡ is finished.
The laterite tennis of building in this way can reach the requirement of international sports event level, and the impact absorption in this court has namely satisfied the racer requirement to ball speed has been satisfied again in the requirement of comfort level, belongs to the match type place.
Embodiment 4
The present embodiment is to construct as example to 1 a ㎡ elastic ground, and the construction technology of laterite fragment bottom is:
1, based process: the basis, place is cushion, at first mixes forming cushion than 6:1 with the 2KG weight of binder with the 12KG elastic granule, and the scene 1 ㎡ cushion that paves is cleared up the cushion basis of 1 ㎡, comprises foreign material, oil stain processing.
2, red sand being ground into particle diameter through rock pulverizer is 5 millimeters laterite fragment, with 140KG laterite fragment and 28KG particle diameter be 3 millimeters elastic granule by weight 10:2 mixes, then with by weight ratio 1:9 adding of 18.5KG cementing agent and above mixture mixer, stir, wherein elastic granule is rubber grain.
3, the mixture of the laterite fragment, elastic granule and the cementing agent that stir is by weight evenly poured into paver, and pave on cushion by paver, pave by 10 centimetres of thickness, and use the scraper screeding and compaction.
After the construction of laterite fragment bottom is finished, carry out the construction of laterite fine sand surface layer, the laying process of laterite fine sand surface layer is:
1, with 1 meter long guiding ruler laterite fragment bottom is carried out roughness measurement, the part that does not meet the planeness requirement is filled; Filling is to fill with cementing agent and the laterite fragment elastic granule mixture material by the 1:15 weight proportion, will be to required part coating cementing agent, the consumption of binder 0.2KG/ ㎡ of filling before filling.
2, Red Sandstone being ground into particle diameter through rock pulverizer is 0.4 millimeter laterite fine sand, and the laterite fine sand is poured into the husky machine of small-sized notes, annotates sand, and laterite fine sand thickness is 0.3 centimetre, then strikes off with scraping to harrow.
3, strike off after, laterite fine sand layer is carried out atomizing watering, the clay court construction of 1 ㎡ is finished.
The elasticity of the laterite tennis of building in this way is that body-building recreation is only, and ball speed requires so not harsh slowly to amateurish body-building recreation person playing skill, and the impact absorption in court makes sporter's ankle arthrosis indefatigability, belongs to the comfort type place.
Embodiment 5
The present embodiment is to construct as example to 1 ㎡, half elastic ground, and the construction technology of laterite fragment bottom is:
1, based process: the basis, place is half cushion, at first the 8KG elastic granule is mixed by weight 1:1 with 8KG laterite fragment, and then mixes formation half cushion with elastic granule laterite chips mixture by weight 1:7 with the 2.3KG cementing agent.Scene 1 ㎡, half cushion that paves is cleared up the cushion basis of 1 ㎡, comprises foreign material, oil stain, fills processing.
2, color sand being ground into particle diameter through rock pulverizer is 3 millimeters laterite fragment, with 112KG laterite fragment and 45KG particle diameter be 6 millimeters elastic granule by weight 10:4 mixes, then with by weight ratio 1:7 adding of 22.5KG cementing agent and above mixture mixer, stir, wherein above-mentioned elastic granule is the PU polyurethane particles.
3, the mixture of the laterite fragment, elastic granule and the cementing agent that stir is by weight evenly poured into paver, and pave on grey earth foundation by paver, pave by 8 centimetres of thickness, and use the scraper screeding and compaction.
After the construction of laterite fragment bottom is finished, carry out the construction of laterite fine sand surface layer, the laying process of laterite fine sand surface layer is:
1, with 1 meter long guiding ruler laterite fragment bottom is carried out roughness measurement, the part that does not meet the planeness requirement is filled.
2, color sand being ground into particle diameter through rock pulverizer is 0.2 millimeter laterite fine sand, and the laterite fine sand is poured into the husky machine of small-sized notes, annotates sand, and laterite fine sand thickness is 0.25 centimetre, then strikes off with scraping to harrow.
3, strike off after, laterite fine sand layer is carried out atomizing watering, the clay court construction of 1 ㎡ is finished.
The laterite tennis safety type of building in this way is the highest, and the elastic granule proportion of place bottom is high, and the place pliability is large, is middle-aged and old sporters' desirable place, and the elderly's sports safety has obtained guarantee in this place, belongs to the safety type place.
Claims (9)
1. clay court, it is characterized in that: comprise the laterite fragment bottom and the laterite fine sand surface layer that are laid on successively from lower to upper on the basis, place, wherein laterite fragment bottom is formed by adhesive bond by laterite fragment and elastic granule.
2. a kind of clay court according to claim 1 is characterized in that: basis, described place is any hard place basis or grey earth foundation or cushion or half cushion.
3. a kind of clay court according to claim 1, it is characterized in that: described laterite fragment and elastic granule are pressed the 10:4--10:0 weight proportion, and cementing agent and laterite fragment elastic granule mixture are pressed the 1:7--15 weight proportion.
4. a kind of clay court according to claim 3, it is characterized in that: described laterite fragment is that lava fragment or potter's clay are fired any one in fragment or red sand fragment or the color sand fragment, and being crushed to grain diameter by rock pulverizer is the 3-12 millimeter; Described elastic granule particle diameter is the 0.5-6 millimeter; Described cementing agent is one-component glue or two component glue.
5. a kind of clay court according to claim 1, it is characterized in that: described laterite fine sand surface layer fine sand is that lava fine sand or potter's clay are fired fine sand or both mixtures, by rock pulverizer lava, potter's clay is fired fragment and is crushed to the laterite fine sand particle that particle diameter is the 0.2-1.5 millimeter.
6. a kind of clay court according to claim 1, it is characterized in that: the thickness of described laterite fragment bottom is 2-10 centimetre; The thickness of laterite fine sand surface layer is 0.1-0.3 centimetre.
7. the construction method of a clay court carries out the laying construction of laterite fragment bottom and laterite fine sand surface layer from lower to upper successively on basis, existing place, lay finish after the erecting bed ground wire, wherein the construction technology of laterite fragment bottom is:
1), based process: fill or pickling processes after the basis, place cleaned out;
2), laterite fragment, elastic granule mixture and cementing agent are added mixer by weight ratio, stir;
3), the laterite fragment, elastic granule, the binder mixtures that stir are poured into paver, pave by 2-10 centimetre of thickness on the ground foundation on the scene.
8. the construction method of a kind of clay court according to claim 7, it is characterized in that: the laying process of described laterite fine sand surface layer is:
1) with guiding ruler laterite fragment bottom is carried out roughness measurement, the part that does not meet the planeness requirement is filled;
2), after laterite fragment bottom reaches planeness, the laterite fine sand poured into annotate husky machine, annotate sand, then strike off with scraping to harrow;
3), strike off after, laterite fine sand layer is carried out atomizing watering.
9. the construction method of a kind of clay court according to claim 8; it is characterized in that: described filling is to fill with cementing agent and the laterite fragment elastic granule mixture material by the 1:7--15 weight proportion; need before filling filling part coating cementing agent, consumption of binder 0.2KG/ ㎡.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368529.XA CN102852070B (en) | 2012-09-28 | 2012-09-28 | Construction method of clay court |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368529.XA CN102852070B (en) | 2012-09-28 | 2012-09-28 | Construction method of clay court |
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| CN102852070A true CN102852070A (en) | 2013-01-02 |
| CN102852070B CN102852070B (en) | 2015-01-07 |
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| CN201210368529.XA Expired - Fee Related CN102852070B (en) | 2012-09-28 | 2012-09-28 | Construction method of clay court |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646932A (en) * | 2018-12-18 | 2019-04-19 | 赵莹 | A kind of production method of the permanent line in laterite athletic ground |
| CN113149532A (en) * | 2021-05-10 | 2021-07-23 | 孔明越 | Laterite composite material |
| CN115058940A (en) * | 2022-05-25 | 2022-09-16 | 深圳市南方鸿达实业有限公司 | Construction method of long-acting moisture-preserving type laterite sports ground |
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| US4341836A (en) * | 1978-06-15 | 1982-07-27 | Heinz Becker | Surfacing for sports areas, more particularly tennis courts |
| JPH0339504A (en) * | 1989-07-07 | 1991-02-20 | Ube Ind Ltd | All-weather elastic pavement material |
| JPH03103505A (en) * | 1989-09-14 | 1991-04-30 | Onuki Fumio | Powder material composition for surface layer of athletic ground and manufacture and arrangement method thereof |
| CN1370890A (en) * | 2001-02-20 | 2002-09-25 | 庄裕生 | Environment protecting sports ground |
| CN101440595A (en) * | 2008-12-16 | 2009-05-27 | 孔明越 | Method for constructing red clay court |
| CN203007772U (en) * | 2012-09-28 | 2013-06-19 | 陕西速朗运动设施有限公司 | Red clay tennis court |
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2012
- 2012-09-28 CN CN201210368529.XA patent/CN102852070B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341836A (en) * | 1978-06-15 | 1982-07-27 | Heinz Becker | Surfacing for sports areas, more particularly tennis courts |
| JPH0339504A (en) * | 1989-07-07 | 1991-02-20 | Ube Ind Ltd | All-weather elastic pavement material |
| JPH03103505A (en) * | 1989-09-14 | 1991-04-30 | Onuki Fumio | Powder material composition for surface layer of athletic ground and manufacture and arrangement method thereof |
| CN1370890A (en) * | 2001-02-20 | 2002-09-25 | 庄裕生 | Environment protecting sports ground |
| CN101440595A (en) * | 2008-12-16 | 2009-05-27 | 孔明越 | Method for constructing red clay court |
| CN203007772U (en) * | 2012-09-28 | 2013-06-19 | 陕西速朗运动设施有限公司 | Red clay tennis court |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646932A (en) * | 2018-12-18 | 2019-04-19 | 赵莹 | A kind of production method of the permanent line in laterite athletic ground |
| CN113149532A (en) * | 2021-05-10 | 2021-07-23 | 孔明越 | Laterite composite material |
| CN115058940A (en) * | 2022-05-25 | 2022-09-16 | 深圳市南方鸿达实业有限公司 | Construction method of long-acting moisture-preserving type laterite sports ground |
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| CN102852070B (en) | 2015-01-07 |
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Effective date of registration: 20170424 Address after: 710043 Shaanxi City, Xi'an City Park North Road, No. thirty-five, building 22, No. 2, No. 15 Patentee after: Zhu Qing Address before: 710054 Shaanxi New District, Xi'an city high tech Zone Industrial Park, new town, building No. 1 Patentee before: Shaanxi Sulang Sports Facilities Co., Ltd. |
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Effective date of registration: 20180927 Address after: 710054 Xi'an, Shaanxi, Beilin District, 1 Tai Yi Road No. 1, Li Jing Court 1 Patentee after: Xi'an speed sports Polytron Technologies Inc Address before: 710043, 2 Gate 15, thirty-five building 22, Park Road, Xincheng District, Xi'an, Shaanxi. Patentee before: Zhu Qing |
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| 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: 20150107 Termination date: 20200928 |