CN1891779A - Artificial snow and artificial ski field - Google Patents
Artificial snow and artificial ski field Download PDFInfo
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- CN1891779A CN1891779A CN 200510080413 CN200510080413A CN1891779A CN 1891779 A CN1891779 A CN 1891779A CN 200510080413 CN200510080413 CN 200510080413 CN 200510080413 A CN200510080413 A CN 200510080413A CN 1891779 A CN1891779 A CN 1891779A
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Abstract
The invention relates to man-made snow and skiing place. The man-made snow is made up of resin granule and solid lubrication prescription combination whose constituent parts by weight are as follows: 40-50 portions of paraffin, 15-25 portions of polyvinyl ester, or polypropylene ester, or polyurethane granule, and 15-30 portions of talc. And the man-made skiing place includes snow and fiber layers. The advantages of the invention are that it can not be limited by temperature and season, and not need water and refrigerant agent; the cost is low; and it can be designed according the actual demand to satisfy different people's demands.
Description
Technical field
The present invention relates to a kind of snowmaking and artificial ski field, particularly a kind of temperature and season limit and can reusable environment-friendly type snowmaking of not being subjected to, and be not subjected to the artificial ski field of place restriction.
Background technology
Along with the rise of winter sports, natural skifield appears at all over the world with swift and violent growth momentum in recent years.But natural skifield is because take up an area of big, season and factor such as cost is generally built the outer suburbs in, and only in winter, the temperature sub-zero zero of cold, snow and snow deposit lands cumulative thickness when acquiring a certain degree, natural skifield could be for using, this many condition restriction the popularizing and carry out of this motion.For this reason, many countries have begun the R﹠D work of snowmaking and artificial ski field, and obtain certain progress, for example make the snowmaking of snow technology for the main raw material utilization with water, it can substitute or improve the performance and the quality of natural snow, but shortcoming is that water current consumption is very big, cost is high and the same warm season of being bullied with natural snow is waited restriction, form the situation about promptly changing of landing afterwards even also often occur snowmaking in the winter time, not only waste a large amount of resources, also cause the expensive operation of present skifield, also influenced popularizing of skiing to a certain extent; Also having a kind of technology is the plastics grass skating, and the artificial ski field of forming by this grass skating, ski slides similar skiing in the above, but resistance is bigger, and the physical and chemical performance gap of grass skating and the skifield be made up of grass skating itself and natural snow and snow pack thereof is very far away, is difficult to provide skiing sensation completely and effect; In addition, also useful silica gel is made snowmaking and artificial snow pack, but this snowmaking meets water and expand immediately, can't drop into commercial the use basically.
Above-mentioned artificial snow pack, no matter be the snow pack that artificial cooling is made snow, or grass skating snow pack and silica gel snowmaking snow pack, the same with natural snow pack, have and take up an area of big, high, the tangible season of cost and need certain envrionment conditions etc. to be subjected to the shortcoming of many-sided condition restriction, therefore, possess weather resisteant, low cost, be not subjected to the snowmaking and the artificial ski field of the real meaning that temperature condition restriction, indoor and outdoor all be suitable for, saying in a way, still is a blank at present.
Summary of the invention
The object of the present invention is to provide and a kind ofly not be subjected to temperature and season limit, need not water and refrigeration agent, manufacturing cost and with low cost, indoor and outdoor all can snowmaking and artificial ski field, its physical and chemical performance of the snow pack of this snowmaking and composition thereof is near natural snow and natural snow pack, and this artificial ski field can and be built according to the actual needs design, satisfies the needs of different crowd.
The invention provides a kind of snowmaking, be made up of solid lubrication prescription composition and resin particle, wherein, the component of described solid lubrication prescription composition comprises: the polyvinyl ester of the paraffin of 40-50 weight part and 15-25 weight part or polypropylene ester or polyurethane particles.
During snowmaking of the present invention is formed, solid lubrication prescription composition can produce cementability at a certain temperature, the hardening of self can luming, and resin particle has good flowability, the combination of the two is effectively disperseed lubrication prescription, the interaction of the two can increase " snow particle " free-running property under any temperature environment, so the portfolio ratio of two kinds of materials does not have strict the qualification in this snowmaking, as long as the solid lubrication prescription can make and have certain connectivity between the resin particle mutually, when the dispersiveness of the concrete ratio visual formed " snow " between the two is used for the skifield in other words the needs of the relative friction forces in place are determined that the consumption of solid lubrication prescription can be the 5%-95% of snow weight generally speaking.
Also can further comprise 10-20 weight part stearic acid list acid anhydride ester in the component of solid lubrication prescription composition, the oxidic polyethylene of 15-25 weight part, the calcium stearate of 5-15 weight part, the talcum powder of 15-30 weight part.
Described resin particle is a polyvinyl chloride particles, or claims plastic grain.
Snowmaking with above-mentioned composition need not water and any refrigeration agent, is not subjected to temperature and season limit, and has the external appearance characteristic and the sense of touch of natural snow, can substitute the snow deposit laying that natural snow or artificial cooling snow is used for the skifield.Utilize snowmaking of the present invention to build the skifield, not only control the snow pack scale easily, and adjust component ratio can control snow bounding force and and the snow tool between frictional force, suitable sliding performance is provided.
Above-mentioned snowmaking can adopt the material that in advance each component is mixed directly to be laid to snow deposit when being used to lay snow pack, and the particle diameter of material should be at 0.1-2mm; Also can when laying, earlier each component of solid lubrication prescription be mixed the back and form bottom, then with resin particle as topping laying on bottom, require grain diameter 0.1-2mm this moment as surface layer, the laying depth of bottom is thick in theory more good more, be at least 2mm, but be subjected to the influence of cost and other factors, generally about 1cm, get final product.
The present invention also provides a kind of artificial ski field of novel structure practicality, and it is made of artificial snow layer and layer of fibers at least,, layer of fibers is set below the artificial snow layer that is.The composition of artificial snow layer and generation type front illustrate, solid lubrication prescription component during this artificial snow layer is formed also can directly adopt lubrication prescription materials such as paraffin, polyvinyl ester particle, polypropylene ester particle, polyurethane particles or talcum powder, and perhaps these lubrication prescription and resin particle mixes; Described fibrolaminar effect provides guarantor in the process of sliding and avenges stablely, avoids snow deposit a large amount of run off and because of action in sliding with firmly cause the tangible thin and thick of snow deposit irregular, this snowmaking is coating or interspersed being covered on the layer of fibers directly in sliding.The frictional force that the snow tool slides on the snow deposit face can be regulated by the usage quantity of adjusting resin particle; for example, increase the usage quantity of plastic grain, when laying snow deposit with the mixture that forms; plastic grain can make the solid lubrication prescription fully be disperseed; the snow deposit top layer has more plastic grain, perhaps, and when layering is laid; the certain thickness of the high formation of plastic grain laying density; the snow tool slides fast by the scrolling realization of plastic grain when the snow face slides, the frictional force reduction between snow tool and the snow face.
Fibrolaminar material can be polyethylene, polypropylene, nylon or wherein at least two kinds mixing, can directly use the field material of artificial turf.The preferred fiber (for example being vertically or the certain angle distribution with ground) that adopts the loose distribution of hardness higher fiber, especially all size makes holding that it had avenge stable better effects if.
Artificial ski field of the present invention structurally can determine that for example, above-mentioned layer of fibers and snow deposit are laid in ground on the scene according to use crowd's characteristics and demand, can allow the tyro experience the sensation of skiing and happy fully.
In the artificial ski field structure of the present invention, also elastic layer can be set below the layer of fibers, basal layer be set below the elastic layer.The material that elastic layer adopts is urethane (for example elastic polyurethane), rubber (for example natural rubber or asynthetic rubber), foaming PVC (polyvinyl chloride) or expanded plastic, its act as increase elasticity and reduce the slider when for example big revolution or flight part because skidding of producing of plane hardness, thereby guarantee glider's quality of movement and personnel's safety, so, ground, visual field purposes needs, elastic layer can adopt more soft material, for example airflow layer, water-filling layer, even unsettled steel mesh or wireline etc.; And the material that basal layer can adopt is concrete, plastics, pitch, concrete, timber, metal or its arbitrary combination, can directly be the sand layer also.
In order to reach skiing effect more true to nature, and according to residing environment with at crowd different, artificial ski field structure optimization of the present invention order below layer of fibers comprises skeleton, elastic layer and basal layer, can directly lay between each layer, bond, binding, hot weld or the mode of binding connect, and snowmaking is laid or is sprinkling upon on the layer of fibers of the superiors, also is filled with snowmaking between every fiber.
Each layer effect is as follows in the above-mentioned skifield of the present invention structure: basal layer can make each layer above it that solid more stable base is arranged; Elastic layer can make the skifield have certain elastic buffer effect, the time is unlikely to feel hard in skiing, or is unlikely to damage health when falling down; Casing ply plays the effect of support, maintenance, stable fibers layer and snowmaking (layer); Fibrolaminar fiber vertical joint is among the post crack of casing ply, itself and skeleton play the snowmaking particulate effect (it is stable to protect snow) of supporting simultaneously, form stable guarantor's snow deposit face, make the slider turn round or brake when stopping sliding, the snow deposit face that is unlikely to that the snowmaking particle is thrown out of and forms gage distortion, or drained in the lower floor, can prevent the loss that snowmaking causes because of bounding force is little simultaneously; Artificial snow layer is made up of the plastic grain and the lubrication prescription of certain granules degree size, and its surface has certain slipperiness, is sprinkling upon the upper layer that has formed artificial snow pack on the layer of fibers, the slider is slided feel the sensation the same with the skiing of natural snow pack in the above.
Skeleton wherein is as supporting structure, the material that can adopt is that heat is melted urethane (for example high-strength hot melts urethane), polyethylene, polypropylene, nylon plastic, engineering plastics (ABS plastic) etc., perhaps its arbitrary combination, usually can be columnar structure, so that layer of fibers can vertical joint (in gap of pillars) among skeleton, the post height is preferably 2-200mm, more preferably 30-50mm, column cross-section size 1-12mm (for example diameter of cylinder), intercolumniation 1-50mm.
For allowing the slider know from experience the more real snow world and providing for senior slider and can carry out the highly difficult snow pack condition that slides project, the setting and the structure of skeleton have material impact, comprise the rod structure design of skeleton and the winding mode of skeleton.For example, when U-lag ski-jumping and cross-country skiing place are provided, because the slider does not stop action substantially in sliding, so the design of surface layer and skeleton guarantees that good slippery is vital, require this moment the skeleton topside area big as far as possible and become the plane, promptly use the bigger skeleton post of sectional dimension (cylinder or square column), less intercolumniation; The skeleton preferred design in Halfpipe place becomes the thicker tapered column of Lower Half, because the characteristics of Halfpipe are that to stop action soft, and turn and slides the snow slab blades of using more; Land snow pack for high platform and need guarantee slider's safety, the skeleton height should be less, and fiber layer thickness should be big.
Mode of connection between the skeleton is except already mentioned method, can also comprise that snap close connects, inserted connection, snap close and inlay winding mode between the similar at present common timber floor that is used for upholstery such as dual combination, can also adopt Plastic Welding, magnetic to connect (connecting with magneticsubstance between the web member) etc., also can adopt zip is set or makes, bind with feasible pattern such as binding and realize being connected of skeleton.
In a preferred embodiment of the present invention, this each layer of artificial ski field structure is as follows: upwards be basal layer, elastic layer, skeleton, layer of fibers and artificial snow layer successively in the lowest layer, except that artificial snow layer, connect with bonding mode between each layer, the mode of connection of skeleton adopts snap close and inlays dual being connected, artificial snow layer is sprinkling upon on the layer of fibers, artificial snow layer then is divided into bottom and surface layer, and bottom is the lubrication prescription layer, about 3～5mm, compacting, surface layer is laid on the bottom and gets final product.
Material of the present invention is nontoxic, harmless fire retardant material, has reached the requirement of safety and sanitation, and various materials are chemical feedstocks commonly used, can be purchased or simply processing, and wherein snowmaking can reclaim use, more meets environmental protection requirement.
The sliding performance of artificial ski field of the present invention is similar to natural snow pack, but be not subjected to season and ambient temperature effect, indoor and outdoor all can be laid, for use throughout the year, be snow pack build or the maintenance of snow face all is simplified, management and construction cost have greatly been reduced, the popularizing and carry out of also more convenient skiing.Owing to build the handiness of mode, snow pack can also be laid to that solid is spiraled or decussate texture, has promoted the difficulty of skiing, has more increased skied technique and interest.
The positively effect that the present invention adopts the snowmaking field energy of technique scheme to bring is: for multilayer material constitutes, its physical and chemical performance, especially sliding performance is similar to natural snow pack, not influenced by temperature, can be laid on easily Anywhere at any time, comprise indoor place, even in the Highrise buildings, it is not limited to the layout limitation of existing skifield, can carry out the taxi circuit design of different shape along with needs, for example annular, solid is spiraled, bend, various curve design, floor space can be adjusted arbitrarily with environment and condition, also might become the auxiliary facility of public place of entertainment, city, for people to use throughout the year, strengthened interest, the athletics of security and match; Utilize snowmaking, sliding performance can be thought control, and the action effect between the particular components of snowmaking also can reduce the loss of snow deposit in sliding, and has reduced the maintenance cost of snow pack, and helps skiing more widely, carry out enduringly; This snowmaking and artificial ski field ground, the material that is adopted is nontoxic, harmless fire retardant material, do not need to use valuable natural resources---water, snowmaking can also reclaim use, meet the requirement of environmental protection and safety and sanitation, the manufacturing cost expense is low, therefore, the present invention is worthy of popularization, and commercial value is very big.
Description of drawings
Fig. 1: the structural representation of the artificial ski slide embodiment 1,2 of the present invention.
Fig. 2: the structural representation of the artificial ski slide embodiment 3 of the present invention.
Fig. 3-1,3-2,3-3 are the synoptic diagram of skeleton mode of connection, are illustrated as bayonet type, inserted and snap close and inserted combination respectively.
Reference numeral:
1-basal layer 2-elastic layer 3-skeleton 4-layer of fibers 5-artificial snow layer
Embodiment
The present invention will be described in detail below in conjunction with specific embodiment, but be not in order to limit the present invention.
Embodiment 1
Snowmaking is formed:
Solid lubrication prescription composition (weight part): paraffin 50, AC-617 (polyvinyl ester) 20, talcum powder 25, stearic acid list acid anhydride ester 15, oxidic polyethylene 20, calcium stearate 10;
Said components is mixed the back and is mixed into snowmaking with polyvinyl chloride particles, and wherein, the content of this solid lubrication prescription is 40-60% weight, the about 1mm of particle diameter of " the snow particle " of formation.
Snowmaking is formed:
Solid lubrication prescription composition (weight part): paraffin 45, AC-617 (polyvinyl ester) 20, talcum powder 30, stearic acid list acid anhydride ester 18, oxidic polyethylene 25, calcium stearate 10;
Being compacted to about 1cm after each component mixed becomes bottom, and the polyvinyl chloride particles of the about 0.8-1.2mm of particle diameter is routed on this bottom as surface layer, and consumption is about the 50-80% of primer, has formed artificial snow layer thus.
On with the plane of concrete as basal layer 1, with caking agent elastic sponge body urethane bonding is formed elastic layer 2 on the concrete plane, after to be dried, melted the height that urethane makes by high-strength hot is 20 millimeters, diameter is 4 millimeters, intercolumniation is that 5 millimeters column formed body base plate is bonded in and becomes casing ply 3 on the elastic layer 2, between the column of casing ply 3, vertically insert the layer of fibers of making by 1: 1 mixed by polyethylene and acrylic plastering 4, the bottom of fiber is bundled on the base plate of skeleton 3 of punching, to add grain diameter that paraffin makes by polyethylene is 1 millimeter snowmaking, is sprinkling upon on the layer of fibers 4 that is supported by skeleton 3.More than formed the ground floor of skifield, can use as ski slide for people.
Perhaps, use the snowmaking of embodiment 1 to be sprinkling upon on the layer of fibers 4, form the snow deposit of about 3-5mm.
The skeleton height is shorter in this snow pack design, and fibrolaminar height is suitably increased, and can use for the high platform project of landing.
With polyvinyl chloride panel as basal layer 1, on basal layer 1, adopt the mode of bookbinding, the PVC of foaming is fixedly become elastic layer 2, to make the casing ply that has the column formed body by urethane then is bonded in and becomes skeleton (casing ply) 3 on the elastic layer 2, its cylinder height is that 50 millimeters, diameter are that 8 millimeters and intercolumniation are 10 millimeters, and the column top of skeleton is the plane as far as possible, and the mode that is connected and fixed between the skeleton such as Fig. 3-3 formula are vertically inserted the layer of fibers of being made by polyethylene 4 then between the column of skeleton 3; The bottom of its fiber is bundled on the skeleton 3 of punching, to be the urethane of 2mm and the artificial snow layer that the sodium stearate mixture is made (also can use the snowmaking of embodiment 2) by grain diameter at last, be laid on the layer of fibers 4, form the upper layer that uses as ski slide for people.
This snow pack can be used for U-lag or high platform is job-hoped, the cross-country skiing project.
On with the plane of concrete as basal layer 1, with caking agent the rubber-like sponge-like polyurethane being bonded in becomes elastic layer 2 on the basal layer 1, after to be dried, the layer of fibers of making by 1: 1 mixed by polyethylene and polypropylene 4, adopt the method that heat is melted that it vertically is fixed on the elastic layer 2, the density of its fiber is like as the meadow, the snowmaking particle of embodiment 1 on layer of fibers 4 again, and thickness is at 0.5-1cm.
Do not use skeleton in this snow pack structure, engineering is simple, can use for the tyro.
Embodiment 6
The artificial ski field that designs for hanging type, structure from top to bottom is followed successively by the unsettled elastic layer 3 of artificial snow layer 5, layer of fibers 4, skeleton 3 and the steel mesh of embodiment 1 or wireline (this wireline also can two ends hang on both sides forming column or the skeleton construction) structure, mode of connection between the skeleton is snap close and inlays dual combination that purpose is to increase the intensity that skeleton supports.
This snow pack structure is owing to be unsettled setting, and adopt the steel mesh of high strength elastic or steel cord structure as elastic layer, the defective that the hard end, plane skids has easily been avoided in action such as be more suitable for big revolution, super-G or soar, and has strengthened security and comfortableness.
In the foregoing description, adopt concrete or asphalt concrete material, should implement at the scene to finish, as adopt other material as basal layer 1, can in the workshop, make in advance be assembled into after, go on-the-spot the laying again.
More than described the preferred embodiment for the present invention, so it is not in order to limit the present invention.Those skilled in the art can not depart from the improvement and the variation of category of the present invention and spirit to embodiment disclosed herein.
Claims (18)
1, a kind of snowmaking is made up of solid lubrication prescription composition and resin particle, and wherein, the component of described solid lubrication prescription composition comprises: the polyvinyl ester of the paraffin of 40-50 weight part and 15-25 weight part or polypropylene ester or polyurethane particles.
2, the described snowmaking of claim 1 wherein, also comprises 10-20 weight part stearic acid list acid anhydride ester, the oxidic polyethylene of 15-25 weight part, the calcium stearate of 5-15 weight part, the talcum powder of 15-30 weight part in the component of solid lubrication prescription composition.
3, the described snowmaking of claim 1, wherein, described resin particle is a polyvinyl chloride particles.
4, the described snowmaking of claim 1, wherein, solid lubrication prescription and resin particle layering combination, the solid lubrication prescription is a bottom, resin particle is for covering the surface layer of this bottom.
5, a kind of artificial ski field, it comprises artificial snow layer and the layer of fibers that is formed by snowmaking, described artificial snow layer is layed on the layer of fibers.
6, artificial ski field as claimed in claim 5, wherein artificial snow layer is formed by each described snowmaking among the claim 1-4.
7, artificial ski field as claimed in claim 5, wherein fibrolaminar material are polyethylene, polypropylene, nylon or wherein at least two kinds mixing.
8, artificial ski field as claimed in claim 5 wherein also is provided with elastic layer below the layer of fibers, be provided with basal layer below the elastic layer.
9, the described artificial ski field of claim 5, wherein, the particle diameter of artificial snow layer is 0.1-2mm.
10, claim 5 or 9 described artificial ski fields, wherein, bottom that described artificial snow layer is formed by the solid lubrication prescription and the resin particle surface layer that covers are thereon formed, and underlayer thickness is 2mm at least.
11, claim 5 or 8 described artificial ski fields wherein, are provided with skeleton below the described layer of fibers, and the layer of fibers vertical joint is in skeleton structure.
12, the described artificial ski field of claim 11, wherein, the material that described skeleton adopts is elastic polyurethane, polyethylene, polypropylene, nylon plastic or engineering plastics, or its combination of at least two kinds.
13, the described artificial ski field of claim 11 ground, wherein said skeleton is a columnar structure, can make described layer of fibers vertical joint in the gap of this columnar structure, the post of this columnar structure height is 2-200mm, diameter 1-12mm, intercolumniation 1-50mm.
14, the described artificial ski field of claim 11, wherein, the mode of connection between the described skeleton can comprise snap close connection, inserted connection, snap close and inlay that dual built-up type is connected, welding, magnetic connection, zip, makes, binds or cluster connects.
15, the described artificial ski field of claim 8 ground, wherein said elastic layer are layer of polyurethane, rubber layer, foaming PVC layer or expanded plastic layer.
16, the described artificial ski field of claim 8, wherein, described elastic layer is airflow layer, water-filling layer or soft spongy layer or its array configuration; The perhaps wherein combination of any and layer of polyurethane, rubber layer, foaming PVC layer or expanded plastic layer.
17, the described artificial ski field of claim 8 ground, wherein said basal layer material are concrete, plastics, pitch, concrete, timber, metal or its combination.
18, the described artificial ski field of claim 11 ground, wherein said elastic layer are unsettled steel mesh or wireline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100804136A CN100551987C (en) | 2005-07-01 | 2005-07-01 | Snowmaking and artificial ski field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100804136A CN100551987C (en) | 2005-07-01 | 2005-07-01 | Snowmaking and artificial ski field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1891779A true CN1891779A (en) | 2007-01-10 |
| CN100551987C CN100551987C (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100804136A Expired - Fee Related CN100551987C (en) | 2005-07-01 | 2005-07-01 | Snowmaking and artificial ski field |
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| CN (1) | CN100551987C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505607A (en) * | 2011-11-13 | 2012-06-20 | 初慧民 | Manufacturing method for paraffin skating rink |
| CN103483008A (en) * | 2013-09-11 | 2014-01-01 | 清华大学 | Surface coating method of strontium ferrite particles for preparing novel artificial snow |
| WO2014032226A1 (en) * | 2012-08-27 | 2014-03-06 | Sun Yingui | Artificial snow at normal temperature |
| CN106730786A (en) * | 2017-01-10 | 2017-05-31 | 北京克莱思沃科技有限公司 | A kind of man-made ski blanket based on resin material |
| CN108165236A (en) * | 2017-12-22 | 2018-06-15 | 北京德得创业科技有限公司 | A kind of snowmaking that shaping sizing can be recycled and preparation method thereof |
| CN108192571A (en) * | 2017-12-22 | 2018-06-22 | 北京德得创业科技有限公司 | It is a kind of to be used to be laid with snowmaking of ski trail and preparation method thereof |
| CN113338114A (en) * | 2021-04-30 | 2021-09-03 | 中国极地研究中心 | Polar region ice and snow runway and ice and snow runway construction method |
| CN113730897A (en) * | 2021-10-08 | 2021-12-03 | 北京奔流野外运动服装有限公司 | Landing slope |
| CN113956849A (en) * | 2021-10-14 | 2022-01-21 | 深圳市莱尔博克照明科技有限公司 | Environment-friendly artificial snow and manufacturing method thereof |
| US20220084721A1 (en) * | 2019-01-16 | 2022-03-17 | Autonetworks Technologies, Ltd. | Insulated wire with bonding layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505607A (en) * | 2011-11-13 | 2012-06-20 | 初慧民 | Manufacturing method for paraffin skating rink |
| US10414959B2 (en) | 2012-08-27 | 2019-09-17 | Yingui Sun | Artificial snow at ambient temperature |
| WO2014032226A1 (en) * | 2012-08-27 | 2014-03-06 | Sun Yingui | Artificial snow at normal temperature |
| CN104640955A (en) * | 2012-08-27 | 2015-05-20 | 孙寅贵 | Artificial snow at normal temperature |
| RU2605120C2 (en) * | 2012-08-27 | 2016-12-20 | Иньгуй СУНЬ | Artificial snow at normal temperature |
| CN104640955B (en) * | 2012-08-27 | 2017-08-01 | 孙寅贵 | Artificial normal temperature snow |
| CN103483008A (en) * | 2013-09-11 | 2014-01-01 | 清华大学 | Surface coating method of strontium ferrite particles for preparing novel artificial snow |
| CN103483008B (en) * | 2013-09-11 | 2015-07-15 | 清华大学 | Surface coating method of strontium ferrite particles for preparing novel artificial snow |
| CN106730786A (en) * | 2017-01-10 | 2017-05-31 | 北京克莱思沃科技有限公司 | A kind of man-made ski blanket based on resin material |
| CN108165236A (en) * | 2017-12-22 | 2018-06-15 | 北京德得创业科技有限公司 | A kind of snowmaking that shaping sizing can be recycled and preparation method thereof |
| CN108192571A (en) * | 2017-12-22 | 2018-06-22 | 北京德得创业科技有限公司 | It is a kind of to be used to be laid with snowmaking of ski trail and preparation method thereof |
| CN108165236B (en) * | 2017-12-22 | 2021-02-19 | 北京德得创业科技有限公司 | Recyclable plastic-shaped artificial snow and preparation method thereof |
| CN108192571B (en) * | 2017-12-22 | 2021-02-19 | 北京德得创业科技有限公司 | Artificial snow for paving ski tracks and preparation method thereof |
| US20220084721A1 (en) * | 2019-01-16 | 2022-03-17 | Autonetworks Technologies, Ltd. | Insulated wire with bonding layer |
| CN113338114A (en) * | 2021-04-30 | 2021-09-03 | 中国极地研究中心 | Polar region ice and snow runway and ice and snow runway construction method |
| CN113338114B (en) * | 2021-04-30 | 2023-10-03 | 中国极地研究中心 | Polar region ice and snow runway and construction method thereof |
| CN113730897A (en) * | 2021-10-08 | 2021-12-03 | 北京奔流野外运动服装有限公司 | Landing slope |
| CN113956849A (en) * | 2021-10-14 | 2022-01-21 | 深圳市莱尔博克照明科技有限公司 | Environment-friendly artificial snow and manufacturing method thereof |
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