CN1792401A - Skateboard with brake, and its mfg. method - Google Patents
Skateboard with brake, and its mfg. method Download PDFInfo
- Publication number
- CN1792401A CN1792401A CNA2005101013758A CN200510101375A CN1792401A CN 1792401 A CN1792401 A CN 1792401A CN A2005101013758 A CNA2005101013758 A CN A2005101013758A CN 200510101375 A CN200510101375 A CN 200510101375A CN 1792401 A CN1792401 A CN 1792401A
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- CN
- China
- Prior art keywords
- brake
- slide plate
- panel
- plate
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B15/00—Other sledges; Ice boats or sailing sledges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B17/00—Accessories or details of sledges
- B62B17/08—Braking devices
Abstract
A slide board with brake for skiing and sliding on grass or sand is composed of a composite core board, upper surface board with printed pattern film, foamed layer and two handles, solid lower surface board, and a controllable brake fixed to bottom surface of lower surface board.
Description
Technical field
The present invention relates to equipment of gliding motility and preparation method thereof, relate in particular to a kind ofly can be used for skiing, the slide plate of motions such as grass skating and Sand Skiing and preparation method thereof.
Background technology
Existing skateboarding comprises panel, central layer and base plate.In order to make that sliding panel is in light weight, intensity good, central layer generally all adopts more low-density light weight board to make; For reducing sliding friction, the base plate of slide plate adopts one deck low-friction coefficient and impact-resistant polyethylene solid sheet to make; For increasing the attractive in appearance of slide plate, can be printed on the film of versicolor smooth film or bump maps line at surface coverage one deck of slide plate.Panel, central layer and base plate three ply board material bond together by the mode of heating, roll extrusion, cooling.Yet existing all kinds of skateboardings all are not provided with brakes and steering, generally all are to rely on glider's slide skill or hand-held strut to implement braking and turn to.This is not allow wieldly for common glider, when particularly being slided rapidly by eminence, is difficult to control effectively line of travel or braking in the way downwards.This will reduce enjoyment and security that the glider plays greatly.
Summary of the invention
One of purpose of the present invention is to solve the problem that existing slide plate is not provided with brakes and steering, propose a kind of simple and practical, be convenient to brake and the slide plate of the band brake that turns to.
Another object of the present invention is to solve the existing technical problem that slide plate is not made brakes technology of making, and proposes a kind of preparation method of producing the band brake slide plate.
The scheme that the present invention solves first technical problem is the slide plate of a kind of band brake of structure, it comprise compound core plate, respectively be located at the panel of the upper and lower both sides of described central layer and low-friction coefficient solid slab, be located at the handle of both sides, described panel outer surface middle part, described panel comprises the printing film that is printed with the figure line and foams and go up lining that the outer surface of described solid slab also is connected with the brake of controllable operating.
Wherein, described brake is the tabular component that is covered with finger, and this brake is located at the both sides of described solid slab outer surface respectively.
Described brake and being connected to of slide plate body be forced to be connected, powerful bonding or the plastic cement screw connects any.
One embodiment of the present of invention, the slide plate front portion is bent upwards, and the outer surface front portion that described brake is located at described solid slab is bent upwards the place, and described panel outer surface is provided with pedal corresponding to described brake place.
An alternative embodiment of the invention, the slide plate of corresponding described grip are to the fovea superior song, and described brake is located at the outer surface of described solid slab to the bent place of fovea superior.
The scheme that the present invention solves second technical problem is the preparation method that proposes a kind of band brake slide plate, and its step is as follows:
The making of A, panel:, and lining is gone up in printing film and foaming sent into in the roller that rolls formation panel sheet material after the bonding cooling of roll extrusion simultaneously at the adhesive film of coating the hot melt state in prefabricated printing film and the prefabricated foaming between the lining;
Coat the adhesive film and the cooling of hot melt state at the another side of panel sheet material;
The making of B, middle central layer: central layer in the middle of as required the laminate of different densities being fitted;
The making of C, composite bottom board: the raw material of described solid slab is heated to the hot melt state, and is squeezed into sheet material, again this sheet material and prefabricated foaming central layer are sent into simultaneously in the roller that rolls, after the bonding cooling of roller roll extrusion, form composite bottom board;
The applying of D, middle central layer and composite bottom board: the applying of middle central layer and composite bottom board is become composite plate;
E, cutting die cut: according to the concrete shape and size of product, described composite plate is cut out the semi-finished product of concrete shape and size with cutting die;
F, setting are made: the composite plate that cutting die is determined is heated to 130 ℃ to 200 ℃, is positioned in the shaping mould with the shape that promptly formalizes again, and the pressurization cooling shaping obtains the setting composite plate of the shape that requires;
G, composite plate and panel bonding: described setting composite plate and described panel are sent in the make-up machine of two-sided rolling, with the adhesive film of lining in the foaming of heater heating panel and the surface between the typing composite plate, make them be in the hot melt state, be bonded together through the roller roll extrusion;
H, bound edge make: at last with fail around described panel and the typing composite plate bonding part heating dissolve bonding, and make panel border seal typing composite plate around;
The installation of I, brake and handle: the upper surface that described handle is connected in slide plate; Described brake is connected in the both sides of the outer surface of described solid slab.
The present invention is provided with the brake that can control in its bottom, as brake being arranged at the front portion of slide plate, can utilize scrunching of pin to control braking; Brake is arranged at the below of handle, can utilizes subordinate to push and control braking.Push the brake of a side, can control the direction that slides, this will improve enjoyment and security that the glider plays greatly.Brake can be made of plastic cement, and is simple in structure, installs easily.Take different connected modes to meet the different needs, as take that forced connection, powerful bonding---non-dismountable connection can make things convenient for the user directly to use slide plate; Take the plastic cement screw to connect---removably connect, slide plate can be transported to the destination after, again brake is installed, made things convenient for transportation, also made things convenient for the user to change the brake that has damaged.
Central layer is taked the reinforcement version of MULTILAYER COMPOSITE, and promptly central layer can form with the board making of multilayer different densities, and the thickness of each laminate material can be decided as required.This structure is the soft durometer of adjustment central layer flexibly, thereby improves sliding panel shock resistance and resistant to bending performance, increases the service life of sliding panel and strengthens the reliability that connects.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done detailed explanation, wherein:
Fig. 1 is the front view of skis embodiment of the present invention;
Fig. 2 is the schematic diagram of the common sheet material cross section structure of the present invention;
Fig. 3 is the front view of first embodiment of the invention;
Fig. 4 is the rearview of Fig. 3;
Fig. 5 is the left view of Fig. 3;
Fig. 6 is the front view of second embodiment of the invention;
Fig. 7 is the rearview of Fig. 6;
Fig. 8 a is the left view of Fig. 6;
Fig. 8 b is the front view of Fig. 6 brake;
Fig. 8 c is the assembled view of overlooking of Fig. 8 b;
Fig. 8 d is the elevational schematic view of Fig. 8 b;
Fig. 8 e is the side view of second embodiment of the invention typing composite plate;
Fig. 9 is the schematic diagram of panel produced with combination of the present invention;
Figure 10 is the making schematic diagram of composite bottom board of the present invention;
Figure 11 is the schematic diagram that composite plate cutting die of the present invention cuts the back rim charge;
Figure 12 is that composite plate cutting die of the present invention cuts the half-finished schematic diagram of tail skid;
Figure 13 is the schematic diagram of second embodiment of the invention panel and setting composite plate produced with combination;
Figure 14 is the schematic diagram that slide plate bound edge of the present invention is made.
The specific embodiment
Fig. 1 and Fig. 2 show the front view of skis embodiment of the present invention and the cross section structure schematic diagram of common sheet material, described skis, comprise compound core plate D, respectively be located at the upper and lower both sides of compound core plate D panel A and smooth solid slab 6, be located at the handle 9 of both sides, panel A outer surface middle part.Panel A comprises lining 3 in the foaming of the printing film 1 that is printed with the figure line and ethylene vinyl acetate and polyethylene and ethylene copolymers (EVA+PEpolymer blend), printing film 1 and on foam to go up between the lining 3 and be provided with the novel extremely-low density metallocene of one deck (Metallocen Catalysced) adhesive film 4.Compound core plate D comprises the solid stiffener of one deck 8 and is located at the low-density plank 2 on these stiffener 8 upper and lower surfaces respectively, is respectively equipped with high-density plate 7 between the low-density plank 2 on stiffener 8 and upper and lower surface.The thickness of compound core plate D can be the 12-77 millimeter, and wherein each flaggy can come produced with combination with the technique for sticking of any material in ethylene vinyl acetate (EVA), polyethylene (PE), the polypropylene (PP) by thermal thawing joint technology or adhesive film.The thickness of compound core plate D and the number of plies can depend on the needs of product and change.Because the thickness of compound core plate D and the number of plies can be selected according to the size of slide plate and the requirement of intensity, this structure can be adjusted the weight and the soft durometer of sliding panel neatly, thereby improve sliding panel shock resistance and resistant to bending performance, increase the service life of sliding panel.The lower surface of compound core plate D can directly be fitted with smooth solid slab 6, then can save a slice high-density medium layer in the traditional structure, and can guarantee the bulk strength of sliding panel, and production is quick, cost is low.
Fig. 3, Fig. 4, Fig. 5 show the profile and the structure of first embodiment of the invention, the front portion of this embodiment slide plate is bent upwards, both sides at the place of being bent upwards, outer surface front portion of slide plate bottom solid plate 6 are connected with brake 10, this brake 10 is for being covered with the tabular component of finger, and finger slightly tilts to the front portion.And panel A outer surface is connected with pedal 11 corresponding to above-mentioned brake 10 places.The handle 9 of both sides is located at the middle part of panel A outer surface respectively.Described brake 10, pedal 11 adopt the plastic cement screw to connect with being connected of slide plate body.This removably connecting, slide plate can be transported to the destination after, again brake 10 is installed, made things convenient for transportation, also made things convenient for the user to change the brake that has damaged.Remove screw connecting mode, can also adopt non-disconnectable connection---forced connection, powerful bonding (as, ultrasonic fusing, high frequency welding) etc.This connection can make things convenient for the user directly to use slide plate, and does not need user oneself to install.Because the central layer of slide plate is to adopt reinforced composite construction, can strengthen the reliability of connection.Brake is arranged at the front portion of slide plate, and the user who is sitting in the slide plate rear portion can utilize scrunching of pin to brake.And scrunch the brake of a side, and can turn to, thus the direction that control is slided.
Fig. 6, Fig. 7, Fig. 8 a show the profile and the structure of second embodiment of the invention, with the first embodiment main difference be: this embodiment slide plate middle part is crooked, the slide plate that is corresponding handle 9 places is to the fovea superior song, and brake 10 is located at the outer surface of solid slab 6 to the bent place of fovea superior.Shown in Fig. 8 b, Fig. 8 c and Fig. 8 d, brake 10 adopts the plastic cement screw to connect, and promptly can simultaneously brake 10 be connected with handle 9 by the plastic cement screw.Brake is arranged at the below of handle, and the user who is sitting in the slide plate rear portion can push downwards with hand X and brake.The brake of pushing a side with hand can turn to, thus the direction that control is slided.
Fig. 9 to Figure 14 is the part schematic flow sheet of slide plate preparation method of the present invention.The manufacture method of skis second embodiment of the present invention has the following step:
The making of A, panel: with drenching film machine 01 at the adhesive film 4 of coating the hot melt state in the foaming of prefabricated printing opacity printing film 1 and prefabricated ethylene vinyl acetate (EVA) and polyethylene (PE) copolymer between the lining 3, and lining 3 is gone up in printing film 1 and foaming sent into light surface roller (also can adopt the roller that has ridge design) simultaneously rolling, after the bonding cooling of roll extrusion, form panel sheet material A, as shown in Figure 9.The material that lining 3 is gone up in printing film 1 and foaming is a plastic cement, as polyethylene, terephthalic acid (TPA) polyglycol ester (PET), polyvinyl chloride (PVC) or polypropylene (PP) etc.Printing film 1 thickness is 0.02 to 0.15 millimeter; The thickness of lining 3 is got 1 to 5 millimeter in the described foaming, and hardness is that 35 degree are to 65 degree.Also be coated with the adhesive film 4 and the cooling of last layer hot melt state at the another side of panel sheet material A.
The making of B, middle central layer: the middle central layer E of present embodiment comprises the stiffener 8 of the solid 0.2-2 millimeter of one deck and is located at the low-density plank 2 on these stiffener 8 upper and lower surfaces (the density value is 1.5 to 9 pounds/cubic feet) respectively, be respectively equipped with high-density plate 7 (as shown in Figure 2) between the low-density plank 2 on stiffener 8 and upper and lower surface, the density value is 6 to 10 pounds/cubic feet.At first produce each laminate of polyethylene foam that meets thickness and density requirements with foaming machine, then the stacked on request hot melt of each laminate is fitted, and its roller fusion of sending into rolling is compressed, central layer E reaches the number of plies and the thickness that needs in the middle of making.The gross thickness of middle central layer E can be the 12-77 millimeter.Any material in the also available ethylene vinyl acetate of each flaggy (EVA), polyethylene (PE) and the polypropylene (PP) is made.
The making of C, composite bottom board: the raw material of described solid slab 6 is heated to the hot melt state, and be squeezed into sheet material, again this sheet material and prefabricated foaming central layer 2 are sent into simultaneously in the roller that rolls, after the bonding cooling of roller roll extrusion, form composite bottom board B, as shown in figure 10.The raw material of outer solid slab 6 can adopt the mixture of ABS-stupid ethylene-dien terpolymer (ABS), Merlon (PC) and nylon (Nylon), low-pressure polyethylene, polyethylene from high pressure process, low-pressure polyethylene and polyethylene from high pressure process.Thickness after outermost sheet material 6 moulding is 0.2 to 3 millimeter.
The applying of D, middle central layer and composite bottom board: the applying of middle central layer E and composite bottom board B is become composite plate C.Direct and the composite bottom board B applying of the lower surface of middle central layer E has been saved a slice high-density medium layer, and can have been guaranteed the bulk strength of sliding panel, and production is quick, efficient is high.
E, cutting die cut: according to the concrete shape and size of product, described composite plate C is cut out the semi-finished product of concrete shape and size with cutting die, as Figure 11 and shown in Figure 12.
F, setting are made: the composite plate C that cutting die is determined is heated to 130 ℃ to 200 ℃, is positioned over the slide plate middle part again and tilts upward in the shaping mould of recessed song, and the pressurization cooling shaping obtains the typing composite plate C of the shape that requires, shown in Fig. 8 e.
G, composite plate and panel bonding: the composite plate that will formalize C and panel A send in the make-up machine of two-sided rolling, with the adhesive film 4 of lining 3 in the foaming of heater 11 heating panel A and the surface between the typing composite plate C, make them be in the hot melt state, be bonded together through the roller roll extrusion, as shown in figure 13.
H, bound edge make: at last with fail around panel A and the typing composite plate C bonding part heating dissolve bonding, and make panel A border seal typing composite plate C around, as shown in figure 14.
The installation of I, brake and handle: the upper surface both sides (as shown in Figure 6) that described handle 9 are riveted on slide plate respectively; The outer surface middle part that brake 10 is connected slide plate bottom solid plate 6 with the plastic cement screw is to the both sides at the bent place of fovea superior, and this brake 10 is for being covered with the tabular component of finger, and finger is slightly to front portion tilt (shown in Fig. 8 a).According to difform slide plate, brake 10 can be connected different positions, as Fig. 3, Fig. 4 of the utility model first embodiment, shown in Figure 5, the outer surface front portion that brake 10 is connected slide plate bottom solid plate 6 with the plastic cement screw is bent upwards the both sides at place, and panel A outer surface connects pedal 11 (as shown in Figure 3) corresponding to above-mentioned brake 10 places with the plastic cement screw.The connection of brake 10 can also adopt forced connection, powerful bonding (as, ultrasonic fusing, high frequency welding).
The present invention has not only overcome the shortcoming that existing slide plate can not effectively be controlled braking and turn to, and easily manufactured, and bulk strength improves.
Claims (10)
1, a kind of slide plate of band brake, comprise compound core plate (D), respectively be located at these upper and lower both sides of compound core plate panel (A) and smooth solid slab (6), be located at the handle (9) of described panel (A) outer surface both sides, described panel (A) comprises the printing film (1) that is printed with the figure line and foams and go up lining (3), it is characterized in that the outer surface of described solid slab (6) also is connected with the brake (10) of controllable operating.
2, the slide plate of band brake as claimed in claim 1, it is characterized in that, described compound core plate (D) comprises one deck stiffener (8) at least and is located at the low-density plank (2) on the upper and lower surface of this stiffener (8) respectively, also is respectively equipped with high-density plate (7) between the low-density plank (2) on described stiffener (8) and upper and lower surface.
3, the slide plate of band brake as claimed in claim 2 is characterized in that, described brake (10) is for being covered with the tabular component of finger, and this brake is located at the both sides of described solid slab (6) outer surface respectively.
4, the slide plate of band brake as claimed in claim 3 is characterized in that, described brake (10) and being connected to of slide plate body be forced to be connected, powerful bonding or screw connects any.
5, the slide plate of band brake as claimed in claim 4, it is characterized in that, the front portion of slide plate is bent upwards, and the outer surface front portion that described brake (10) is located at described solid slab (6) is bent upwards the place, and described panel (A) outer surface locates to be provided with pedal (11) corresponding to described brake (10).
6, the slide plate of band brake as claimed in claim 4 is characterized in that, the slide plate that corresponding described handle (9) is located is to the fovea superior song, and described brake (10) is located at the outer surface of described solid slab (6) to the bent place of fovea superior.
7, a kind of manufacture method of slide plate according to claim 1 is characterized in that, comprises the following steps:
The making of A, panel: at the adhesive film (4) of coating the hot melt state in prefabricated printing film (1) and the prefabricated foaming between the lining (3), and lining (3) is gone up in printing film (1) and foaming sent into in the roller that rolls formation panel sheet material (A) after the bonding cooling of roll extrusion simultaneously;
Coat the adhesive film (4) and the cooling of hot melt state at the another side of panel sheet material (A);
The making of B, middle central layer: central layer (E) in the middle of as required the laminate of different densities being fitted;
The making of C, composite bottom board: the raw material of described solid slab (6) is heated to the hot melt state, and is squeezed into sheet material, again this sheet material and prefabricated foaming central layer (2) are sent into simultaneously in the roller that rolls, after the bonding cooling of roller roll extrusion, form composite bottom board (B);
The applying of D, middle central layer and composite bottom board: the applying of middle central layer (E) and composite bottom board (B) is become composite plate (C);
E, cutting die cut: according to the concrete shape and size of product, described composite plate (C) is cut out the semi-finished product of concrete shape and size with cutting die;
F, setting are made: the composite plate (C) that cutting die is determined is heated to 130 ℃ to 200 ℃, is positioned in the shaping mould with the shape that promptly formalizes again, and the pressurization cooling shaping obtains the setting composite plate of the shape that requires;
G, composite plate and panel bonding: described setting composite plate and described panel (A) are sent in the make-up machine of two-sided rolling, with the adhesive film (4) of lining (3) in the foaming of heater (11) heating panel (A) and the surface between the typing composite plate, make them be in the hot melt state, be bonded together through the roller roll extrusion;
H, bound edge make: at last with fail around described panel (A) and the typing composite plate bonding part heating dissolve bonding, and make the border seal of panel (A) finalize the design composite plate around;
The installation of I, brake and handle: the upper surface that described handle (9) is connected in slide plate; Described brake (10) is connected in the both sides of the outer surface of described solid slab (6).
8, as the method for making slide plate as described in the claim 7, it is characterized in that: described brake (10) and being connected to of slide plate body be forced to be connected, powerful bonding or screw connects any.
9, as the method for making slide plate as described in the claim 8, it is characterized in that, the front portion of slide plate is bent upwards, and the outer surface front portion that described brake (10) is located at described solid slab (6) is bent upwards the place, and described panel (A) outer surface locates to be provided with pedal (11) corresponding to described brake (10).
As the method for making slide plate as described in the claim 8, it is characterized in that 10, the slide plate that corresponding described handle (9) is located is to the fovea superior song, described brake (10) is located at the outer surface of described solid slab (6) to the bent place of fovea superior.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101013758A CN1319613C (en) | 2005-11-11 | 2005-11-11 | Skateboard with brake, and its mfg. method |
| PCT/CN2005/002370 WO2007053984A1 (en) | 2005-11-11 | 2005-12-29 | A ski with a brake and a manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101013758A CN1319613C (en) | 2005-11-11 | 2005-11-11 | Skateboard with brake, and its mfg. method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1792401A true CN1792401A (en) | 2006-06-28 |
| CN1319613C CN1319613C (en) | 2007-06-06 |
Family
ID=36804172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101013758A Expired - Fee Related CN1319613C (en) | 2005-11-11 | 2005-11-11 | Skateboard with brake, and its mfg. method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1319613C (en) |
| WO (1) | WO2007053984A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854981B (en) * | 2007-09-10 | 2012-12-26 | 兰道·T·怀瑟曼 | Snowboard with retractable braking device |
| CN103272379A (en) * | 2013-04-12 | 2013-09-04 | 荣和丽科技(深圳)有限公司 | Three-dimensional side-wall ski |
| CN108905174A (en) * | 2018-08-21 | 2018-11-30 | 华北理工大学 | A kind of adjustable speed steerable ski plate and ski boots |
| CN112693518A (en) * | 2020-12-31 | 2021-04-23 | 台州市韩科工贸有限公司 | Novel skiing of convenient transportation in batches device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9018169U1 (en) * | 1989-11-02 | 1997-08-28 | Fischer Gmbh | ski |
| US5167552A (en) * | 1990-02-01 | 1992-12-01 | Wellington Leisure Products, Inc. | Textured water sports board |
| US6308966B1 (en) * | 1999-12-01 | 2001-10-30 | Travis A. Cook | Ski vehicle brake and steering system |
| JP3919523B2 (en) * | 2001-12-11 | 2007-05-30 | 信行 藤田 | Snow slide |
| CN2686672Y (en) * | 2004-02-13 | 2005-03-23 | 叶宗殷 | Direction-controllable skateboard structure |
| CN2698416Y (en) * | 2004-02-28 | 2005-05-11 | 张广基 | Intensified sports sliding plate |
| CN1259992C (en) * | 2004-06-14 | 2006-06-21 | 张广基 | Sports running board and its manufacturing method |
-
2005
- 2005-11-11 CN CNB2005101013758A patent/CN1319613C/en not_active Expired - Fee Related
- 2005-12-29 WO PCT/CN2005/002370 patent/WO2007053984A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854981B (en) * | 2007-09-10 | 2012-12-26 | 兰道·T·怀瑟曼 | Snowboard with retractable braking device |
| CN103272379A (en) * | 2013-04-12 | 2013-09-04 | 荣和丽科技(深圳)有限公司 | Three-dimensional side-wall ski |
| CN103272379B (en) * | 2013-04-12 | 2015-11-25 | 荣和丽科技(深圳)有限公司 | Three-dimensional side-wall ski |
| CN108905174A (en) * | 2018-08-21 | 2018-11-30 | 华北理工大学 | A kind of adjustable speed steerable ski plate and ski boots |
| CN112693518A (en) * | 2020-12-31 | 2021-04-23 | 台州市韩科工贸有限公司 | Novel skiing of convenient transportation in batches device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1319613C (en) | 2007-06-06 |
| WO2007053984A1 (en) | 2007-05-18 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 Termination date: 20171111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |