CN101906760A - Anti-collision guardrail with internally inlaid metal materials - Google Patents
Anti-collision guardrail with internally inlaid metal materials Download PDFInfo
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- CN101906760A CN101906760A CN2009101469398A CN200910146939A CN101906760A CN 101906760 A CN101906760 A CN 101906760A CN 2009101469398 A CN2009101469398 A CN 2009101469398A CN 200910146939 A CN200910146939 A CN 200910146939A CN 101906760 A CN101906760 A CN 101906760A
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- embedded
- metal material
- guardrail
- guardrail board
- anticollision barrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention relates to an anti-collision guardrail with internally inlaid metal materials, which comprises metal materials and a guardrail made of wood plastics or PVC or PP or PE or glass plastics or rubber materials, and metal materials are inlaid in a W-shaped anti-collision guardrail plate.
Description
Technical field:
The present invention relates to anticollision barrier, wall panel, fence, pier apron.
Background technology:
" 200710098082.8 a kind of high speed guardrail board " described high speed guardrail board, hollow sheeting that is made of plastics and the plastics epidermal area that is wrapped in outside the hollow sheeting are formed, described hollow sheeting comprises the internal layer body, described internal layer body is arranged with outer body outward, be provided with reinforcing rib in the internal layer body, be provided with reinforcing rib in the gap between described outer body and the internal layer body.Beneficial effect of the present invention: meet the intensity of steel protective guard requirement, and it is strong to relax the ability of impacting, and is subjected to impacting the rear surface and does not break, and intermedium shelf structure absorption impact failure, at utmost reduce injury to car and human body.
The problem that above-mentioned patent exists is: metal reinforcing is not established in its inside of the guardrail board that plastics manufacture, and during bump, plastic guardrail plate easily breaks, and when especially winter was cold, the cold brittleness of plastics made plastic guardrail plate be prone to accident.
Summary of the invention:
The objective of the invention is: 1, by mould at wood or PVC or PP or PE or glass is moulded or elastomeric material is made guardrail board in the embedded with metal material, improve the anti-collision performance of guardrail board, improve the security performance of guardrail board.2, the outside wood that adopts of guardrail board is moulded or PVC or PP or PE or glass is moulded or the rubber elastic material manufacturing, by elastic deformation, lowers the impact strength of vehicle, improves security performance.3, wood mould or PVC or PP or PE or glass is moulded or elastomeric material is made guardrail board in the embedded with metal material, improve that wood is moulded or PVC or PP or PE or glass is moulded or the non-deformability of elastomeric material.4, guardrail board improves the guardrail board anti-collision performance by strip material compression molding or the extrusion modling of adding fiber.5, at guardrail board Surface Machining decorative pattern, prevent anaclasis, the noise that disappears improves security performance.6, the vibration damping junction plate is established at the guardrail board rear portion, by the stretcher strain of vibration damping junction plate, lowers the impact strength of vehicle, improves security performance.7, by in the guardrail board material, adding elastic caoutchouc particle or elastic resin particle or elastic caoutchouc fiber or elastic resin fiber, improve the shock resistance of guardrail board.8, metal material outer wrapping wood is moulded or PVC or PP or PE or glass is moulded or elastomeric material, solves metal material corrosion problem, improves guardrail board application life.9, by be coated with light-accumulating luminous UV lacquer on the guardrail board surface, make guardrail board possess lighting function at night.
The anticollision barrier of the interior embedded with metal material that the present invention proposes comprises with wood to be moulded or PVC or PP or PE or glass is moulded or the guardrail and the metal material of elastomeric material manufacturing, embedded with metal material in the W shape anticollision barrier boss, two ripple anticollision barrier metal material are embedded in up and down in two boss, and three ripple anticollision barrier metal material are embedded in three boss of upper, middle and lower.Metal material is rectangle band steel or shaped steel or steel pipe or wire rope.For bond strength and the minimizing that improves guardrail board and embedded with metal storeroom produces breathing stress, guardrail board and embedded with metal storeroom gluing because of variations in temperature in guardrail board and embedded with metal storeroom.
For realizing the seamless combination of polylith guardrail board, the connection tongue-and-groove is established in the guardrail board end, and during use, guardrail board end joint tongue inserts in the link slot of adjacent guardrail board end.
For improving the anti-collision safety of guardrail board, the guardrail board surface extrudes the strip decorative pattern by mould or by rolling forging die stamp line processing decorative pattern, the guardrail board surface detail increases frictional resistance, changes the vehicle impact direction, improves safety.
Be to improve the anti-collision fracture function of guardrail board, guardrail board is made by surface material and core material co-extrusion, and surface material adopts wood to mould or PVC or PP or PE or glass is moulded or elastomeric material, and core material is glass fiber or strand steel wire or strand rope.
Be to improve the anti-collision security function of guardrail board, guardrail board material surface co-extrusion soft elastic material, as rubber, soft macromolecular material, the distortion by guardrail board material surface soft elastic material slows down impact kinetic energy, improves security performance.
For improving the anti-collision performance of guardrail board, wood mould PVC or PP or PE or glass is moulded or elastomeric material in add fibrous material, as: glass fiber, IR fiber, resin fibre is extruded molten state wire or strip material by porous mold, fibrous material is vertically arranged in order, then, make wire or strip material high voltage junction integrator, manufacture the impact resistance guardrail board by compression molding or roll-forming.
For improving the anti-collision performance of guardrail board; wood mould PVC or PP or PE or glass is moulded or rubber guardrail board material in add elastic caoutchouc particle or elastic resin particle or elastic caoutchouc fiber or elastic resin fiber; when guardrail board is subjected to external impacts; by elastic granule or elastomer distortion in the guardrail board material; absorb impact energy; prolong the attack time, reduce and impact the destruction of bringing.
Another measure that improves guardrail board anti-collision performance is that the vibration damping junction plate is established at the guardrail board rear portion, vibration damping junction plate two ends link to each other with adjacent guardrail board with bolt respectively, establish the strip hole on the gripper shoe between guardrail board and the vibration damping junction plate, bolt passes to be established the strip hole vibration damping junction plate and guardrail board is fixed together on the gripper shoe.When guardrail board is subjected to Vehicular impact, being hit guardrail board hauls the guardrail board of facing mutually and moves along gripper shoe strip hole direction by the vibration damping junction plate, being hit guardrail board prolongs the attack time by movement and deformation, reduce impact kinetic energy, change and impact the back direction of vehicle movement, reduce damage and accident vehicle.
For making guardrail board have self-luminous at night characteristic, the UV lacquer at the light-accumulating luminous material of guardrail board surface spraying comprises end adhesive linkage UV lacquer, the UV lacquer of middle implicit light-self-luminescent material, the UV lacquer of the anti-light-accumulating luminous material oxidation of surface layer.Light-accumulating luminous material comprises: the light-accumulating luminous material of rare earth aluminate, the light-accumulating luminous material of rare earth silicate, the light-accumulating luminous material of sulfide.
For making guardrail board have self-cleaning function, add the self-cleaning function material in the guardrail board material, as: titanium dioxide granule.
Advantage of the present invention is: 1, wood mould or PVC or PP or PE or glass is moulded or elastomeric material is made guardrail board in the embedded with metal material, improve that wood is moulded or PVC or PP or PE or glass is moulded or the anti-collision performance of elastomeric material and non-deformability.2, the outside wood that adopts of guardrail board is moulded or PVC or PP or PE or glass is moulded or the rubber elastic material manufacturing, lowers the impact strength of vehicle, improves security performance.3, guardrail board improves the fracture of guardrail board impact resistance by strip material compression molding or the extrusion modling of adding fiber.4, guardrail board and embedded with metal storeroom gluing increase guardrail board and embedded with metal storeroom bond strength.5, guardrail board Surface Machining decorative pattern prevents anaclasis, and the noise that disappears improves security performance.6 by adding elastic caoutchouc particle or elastic resin particle or elastic caoutchouc fiber or elastic resin fiber in the guardrail board material, improve the shock resistance of guardrail board.7, the guardrail board surface is coated with light-accumulating luminous UV lacquer, makes guardrail board really be equipped with lighting function at night.8, the connection tongue-and-groove is established in the guardrail board end, connects by adjacent guardrail board end tongue-and-groove, realizes the seamless combination of polylith, and the wallboard that can be used as temporary building uses.
Description of drawings:
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 has embedded with metal material W shape guardrail end face structure figure in the feature of the present invention.
Fig. 2 has the crashproof co-extrusion guardrail of embedded with metal material W shape highway end face structure figure in the feature of the present invention.
Fig. 3 has the interior embedded with metal material W shape guardrail end face structure figure of UV lacquer that figuratrix of the present invention is coated with light-accumulating luminous material.
Fig. 4 has embedded with metal material W shape outer lug rubber guardrail end face structure figure in the feature of the present invention.
Fig. 5 has embedded with metal material W shape guardrail end face structure figure in the feature multifilament roll-forming of the present invention.
Fig. 6 has feature W shape three ripple wood of the present invention to mould anticollision barrier end face structure figure.
Fig. 7 has feature W shape rubber steel cable guardrail end face structure figure of the present invention.
Fig. 8 has feature embedded with metal material W shape guardrail mounting structure figure of the present invention.
Fig. 9 has feature embedded with metal material tongue-and-groove of the present invention to connect wall plate structure figure.
Figure 10 has feature embedded with metal material tongue-and-groove of the present invention to connect the wallboard assembly drawing.
The specific embodiment:
Embodiment 1:
A kind of in embedded with metal material W shape guardrail end face structure figure as shown in Figure 1, wherein: the 1st, the PVC glass is moulded W shape guardrail, the 2nd, glass fiber, the 3rd, hollow glass micropearl, the 4th, metal sheet.Glass fiber 2 and hollow glass micropearl 3 are sneaked in the polyvinyl chloride resin, and metal sheet 3 is inlayed the glass of being made up of polyvinyl chloride resin and glass fiber and hollow glass micropearl by co-extrusion and moulded in W shape guardrail 1 boss hole.
PVC glass moulding material is to add hollow glass micropearl and glass fiber is made in polyvinyl chloride resin, and hollow glass micropearl and glass fiber have good corrosion resistance, and hollow glass micropearl can absorb Impact energy and weight reduction, and glass fiber prevents the fracture of W shape guardrail.
Embodiment 2:
In a kind of the crashproof co-extrusion guardrail of embedded with metal material W shape highway end face structure figure as shown in Figure 2, wherein: the 5th, PVC wood is moulded W shape guardrail, the 6th, wood powder, the 7th, add nano titanium oxide surface layer ASA self-cleaning material, the 8th, metal sheet.When making the crashproof co-extrusion guardrail of W shape highway, a hot extruder is extruded surface layer ASA self-cleaning material 7 by mould, another hot extruder is extruded PVC wood by mould and is moulded W shape guardrail 5, metal sheet 8 enters PVC wood by the metal sheet conveyer and moulds in W shape guardrail 5 boss holes, and surface layer ASA self-cleaning material 7 and PVC wood are moulded W shape guardrail 5 and metal sheet 8 cooling forming in shaper.
The advantage of present embodiment is: add nano titanium oxide surface layer ASA self-cleaning material and can prevent effectively that PVC wood from moulding W shape guardrail surface knot ash, particularly pass through rain drop erosion after, can make PVC wood mould that W shape guardrail recovers as new.
Embodiment 3:
The UV that a kind of surface is coated with the public light-accumulating luminous material of embedded with metal material W shape coats with lacquer interior road guardrail end face structure figure as shown in Figure 3, wherein: the 9th, PVC wood is moulded W shape guardrail, the 10th, wood powder, the 11st, bottom UV glue, the 12nd, contain the UV glue of light-accumulating luminous material, the 13rd, surface layer UV protective paint, the 14th, metal sheet.When manufacturing comprises the UV lacquer guardrail of light-accumulating luminous material, at first mould W shape guardrail 9 surperficial priming operation UV glue 11 at PVC wood, behind the ultraviolet light polymerization, be coated with the UV glue 12 that contains light-accumulating luminous material, behind the ultraviolet light polymerization, being coated with is surface layer UV protective paint 13, moulds guardrail with obtaining light-accumulating luminous UV lacquer PVC wood behind the ultraviolet light polymerization.
The advantage of present embodiment is: 1, surface layer UV protective paint can prevent that light-accumulating luminous material from running into the rainwater oxidation deactivation.2, the light-accumulating luminous material in intermediate layer absorbs the sunlight energy daytime, and it is luminous to emit energy night, improves the highway safety performance.
Embodiment 4:
A kind of in embedded with metal material W shape outer lug PVC guardrail end face structure figure as shown in Figure 4, wherein: the 15th, PVC guardrail, the 16th, elastic caoutchouc particle, the 17th, decorative pattern, the 18th, metal sheet.16 blending of elastic caoutchouc particle are in PVC guardrail 15 materials, and metal sheet 12 is inlayed in PVC guardrail 15 boss holes by coextrusion process, and PVC guardrail 15 is extruded the strip decorative pattern by mould.
The present embodiment advantage is: 1, the PVC guardrail of blending elastic caoutchouc particle, and the elasticity height, crashproof ability is strong.2, decorative pattern increases frictional resistance, prolongs the attack time, slows down vehicle and destroys.3, metal sheet keeps the rigidity of guardrail to connect, and prevents the fracture of guardrail bump.
Embodiment 5:
In a kind of multifilament roll-forming embedded with metal material W shape guardrail end face structure figure as shown in Figure 5, wherein: the 19th, PVC W shape guardrail, the 20th, glass fiber PVC line, the 21st, metal sheet.When making in the multifilament roll forming embedded with metal material W shape guardrail, the PVC molten resin that at first will contain 25% glass fiber is extruded many glass fiber PVC lines 19 by porous mold, glass fiber is arranged at PVC line 19 interior orientations, metal sheet 21 and glass fiber PVC line 19 entered carry out pre-setting in the qualitative mould, pre-setting metal sheet 21 and glass fiber PVC line 19 enter in the roller pressing forming machine, by the roll roll extrusion, glass fiber PVC line 19 is pressed together on the metal sheet 21, and many glass fiber PVC lines 19 are pressed into one.
Embodiment 6:
A kind of W shape three ripple wood are moulded anticollision barrier end face structure figure as shown in Figure 6, wherein: the 22nd, W shape three ripple wood are moulded anticollision barrier, and the 23rd, IR fiber, the 24th, intermetallic metal plate, the 25th, left side metal sheet, the 26th, right side metal sheet.Intermetallic metal plate 24 is embedded in three ripple wood and moulds in the anticollision barrier 22 middle boss, and left side metal sheet 25 is embedded in three ripple wood and moulds in the anticollision barrier 22 left side boss, and right side metal sheet 26 is embedded in three ripple wood and moulds in the anticollision barrier 22 right side boss.
Embodiment 7:
A kind of W shape rubber steel cable guardrail end face structure figure as shown in Figure 7, wherein: the 27th, W shape hard rubber guardrail, the 28th, netted reinforcement inner core, the 29th, wire rope embedding groove, the 30th, wire rope, the 31st, glue.Wire rope 30 usefulness glue 31 are bonded in the W shape hard rubber guardrail 27 wire rope embedding grooves 29.
The advantage of present embodiment is that W shape hard rubber guardrail and wire rope have high resiliency, can slow down the impact of collision vehicle, suitable especially high-risk highway section.
Embodiment 8:
A kind of embedded with metal material W shape guardrail mounting structure figure as shown in Figure 8, wherein: the 32nd, fence upright, the 33rd, metal profile, the 34th, metal profile strip hole, the 35th, the vibration damping junction plate, the 36th, vibration damping junction plate temperature movement gap, the 37th, PVC glass moulding material in the left W shape guardrail, the 38th, left embedded with metal plate, the 39th, the outer PVC glass moulding material of left W shape guardrail, the 40th, left connecting bolt, the 41st, PVC glass moulding material in the right W shape guardrail, the 42nd, right embedded with metal plate, the 43rd, the outer PVC glass moulding material of right W shape guardrail, the 44th, right attachment screw, the 45th, W shape guardrail expansion clearance.
When embedded with metal material W shape guardrail is installed, left side connecting bolt 40 passes left W shape guardrail 37,38,39 and metal profile strip hole 34 left W shape guardrail is fixed on vibration damping junction plate 35 left sides, right connecting bolt 44 passes right W shape guardrail 41,42,43 and metal profile strip hole 34 right W shape guardrail is fixed on vibration damping junction plate 35 right sides, when left guardrail plate 37,38,39 when being subjected to Vehicular impact, the outwardly-bent distortion of left guardrail plate, being hit the left guardrail plate hauls the right guardrail plate 41 that faces mutually by vibration damping junction plate 35,42,43 are moved to the left along gripper shoe strip hole 34, being hit the left guardrail plate prolongs the attack time by movement and deformation, reduce impact kinetic energy, change and impact the back direction of vehicle movement, reduce damage and accident vehicle.When bump was eliminated, the mobile tension force of right guardrail plate 41,42,43 hauled the left guardrail plate and recovers the origin-location.
Embodiment 9:
A kind of embedded with metal material tongue-and-groove connects wall plate structure figure as shown in Figure 9, Figure 10 is that embedded with metal material tongue-and-groove connects the wallboard assembling assumption diagram, wherein: the 46th, the PVC glass is moulded W shape tongue-and-groove and is connected wallboard, the 47th, connect the wallboard tenon, the 48th, connect the wallboard groove, the 49th, metal sheet, the 50th, left PVC glass is moulded W shape tongue-and-groove and is connected wallboard, the 51st, a left side connects the wallboard tenon, the 52nd, a left side connects the wallboard groove, the 53rd, left metal sheet, the 54th, right PVC glass is moulded W shape tongue-and-groove and is connected wallboard, and the 55th, the right wallboard tenon that connects, the 56th, the right wallboard groove that connects, the 57th, right metal sheet, during assembling, the left side connection wallboard tenon 51 that left PVC glass is moulded on the W shape tongue-and-groove connection wallboard 50 inserts right side connection wallboard groove 56 interior the fixing that right PVC glass is moulded W shape tongue-and-groove connection wallboard 54.
Claims (10)
1. the anticollision barrier of embedded with metal material comprises with wood and moulding or PVC or PP or PE or glass is moulded or elastomeric material is made guardrail and metal material in one kind, it is characterized in that: embedded with metal material in the W shape anti-collision protection fence plate.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: metal material is rectangle band steel or shaped steel or steel pipe or wire rope.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: two ripple anticollision barrier metal material are embedded in up and down in two boss, and three ripple anticollision barrier metal material are embedded in three boss of upper, middle and lower.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: the connection tongue-and-groove is established in the guardrail board end.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: guardrail board Surface Machining decorative pattern.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: guardrail board is moulded by many hot-extrudable strip wood or PVC or PP or PE or glass is moulded or elastomeric material compression molding or roll-forming.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: the vibration damping junction plate is established at the guardrail board rear portion, vibration damping junction plate two ends link to each other with adjacent guardrail board with bolt respectively, establish the strip hole on the gripper shoe between guardrail board and the vibration damping junction plate, bolt passes gripper shoe strip hole vibration damping junction plate and guardrail board is fixed together.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: add elastic caoutchouc particle or elastic resin particle or elastic caoutchouc fiber or elastic resin fiber in the guardrail board material.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: the guardrail board surface is coated with light-accumulating luminous UV lacquer.
According to claim 1 in the anticollision barrier of embedded with metal material, it is characterized in that: add the self-cleaning function material in the guardrail board material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101469398A CN101906760A (en) | 2009-06-08 | 2009-06-08 | Anti-collision guardrail with internally inlaid metal materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101469398A CN101906760A (en) | 2009-06-08 | 2009-06-08 | Anti-collision guardrail with internally inlaid metal materials |
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| CN101906760A true CN101906760A (en) | 2010-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101469398A Pending CN101906760A (en) | 2009-06-08 | 2009-06-08 | Anti-collision guardrail with internally inlaid metal materials |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493705A (en) * | 2011-12-06 | 2012-06-13 | 聂新华 | Refolded stayguy guard against theft pipe and manufacture method thereof |
| CN103013152A (en) * | 2012-11-30 | 2013-04-03 | 宜兴市华龙塑木新材料有限公司 | Steel wire plastic-wood |
| CN105568895A (en) * | 2014-10-10 | 2016-05-11 | 无锡梓昱安全用品科技有限公司 | Integrated noise-reduction protection plate |
| CN105568901A (en) * | 2014-10-10 | 2016-05-11 | 无锡梓昱安全用品科技有限公司 | Reinforcing plate used for security |
| CN106638385A (en) * | 2016-09-21 | 2017-05-10 | 东莞市联洲知识产权运营管理有限公司 | Reinforced road guard railing |
| CN106758968A (en) * | 2016-11-28 | 2017-05-31 | 四川省家伦再生资源科技有限公司 | Isolation strip |
| CN108004979A (en) * | 2017-11-08 | 2018-05-08 | 王筱文 | A kind of flexible protective plate |
| CN110183107A (en) * | 2019-05-30 | 2019-08-30 | 张学新 | A kind of production technology of high borosilicate heat-proof glass surface plugging wire |
| CN110512548A (en) * | 2019-09-11 | 2019-11-29 | 黄艳梅 | One kind being convenient for assembly type highway guardrail |
| CN110558754A (en) * | 2019-08-12 | 2019-12-13 | 温州医科大学 | End corner anti-collision protection assembly and application method thereof |
| CN114379112A (en) * | 2022-01-16 | 2022-04-22 | 华南农业大学 | Wood-plastic recombined bamboo multi-element composite building part with buffering part and manufacturing method |
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2009
- 2009-06-08 CN CN2009101469398A patent/CN101906760A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493705A (en) * | 2011-12-06 | 2012-06-13 | 聂新华 | Refolded stayguy guard against theft pipe and manufacture method thereof |
| CN102493705B (en) * | 2011-12-06 | 2014-07-23 | 聂新华 | Refolded stayguy guard against theft pipe and manufacture method thereof |
| CN103013152A (en) * | 2012-11-30 | 2013-04-03 | 宜兴市华龙塑木新材料有限公司 | Steel wire plastic-wood |
| CN103013152B (en) * | 2012-11-30 | 2015-06-17 | 宜兴市华龙塑木新材料有限公司 | Steel wire plastic-wood |
| CN105568895A (en) * | 2014-10-10 | 2016-05-11 | 无锡梓昱安全用品科技有限公司 | Integrated noise-reduction protection plate |
| CN105568901A (en) * | 2014-10-10 | 2016-05-11 | 无锡梓昱安全用品科技有限公司 | Reinforcing plate used for security |
| CN106638385A (en) * | 2016-09-21 | 2017-05-10 | 东莞市联洲知识产权运营管理有限公司 | Reinforced road guard railing |
| CN106638385B (en) * | 2016-09-21 | 2018-12-04 | 绍兴柯桥定基转移印花有限公司 | A kind of road guard-rail of reinforcement type |
| CN106758968A (en) * | 2016-11-28 | 2017-05-31 | 四川省家伦再生资源科技有限公司 | Isolation strip |
| CN108004979A (en) * | 2017-11-08 | 2018-05-08 | 王筱文 | A kind of flexible protective plate |
| CN110183107A (en) * | 2019-05-30 | 2019-08-30 | 张学新 | A kind of production technology of high borosilicate heat-proof glass surface plugging wire |
| CN110558754A (en) * | 2019-08-12 | 2019-12-13 | 温州医科大学 | End corner anti-collision protection assembly and application method thereof |
| CN110512548A (en) * | 2019-09-11 | 2019-11-29 | 黄艳梅 | One kind being convenient for assembly type highway guardrail |
| CN110512548B (en) * | 2019-09-11 | 2021-04-23 | 冠县盛世交通设施有限公司 | High-speed guardrail convenient to assemble |
| CN114379112A (en) * | 2022-01-16 | 2022-04-22 | 华南农业大学 | Wood-plastic recombined bamboo multi-element composite building part with buffering part and manufacturing method |
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Application publication date: 20101208 |