KR20170091380A - Overspeed preventing system for children protection zone - Google Patents

Overspeed preventing system for children protection zone Download PDF

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Publication number
KR20170091380A
KR20170091380A KR1020160012305A KR20160012305A KR20170091380A KR 20170091380 A KR20170091380 A KR 20170091380A KR 1020160012305 A KR1020160012305 A KR 1020160012305A KR 20160012305 A KR20160012305 A KR 20160012305A KR 20170091380 A KR20170091380 A KR 20170091380A
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KR
South Korea
Prior art keywords
layer
packaging material
resin
character design
protection zone
Prior art date
Application number
KR1020160012305A
Other languages
Korean (ko)
Inventor
신계호
신진수
박복순
Original Assignee
신계호
박복순
신진수
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Application filed by 신계호, 박복순, 신진수 filed Critical 신계호
Priority to KR1020160012305A priority Critical patent/KR20170091380A/en
Publication of KR20170091380A publication Critical patent/KR20170091380A/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • C09D7/04—
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/351—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively hydraulical binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively hydraulic binders
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

Disclosed is an anti-skid and protection film installation structure for a children protection zone. According to the present invention, the anti-skid and protection film installation structure is installed in a road surface within a children protection zone with a three-dimensional character design. Accordingly, a speed bump function to prevent over-speed of a vehicle in the children protection zone is realized. In addition, the anti-skid and protection film installation structure is highly visible during daytime and nighttime such that a driver is able to exhibit instinct of self-protection to automatically drive at low speeds in the children protection zone; thereby capable of preventing accidents on children in the children protection zone.

Description

{Overspeed preventing system for children protection zone}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slip prevention and protection film installation structure installed on a road surface of a child protection zone and more particularly to a slip prevention and protection film of a three- Speed braking function to prevent overspeed, and enables the driver to automatically induce low-speed driving in the child protection zone by inducing self-defense instinct for objects regardless of day or night while increasing visibility Slip prevention and protection film installation structure.

In general, the slip prevention facility is installed in order to prevent slippage in a case where a short braking distance is required due to poor linearity or sighting of the road, and the slip prevention facility is provided with a slip- It has the effect of preventing the driver from drowning and concentrating his attention due to its installation structure.

In order to prevent overspeed in areas with high risk of traffic accidents due to overspeed driving of the vehicle, the speeding jaw is installed as an obstacle. This facility improves the safety of pedestrians on the road where the pedestrian is the subject, In order to prevent the speeding up of the vehicle in order to create a residential area environment, most of the roads are provided with legal speed by the Road Traffic Act. As a reminder, we are limiting the maximum speed.

Especially, I know that it is very dangerous if you do not travel at a low speed on the roads where accessibility is the main focus, such as areas where moving is not the most important and where residential areas are concentrated. Therefore, irrespective of the size of the road, the speed limit is set at 30 km / h or 40 km / h, and traffic safety signs are installed, but very few drivers keep it properly. For this reason, speeding brakes must be one of the necessary evil or unnecessary good because it is an obstacle that cars can not speed up.

Meanwhile, the above-mentioned non-slip device or speed braking device is mainly installed in the vicinity of the school, which is a child protection zone where a speed limit sign or a sign is installed. This is to protect the children by inducing the vehicle to slow down around the school.

However, since the surface of the anti-slip device or the speed limiter installed in the child protection area is marked in red, the driver can expect the effect of preventing speeding during the day by driving the driver in the daytime. However, This is a difficulty.

Another problem is that when the night discrimination power of the speed limiter is lowered, the vehicle can not reduce the speed while not recognizing the speed limiter, and often gives a shock to the vehicle when passing through the speed limiter.

Another problem is that the characters such as the speed limit sign and the child protection area displayed on the road have a disadvantage that they are unintentionally passed to the driver, and child traffic accidents due to the vehicle frequently occur in the child protection area.

Registration Utility Model Bulletin No. 20-0355830 (Registered on July 1, 2004)

Published Japanese Patent Application No. 10-2004-0075539 (published on Aug. 30, 2004)

Registration Practical Utility Model No. 20-0399107 (Registered on October 12, 2005)

Patent Registration No. 10-1083285 (2011.11.08)

Japanese Patent Application Laid-Open No. 10-2013-0047094 (Publication date 2013.05.08)

Patent Registration No. 10-1538915 (registered on July 17, 2015)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an anti-slip device for preventing a vehicle overspeed in a child protection area by providing a three- Slip prevention and protection structure that enables the driver to automatically induce low-speed driving in the child protection area by inducing the self-defense instinct for the object by increasing the visibility regardless of the daytime or nighttime while enhancing visibility The purpose of that is to provide.

In order to achieve the above object, the present invention provides a non-slip and protective film installation structure of a child protection zone, comprising a character design layer formed by packing a road material in a child protection zone with a packaging material having a high color, And the character design layer has a three-dimensional effect as a concave-convex effect, and the thickness of the packaging layer is set so as to realize the overspeed prevention function, And has a different thickness.

In addition, the character design layer includes a frame portion that forms an outline along the shape of an object, and a packaging material that is filled with various colors in a divided region defined by the frame portion.

When the retroreflective layer is applied on the packaging material filled in the divided area in the rim, the height of the retroreflective layer is set to be higher than the height of the rim Is not exceeded.

In addition, the character design layer formed by the packaging material protrudes in the form of being stacked on the face of the character of the character designed to realize the overspeed prevention function while making a three-dimensional sense.

In addition, the packaging material may include a filler selected from the group consisting of EVA (Ethylene Vinyl Acetate), petroleum resin, plasticizer DOP (Dioctyl phthalate), P wax, Calciun carbonate and limestone, And an aggregate selected from the group consisting of pigments, ceramics, and quartz sand for expressing distinction hues with roads so as to facilitate identification.

In addition, the packaging material is composed of 40 to 60 wt% of a silica sand for improving sliding resistance and abrasion resistance, 22 to 50 wt% of a polyamide resin having a main function as a binder capable of being softened and deformed by heating, By weight of a thermoplastic resin comprising 40 to 40% by weight of a rosin ester resin and 65 to 10% by weight of a rosin ester resin, an epoxy resin having a main function as a physical property reinforcing binder which is hardened by heating even after being cured and hardened by heating, 15 to 3 wt% of one kind of thermosetting resin selected from resin and acrylic resin and modified epoxy resin, 3 to 1 wt% of polyethylene wax as an additive for improving surface oxidation and flow resistance, 15 to 5% by weight of calcium carbonate and 4 to 1% by weight of pigment for expressing distinction hue between the roads so as to be visually distinguished .

In addition, the retroreflective layer may include a ball-shaped core, a plurality of ball-shaped shell beads having a diameter smaller than that of the core and fixed to the outer surface of the core, the shell beads having a refractive index of 1.5 or more, And a protective coating layer applied to the outer side of the composite composed of the core and the shell beads to fill the void due to the non-adhesion separation between the shell beads.

Further, the surface of the phosphorescent paint or the retroreflective layer is coated with a protective layer having a dirt-proofing effect so that the durability is maintained for a long period of time.

The protective layer, which is coated on the packaging material with a top layer to prevent the release and contamination of the phosphorescent pigment and the retroreflective layer, is coated with a transparent coating layer made of acrylic urethane or polyurea.

The protective layer is also excellent in durability, abrasion resistance and heat resistance, and has a balance of tensile strength and elongation (elongation ratio) for minimizing cracking, and absorbs moisture such as rainwater to evaporate moisture during the rise of the package in summer Can be coated with materials including methyl methacrylate resin, polyamide hardener, diatomaceous earth and silica sand to prevent the heat island phenomenon by reducing the temperature rise of the packaging material due to latent heat of vaporization.

As such, the present invention provides a slip prevention and protection film of a three-dimensional character design on a road surface in a child protection zone, thereby implementing a speed braking function to prevent vehicle overspeeding in a child protection zone, It is possible to expect the effect of preventing children's traffic accidents in the children's protection area by inducing the driver to self-defense instinct for objects by raising the visibility regardless of the nighttime, thereby automatically inducing the vehicle low- .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view of an anti-slip and protective film installation structure of a child protection zone in accordance with an embodiment of the present invention. FIG.
2 is a schematic cross-sectional view showing a coating thickness of a character design layer according to an embodiment of the present invention.
3 to 5 are photographs showing an installation state of a child restraint preventing structure and a protective film installation structure according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view of an anti-slip structure and a protective film installation structure of a child protection zone according to an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view showing a coating thickness of a character design layer according to an embodiment of the present invention, 5 is a photograph showing an installation state of a child restraint preventing structure and a protective film installation structure according to an embodiment of the present invention.

Referring to FIGS. 1 to 5, the anti-slip and protective film installation structure of the child protection zone according to the embodiment of the present invention includes a character design layer 10 and a retroreflective layer 20.

3 and 4, the character design layer 10 has a character design such as a turtle, a dog, and the like. The character design has a color with high visibility on the road surface 100 in a child protection zone Is formed by being wrapped with a packaging material (12).

That is, the character design layer 10 is designed such that a character such as a turtle or a dog is conspicuously visible on a road surface 100 in a child protection zone around a school where elementary and junior high school students go to and from school, By packing the packaging material in the divided areas of the designed character, the driver and the pedestrian are made more visible, and it is advantageous for emphasizing the characteristics of the child protection zone, and the educational environment can be provided.

2, the character design layer 10 has a thickness d1 and a thickness d3 different from each other in thickness so as to realize an overspeed protection function with a three-dimensional effect as a concavo-convex effect, So as to induce the driver to drive at a low speed in the child protection area while providing the effect that the design of the character stays in front of the character when the driver passes the character design layer 10, To induce self-defensive instinct to objects, and to induce low-speed operation automatically.

The character design layer 10 includes a frame 11 that forms an outline along the shape of an object and a packaging material that is packed in various colors in a divided region defined by the frame 11 , And a top surface of the packaging material filled with one or more hues that is filled in the dividing region separated from the rim portion (11) is further provided with a core in the form of a ball and a core having a diameter smaller than that of the core A plurality of shell-shaped shell beads having a refractive index of not less than 1.5 to be fixed to the outer surface of the shell beads and a shell beads coated on the outer surface of the shell and beads to fill voids due to non- (A glass bead or a crushed synthetic resin powder) containing a protective coating layer, And to construct safety markers in one piece.

In the above description, the packaging thickness is limited to d1 and d2. However, the number of variations in the packaging thickness may vary depending on the character design.

That is, the height of the rim portion 11 is set to be higher than the height of the packaging material 12 filled in the divided region, and the height of the rim portion 11 is set higher than the height of the packaging material 12 filled in the divided region, The height of the retroreflective layer 20 does not exceed the height of the rim portion 11 while the character design layer 10 formed by the packaging material 12 has a three- The nose and ear features of the character designed for the implementation of the speeding-up bite function are projected in a form stacked on the face.

The packaging material 12 to be packaged on the road surface 100 to form the character design layer 10 may be made of EVA (Ethylene Vinyl Acetate), petroleum resin, DOP (Dioctyl phthalate) as a plasticizer, , Fillers selected from the group consisting of P wax, Calciun carbonate and limestone, pigments for expressing distinguishable colors from the road for easy visual identification, ceramics and quartz sand And the like.

The packaging material 12 may further comprise 40 to 60 wt% of a silica sand for improving the sliding resistance and abrasion resistance, 22 to 50 wt% of a polyamide resin having a main function as a binder which is softened and deformed when heated and has a main function as a binder, 23 to 30 wt% of a thermoplastic resin consisting of 13 to 40 wt% of styrene and 65 to 10 wt% of a rosin ester resin, and an epoxy resin having a main function as a binder for physical properties which is hardened by heating even after being cured, 15 to 3 wt% of one kind of thermosetting resin selected from resin, urethane resin and acrylic resin and modified epoxy resin, 3 to 1 wt% of polyethylene wax as an additive for improving surface oxidation and flowability, and strength and durability 15 to 5 wt% of calcium carbonate as a filler for making the pigment, and 4 to 1 wt% of pigments for expressing distinguishing color of the road so as to be visually distinguishable, It can be made.

When the silica sand is added in an amount of less than 40 wt%, the sliding resistance and the abrasion resistance are decreased. When the silica sand is added in an amount of 60 wt% or more, the silica sand is detached from the road surface, To 60 wt%, and it has been confirmed that the silica sand improves the sliding resistance and abrasion resistance when used within the range of No. 3 to No. 7.

When the amount of the thermoplastic resin is less than 23 wt%, the adhesive strength and durability of the product are lowered. When the amount of the thermoplastic resin is more than 30 wt%, cracks may occur due to the increase of hardness and the decrease of flexibility. It is preferable to inject it within the range of.

The thermosetting resin is selected from an epoxy resin, a urethane resin, an acrylic resin and a modified epoxy resin. When the amount is less than 3 wt%, the adhesion force and durability of the antislip agent are deteriorated. When the amount is more than 15 wt% And cracks may occur in the product due to deterioration. Therefore, it is preferable to add the product within the range of 15 to 3 wt%.

Polyethylene wax is used as the additive. When the additive is added in an amount of less than 1 wt%, the surface oxidation preventing function may be deteriorated. When the additive is added in an amount of more than 3 wt%, blooming may occur on the surface, 3 to 1 wt%.

Calcium carbonate (CaCo 3) is used as the filler. Durability and abrasion are reduced when added at less than 5 wt%, and degradation and cracking may occur at 15 wt% It is preferable to inject it.

When the pigment is added in the range of 4 ~ 1 wt%, the physical properties of the product are not affected, and almost all desired colors can be expressed.

Herein, the thermoplastic resin is composed of 22 to 50 wt% of a polyamide resin, which is a material for imparting the main function of adhesion, and 13 to 50 wt% of styrene butadiene styrene (SBS) for reinforcing physical properties such as flexibility and impact resistance. , And 65 to 10 wt% of a rosin ester resin (Rosin Ester Resin).

When the polyamide resin is added in an amount of less than 22 wt%, adhesion force and durability of the anti-slip agent are lowered. When the polyamide resin is added in an amount of 50 wt% or more, cracks may occur in the product, and it is preferably added in the range of 22 to 50 wt%.

When the content of the styrene butadiene styrene (SBS) is less than 13 wt%, the flexibility of the anti-slip agent is decreased. When the content of the styrene butadiene styrene (SBS) is more than 40 wt%, the flexibility is increased to decrease the strength of the product. desirable.

When the rosin ester resin is added in an amount of less than 10 wt%, adhesion force and durability of the anti-slip agent are lowered. When 65 wt% or more of the rosin ester resin is added, cracks may occur in the product, so that it is preferably added in the range of 65 to 10 wt%.

The retroreflective layer 20 is formed by applying a predetermined thickness on the surface of the character design layer 10 and reflects the light of the headlamp of the vehicle to emit light so that the driver of the vehicle So that the character design layer 10 can be easily identified to automatically induce slowing of the vehicle.

At this time, the retroreflective layer 20 includes a ball-shaped core and a plurality of ball-shaped shell beads having a diameter smaller than that of the core and fixed to the outer surface of the core, the refractive index being 1.5 or more. And a composite of the core and the shell bead to fill the gap due to the non-adhesion separation between the shell beads.

In addition, the upper surface of the packaging material 12 may be coated with a phosphorescent paint that absorbs sunlight during the daytime or light of a headlight of a night driving vehicle and emits light at night. On the packaging material 12, The protective layer 30 is preferably coated with a transparent layer made of acrylic urethane or polyurea. The protective layer 30 is formed of a transparent material such as acrylic urethane or polyurea. The protective layer 30 is coated with an upper layer to prevent separation and contamination of the phosphorescent material and the retroreflective layer. will be.

The protection layer 30 provides a dirt prevention effect so that the durability of the character design layer 10 is maintained even after a lapse of time. On the other hand, even if partial damage occurs in the character design layer 10, So that local repair or reinforcement can be performed promptly based on the outline of the outer casing 10.

The protective layer 30 is excellent in durability, abrasion resistance, and heat resistance, and has a balance of tensile strength and elongation (elongation ratio) for minimizing cracks, absorbs moisture such as rainwater, A material including a methyl methacrylate resin, a polyamide hardener, and diatomaceous earth and silica sand may be applied to prevent the heat island phenomenon by reducing the temperature rise of the packaging material due to latent heat of vaporization through evaporation of moisture.

As shown in FIGS. 1 to 5, the anti-slip and protective film installation structure of the child protection zone according to the embodiment of the present invention includes a rim 11 And then the packaging material 12 is applied to the divided area in the rim 11 to form the character design layer 10.

At this time, the features such as the nose and the ears of the character designed as different thicknesses capable of realizing the speeding-up preventing chin function and the anti-slip function while enhancing the visibility of the character design layer 10 on the road surface 100, The character design layer 10 is formed with the retroreflective layer 20 and / or the phosphorescent paint layer and the protective layer 30 in this order.

The height of the rim portion 11 is set to be higher than the height of the packaging material 12 filled in the divided region and the height of the rim portion 11 is set to be higher than the height of the packaging material 12 filled in the divided region, The height of the retroreflective layer 20 does not exceed the height of the rim portion 11 when the reflective layer 20 is applied.

In this way, it can be expected that the effect of reducing traffic accidents in children is greatly reduced in the children's protection area while inducing the speed of the vehicle to be lower in the child protection zone and increasing the visibility regardless of the week or the night.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that such changes and modifications are within the scope of the claims.

10; Character design layer
11; Rim
12; Packing material
20; Retroreflective layer
30; Protective layer
100; Road surface

Claims (10)

A character design layer is formed by packing the road surface in the child protection zone with a packaging material having a high visibility color,
A phosphorescent paint and a retroreflective layer are selectively or complexly formed on the surface of the character design layer so as to absorb light and emit light at night,
Characterized in that the character design layer is configured such that the pavement thickness of the character design layer has different thicknesses so as to realize the overspeed preventing chin function while having a stereoscopic effect as the concavo-convex effect. [2] The apparatus of claim 1, wherein the character design layer includes a frame portion that forms an outline along a shape of an object, and a packaging material that is filled with various colors in a divided region defined by the frame portion Non-slip and shroud-mounted structures in child protection areas. The packaging material as claimed in claim 2, wherein a height of the rim portion is higher than a height of a packaging material filled in the divided region, and when the retroreflective layer is applied on the packaging material filled in the divided region in the rim portion, Wherein a height of the rim portion is not exceeded. ≪ RTI ID = 0.0 > 15. < / RTI > [3] The method of claim 1, wherein the character design layer formed by the packaging material protrudes in the form of being stacked on the face of the character of the character designed to realize the overspeed protection function while making the three- Non-slip and shroud-mounted structures in child protection areas. 3. The method according to claim 1 or 2,
The packaging material
Fillers selected from the group consisting of EVA (Ethylene Vinyl Acetate), petroleum resin, DOP (Dioctyl phthalate), P wax, Calciun carbonate and limestone as adhesives, And an aggregate selected from the group consisting of pigments, ceramics, and quartz sand for expressing distinction hues with respect to the color of the screen. 3. The method according to claim 1 or 2,
In the packaging material,
A polyamide resin having a main function as a binder, which is softened by heating and deformable, 22 to 50 wt% of styrene butadiene styrene, 13 to 40 wt% of rosin ester resin Urethane resin and acrylic resin having a main function as a binder for reinforcing physical properties which is softened even when heated and hardly dissolved in a solvent after being cured by heating and hardened by heating, 15 to 3 wt% of one kind of thermosetting resin selected from the group consisting of epoxy resin, epoxy resin and epoxy resin, 3 to 1 wt% of polyethylene wax as an additive for improving surface oxidation and flow resistance, 15 to 5 wt% of calcium carbonate as a filler for improving strength and durability % And 4 to 1 wt% of pigment for expressing distinction hue between the road and the road so as to be easily visually distinguished Child protection and anti-slip protective structures installed in zones that. The method according to claim 1,
Wherein the retroreflective layer comprises: a ball-shaped core; a plurality of spherical shell beads having a diameter smaller than that of the core and fixed to the outer surface of the core, the shell beads having a refractive index of 1.5 or more; And a protective coating layer applied to the outer side of the composite composed of the shell and the shell beads to fill the void caused by the non-adhesive spacing between the shell beads. Installation structure. The method according to claim 1,
Characterized in that the surface of the phosphorescent paint or the retroreflective layer is coated with a protective layer having a dirt-proofing effect so as to maintain durability for a long period of time. 9. The method of claim 8,
Characterized in that the protective layer is coated with a top layer on the packaging material to prevent the release and contamination of the phosphorescent pigment and the retroreflective layer from being coated with a transparent coating layer of acrylic urethane or polyurea. structure. 9. The method of claim 8,
The protective layer is excellent in durability, abrasion resistance and heat resistance, and has a balance of tensile strength and elongation (elongation ratio) for minimizing cracking, and absorbs moisture such as rainwater to evaporate moisture Characterized in that a material including a methyl methacrylate resin, a polyamide hardener, and diatomaceous earth and silica sand is applied to prevent a heat island phenomenon by reducing the temperature rise of the packaging material due to latent heat of vaporization, And a protective membrane installation structure.
KR1020160012305A 2016-02-01 2016-02-01 Overspeed preventing system for children protection zone KR20170091380A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108277713A (en) * 2018-01-25 2018-07-13 梁海平 The roadbed laying structure and construction method extended for highway
CN108914737A (en) * 2018-06-10 2018-11-30 重庆诚邦路面材料有限公司 A kind of fine antiskid wearing layer of cement pavement EAP and construction method
CN109749205A (en) * 2019-01-15 2019-05-14 北京万邦达环保技术股份有限公司 A kind of extinction fever ball and its preparation method and application
KR20220134697A (en) * 2021-03-25 2022-10-05 허서윤 Noctilucence bead mixture having phosphorescence and rerto-reflection function and thereof manufacturing method and packing method of thin-layered noctilucence road using the same
KR20220134698A (en) * 2021-03-25 2022-10-05 황익현 Scenic road paving materials improved heat-shielding having rerto-reflection function and thereof manufacturing method and method for paving scenic road using the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108277713A (en) * 2018-01-25 2018-07-13 梁海平 The roadbed laying structure and construction method extended for highway
CN108914737A (en) * 2018-06-10 2018-11-30 重庆诚邦路面材料有限公司 A kind of fine antiskid wearing layer of cement pavement EAP and construction method
CN109749205A (en) * 2019-01-15 2019-05-14 北京万邦达环保技术股份有限公司 A kind of extinction fever ball and its preparation method and application
KR20220134697A (en) * 2021-03-25 2022-10-05 허서윤 Noctilucence bead mixture having phosphorescence and rerto-reflection function and thereof manufacturing method and packing method of thin-layered noctilucence road using the same
KR20220134698A (en) * 2021-03-25 2022-10-05 황익현 Scenic road paving materials improved heat-shielding having rerto-reflection function and thereof manufacturing method and method for paving scenic road using the same

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