WO2012086927A1 - Safety boundary stone - Google Patents

Safety boundary stone Download PDF

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Publication number
WO2012086927A1
WO2012086927A1 PCT/KR2011/008789 KR2011008789W WO2012086927A1 WO 2012086927 A1 WO2012086927 A1 WO 2012086927A1 KR 2011008789 W KR2011008789 W KR 2011008789W WO 2012086927 A1 WO2012086927 A1 WO 2012086927A1
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WO
WIPO (PCT)
Prior art keywords
flexible
body portion
boundary stone
protrusion
safety boundary
Prior art date
Application number
PCT/KR2011/008789
Other languages
French (fr)
Korean (ko)
Inventor
박주룡
Original Assignee
Park Ju Ryong
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Park Ju Ryong filed Critical Park Ju Ryong
Priority to CN2011800558690A priority Critical patent/CN103270220A/en
Publication of WO2012086927A1 publication Critical patent/WO2012086927A1/en

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    • 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
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
    • 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
    • E01C5/00—Pavings made of prefabricated single units
    • E01C5/001—Pavings made of prefabricated single units on prefabricated supporting structures or prefabricated foundation elements except coverings made of layers of similar elements
    • 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
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
    • E01C11/222—Raised kerbs, e.g. for sidewalks ; Integrated or portable means for facilitating ascent or descent
    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • 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
    • E01C5/00—Pavings made of prefabricated single units
    • E01C5/22—Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials
    • E01C5/226—Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials having an upper layer of rubber, with or without inserts of other materials; with rubber inserts
    • 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
    • E01C2201/00—Paving elements
    • E01C2201/02—Paving elements having fixed spacing features
    • 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
    • E01C2201/00—Paving elements
    • E01C2201/10—Paving elements having build-in shock absorbing devices
    • 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
    • E01C2201/00—Paving elements
    • E01C2201/12—Paving elements vertically interlocking

Definitions

  • the present invention relates to a safety boundary stone, and more particularly, to a safety boundary stone installed near the boundary of a facility such as a playground such as a school or an apartment.
  • Playground facilities such as schools and apartments are provided with sand on the floor to prevent children from being injured, and boundary blocks are installed around the sand to prevent sand from being sprayed to other places.
  • the conventional boundary block is formed higher than the upper height of the sand is configured so that the sand does not cross the boundary block, the boundary block is mainly formed of cement material.
  • Recently used and soft material boundary block is mainly formed in a configuration in which the support pins are installed in the middle of each of the rectangular boundary block having an empty space formed therein.
  • the conventional soft boundary block is formed with a soft material as a whole, an empty space is formed therein, such that a problem such as shape change or breakage occurs when children are repeatedly stepped on and subjected to repeated loads. Done.
  • the technical problem of the present invention is to provide a safety boundary stone that can perform a safety function even when the entire material is not formed of a soft material like a conventional boundary block.
  • Another technical problem of the present invention is to provide a safety boundary stone that can be installed without inserting the support pin into the boundary block as in the prior art.
  • Another technical problem of the present invention is to provide a safety boundary stone that does not form an empty space inside the boundary block as in the prior art.
  • Safety boundary stone of the present invention for achieving the above technical problem is installed in the play facility, in the safety boundary stone partitioning the play space, the flexible portion 10 formed of a soft material; A body portion 20 coupled to the flexible portion 10 and a lower portion and formed of cement material; And bonding portion 30 for coupling between the flexible portion 10 and the body portion 20;
  • the flexible portion 10 is formed to include a space portion 13 near the center of the lower surface, the body portion 20 corresponds to the space portion 13 of the flexible portion 10 Protruding portion 22 is formed, and the bonding portion 30 is formed between the space portion 13 and the protruding portion 22 to combine the flexible portion 10 and the body portion 20. do.
  • the flexible portion 10 and the body portion 20 is formed in a bar shape of a rectangular shape long in one direction
  • the space portion 13 and the protrusion 22 is the flexible portion 10 And it is preferably formed along the longitudinal direction of the body portion 20.
  • the body portion 20 is formed to protrude in the vicinity of the center of the upper surface of the lower body 21 and the lower body 21 in the longitudinal direction of the lower body 21 in the shape of a rectangular bar shape.
  • the flexible part 10 is formed to include the upper part of the upper flexible plate 11 covering the upper surface of the protrusion 22, and the lower surface of the upper flexible plate 11 in both sides It may be formed to include a lower flexible plate 12 protruding and covering the center portion of the upper surface of the lower body (21).
  • the width 22a of the upper surface of the protrusion 22 is preferably formed between 30% and 70% of the width 11a of the upper surface of the upper flexible plate 11.
  • the thickness of the upper flexible plate 11 is preferably formed to a thickness of 15% to 40% of the total height of the safety boundary stone in consideration of the shock absorbing function and the coupling of the body portion 20.
  • the body portion 20 is formed of cement material and the soft portion 10 is formed of a soft material, it is safe to absorb shock even when the entire material is not formed of a soft material as in the conventional boundary block.
  • the function can be performed to reduce the production cost.
  • the present invention is inserted into the bottom surface of the play facility in the state in which the body portion 20 is formed of cement material to support the boundary position by its own load, so that the construction does not need to insert the support pin into the boundary block as in the prior art.
  • the construction cost is greatly reduced when the safety boundary stone is installed.
  • the empty space is not formed therein, so that the deformation of the shape is repeated even under repeated loads. There is no effect that the durability is improved than conventional.
  • FIG. 1 is an exploded perspective view of a safety boundary stone according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of the safety boundary stone shown in FIG.
  • Figure 3 is a cross-sectional view of the safety boundary stone shown in Figure 2 installed on the playground floor.
  • FIG. 1 is an exploded perspective view of a safety boundary stone according to an embodiment of the present invention.
  • Figure 2 is a perspective view of the safety boundary stone shown in Figure 1 coupled.
  • 3 is a cross-sectional view of the safety boundary stone shown in Figure 2 is installed on the floor of the playground.
  • the safety boundary stone is formed including a soft portion 10, a body portion 20, and a bonding portion 30.
  • the flexible part 10 is formed to include an upper flexible plate 11 and a lower flexible plate 12.
  • the upper flexible plate 11 is formed in a long flat plate shape in one direction, and covers the upper surface of the protrusion 22 formed in the body portion 20.
  • the lower flexible plate 12 is connected to the upper flexible plate 11 and formed integrally.
  • the lower flexible plate 12 is formed at both sides of the lower surface of the upper flexible plate 11 at the upper flexible plate 11. Is formed to protrude downward. Therefore, the upper flexible plate and the lower flexible plate 12 form a 'c' cross-sectional shape, and the space 13 is formed in the space between the lower flexible plate 12 among the lower spaces of the upper flexible plate 11. Done.
  • the lower flexible plate 12 is positioned in a state in which the lower surface covers the side of the upper surface of the lower body 21 to support the upper surface of the body portion 20.
  • the flexible part 10 is formed of a soft material, the material of the flexible part 10 may be formed of a shock absorbing material such as rubber, urethane, or sponge.
  • the flexible portion 10 is coupled to the upper portion of the body portion 20, it is formed of a shock absorbing material serves to absorb the load of the person when the body of the person touches.
  • the body portion 20 is formed to include a lower body 21 and the protrusion 22.
  • the body portion 20 is coupled to the flexible portion 10 and the lower portion, it is formed of a cement material.
  • At least a part of the lower body 21 is inserted into a sandy bottom provided in a play facility, and is formed in a bar shape having a rectangular shape having a long length in one direction.
  • the lower body 21 is formed to have a width larger than the width of the protrusion 22 to support the protrusion 22.
  • the protrusion 22 is integrally formed with the lower body 21 and protrudes from the center of the upper surface of the lower body 21.
  • Protruding portion 22 formed in the body portion 20 is coupled to the space portion 13 of the flexible portion 10 by improving the area between the flexible portion 10 and the body portion 20, the flexible portion 10 ) Serves to improve the coupling force between the body portion (20).
  • the body portion 20 is inserted into the bottom surface near the boundary of the play facility provided with sand, the body portion 20 is formed of cement material with a very high specific gravity, so that the external impact by its own load Receipt will not change location.
  • the bonding part 30 serves to couple the flexible part 10 and the body part 20 to fix the flexible part 10 so as not to be separated from the body part 20.
  • the bonding part 30 is formed in at least a portion of the portion where the space portion 13 of the flexible portion 10 and the protrusion 22 of the body portion 20 abut the flexible portion 10 and the body portion 20. Will be combined.
  • the bonding part 30 may be formed of a material such as silicon acetate sealant or a bond, but the material of the bonding part 30 is not limited in the present invention.
  • the flexible portion 10 of the safety boundary stone forms a space portion 13 near the center of the lower surface
  • the body portion 20 is the space portion of the flexible portion 10 ( 13 to form a protrusion 22 corresponding to it.
  • the bonding part 30 is formed between the space part 13 and the protrusion part 22 to couple the flexible part 10 and the body part 20.
  • the flexible portion 10 is combined with the body portion 20 in a state formed of a soft material to absorb the shock when the child falls and bumps
  • the body portion 20 is formed of cement material and the flexible portion 10 Since is formed of a soft material, it is possible to perform a safety function that absorbs shock even when the entire material is not formed of a soft material as in the conventional boundary block, thereby reducing the production cost.
  • the conventional boundary block is formed of a soft material of the overall structure, so that the material cost is increased, the production cost of about three times as much as the safety boundary stone of the present invention is consumed.
  • the body portion 20 is inserted into the bottom surface of the play facility in the state formed of a cement material to support the boundary position by its own load, it is possible to construct without the support pin inserted into the boundary block as in the prior art The construction cost is greatly reduced when the boundary stone is installed.
  • the flexible portion 10 and the body portion 20 is formed integrally by the combination of the two configurations, in this case, the flexible portion 10 and the body portion 20 is a conventional boundary block and the empty space is formed; Since the empty space is not formed otherwise, there is no deformation of the shape even under repeated loads and durability is improved.
  • the flexible portion 10 and the body portion 20 is formed in a bar shape of a rectangular shape long in one direction, which is formed by forming the flexible portion 10 and the body portion 20 long to align the safety boundary stone during construction This is to simplify the work.
  • the space portion 13 formed inside the flexible portion 10 and the protrusion 22 of the body portion 20 coupled to the space portion 13 are the flexible portion 10 and the body portion 20. Is formed along the longitudinal direction. This is because the space 13 and the protrusion 22 are formed long along the longitudinal direction of the flexible portion 10 and the body portion 20 to form a wider coupling area between the protrusion 22 and the flexible portion 10.
  • the flexible portion 10 is strongly coupled to the protrusion 22.
  • the width 22a of the upper surface of the protrusion 22 is preferably formed between 30% and 70% of the width 11a of the upper surface of the upper flexible plate 11. The reason for this is to maintain the coupling force of the flexible portion 10 and the body portion 20 to a predetermined value or more in a state in which the buffering force of the flexible portion 10 is maintained at a predetermined value or more.
  • the width 22a of the upper surface of the protrusion 22 is less than 30% of the width 11a of the upper surface of the upper flexible plate 11, the flexible portion 10 and the body portion 20 are formed.
  • the horizontal width (22a) of the upper surface of the protrusion 22 is the upper surface width of the upper flexible plate 11 ( When formed larger than 70% of 11a), the volume of the lower flexible plate 12 decreases, which causes a problem that the lateral impact absorbing force of the flexible portion 10 falls.
  • the thickness of the upper flexible plate 11 is the total height of the safety boundary stone in the state in which the flexible portion 10 and the body portion 20 is combined in consideration of the shock absorbing function and the coupling of the body portion 20. It is preferably formed in a thickness of between 15% and 40%.
  • the thickness of the upper flexible plate 11 is less than 15% of the total height of the safety boundary stone, the shock absorbing function falls off, there is a risk of a safety accident.
  • the thickness of the upper flexible plate 11 is greater than 40% of the total height of the safety boundary stone, the thickness of the upper flexible plate 11 becomes too thick and the bondability with the body portion 20 is reduced so that It may be less durable.
  • the shape of the flexible portion 10 and the body portion 20 is illustrated as being formed in a rectangular shape, the shape of the flexible portion 10 and the body portion 20 is a corner chamfered round
  • the shape for the beauty of the round shape, such as forming wrinkles on the outside is variable. That is, the shape of the flexible portion 10 and the body portion 20 in the present invention is not limited.
  • the present invention relates to a safety boundary stone, it can be widely used in the field of safety boundary stone is installed near the boundary of the facility, such as a playground, such as a school or apartment.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

The present invention relates to a safety boundary stone. The technical objective to be solved is to provide a safety boundary stone capable of carrying out a safety function even if the entire boundary stone is not formed with a soft material like a conventional boundary block. In order to achieve this, the safety boundary stone provided at play facilities to divide play areas comprises: a soft portion (10) made of a soft material; a body portion (20) made of a cement material, coupled to the lower portion of the soft portion (10); and a bonding portion (30) for coupling the soft portion (10) and the body portion (20). A space portion (13) is formed near the center of the lower surface of the soft portion (10), a protruded portion (22) corresponding to the space portion (13) of the soft portion (10) is formed at the body portion (20), and the bonding portion (30) is formed between the space portion (13) and the protruded portion (22) to couple the soft portion (10) and the body portion (20).

Description

안전 경계석Safety boundary stone
본 발명은 안전 경계석에 관한 것으로, 보다 상세하게는 학교나 아파트등의 놀이터와 같은 시설의 경계 부근에 설치되는 안전 경계석에 관한 것이다.The present invention relates to a safety boundary stone, and more particularly, to a safety boundary stone installed near the boundary of a facility such as a playground such as a school or an apartment.
학교나 아파트등의 놀이터 시설에는 어린이가 다치지 않도록 바닥에 모래가 구비되어 있으며, 이들 모래 주변에는 모래가 다른 곳으로 분사되지 않도록 경계 블록이 설치되어 있다.Playground facilities such as schools and apartments are provided with sand on the floor to prevent children from being injured, and boundary blocks are installed around the sand to prevent sand from being sprayed to other places.
이러한 종래의 경계 블록은 모래의 상부 높이보다 높게 형성되어 모래가 경계 블록을 넘지 않도록 구성되어 있는데, 경계 블록은 주로 시멘트 재질로 형성되어 있다.The conventional boundary block is formed higher than the upper height of the sand is configured so that the sand does not cross the boundary block, the boundary block is mainly formed of cement material.
그런데, 종래의 경계 블록이 설치된 놀이 시설을 이용하는 어린이들은 부주의로 인하여 경계 블록 근처에서 넘어지는 경우 매우 단단한 경계 블록에 다치는 경우가 발생하게 된다.By the way, children using a play facility equipped with a conventional boundary block may be injured by a very hard boundary block when inadvertently falling near the boundary block.
이를 위하여 최근에는 소프트한 재질의 경계 블록이 시멘트 경계 블록을 대체하고 있는 추세에 있다.To this end, in recent years, soft boundary blocks have been replaced by cement boundary blocks.
최근에 이용되고 소프트한 재질의 경계 블록은 주로 내부에 빈공간이 형성된 사각형 모양의 경계 블록의 중간 마다 지지핀을 설치하는 형태의 구성으로 형성된다.Recently used and soft material boundary block is mainly formed in a configuration in which the support pins are installed in the middle of each of the rectangular boundary block having an empty space formed therein.
하지만, 이러한 종래의 경계 블록은 전체 재질을 소프트한 재질로 만들어지기 때문에 가격이 매우 높은 문제가 있다.However, such a conventional boundary block has a problem that the price is very high because the entire material is made of a soft material.
더불어, 종래의 소프트한 경계 블록은 소프트한 재질의 블록 내부에 중간마다 구멍을 형성한 상태로 지지핀을 삽입하여야 하기 때문에 종래의 시멘트 블록에 비해 시공 절차가 번거로워 설치시에 시공에 관한 인건비가 증가하는 문제가 있다.In addition, in the conventional soft boundary block, since the support pin must be inserted with holes formed in the middle of the soft material block, the construction procedure is more cumbersome compared to the conventional cement block, thereby increasing the labor cost for installation. There is a problem.
또한, 종래의 소프트한 경계 블록은 전체가 소프트한 재질로 형성된 상태에서 내부에 빈공간이 형성되어 있으므로, 어린이들이 계속적으로 밟아 반복적인 하중을 받는 경우에 형상이 변경되거나 파손 되는등의 문제가 발생하게 된다.In addition, since the conventional soft boundary block is formed with a soft material as a whole, an empty space is formed therein, such that a problem such as shape change or breakage occurs when children are repeatedly stepped on and subjected to repeated loads. Done.
본 발명의 기술적 과제는 종래의 경계 블록과 같이 전체 재질을 소프트한 재질로 형성하지 않은 상태에서도 안전 기능을 수행할 수 있는 안전 경계석을 제공하는 데 있다.The technical problem of the present invention is to provide a safety boundary stone that can perform a safety function even when the entire material is not formed of a soft material like a conventional boundary block.
본 발명의 다른 기술적 과제는 종래와 같이 지지핀을 경계 블록에 삽입하지 않아도 시공이 가능한 안전 경계석을 제공하는 데 있다.Another technical problem of the present invention is to provide a safety boundary stone that can be installed without inserting the support pin into the boundary block as in the prior art.
본 발명의 또 다른 기술적 과제는 종래와 같이 경계 블록 내부에 빈 공간을 형성하지 않도록 하는 안전 경계석을 제공하는 데 있다.Another technical problem of the present invention is to provide a safety boundary stone that does not form an empty space inside the boundary block as in the prior art.
상기한 기술적 과제를 달성하기 위한 본 발명의 안전 경계석은 놀이 시설에 설치되어, 놀이 공간을 구획하는 안전 경계석에 있어서, 소프트한 재질로 형성되는 연성부(10); 상기 연성부(10)와 하부에 결합되며, 시멘트 재질로 형성되는 몸체부(20); 및 상기 연성부(10)와 상기 몸체부(20) 사이를 결합시키는 본딩부(30); 를 포함하여 형성되며, 상기 연성부(10)는 하부면의 중앙 부근에 공간부(13)를 형성하고, 상기 몸체부(20)는 상기 연성부(10)의 공간부(13)와 대응하는 돌출부(22)를 형성하며, 상기 본딩부(30)는 상기 공간부(13)와 상기 돌출부(22) 사이에 형성되어 상기 연성부(10)와 상기 몸체부(20)를 결합시키는 것을 특징으로 한다.Safety boundary stone of the present invention for achieving the above technical problem is installed in the play facility, in the safety boundary stone partitioning the play space, the flexible portion 10 formed of a soft material; A body portion 20 coupled to the flexible portion 10 and a lower portion and formed of cement material; And bonding portion 30 for coupling between the flexible portion 10 and the body portion 20; The flexible portion 10 is formed to include a space portion 13 near the center of the lower surface, the body portion 20 corresponds to the space portion 13 of the flexible portion 10 Protruding portion 22 is formed, and the bonding portion 30 is formed between the space portion 13 and the protruding portion 22 to combine the flexible portion 10 and the body portion 20. do.
이 경우, 상기 연성부(10)와 상기 몸체부(20)는 일 방향으로 긴 직사각체 형태의 바형상으로 형성되고, 상기 공간부(13)와 상기 돌출부(22)는 상기 연성부(10)와 상기 몸체부(20)의 길이 방향을 따라 형성되는 것이 바람직하다.In this case, the flexible portion 10 and the body portion 20 is formed in a bar shape of a rectangular shape long in one direction, the space portion 13 and the protrusion 22 is the flexible portion 10 And it is preferably formed along the longitudinal direction of the body portion 20.
또한, 상기 몸체부(20)는 직사각체 형태의 바형상으로 형성되는 하부 몸체(21) 및, 상기 하부 몸체(21)의 길이 방향으로 상기 하부 몸체(21)의 상부면 중앙 부근에서 돌출 형성되는 상기 돌출부(22)를 포함하여 형성되고, 상기 연성부(10)는 상기 돌출부(22)의 상부면을 덮는 상부 연성판(11)과, 상기 상부 연성판(11)의 하부면 가운데 양 측부에서 돌출되며 상기 하부 몸체(21)의 상부면 가운데 측부를 덮는 하부 연성판(12)을 포함하여 형성될 수 있다.In addition, the body portion 20 is formed to protrude in the vicinity of the center of the upper surface of the lower body 21 and the lower body 21 in the longitudinal direction of the lower body 21 in the shape of a rectangular bar shape. The flexible part 10 is formed to include the upper part of the upper flexible plate 11 covering the upper surface of the protrusion 22, and the lower surface of the upper flexible plate 11 in both sides It may be formed to include a lower flexible plate 12 protruding and covering the center portion of the upper surface of the lower body (21).
더불어, 상기 돌출부(22)의 상부면의 가로 폭(22a)은 상기 상부 연성판(11)의 상부면 가로폭(11a)의 30% 내지 70% 사이로 형성되는 것이 바람직하다.In addition, the width 22a of the upper surface of the protrusion 22 is preferably formed between 30% and 70% of the width 11a of the upper surface of the upper flexible plate 11.
또한, 상부 연성판(11)의 두께는 충격 흡수 기능과 몸체부(20)와의 결합성을 고려하여 안전 경계석의 전체 높이의 15% 내지 40% 사이의 두께로 형성되는 것이 바람직하다.In addition, the thickness of the upper flexible plate 11 is preferably formed to a thickness of 15% to 40% of the total height of the safety boundary stone in consideration of the shock absorbing function and the coupling of the body portion 20.
본 발명은 몸체부(20)가 시멘트 재질로 형성되고 연성부(10)가 소프트한 재질로 형성되므로, 종래의 경계 블록과 같이 전체 재질을 소프트한 재질로 형성하지 않은 상태에서도 충격을 흡수하는 안전 기능을 수행할 수 있어 생산 비용이 절감되는 효과가 있다.According to the present invention, since the body portion 20 is formed of cement material and the soft portion 10 is formed of a soft material, it is safe to absorb shock even when the entire material is not formed of a soft material as in the conventional boundary block. The function can be performed to reduce the production cost.
또한, 본 발명은 몸체부(20)가 시멘트 재질로 형성된 상태에서 놀이 시설의 바닥면에 삽입되어 자체 하중에 의해 경계 위치를 지지하게 되므로, 종래와 같이 지지핀을 경계 블록에 삽입하지 않아도 시공이 가능하여 안전 경계석 설치시에 시공비가 대폭으로 절감되는 효과가 있다.In addition, the present invention is inserted into the bottom surface of the play facility in the state in which the body portion 20 is formed of cement material to support the boundary position by its own load, so that the construction does not need to insert the support pin into the boundary block as in the prior art. As a result, the construction cost is greatly reduced when the safety boundary stone is installed.
또한, 본 발명은 연성부(10)와 몸체부(20)는 빈공간이 형성되는 종래의 경계 불럭과는 달리 내부에 빈 공간이 형성되지 않게 되므로, 반복적인 하중을 받은 경우에도 형상의 변형이 없어 종래보다 내구성이 향상되는 효과가 있다.In addition, in the present invention, unlike the conventional boundary block in which the hollow portion 10 and the body portion 20 are formed, the empty space is not formed therein, so that the deformation of the shape is repeated even under repeated loads. There is no effect that the durability is improved than conventional.
이상의 효과는 본 발명의 요지를 흐리지 않도록 간략하게 서술했으며, 본 발명을 실시하기 위한 구체적인 내용에서 더욱 상세하게 설명하기로 한다.The above effects have been briefly described so as not to obscure the gist of the present invention, and will be described in detail in the following detailed description.
도 1은 본 발명의 실시예에 따른 안전 경계석의 분해 사시도. 1 is an exploded perspective view of a safety boundary stone according to an embodiment of the present invention.
도 2는 도 1에 도시된 안전 경계석가 결합된 상태의 사시도. 2 is a perspective view of the safety boundary stone shown in FIG.
도 3는 도 2에 도시된 안전 경계석이 놀이시설 바닥면에 설치된 상태의 단면도.Figure 3 is a cross-sectional view of the safety boundary stone shown in Figure 2 installed on the playground floor.
이하, 첨부된 도면을 참조하여 본 발명에 따른 실시예를 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
이하에서는 본 발명의 실시예에 따른 안전 경계석의 구성들과, 안전 경계석 구성들의 결합 관계 및, 안전 경계석의 구성들의 역할에 대해 설명하기로 한다.Hereinafter, the configuration of the safety boundary stone according to an embodiment of the present invention, the coupling relationship between the safety boundary stone configuration, and the role of the configuration of the safety boundary stone will be described.
도 1은 본 발명의 실시예에 따른 안전 경계석의 분해 사시도이다. 도 2는 도 1에 도시된 안전 경계석가 결합된 상태의 사시도이다. 도 3는 도 2에 도시된 안전 경계석이 놀이시설 바닥면에 설치된 상태의 단면도이다.1 is an exploded perspective view of a safety boundary stone according to an embodiment of the present invention. Figure 2 is a perspective view of the safety boundary stone shown in Figure 1 coupled. 3 is a cross-sectional view of the safety boundary stone shown in Figure 2 is installed on the floor of the playground.
도 1 내지 도 3에 도시된 바와 같이 본 발명의 실시예에 따른 안전 경계석은 연성부(10), 몸체부(20) 및, 본딩부(30)를 포함하여 형성된다.As shown in Figures 1 to 3, the safety boundary stone according to an embodiment of the present invention is formed including a soft portion 10, a body portion 20, and a bonding portion 30.
상기 연성부(10)는 상부 연성판(11) 및, 하부 연성판(12)을 포함하여 형성된다.The flexible part 10 is formed to include an upper flexible plate 11 and a lower flexible plate 12.
상기 상부 연성판(11)은 일 방향으로 긴 평판 형상으로 형성되며, 몸체부(20)에 형성되는 돌출부(22)의 상부면을 덮는다.The upper flexible plate 11 is formed in a long flat plate shape in one direction, and covers the upper surface of the protrusion 22 formed in the body portion 20.
상기 하부 연성판(12)은 상부 연성판(11)과 연결되어 일체형으로 형성되는데, 이 경우, 하부 연성판(12)은 상부 연성판(11)의 하부면 가운데 양 측부에서 상부 연성판(11)의 하방으로 돌출되어 형성된다. 따라서, 상부 연상판과 하부 연성판(12)은 'ㄷ' 단면 형상을 형성하게 되며, 상부 연성판(11)의 하부 공간 가운데 하부 연성판(12)의 사이 공간에 공간부(13)를 형성하게 된다. 이 경우, 하부 연성판(12)은 하부면이 하부 몸체(21)의 상부면 가운데 측부를 덮게 되어 몸체부(20)의 상부면을 지지하는 상태로 위치하게 된다.The lower flexible plate 12 is connected to the upper flexible plate 11 and formed integrally. In this case, the lower flexible plate 12 is formed at both sides of the lower surface of the upper flexible plate 11 at the upper flexible plate 11. Is formed to protrude downward. Therefore, the upper flexible plate and the lower flexible plate 12 form a 'c' cross-sectional shape, and the space 13 is formed in the space between the lower flexible plate 12 among the lower spaces of the upper flexible plate 11. Done. In this case, the lower flexible plate 12 is positioned in a state in which the lower surface covers the side of the upper surface of the lower body 21 to support the upper surface of the body portion 20.
상기한 연성부(10)는 소프트한 재질로 형성되는데, 이러한 연성부(10)의 재질은 고무, 우레탄 또는, 스펀지와 같은 충격 흡수 재질로 형성될 수 있다. 여기서, 연성부(10)는 몸체부(20)의 상부에 결합되며, 충격 흡수 재질로 형성되어 사람의 신체가 닿는 경우에 사람의 하중을 흡수하는 역할을 한다.The flexible part 10 is formed of a soft material, the material of the flexible part 10 may be formed of a shock absorbing material such as rubber, urethane, or sponge. Here, the flexible portion 10 is coupled to the upper portion of the body portion 20, it is formed of a shock absorbing material serves to absorb the load of the person when the body of the person touches.
상기 몸체부(20)는 하부 몸체(21) 및 돌출부(22)를 포함하여 형성된다. 여기서, 몸체부(20)는 연성부(10)와 하부에 결합되며, 시멘트 재질로 형성된다. The body portion 20 is formed to include a lower body 21 and the protrusion 22. Here, the body portion 20 is coupled to the flexible portion 10 and the lower portion, it is formed of a cement material.
상기 하부 몸체(21)는 놀이시설에 구비되는 모래 바닥에 적어도 일부가 삽입되며, 일 방향으로 길이가 긴 형태의 직사각체 형태의 바형상으로 형성된다. 이 경우, 하부 몸체(21)는 돌출부(22)의 폭보다 큰 폭으로 형성되어 돌출부(22)를 지지하게 된다.At least a part of the lower body 21 is inserted into a sandy bottom provided in a play facility, and is formed in a bar shape having a rectangular shape having a long length in one direction. In this case, the lower body 21 is formed to have a width larger than the width of the protrusion 22 to support the protrusion 22.
상기 돌출부(22)는 하부 몸체(21)와 일체형으로 형성되며, 하부 몸체(21)의 상부면 중앙 부근에서 돌출 형성된다. 이러한 몸체부(20)에 형성되는 돌출부(22)는 연성부(10)의 공간부(13)와 결합하여 연성부(10)와 몸체부(20)간에 맞닿는 면적을 향상시킴으로써, 연성부(10)와 몸체부(20)간에 결합력을 향상시키는 역할을 한다.The protrusion 22 is integrally formed with the lower body 21 and protrudes from the center of the upper surface of the lower body 21. Protruding portion 22 formed in the body portion 20 is coupled to the space portion 13 of the flexible portion 10 by improving the area between the flexible portion 10 and the body portion 20, the flexible portion 10 ) Serves to improve the coupling force between the body portion (20).
상기한 몸체부(20)는 모래가 구비된 놀이 시설의 경계 부근 근처의 바닥면에 삽입 설치되는데, 몸체부(20)는 비중이 매우 놓은 시멘트 재질로 형성되어 자체적인 하중에 의해 외부의 충격을 받아도 위치가 변경되지 않게 된다.The body portion 20 is inserted into the bottom surface near the boundary of the play facility provided with sand, the body portion 20 is formed of cement material with a very high specific gravity, so that the external impact by its own load Receipt will not change location.
상기 본딩부(30)는 연성부(10)와 몸체부(20) 사이를 결합시켜 연성부(10)가 몸체부(20)에서 이탈되지 않도록 고정시키는 역할을 한다. 여기서, 본딩부(30)는 연성부(10)의 공간부(13)와 몸체부(20)의 돌출부(22)가 맞닿는 부위의 적어도 일부에 형성되어 연성부(10)와 몸체부(20)를 결합시키게 된다. 본 실시예의 경우, 본딩부(30)는 초산 실리콘 실란트 또는 본드와 같은 재질로 형성될 수 있으나, 본 발명에서 본딩부(30)의 재질을 한정하는 것을 아니다.The bonding part 30 serves to couple the flexible part 10 and the body part 20 to fix the flexible part 10 so as not to be separated from the body part 20. Here, the bonding part 30 is formed in at least a portion of the portion where the space portion 13 of the flexible portion 10 and the protrusion 22 of the body portion 20 abut the flexible portion 10 and the body portion 20. Will be combined. In the present embodiment, the bonding part 30 may be formed of a material such as silicon acetate sealant or a bond, but the material of the bonding part 30 is not limited in the present invention.
상기한 바와 같이 본 발명의 실시예에 따른 안전 경계석의 연성부(10)는 하부면의 중앙 부근에 공간부(13)를 형성하고, 몸체부(20)는 연성부(10)의 공간부(13)와 대응하는 돌출부(22)를 형성하게 된다. 이 경우, 본딩부(30)는 공간부(13)와 돌출부(22) 사이에 형성되어 연성부(10)와 몸체부(20)를 결합시키게 된다.As described above, the flexible portion 10 of the safety boundary stone according to the embodiment of the present invention forms a space portion 13 near the center of the lower surface, and the body portion 20 is the space portion of the flexible portion 10 ( 13 to form a protrusion 22 corresponding to it. In this case, the bonding part 30 is formed between the space part 13 and the protrusion part 22 to couple the flexible part 10 and the body part 20.
여기서, 연성부(10)는 소프트한 재질로 형성된 상태로 몸체부(20)와 결합하여 어린이가 넘어져 부딪히는 경우에 충격을 흡수하게 되는데 몸체부(20)는 시멘트 재질로 형성되고 연성부(10)는 소프트한 재질로 형성되므로, 종래의 경계 블록과 같이 전체 재질을 소프트한 재질로 형성하지 않은 상태에서도 충격을 흡수하는 안전 기능을 수행할 수 있어 생산 비용이 절감된다. 참고로, 종래의 경계 블록은 전체 구조의 재질이 소프트한 재질로 형성되어 재료 원가가 증가하게 되므로, 본 발명의 안전 경계석보다 3배정도의 생산 비용이 소모된다.Here, the flexible portion 10 is combined with the body portion 20 in a state formed of a soft material to absorb the shock when the child falls and bumps, the body portion 20 is formed of cement material and the flexible portion 10 Since is formed of a soft material, it is possible to perform a safety function that absorbs shock even when the entire material is not formed of a soft material as in the conventional boundary block, thereby reducing the production cost. For reference, the conventional boundary block is formed of a soft material of the overall structure, so that the material cost is increased, the production cost of about three times as much as the safety boundary stone of the present invention is consumed.
또한, 몸체부(20)는 시멘트 재질로 형성된 상태에서 놀이 시설의 바닥면에 삽입되어 자체 하중에 의해 경계 위치를 지지하게 되므로, 종래와 같이 지지핀을 경계 블록에 삽입하지 않아도 시공이 가능하여 안전 경계석 설치시에 시공비가 대폭으로 절감된다.In addition, the body portion 20 is inserted into the bottom surface of the play facility in the state formed of a cement material to support the boundary position by its own load, it is possible to construct without the support pin inserted into the boundary block as in the prior art The construction cost is greatly reduced when the boundary stone is installed.
또한, 연성부(10)와 몸체부(20)는 양 구성의 결합에 의해 일체형으로 형성되는데, 이 경우, 연성부(10)와 몸체부(20)는 빈공간이 형성되는 종래의 경계 불럭과는 달리 내부에 빈 공간이 형성되지 않게 되므로, 반복적인 하중을 받은 경우에도 형상의 변형이 없어 내구성이 향상된다.In addition, the flexible portion 10 and the body portion 20 is formed integrally by the combination of the two configurations, in this case, the flexible portion 10 and the body portion 20 is a conventional boundary block and the empty space is formed; Since the empty space is not formed otherwise, there is no deformation of the shape even under repeated loads and durability is improved.
한편, 연성부(10)와 몸체부(20)는 일 방향으로 긴 직사각체 형상의 바형상으로 형성되는데, 이는 연성부(10)와 몸체부(20)를 길게 형성하여 시공시 안전 경계석의 정렬 작업이 간단히 되도록 하기 위함이다. 이 경우, 연성부(10)의 내측에 형성되는 공간부(13)와, 공간부(13)와 결합되는 몸체부(20)의 돌출부(22)는 연성부(10)와 몸체부(20)의 길이 방향을 따라 형성된다. 이러한 이유는 연성부(10)와 몸체부(20)의 길이방향에 따라 공간부(13)와 돌출부(22)를 길게 형성하여 돌출부(22)와 연성부(10)간의 결합면적을 넓게 형성함으로써, 연성부(10)가 돌출부(22)에 강하게 결합하여 안전 경계석의 내구성을 향상시키기 위함이다.On the other hand, the flexible portion 10 and the body portion 20 is formed in a bar shape of a rectangular shape long in one direction, which is formed by forming the flexible portion 10 and the body portion 20 long to align the safety boundary stone during construction This is to simplify the work. In this case, the space portion 13 formed inside the flexible portion 10 and the protrusion 22 of the body portion 20 coupled to the space portion 13 are the flexible portion 10 and the body portion 20. Is formed along the longitudinal direction. This is because the space 13 and the protrusion 22 are formed long along the longitudinal direction of the flexible portion 10 and the body portion 20 to form a wider coupling area between the protrusion 22 and the flexible portion 10. In order to improve the durability of the safety boundary stone, the flexible portion 10 is strongly coupled to the protrusion 22.
다른 한편, 돌출부(22)의 상부면의 가로 폭(22a)은 상부 연성판(11)의 상부면 가로폭(11a)의 30% 내지 70% 사이로 형성되는 것이 바람직하다. 그 이유는 연성부(10)의 완충력을 일정값 이상 유지하는 상태에서 연성부(10)와 몸체부(20)의 결합력을 일정값 이상으로 유지시키기 위함이다. 여기서, 돌출부(22)의 상부면의 가로 폭(22a)은 상부 연성판(11)의 상부면 가로폭(11a)의 30% 미만으로 형성되는 경우에는 연성부(10)와 몸체부(20)의 결합 면적이 작아져 연성부(10)와 몸체부(20)간에 결합력이 떨어질 수 있으며, 돌출부(22)의 상부면의 가로 폭(22a)은 상부 연성판(11)의 상부면 가로폭(11a)의 70% 보다 크게 형성되는 경우에는 하부 연성판(12)의 용적이 작아져 연성부(10)의 측부 방향 충격 흡수력이 떨어지는 문제가 발생된다.On the other hand, the width 22a of the upper surface of the protrusion 22 is preferably formed between 30% and 70% of the width 11a of the upper surface of the upper flexible plate 11. The reason for this is to maintain the coupling force of the flexible portion 10 and the body portion 20 to a predetermined value or more in a state in which the buffering force of the flexible portion 10 is maintained at a predetermined value or more. Here, when the width 22a of the upper surface of the protrusion 22 is less than 30% of the width 11a of the upper surface of the upper flexible plate 11, the flexible portion 10 and the body portion 20 are formed. Coupling area of the smaller the coupling force between the flexible portion 10 and the body portion 20 can be reduced, the horizontal width (22a) of the upper surface of the protrusion 22 is the upper surface width of the upper flexible plate 11 ( When formed larger than 70% of 11a), the volume of the lower flexible plate 12 decreases, which causes a problem that the lateral impact absorbing force of the flexible portion 10 falls.
또 다른 한편, 상부 연성판(11)의 두께는 충격 흡수 기능과 몸체부(20)와의 결합성을 고려하여 연성부(10)와 몸체부(20)가 결합된 상태인 안전 경계석의 전체 높이의 15% 내지 40% 사이의 두께로 형성되는 것이 바람직하다. 여기서, 상부 연성판(11)의 두께는 안전 경계석의 전체 높이의 15%보다 적게 형성되는 경우, 충격 흡수 기능이 떨어져 안전 사고의 위험이 있다. 또한, 상부 연성판(11)의 두께는 안전 경계석의 전체 높이의 40%보다 크게 형성되는 경우, 상부 연성판(11)의 두께가 너무 두꺼워져 몸체부(20)와의 결합성이 떨어져 안전 경계석의 내구성이 떨어질 수 있다.On the other hand, the thickness of the upper flexible plate 11 is the total height of the safety boundary stone in the state in which the flexible portion 10 and the body portion 20 is combined in consideration of the shock absorbing function and the coupling of the body portion 20. It is preferably formed in a thickness of between 15% and 40%. Here, when the thickness of the upper flexible plate 11 is less than 15% of the total height of the safety boundary stone, the shock absorbing function falls off, there is a risk of a safety accident. In addition, when the thickness of the upper flexible plate 11 is greater than 40% of the total height of the safety boundary stone, the thickness of the upper flexible plate 11 becomes too thick and the bondability with the body portion 20 is reduced so that It may be less durable.
한편, 본 실시예에서 상기한 연성부(10)와 몸체부(20)의 형상을 직사각체 형상으로 형성되는 것으로 예시하였으니, 연성부(10)와 몸체부(20)의 형상은 모서리부가 둥근 모따기되어 둥근 형상이나, 외측에 주름부들을 형성되는등의 미려함을 위한 형상이 가변하다. 즉, 본 발명에서 연성부(10)와 몸체부(20)의 형상을 한정하는 것은 아니다.On the other hand, in the present embodiment, the shape of the flexible portion 10 and the body portion 20 is illustrated as being formed in a rectangular shape, the shape of the flexible portion 10 and the body portion 20 is a corner chamfered round The shape for the beauty of the round shape, such as forming wrinkles on the outside is variable. That is, the shape of the flexible portion 10 and the body portion 20 in the present invention is not limited.
이상의 실시예는 본 발명의 실용신안 등록청구범위를 실시하기 위한 하나의 예에 불과하므로, 본 발명의 실용신안 등록첨구범위를 한정하지 않는다.The above embodiment is only one example for implementing the utility model registration claims of the present invention, and does not limit the utility model registration claims of the present invention.
본 발명은 안전 경계석에 관한 것으로, 학교나 아파트등의 놀이터와 같은 시설의 경계 부근에 설치되는 안전 경계석 분야에 널리 이용될 수 있다. The present invention relates to a safety boundary stone, it can be widely used in the field of safety boundary stone is installed near the boundary of the facility, such as a playground, such as a school or apartment.

Claims (5)

  1. 놀이 시설에 설치되어, 놀이 공간을 구획하는 안전 경계석에 있어서,In the safe boundary seat which is installed in a play facility and partitions a play space,
    소프트한 재질로 형성되는 연성부(10);A flexible part 10 formed of a soft material;
    상기 연성부(10)와 하부에 결합되며, 시멘트 재질로 형성되는 몸체부(20); 및A body portion 20 coupled to the flexible portion 10 and a lower portion and formed of cement material; And
    상기 연성부(10)와 상기 몸체부(20) 사이를 결합시키는 본딩부(30); 를 포함하여 형성되며,Bonding unit 30 for coupling between the flexible portion 10 and the body portion 20; It is formed to include,
    상기 연성부(10)는 하부면의 중앙 부근에 공간부(13)를 형성하고, 상기 몸체부(20)는 상기 연성부(10)의 공간부(13)와 대응하는 돌출부(22)를 형성하며, 상기 본딩부(30)는 상기 공간부(13)와 상기 돌출부(22) 사이에 형성되어 상기 연성부(10)와 상기 몸체부(20)를 결합시키는 것을 특징으로 하는 안전 경계석.The flexible portion 10 forms a space portion 13 near the center of the lower surface, and the body portion 20 forms a protrusion 22 corresponding to the space portion 13 of the flexible portion 10. The bonding part 30 is formed between the space part 13 and the protruding part 22 so as to couple the soft part 10 and the body part 20 to the safety boundary stone.
  2. 제1항에 있어서,The method of claim 1,
    상기 연성부(10)와 상기 몸체부(20)는 일 방향으로 긴 바형상으로 형성되고,The flexible portion 10 and the body portion 20 is formed in a long bar shape in one direction,
    상기 공간부(13)와 상기 돌출부(22)는 상기 연성부(10)와 상기 몸체부(20)의 길이 방향을 따라 형성되는 것을 특징으로 하는 안전 경계석.The space portion (13) and the protrusion 22 is a safety boundary stone, characterized in that formed along the longitudinal direction of the flexible portion (10) and the body portion (20).
  3. 제1항에 있어서,The method of claim 1,
    상기 몸체부(20)는 바 형상으로 형성되는 하부 몸체(21) 및, 상기 하부 몸체(21)의 길이 방향으로 상기 하부 몸체(21)의 상부면 중앙 부근에서 돌출 형성되는 상기 돌출부(22)를 포함하여 형성되고,The body portion 20 has a lower body 21 formed in a bar shape, and the protrusion 22 protruding from the center of the upper surface of the lower body 21 in the longitudinal direction of the lower body 21. Formed, including
    상기 연성부(10)는 상기 돌출부(22)의 상부면을 덮는 상부 연성판(11)과, 상기 상부 연성판(11)의 하부면 가운데 양 측부에서 돌출되며 상기 하부 몸체(21)의 상부면 가운데 측부를 덮는 하부 연성판(12)을 포함하여 형성되는 것을 특징으로 하는 안전 경계석.The flexible portion 10 protrudes from both sides of the upper flexible plate 11 covering the upper surface of the protrusion 22 and the lower surface of the upper flexible plate 11 and the upper surface of the lower body 21. Safety boundary stone, characterized in that it comprises a lower flexible plate 12 covering the center side.
  4. 제3항에 있어서,The method of claim 3,
    상기 돌출부(22)의 상부면의 가로 폭(22a)은 상기 상부 연성판(11)의 상부면 가로폭(11a)의 30% 내지 70% 사이로 형성되는 것을 특징으로 하는 안전 경계석.Safety boundary stone, characterized in that the horizontal width (22a) of the upper surface of the protrusion 22 is formed between 30% and 70% of the upper surface width (11a) of the upper flexible plate (11).
  5. 제3항에 있어서,The method of claim 3,
    상기 상부 연성판(11)의 두께는 충격 흡수 기능과 몸체부(20)와의 결합성을 고려하여 상기 연성부(10)와 상기 몸체부(20)의 전체 높이의 15% 내지 40% 사이의 두께로 형성되는 것을 특징으로 하는 안전 경계석.The thickness of the upper flexible plate 11 is between 15% and 40% of the total height of the flexible portion 10 and the body portion 20 in consideration of the shock absorbing function and the coupling between the body portion 20. Safety boundary stone, characterized in that formed by.
PCT/KR2011/008789 2010-12-21 2011-11-17 Safety boundary stone WO2012086927A1 (en)

Priority Applications (1)

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KR20-2010-0013235 2010-12-21
KR2020100013235U KR200465970Y1 (en) 2010-12-21 2010-12-21 Safety fence block

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