KR20110132722A - Safety net with raschel knit for construction - Google Patents

Safety net with raschel knit for construction Download PDF

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KR20110132722A
KR20110132722A KR1020100052205A KR20100052205A KR20110132722A KR 20110132722 A KR20110132722 A KR 20110132722A KR 1020100052205 A KR1020100052205 A KR 1020100052205A KR 20100052205 A KR20100052205 A KR 20100052205A KR 20110132722 A KR20110132722 A KR 20110132722A
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South Korea
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horizontal connecting
yarns
yarn
flame retardant
weight
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KR1020100052205A
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Korean (ko)
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KR101229800B1 (en
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강백구
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강백구
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3266—Safety nets
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2507/00—Sport; Military
    • D10B2507/02—Nets

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Artificial Filaments (AREA)

Abstract

PURPOSE: A protection net with raschel knits for construction is provided to improve corrosion-resistance using a bromine-based flame-retardant material. CONSTITUTION: A protection net(1) with raschel knits for construction comprises multiple first horizontal connection yarns(20), second horizontal connection yarns(30), and vertical connection yarns(10). The first horizontal connection yarns are formed by arranging polypropylene multifilament yarns in a zigzag shape. The second horizontal connection yarns are arranged to be symmetrical to the first horizontal connection yarns. The vertical connection yarns weave the crossed parts of the first and second horizontal connection yarns.

Description

건축용 라셀편직물 보호망{Safety Net with Raschel Knit for Construction}Safety Net with Raschel Knit for Construction

본 발명은 건축 공사장에서 발생하는 각종 분진이나 작업 중에 발생하는 자재 등의 외부추락을 방지하고 공사현장을 외부와 차단하여 안전한 건축 공사가 이루어지게 하기 위한 보호망에 관한 것이다.The present invention relates to a protection net for preventing the external fall of various dust generated in the construction site or materials generated during work, and blocking the construction site from the outside to make a safe construction work.

건설공사현장에서 각재, 판재, 공구류 등과 같은 낙하물로부터 행인을 보호하고, 고소에서 작업중인 근로자의 추락으로 발생하는 안전사고를 방지하기 위하여 건물 축조 시 외측에 비스듬히 또는 수평으로 보호망이 설치된다. In order to protect passers-by from falling objects such as lumber, plate, and tools at construction sites, and to prevent safety accidents caused by the falling of workers working at a height, protection nets are installed on the outside at an angle or horizontally.

이러한 건축용 보호망은 물건의 낙하 또는 추락에 의해 방망이 찢어지지 않을 정도의 인장강도를 지녀야 하며 충격을 흡수하기에 충분한 신축성을 가져야 한다.These building protection nets must have a tensile strength such that the bat cannot be torn by falling or falling objects and must be elastic enough to absorb impacts.

종래 건축현장에서 설치되는 건축용 보호망은 P.V.C코팅망, 폴리에틸렌 섬유 또는 폴리프로필렌 섬유로 이루어진 소재를 사용하여 제조되었다. Construction protective nets installed in the conventional construction site was manufactured using a material consisting of P.V.C coating net, polyethylene fiber or polypropylene fiber.

이 중 폴리프로필렌 섬유의 경우, 화재확산방지를 위해 방염처리가공을 통해 방염성능을 부여하게 되는데, 이때 사용되는 방염처리조성물에는 일반적으로 난연제가 포함되게 된다. In the case of polypropylene fibers, flame retardant performance is given through flame retardant processing to prevent fire diffusion, and the flame retardant composition used here generally includes a flame retardant.

기존의 방염처리조성물에 사용되는 난연제로는 브롬계 난연제가 주로 사용되었으며, 이를 통해 제조된 폴리프로필렌 소재 안전보호망은 자외선에 의한 부식이 발생하여 자외선(햇볕)에 장시간 노출될 경우 인장강도가 급격히 저하되기 때문에 공사현장에 설치 시 낙하 및 추락에 의한 인명사고 위험이 증가되는 문제점이 있었다.Bromine-based flame retardants are mainly used as flame retardants used in conventional flame retardant compositions, and the polypropylene safety protective net produced through this results in corrosion caused by ultraviolet rays, so that the tensile strength decreases rapidly when exposed to ultraviolet rays (sun) for a long time. Therefore, when installed in the construction site there was a problem that increases the risk of personal injury due to falling and falling.

본 발명은 실외에서 장시간 사용하여도 인장강도가 저하됨이 없어, 안전사고와 화재를 방지할 수 있는 건축용 보호망을 제공한다.The present invention does not deteriorate the tensile strength even when used for a long time outdoors, provides a building protection net that can prevent safety accidents and fire.

본 발명은The present invention

건축용 보호망에 있어서,In the construction protection net,

폴리프로필렌 멀티 필라멘트사를 지그재그 형태로 배치하여 이루어진 다수의 제1 가로연결사; 상기 제 1가로연결사와 대칭되는 구조이면서 제 1가로연결사와 교차되게 배치하여 이루어진 다수의 제2 가로연결사; 및 상부에서 하부방향으로 수직으로 형성되어 상기 제1 가로연결사와 상기 제 2가로연결사의 교차 부분을 엮는 다수의 세로연결사로 편직되며, A plurality of first horizontal connecting yarns formed by arranging polypropylene multifilament yarns in a zigzag form; A plurality of second horizontal connecting yarns symmetrical to the first horizontal connecting yarns and arranged to cross the first horizontal connecting yarns; And a plurality of longitudinal connecting yarns formed vertically from an upper side to a lower direction to intersect the intersection portions of the first horizontal connecting yarns and the second horizontal connecting yarns,

상기 제1 가로연결사, 제2 가로연결사 및 세로연결사는 인장강도 6g/d 폴리프로필렌 멀티 필라멘트사에 방염조성물을 용융 방사하여 제조된 것을 특징으로 하는 건축용 라셀편직물 보호망을 제공한다.The first horizontal connecting yarn, the second horizontal connecting yarn and the vertical connecting yarn provides a raschel knitted fabric protection net for building, characterized in that produced by melt spinning the flame-resistant composition to a tensile strength 6g / d polypropylene multifilament yarn.

본 발명의 건축용 라셀편직물 보호망은 무기계 난연제를 포함하는 방염조성물을 인장강도 6g/d 폴리프로필렌 필라멘트사에 용융 방사하여 제조된 원사를 사용함으로써, 할로겐이 포함된 브롬계 난연제를 사용하여 방염 처리한 종래의 건축용 안전망에 비해 자외선에 대한 부식방지가 장기간(2년 이상)에 유지되고 인체에 무해한 이점이 있다. The conventional Raschel knitted fabric protection net of the present invention uses a yarn prepared by melt spinning a flame retardant composition containing an inorganic flame retardant to a tensile strength of 6 g / d polypropylene filament yarn, thereby flame retardant using a bromine flame retardant containing halogen. Compared with the safety net of building, corrosion protection against UV rays is maintained for a long time (more than 2 years) and it is harmless to human body.

또한 할로겐이 포함된 브롬계 난연제가 아닌 무기계 난연제를 포함하는 방염조성물을 사용하여 방염 처리함으로써 보호망의 재활용이 가능하여 건축폐기물을 줄일 수 있을 뿐만 아니라, 기존의 건축용 안전망보다 가벼워 작업자의 설치가 용이하고 강도는 뛰어나 안전사고를 효과적으로 방지할 수 있다.In addition, flame retardant treatment using flame retardant composition containing inorganic flame retardant, not bromine flame retardant containing halogen, can recycle the protection net and reduce construction waste, and it is lighter than the existing construction safety net, making it easier to install workers. The strength is excellent, which can effectively prevent safety accidents.

도 1은 본 발명에 따른 건축용 라셀편직물 보호망의 일부분을 확대한 조직도.1 is an enlarged organizational view of a part of a building Raschel knitted fabric protection net according to the present invention.

기타 실시예의 구체적인 사항들은 상세한 설명 및 도면들에 포함되어 있다. 이하, 첨부된 도면을 참조하여 본 발명의 구체적인 실시형태를 상세하게 설명하기로 한다.Specific details of other embodiments are included in the detailed description and drawings. Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 건축용 라셀편직물 보호망의 일부분을 확대한 조직도이다.
1 is an enlarged organizational view of a part of a building Raschel knitted fabric protection net according to the present invention.

도 1에서 도시된 바와 같이 본 발명에 따른 건축용 라셀편직물 보호망(1)은 폴리프로필렌 멀티 필라멘트사를 지그재그 형태로 배치하여 이루어진 다수의 제1 가로연결사(20); 상기 제 1가로연결사와 대칭되는 구조이면서 제 1가로연결사와 교차되게 배치하여 이루어진 다수의 제2 가로연결사(30); 및 상부에서 하부방향으로 수직으로 형성되어 상기 제1 가로연결사와 상기 제 2가로연결사의 교차 부분을 엮는 다수의 세로연결사(10)로 편직된다. As shown in FIG. 1, the building raschel knitted fabric protection net 1 according to the present invention includes a plurality of first horizontal connecting yarns 20 formed by arranging polypropylene multifilament yarns in a zigzag form; A plurality of second horizontal connecting yarns 30 which are symmetrical with the first horizontal connecting yarns and are arranged to intersect with the first horizontal connecting yarns; And a plurality of longitudinal connecting yarns 10 formed vertically from the top to the lower connecting yarns to intersect the intersection portions of the first horizontal connecting yarns and the second horizontal connecting yarns.

상기와 같이 편직된 본 발명의 건축용 라셀편직물 보호망은 그물코 크기가 2 내지 4mm가 형성될 수 있다.Building raschel knitted fabric protection net of the present invention knitted as described above may be formed mesh size of 2 to 4mm.

본 발명에 따른 제1 가로연결사(20), 제2 가로연결사(30) 및 세로연결사(10)는 인장강도 6g/d 폴리프로필렌 멀티 필라멘트사에 방염조성물을 용융 방사하여 제조될 수 있다.The first horizontal connecting yarn 20, the second horizontal connecting yarn 30 and the vertical connecting yarn 10 according to the present invention may be prepared by melt spinning the flame retardant composition in a tensile strength of 6g / d polypropylene multifilament yarns. .

더욱 자세하게는 제1 가로연결사(20) 및 제2 가로연결사(30)는 각각 굵기가 850 내지 1000데니어(denier)이며 인장강도 6g/d인 폴리프로필렌 멀티 필라멘트사에 방염조성물을 용융 방사하여 제조할 수 있으며, 세로연결사(10)는 굵기가 700 내지 800데니어(denier)이며 인장강도 6g/d인 2가닥의 폴리프로필렌 멀티 필라멘트사를 꼬아서 형성한 합사에 방염조성물을 용융 방사하여 제조할 수 있다.More specifically, the first horizontal connecting yarn 20 and the second horizontal connecting yarn 30 are 850 to 1000 denier (denier) in thickness, respectively, by melt spinning the flame retardant composition on a polypropylene multifilament yarn having a tensile strength of 6 g / d. The longitudinal connecting yarn 10 may be manufactured by melting and spinning a flame retardant composition in a plywood formed by twisting two strands of polypropylene multifilament yarn having a thickness of 700 to 800 denier and a tensile strength of 6 g / d. can do.

상기 방염조성물은 폴리프로필렌 필라멘트사 100중량부를 기준으로 자외선 흡수제 2 내지 5중량부, 산화방지제 1 내지 3중량부 및 무기계 난연제 0.5 내지 1중량부를 포함하는 것이 바람직하며, 더욱 바람직하게는 폴리프로필렌 필라멘트사 100중량부를 기준으로 자외선 흡수제 3 내지 3.5중량부, 산화방지제 2 내지 2.5중량부 및 무기계 난연제 0.5 내지 1중량부를 포함하는 것이 좋다.The flame retardant composition preferably contains 2 to 5 parts by weight of ultraviolet absorber, 1 to 3 parts by weight of antioxidant and 0.5 to 1 part by weight of inorganic flame retardant based on 100 parts by weight of polypropylene filament yarn, and more preferably polypropylene filament yarn. It is preferable to include 3 to 3.5 parts by weight of the ultraviolet absorber, 2 to 2.5 parts by weight of antioxidant and 0.5 to 1 part by weight of the inorganic flame retardant based on 100 parts by weight.

본 발명에 있어서 무기계 난연제로는 수산화마그네슘, 수산화알루미늄, 붕산아연(Zinc Borate), 그래파이트(graphite) 및 탄산마그네슘으로 이루어진 군으로부터 선택된 1종 또는 이들의 혼합물을 사용할 수 있다.In the present invention, as the inorganic flame retardant, one or a mixture thereof may be used selected from the group consisting of magnesium hydroxide, aluminum hydroxide, zinc borate, graphite and magnesium carbonate.

본 발명에서 사용하는 무기계 난연제는 인체에 무해하며 폴리프로필렌에 사용 시 장기간 자외선에 대한 부식을 방지할 수 있다. The inorganic flame retardant used in the present invention is harmless to the human body and can prevent corrosion for a long time when used in polypropylene.

본 발명에 따른 건축용 라셀편직물 보호망(1)의 자외선 부식 정도를 측정하기 위하여 60℃의 온도에서 0.77W/m², 340nm 파장의 자외선을 방사한 후 12일 차에 본 발명에 따른 인장강도 6g/d인 제1 가로연결사(20), 제2 가로연결사(30) 및 세로연결사(10)의 인장강도 변화를 측정하였다. 하기 표1에서 일반사는 인장강도 6g/d인 폴리프로필렌 멀테 필라멘트사에 방염조성물을 처리하지 않은 실(絲)이며, 비교사는 인장강도 6g/d인 폴리프로필렌 멀테 필라멘트사에 브롬계 난연제를 포함하는 방염조성물을 용융 방사하여 제조한 실(絲)을 의미한다.
Tensile strength 6g / d according to the present invention on the 12th day after radiating ultraviolet rays of 0.77W / m² and 340nm wavelength at a temperature of 60 ° C. to measure the degree of UV corrosion of the building Raschel knitted fabric protection net 1 according to the present invention. The tensile strength change of the first horizontal connecting yarn 20, the second horizontal connecting yarn 30 and the vertical connecting yarn 10 was measured. In the following Table 1, the general yarn is a yarn not treated with a flame retardant composition in a polypropylene multe filament yarn having a tensile strength of 6 g / d, and the comparative yarn includes a brominated flame retardant in a polypropylene multe filament yarn having a tensile strength of 6 g / d. Means the yarn produced by melt spinning a flameproof composition.

12일차 인장강도(g/d)Day 12 Tensile Strength (g / d) 제1 가로연결사First horizontal connector 5.255.25 제2 가로연결사Second horizontal connector 5.255.25 세로연결사Portrait 5.55.5 일반사General History 3.23.2 비교사Comparator 00

상기 표1에서 보이는 바와 같이 본 발명에 따른 제1 가로연결사(20), 제2 가로연결사(30) 및 세로연결사(10)는 폴리프로필렌 멀티 필라멘트사에 무기계 난연제를 용융 방사하여 제조한 것으로, 이들은 일반사 및 비교사에 비해 자외선에 대한 부식이 월등히 향상된 것을 알 수 있었다. 참고로 표에서 나타내지는 않았으나, 비교사의 인장강도는 24시간 경과 후 2.5g/d, 48시간 경과 후 1.8 g/d, 3일차(96시간) 되는 날에 0.3 g/d로 나타났다. 이를 통해 비교사의 경우 자외선에 대한 부식 정도가 단시간에 빠르게 일어나는 것을 알 수 있었다. 이는 브롬계 난연제의 경우 할로겐을 포함하는데, 할로겐이 자외선과 반응하게 되어 부식을 가속화시키기 때문이다. As shown in Table 1, the first horizontal connecting yarn 20, the second horizontal connecting yarn 30 and the vertical connecting yarn 10 according to the present invention are manufactured by melt spinning an inorganic flame retardant in a polypropylene multifilament yarn. It was found that these were significantly improved in corrosion against ultraviolet rays compared to ordinary yarns and comparative yarns. For reference, although not shown in the table, the tensile strength of the comparative company was 2.5 g / d after 24 hours, 1.8 g / d after 48 hours, and 0.3 g / d on day 3 (96 hours). Through this, it was found that the degree of corrosion of UV light occurred in a short time. This is because bromine-based flame retardants contain halogens, because the halogens react with ultraviolet light to accelerate corrosion.

또한 이렇게 폴리프로필렌 멀티 필라멘트사에 무기계 난연제를 용융 방사하여 제조한 제1 가로연결사(20), 제2 가로연결사(30) 및 세로연결사(10)를 이용하여 편직된 본 발명의 건축용 라셀편직물 보호망(1)은 하기 표 2에서 보이는 바와 같이 중량이 가벼움과 동시에 높은 인장강도를 갖는 것을 알 수 있었다.In addition, the building raschel of the present invention knitted using the first horizontal connecting yarn 20, the second horizontal connecting yarn 30, and the vertical connecting yarn 10 manufactured by melt spinning the inorganic flame retardant to the polypropylene multifilament yarn. As shown in Table 2, the knitted fabric protection net 1 was found to have light weight and high tensile strength at the same time.

아래 표2는 본 발명의 건축용 라셀편직물 보호망을 KS기준에 따라서 3 ㎝ x 20 ㎝ 시편으로 하여 인장강도와 중량을 검사한 것이다.
Table 2 below is a test of the tensile strength and weight of the fabric of the present invention as a 3 cm x 20 cm specimen for the construction of the fabric laselle fabric protection net.

인장강도The tensile strength 중량weight 가로(위사)Horizontal (weft) 세로(경사)Portrait (inclined) 본 발명의 보호망Protective net of the present invention 160Kgf160 Kgf 160Kgf160 Kgf 380g380 g

1: 본 발명의 건축용 라셀편직물 보호망
10: 세로연결사
20: 제1 가로연결사
30: 제2 가로연결사1: Raschel knitted fabric protective net for building construction of the present invention
10: vertical connector
20: first horizontal link
30: second horizontal link

Claims (3)

건축용 보호망에 있어서,
폴리프로필렌 멀티 필라멘트사를 지그재그 형태로 배치하여 이루어진 다수의 제1 가로연결사; 상기 제 1가로연결사와 대칭되는 구조이면서 제 1가로연결사와 교차되게 배치하여 이루어진 다수의 제2 가로연결사; 및 상부에서 하부방향으로 수직으로 형성되어 상기 제1 가로연결사와 상기 제 2가로연결사의 교차 부분을 엮는 다수의 세로연결사로 편직되며,
상기 제1 가로연결사, 제2 가로연결사 및 세로연결사는 인장강도 6g/d 폴리프로필렌 멀티 필라멘트사에 방염조성물을 용융 방사하여 제조된 것을 특징으로 하는 건축용 라셀편직물 보호망.
In the construction protection net,
A plurality of first horizontal connecting yarns formed by arranging polypropylene multifilament yarns in a zigzag form; A plurality of second horizontal connecting yarns symmetrical to the first horizontal connecting yarns and arranged to cross the first horizontal connecting yarns; And a plurality of longitudinal connecting yarns formed vertically from an upper side to a lower direction to intersect the intersection portions of the first horizontal connecting yarns and the second horizontal connecting yarns,
The first horizontal connecting yarn, the second horizontal connecting yarn and the vertical connecting yarn is a raschel knitted fabric protection net, characterized in that manufactured by melt spinning a flame-resistant composition in a tensile strength 6g / d polypropylene multifilament yarn.
제 1항에 있어서,
상기 방염조성물은 폴리프로필렌 필라멘트사 100중량부를 기준으로 자외선 흡수제 2 내지 5중량부, 산화방지제 1 내지 3중량부 및 무기계 난연제 0.5 내지 1중량부를 포함하는 것을 특징으로 하는 건축용 라셀편직물 보호망.
The method of claim 1,
The flame retardant composition is a raschel knitted fabric protective net comprising 2 to 5 parts by weight of UV absorbers, 1 to 3 parts by weight of antioxidant and 0.5 to 1 parts by weight of inorganic flame retardant based on 100 parts by weight of polypropylene filament yarn.
제 2항에 있어서,
상기 무기계 난연제는 수산화마그네슘, 수산화알루미늄, 붕산아연(Zinc Borate), 그래파이트(graphite) 및 탄산마그네슘으로 이루어진 군으로부터 선택된 1종 또는 이들의 혼합물인 것을 특징으로 하는 건축용 라셀편직물 보호망.The method of claim 2,
The inorganic flame retardant is one of a magnesium hydroxide, aluminum hydroxide, zinc borate (Zinc Borate), graphite (graphite) and magnesium carbonate selected from the group consisting of one or a mixture thereof.
KR1020100052205A 2010-06-03 2010-06-03 Safety Net with Raschel Knit for Construction KR101229800B1 (en)

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KR101678630B1 (en) 2015-09-15 2016-11-23 이병우 Secunty a protection net for construction work place
KR101887617B1 (en) 2017-09-19 2018-09-10 주식회사 태현 flame resisting thread manufacturing method, and net safety using flame resisting thread
KR101988363B1 (en) * 2018-07-23 2019-06-12 최정원 Vertical protective net for building construction
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KR102611991B1 (en) 2022-06-22 2023-12-08 신한테크(주) Rassel Knitting Machine

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