KR100891947B1 - 도로 안전 시설물의 제조방법 - Google Patents
도로 안전 시설물의 제조방법 Download PDFInfo
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- KR100891947B1 KR100891947B1 KR1020070118753A KR20070118753A KR100891947B1 KR 100891947 B1 KR100891947 B1 KR 100891947B1 KR 1020070118753 A KR1020070118753 A KR 1020070118753A KR 20070118753 A KR20070118753 A KR 20070118753A KR 100891947 B1 KR100891947 B1 KR 100891947B1
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- manufacturing
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- safety facility
- injection molding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0032—Pigments, colouring agents or opacifiyng agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (8)
- 열가소성 수지에 가교제 및 발포제, 아연스테아린산(Zn-St), 산화아연(ZnO), 안료를 포함하는 원료 조성물을 균일하게 혼합하는 단계와; 상기와 같이 혼합된 원료 조성물을 발포 및 가교가 일어나지 않는 온도하에서 사출성형하여 드럼형 본체를 형성하는 단계와; 상기와 같이 사출성형에 의해 형성된 본체를 가교 및 발포하여 팽창시키는 단계와; 상기 팽창된 본체를 교정몰드에서 그 형태를 교정하는 단계;로 구성된 것을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 1에 있어서, 상기 원료 조성물에 사용되는 가교제 및 발포제는 그 반응개시온도가 열가소성 합성수지의 녹는점보다 높은 것임을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 1 또는 청구항 2에 있어서, 상기 원료 조성물은 에틸렌비닐아세테이트(EVA) 75중량부에 첨가제로서 발포제 5~8중량부, 가교제 2~5중량부, 아연스타린산 3~6중량부, 산화아연 0.5~3중량부, 안료 0.3~1중량부가 되도록 첨가된 것임을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 3에 있어서, 상기 사출성형 단계에서 형성된 본체는 반원통형의 사출성형물을 한쌍으로 하여 결합된 것임을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 4에 있어서, 상기 가교 및 발포 단계는 사출성형물을 발포성형기에 안치하고 165~200℃의 온도를 40~60분 동안 유지함으로써 이루어짐을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 5에 있어서, 상기 교정 단계는 본체가 유동되지 않고 수직상태를 유지할 수 있도록 좌.우 양쪽에 고정부가 형성된 고정몰드에 발포된 본체를 장착하고, 본체 내부의 빈공간부에 교정막대를 내부공간과 빈틈없이 삽입시킨 다음, 100±5℃ 내외의 온도로 가열함으로써 이루어지는 것을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 6에 있어서, 상기 교정 단계를 거친 본체 외주면에 반사지를 부착하는 단계가 추가된 것을 특징으로 하는 도로 안전 시설물의 제조방법.
- 청구항 1의 제조방법에 의해 제조됨에 따라 외형을 이루는 본체가 팽창된 두께와 다수의 내부기공을 갖는 발포체인 것을 특징으로 하는 도로 안전 시설물.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070118753A KR100891947B1 (ko) | 2007-11-20 | 2007-11-20 | 도로 안전 시설물의 제조방법 |
Applications Claiming Priority (1)
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KR1020070118753A KR100891947B1 (ko) | 2007-11-20 | 2007-11-20 | 도로 안전 시설물의 제조방법 |
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KR100891947B1 true KR100891947B1 (ko) | 2009-04-08 |
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KR1020070118753A KR100891947B1 (ko) | 2007-11-20 | 2007-11-20 | 도로 안전 시설물의 제조방법 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101200764B1 (ko) * | 2011-01-11 | 2012-11-13 | 정영석 | 도로 안전 시설물 제조방법 |
KR102022713B1 (ko) * | 2019-04-12 | 2019-09-20 | 주식회사 태평양 | 회전식 충격흡수 시설물 및 그 제조방법 |
KR102309220B1 (ko) | 2020-11-16 | 2021-10-07 | (주)비엠티 | 무진동 브레이커 |
Citations (4)
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KR100470081B1 (ko) | 2002-01-09 | 2005-02-04 | 아진정공주식회사 | 자동차의 안전주행을 위한 도로 차선 분리봉 및 그 제조방법 |
KR20050013450A (ko) * | 2003-07-28 | 2005-02-04 | 이성율 | 차선 표지봉 및 그 제조방법 |
KR20070019222A (ko) * | 2005-08-11 | 2007-02-15 | 주식회사 아이.티.피 | 도로방호대 |
KR100740552B1 (ko) | 2006-04-12 | 2007-07-18 | (유) 이티산업 | 충격흡수용 도로 방호대 |
-
2007
- 2007-11-20 KR KR1020070118753A patent/KR100891947B1/ko active IP Right Review Request
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100470081B1 (ko) | 2002-01-09 | 2005-02-04 | 아진정공주식회사 | 자동차의 안전주행을 위한 도로 차선 분리봉 및 그 제조방법 |
KR20050013450A (ko) * | 2003-07-28 | 2005-02-04 | 이성율 | 차선 표지봉 및 그 제조방법 |
KR20070019222A (ko) * | 2005-08-11 | 2007-02-15 | 주식회사 아이.티.피 | 도로방호대 |
KR100740552B1 (ko) | 2006-04-12 | 2007-07-18 | (유) 이티산업 | 충격흡수용 도로 방호대 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101200764B1 (ko) * | 2011-01-11 | 2012-11-13 | 정영석 | 도로 안전 시설물 제조방법 |
KR102022713B1 (ko) * | 2019-04-12 | 2019-09-20 | 주식회사 태평양 | 회전식 충격흡수 시설물 및 그 제조방법 |
KR102309220B1 (ko) | 2020-11-16 | 2021-10-07 | (주)비엠티 | 무진동 브레이커 |
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