KR940010438A - 보강용 전선관 및 제조 장치 - Google Patents

보강용 전선관 및 제조 장치 Download PDF

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Publication number
KR940010438A
KR940010438A KR1019920018420A KR920018420A KR940010438A KR 940010438 A KR940010438 A KR 940010438A KR 1019920018420 A KR1019920018420 A KR 1019920018420A KR 920018420 A KR920018420 A KR 920018420A KR 940010438 A KR940010438 A KR 940010438A
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KR
South Korea
Prior art keywords
conduit
extrusion die
manufacturing apparatus
reinforcing
valley
Prior art date
Application number
KR1019920018420A
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English (en)
Inventor
민병이
Original Assignee
민병이
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.)
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Publication date
Application filed by 민병이 filed Critical 민병이
Priority to KR1019920018420A priority Critical patent/KR940010438A/ko
Publication of KR940010438A publication Critical patent/KR940010438A/ko

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0468—Corrugated
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • 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
    • C08L23/06—Polyethene
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Details Of Indoor Wiring (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

본 발명은 전선을 보호하는 전선관 및 그 제조 장치에 관한 것이다.
본 발명은 파형관의 외주면에 다수개의 보강대를 형성하여 내구성의 증가는 물로 가요성이 유지되는 전선관에 관한 것으로, 그 제조 장치로서 성형기에서 인출되는 전선관이 다이스를 통과하면서 외주면에 보강대가 형성되는 것이다.

Description

보강용 전선관 및 제조 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 전체 측면도.
제2도는 본 발명의 A-A선에서 본 일부를 절결한 측면도,
제3도는 본 발명의 압출 다이스의 B-B선 단면도,
제4도는 본 발명의 전선관의 일부를 절결한 측면도,
제5도는 본 발명 C-C선단면도,
제6도는 본 발명의 D-D선 단면도.

Claims (6)

  1. 공지의 파형의 전선관에 있어서, 전선관(8)의 외주면에 다수의 보강대(9)를 횡으로 다수 형성하되, 전선관(8)의 골(8a)에 보강개(9)가 삽일 융착되어 보강대(5)의 외면이 완만한 파형으로 형성된 것을 특징으로 하는 전선관.
  2. 제1항에 있어서, 보강대(9)의 재질이 가교화 폴리에칠렌 20-25%와 폴리에칠렌 75-80% 구성된 것을 특징으로 하는 전선관.
  3. 제1항에 있어서, 보강대(9)의 재질이 폴리에칠렌 90-95%아 폴리프로필렌 10-5%의 복합수지로 구성된 것을 특징으로 하는 전선관.
  4. 제1항에 있어서, 전선관(8)의 골(8a)과 보강대(5) 사이에 여유 공간이 구성된 것을 특징으로 하는 전선관.
  5. 공지의 캐터필터형 성형기에 있어서, 전선관(8)이 압출 다이스(14)내를 통과하게 구성하여 압출다이스(4)내 주면에 다수의 압출공(5)을 형성하고, 압출다이스(4)는 압출기(6)에서 원료를 공급받게 구성한 것을 특징으로 하는 제조 장치.
  6. 제5항에 있어서, 회전되는 성형구(13)가 장치된 공지의 회전식 성형기에 있어서, 압출 다이스(14)를 장치하고, 압출 다이스(14)의 전면에 냉각 사이징(16)를 장치한 제조 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920018420A 1992-10-08 1992-10-08 보강용 전선관 및 제조 장치 KR940010438A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920018420A KR940010438A (ko) 1992-10-08 1992-10-08 보강용 전선관 및 제조 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920018420A KR940010438A (ko) 1992-10-08 1992-10-08 보강용 전선관 및 제조 장치

Publications (1)

Publication Number Publication Date
KR940010438A true KR940010438A (ko) 1994-05-26

Family

ID=67210234

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920018420A KR940010438A (ko) 1992-10-08 1992-10-08 보강용 전선관 및 제조 장치

Country Status (1)

Country Link
KR (1) KR940010438A (ko)

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