KR900003413A - Coated metal pipe and its manufacturing method - Google Patents

Coated metal pipe and its manufacturing method Download PDF

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Publication number
KR900003413A
KR900003413A KR1019890012249A KR890012249A KR900003413A KR 900003413 A KR900003413 A KR 900003413A KR 1019890012249 A KR1019890012249 A KR 1019890012249A KR 890012249 A KR890012249 A KR 890012249A KR 900003413 A KR900003413 A KR 900003413A
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South Korea
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resin
metal tube
layer
coated metal
epoxy resin
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KR1019890012249A
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Korean (ko)
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KR920001038B1 (en
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토시히코 미쯔하시
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우수이 유타로
우수이 고쿠사이 산교 가부시기가이샤
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Priority claimed from JP63212255A external-priority patent/JPH0260739A/en
Priority claimed from JP63223296A external-priority patent/JPH0272288A/en
Priority claimed from JP23315188A external-priority patent/JP2639978B2/en
Application filed by 우수이 유타로, 우수이 고쿠사이 산교 가부시기가이샤 filed Critical 우수이 유타로
Publication of KR900003413A publication Critical patent/KR900003413A/en
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Publication of KR920001038B1 publication Critical patent/KR920001038B1/en

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F16L58/1054—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
    • F16L58/1072—Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe the coating being a sprayed layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2254/00—Tubes
    • B05D2254/02—Applying the material on the exterior of the tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/20—Chromatation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/60—Adding a layer before coating
    • B05D2350/65—Adding a layer before coating metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2504/00—Epoxy polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2506/00—Halogenated polymers
    • B05D2506/10—Fluorinated polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2506/00—Halogenated polymers
    • B05D2506/20—Chlorinated polymers
    • B05D2506/25—PVC

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

내용 없음No content

Description

피복금속관 및 그의 제조방법Coated metal pipe and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 피복금속관의 한 실시예를 도시한 평면도.1 is a plan view showing one embodiment of the coated metal tube of the present invention.

제2도는 제1도의 선 A-A을 따른 부분확대 횡단면도.2 is a partially enlarged cross sectional view along line A-A of FIG.

제3도는 제2도를 참고로 제1도의 선 A-A 을 따른 종래 피복금속관의 한 실시예의 부분의 확대 횡단면도.3 is an enlarged cross-sectional view of a portion of one embodiment of a conventional clad metal tube along line A-A of FIG. 1 with reference to FIG.

Claims (30)

금속관의 베이스 위에 형성된 아연도금층의 밑층, 크롬산염막을 거쳐 상기 밑층에 형성된 불소수지층의 삽입층, 피복중합 반응의 피복적층에 의해 접착층을 거쳐 수지막으로써 상기 삽입층의 면위에 형성된 솔-층에 의해 비닐 클로라이드 수지로부터 추출한 겔화막 또는 수지관의 상부 피복층으로 구성되는 복합 피복층으로 비교적 소형 금속관 베이스의 외면이 피복되는 것을 특징으로 하는 피복 금속관.The bottom layer of the zinc plating layer formed on the base of the metal tube, the insertion layer of the fluororesin layer formed on the bottom layer via the chromate film, the coating layer of the coating polymerization reaction, and the resin layer through the adhesive layer on the surface of the insertion layer. A coated metal tube, characterized in that the outer surface of a relatively small metal tube base is coated with a composite coating layer composed of a gelling film extracted from a vinyl chloride resin or an upper coating layer of a resin tube. 제1항에 있어서, 상기 크롬산염 막에 첫째막이추가로 제공된 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein a first membrane is additionally provided to the chromate membrane. 제1항에 있어서, 상기 금속관 베이스가 2-층 강관으로서, 전기용접 강관이나 시임리스 강관인 것을 특징으로 하는 피복 금속관.The coated metal pipe according to claim 1, wherein the metal pipe base is a two-layer steel pipe, which is an electric welding steel pipe or a seamless steel pipe. 제1항에 있어서, 강기 금속관 베이스는 알루미늄이나 동관인 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein the steel metal tube base is aluminum or copper tube. 제1항에 있어서, 크롬산염 막은 저농도 크롬산으로 형성된 황색 크롬산염 막이나 올리브색 크롬산염막인 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein the chromate film is a yellow chromate film or an olive chromate film formed of low concentration chromate. 제1항에 있어서, 크롬산염 막은 저농도 크롬산으로 형성된 황색 크롬산염 막이나 올리브색 크롬산염막인 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein the chromate film is a yellow chromate film or an olive chromate film formed of low concentration chromate. 제1항에 있어서, 불소수지 삽입층은 비등점 용매에서 분산되는 폴리비닐 플루오라이드의 분산물을 피복함으로써 형성되어 그 상태에서 앞서 형성된 밑층위에 결과 분산물에 고형수지가 유입되지 않고 상기 밑층 위에 피복된 분산물을 가열 및 건조 시키는 것을 특징으로 하는 피복 금속관.The method of claim 1, wherein the fluororesin insertion layer is formed by coating a dispersion of polyvinyl fluoride dispersed in a boiling point solvent so that a solid resin is coated on the underlayer without introducing solid resin into the resultant dispersion on the previously formed underlayer. A coated metal tube characterized in that the dispersion is heated and dried. 제7항에 있어서, 상기 비등점 용매는 디메칠 또는 디에칠 프탈레이트이고 폴리비닐 플루오라이드는 상기 상태의 용매에 분산되어서 폴리비닐 플루오라이드는 결과 분산물에 유입되지 않는 것을 특징으로 하는 피복 금속관.8. The coated metal tube according to claim 7, wherein the boiling point solvent is dimethyl or dimethyl phthalate and the polyvinyl fluoride is dispersed in the solvent in the state so that the polyvinyl fluoride does not enter the resultant dispersion. 제1항 또는 제2항에 있어서, 첫째막 및 접착층은 적어도 하나의 에폭시수지, 아크릴 수지 및 나일론 12로 구성되는 공중합화한 폴리아미드 수지로 제조되는 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1 or 2, wherein the first membrane and the adhesive layer are made of a copolymerized polyamide resin composed of at least one epoxy resin, an acrylic resin and nylon 12. 제9항에 있어서, 상기 에폭시수지는 비스페놀 A 에폭시수지, 비스페놀 F 에폭시수지, 비스페놀 AD 에폭시수지, 페놀 노볼락 에폭시수지, 크레졸 노볼락 에폭시수지, 비스페놀 A 에폭시수지, 폴리머이고, 나일론 12로 구성되는 공중합화한 폴리아미드 수지는 DAIAMID 170, 250, 350, 430, 450,470, 640,750, 2000, 3000, 4000, 7000, 또는 8000(상품명)인 것을 특징으로 하는 피복 금속관.The epoxy resin of claim 9, wherein the epoxy resin is bisphenol A epoxy resin, bisphenol F epoxy resin, bisphenol AD epoxy resin, phenol novolac epoxy resin, cresol novolac epoxy resin, bisphenol A epoxy resin, polymer, and is composed of nylon 12. The polyamide resin copolymerized is DAIAMID 170, 250, 350, 430, 450,470, 640,750, 2000, 3000, 4000, 7000, or 8000 (brand name). 제9항 또는 제10항에 있어서, 에폭시수지, 아크릴수지 또는 나일론 12으로 구성되는 공중합화한 폴리아미드 수지는 25±5℃ 의 온도에서 10-60초(Ford Cap #4)로부터의 점성을 갖고 10-250초 동안 200-700℃ 의 온도에서 구워질 수 있고, 형성막의 경도는 B대 4H(펜슬 경도)인것을 특징으로 하는 피복 금속관.The copolymerized polyamide resin according to claim 9 or 10, consisting of epoxy resin, acrylic resin or nylon 12, has a viscosity from 10-60 seconds (Ford Cap # 4) at a temperature of 25 ± 5 ° C. A coated metal tube, which can be baked at a temperature of 200-700 ° C. for 10-250 seconds, and the hardness of the formed film is B to 4H (pencil hardness). 제1항에 있어서, 상부 피복층을 형성하기 위한 수지관은 열수축 비닐 클로라이드 수지, 폴리올레핀수지 및 불소수지로부터 선택된 하나의 수지로 제조된 관인것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein the resin tube for forming the upper coating layer is a tube made of one resin selected from a heat shrinkable vinyl chloride resin, a polyolefin resin, and a fluorine resin. 제1항에 있어서, 상부 피복층을 형성하기 위한 비닐 클로라이드 수지는 1000-5000cp의 점성을 갖는 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein the vinyl chloride resin for forming the upper coating layer has a viscosity of 1000-5000 cps. 제1항에 있어서, 아연도금층의 두께는 5-35㎛이고, 불소수지 층의 두께는 5-50㎛이고, 수지막의 두께는 500-1000㎛인 것을 특징으로 하는 피복 금속관.The coated metal tube according to claim 1, wherein the thickness of the galvanized layer is 5-35 mu m, the thickness of the fluororesin layer is 5-50 mu m, and the thickness of the resin film is 500-1000 mu m. 피복 금속관의 제조방법에 있어서, 아연도금층의 밑층은 비교적 소형의 관 베이스의 외면에 형성되고, 불소수지층의 삽입층은 크롬산염 막을 거쳐 상기 밑층에 형성되고, 접착측에 상기 삽입층위에 피복된 후에, 결과 관은 관의 적어도 피복양끝의 인접부를 가열하고 거의 수평으로 회전시키면서 비닐 클로라이드 수지의 솔 베쓰에 잠겨지고, 그 베쓰에서 꺼내어지고, 아직 회전하며 반 겔화된 상태에서 150-300℃ 의 온도에서 구워지고 이로인해 솔-층에 의해 상기 비닐 클로라이드인 수지로부터 추출한 완전 겔화 수지막은 접촉 피복 중합반응에 의해 상부 피복층으로써 삽입층위에 형성된 것을 특징으로 하는 피복금속관의 제조방법.In the method for producing a coated metal tube, an underlayer of a galvanized layer is formed on the outer surface of a relatively small tube base, and an insertion layer of a fluororesin layer is formed on the underlayer via a chromate film and coated on the insertion layer on an adhesive side. Subsequently, the resulting tube was immersed in a sorbet of vinyl chloride resin, withdrawn from the bath, still rotating and semi-gelled at a temperature of at least the proximal end of the tube and rotating almost horizontally. A method of producing a coated metal tube, characterized in that the fully gelled resin film which is baked at and thus extracted from the resin which is vinyl chloride by the sol-layer is formed on the insertion layer as an upper coating layer by a contact coating polymerization reaction. 제15항에 있어서, 상기 크롬산염 막과 불소수지 삽입층 사이에 추가로 첫째막이 제공된 것을 특징으로 하는 피복금속관의 제조방법.The method of manufacturing a coated metal tube according to claim 15, wherein a first film is further provided between the chromate film and the fluororesin insertion layer. 제15항에 있어서, 상기 금속관 베이스는 2-층 강관으로서, 전기용접 강관이나 시임리스 강관인 것을 특징으로 하는 피복금속관의 제조방법.16. The method of claim 15, wherein the metal tube base is a two-layer steel tube, which is an electric welded steel tube or a seamless steel tube. 제15항에 있어서, 상기 금속관 베이스는 알루미늄이나 동관인 것을 특징으로 하는 피복금속관의 제조 방법.The method for producing a coated metal tube according to claim 15, wherein the metal tube base is aluminum or copper tube. 제15항에 있어서, 상기 아연도금층은 산선 전해질 용액을 내포하는 황산이나 알칼리 전해질 용액을 내포하는 아연 시안화물로 전기도금에 의해 형성되는 것을 특징으로 하는 피복금속관의 제조방법.16. The method of claim 15, wherein the zinc plated layer is formed by electroplating with sulfuric acid containing acid wire electrolyte solution or zinc cyanide containing alkali electrolyte solution. 제15항에 있어서, 크롬산염 막은 3-20g/1의 6-크롬산 농도을 갖는 저농도 크롬산으로 형성된 황색 크롬산막이나 올리브색 크롬산염 막인 것을 특징으로 하는 피복금속관의 제조방법.The method for producing a coated metal tube according to claim 15, wherein the chromate film is a yellow chromate film or an olive chromate film formed of low concentration chromic acid having a 6-chromic acid concentration of 3-20 g / 1. 제15항에 있어서, 불소수지 삽입층은 비등점 용매에서 분산되는 폴리비닐 플루오라이드의 분산물을 피복함으로써 형성되어 그 상태에서 앞서 형성된 밑층위에 결과 분산물에 고형수지가 유입되지 않고 상기 밑층위에 피복된 분산물을 가열 및 건조시키는 것을 특징으로 하는 피복금속관의 제조방법.The method of claim 15, wherein the fluororesin insertion layer is formed by coating a dispersion of polyvinyl fluoride dispersed in a boiling point solvent so that the solid resin is coated on the underlayer without introducing solid resin into the resulting dispersion on the previously formed underlayer. A method for producing a coated metal tube, characterized in that the dispersion is heated and dried. 제21항에 있어서, 상기 비등점 용배는 디메칠이나 디에칠 프탈레이트인 것을 특징으로 하는 피복금속 관의 제조방법.22. The method of claim 21, wherein the boiling point flux is dimethyl or dimethyl phthalate. 제15항 또는 제16항에 있어서, 첫째막 및 접착층은 적어도 하나의 에폭시수지, 아크릴수지 및 나일론 12로 구성되는 공중합화한 폴리아미드 수지로 제조되는 것을 특징으로 하는 피복금속관의 제조방법.The method of claim 15 or 16, wherein the first membrane and the adhesive layer are made of a copolymerized polyamide resin composed of at least one epoxy resin, acrylic resin, and nylon 12. 제23항에 있어서, 상기 에폭시수지는 비스페놀 A 에폭시수지, 비스페놀 F 에폭시수지, 비스페놀 AD 에폭시수지, 페놀 노블락 에폭시수지, 크레놀 노블락 에폭시수지, 비스페놀 A 에폭시수지 또는 폴리그리콜 에폭시수지이고, 아크릴수지는 시아노 아크릴 레이트, 메칠 메타아크릴레이트 또는 메타아크릴레이트 폴리머이고, 나일론 12로 구성되는 공중합화한 폴리아미드 수지는 DAIAAMID 170, 250, 350, 430, 450, 470, 640, 750, 2000, 3000, 4000, 7000, 또는 8000(상품명)인 것을 특징으로 하는 피복금속관의 제조방법.24. The method of claim 23, wherein the epoxy resin is a bisphenol A epoxy resin, a bisphenol F epoxy resin, a bisphenol AD epoxy resin, a phenol noble epoxy resin, a crenol noblock epoxy resin, a bisphenol A epoxy resin or a polyglycol epoxy resin, and an acrylic resin. Is a cyano acrylate, methyl methacrylate or methacrylate polymer, and the copolymerized polyamide resin consisting of nylon 12 is DAIAAMID 170, 250, 350, 430, 450, 470, 640, 750, 2000, 3000, 4000, 7000, or 8000 (brand name) The manufacturing method of the coating metal tube characterized by the above-mentioned. 제15항에 있어서, 에폭시수지, 아크릴수지 또는 나일론 12로 구성되는 공중합화한 폴리아미드 수지는 25±5℃의 온도에서 10-60초(Ford Cap #4)로부터의 점성을 갖고, 10-250초동안 200-700℃의 온도에서 구워질수 있고, 형성막의 경도는 B대 4H(펜슬 경도)인 것을 특징으로 하는 피복금속관의 제조방법.The copolymerized polyamide resin of claim 15, consisting of epoxy resin, acrylic resin or nylon 12, has a viscosity from 10-60 seconds (Ford Cap # 4) at a temperature of 25 ± 5 ° C., and is 10-250. It can be baked at a temperature of 200-700 ℃ for a second, the hardness of the formed film is a method of producing a coated metal tube, characterized in that B vs. 4H (pencil hardness). 제15항에 있어서, 상부 피복층을 형성하기 위한 비닐 클로라이드 수지는 1000-5000cp의 점성을 갖는 것을 특징으로 하는 피복금속관의 제조방법.16. The method of claim 15, wherein the vinyl chloride resin for forming the top coating layer has a viscosity of 1000-5000 cps. 제15항에 있어서, 아연도금층의 두께는 5-35㎛이고, 불소수지 층의 두께는 5-50㎛이고, 수지막의 두께는 500-1000㎛인 것을 특징으로 하는 피복금속관의 제조방법,The method of claim 15, wherein the zinc plated layer has a thickness of 5-35 µm, the fluororesin layer has a thickness of 5-50 µm, and the resin film has a thickness of 500-1000 µm. 제15항에 있어서, 금속관의 전체, 금속관의 피복부 전체, 또는 금속관의 양끝의 인접부는 접착층의 형성후에 10초-수분동안 50-250℃의 온도에서 가열되는 것을 특징으로 하는 피복금속관의 제조방법.The method for producing a coated metal tube according to claim 15, wherein the entirety of the metal tube, the whole coating portion of the metal tube, or the adjacent portions of both ends of the metal tube is heated at a temperature of 50-250 ° C. for 10 seconds to several minutes after the formation of the adhesive layer. . 제15항에 있어서, 솔 베쓰에서 비닐 클로라이드 수지를 잠기게 하는 중에나 그 베쓰로부터 끄집어낸후의 금속관의 회전속도는 15-100r.p.m인것을 특징으로 하는 피복금속관의 제조방법.The method for producing a coated metal tube according to claim 15, wherein the rotational speed of the metal tube during or after the vinyl chloride resin is submerged in the sole bath is 15-100 r.p.m. 15항에 있어서, 상기 굽는온도는 150-300 이며 굽는 시간은 비닐 클로라이드 수지 상부 피복층을 형성하는데1-5분 걸리는 것을 특징으로 하는 피복금속관의 제조방법.16. The method of claim 15, wherein the baking temperature is 150-300 and the baking time takes 1-5 minutes to form the vinyl chloride resin upper coating layer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012249A 1988-08-26 1989-08-26 A coated metal pipe KR920001038B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP63212255A JPH0260739A (en) 1988-08-26 1988-08-26 Coated metal piping material
JP212255 1988-08-26
JP63-212255 1988-08-26
JP223296 1988-09-06
JP63-223296 1988-09-06
JP63223296A JPH0272288A (en) 1988-09-06 1988-09-06 Coated metal pipe material
JP23315188A JP2639978B2 (en) 1988-09-17 1988-09-17 Coating method for coated steel pipe
JP233151 1988-09-17
JP63-233151 1988-09-17

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KR920001038B1 KR920001038B1 (en) 1992-02-01

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FR2688862A1 (en) * 1992-03-19 1993-09-24 Tubest Sa Element for conveying a fluid, particularly flexible hose for lining chimneys
FR2714140B1 (en) * 1993-12-17 1996-01-19 Atochem Elf Sa Flexible sheath in PVF3 and its application to metallic hoses.
JP3515183B2 (en) * 1994-08-30 2004-04-05 臼井国際産業株式会社 Corrosion resistant resin coating structure on metal tube
JPH10296910A (en) * 1997-04-25 1998-11-10 Usui Internatl Ind Co Ltd Overlap-coated metallic tube and method for forming coating thereof
CN104534191B (en) * 2014-12-22 2016-06-15 泉州泉港华博化工科技有限公司 A kind of polrvinyl chloride composite metal plastic pipe and preparation method thereof

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FR1457298A (en) * 1965-04-14 1966-01-24 Ct De Rech S De Pont A Mousson Improved process and plant for coating tubular bodies
FR2220600B2 (en) * 1973-03-09 1976-09-10 Mecano Bundy Gmbh
DE3438013A1 (en) * 1984-10-17 1986-04-30 Mannesmann AG, 4000 Düsseldorf METAL TUBE PROVIDED WITH CORROSION PROTECTION AND METHOD FOR THE PRODUCTION THEREOF
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