FI84449B - Foerfarande foer belaeggning av ett staolroer genom extrusion. - Google Patents

Foerfarande foer belaeggning av ett staolroer genom extrusion. Download PDF

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Publication number
FI84449B
FI84449B FI890646A FI890646A FI84449B FI 84449 B FI84449 B FI 84449B FI 890646 A FI890646 A FI 890646A FI 890646 A FI890646 A FI 890646A FI 84449 B FI84449 B FI 84449B
Authority
FI
Finland
Prior art keywords
layer
steel tube
tube
coated
heating
Prior art date
Application number
FI890646A
Other languages
English (en)
Swedish (sv)
Other versions
FI84449C (fi
FI890646L (fi
FI890646A0 (fi
Inventor
Rune Jan-Erik Laongnabba
Mats Tom Christian Antell
Original Assignee
Muotekno Ab Oy
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 Muotekno Ab Oy filed Critical Muotekno Ab Oy
Priority to FI890646A priority Critical patent/FI84449C/fi
Publication of FI890646A0 publication Critical patent/FI890646A0/fi
Priority to EP90912059A priority patent/EP0542740B1/en
Priority to DE69025201T priority patent/DE69025201T2/de
Priority to DK90912059.4T priority patent/DK0542740T3/da
Priority to PCT/FI1990/000193 priority patent/WO1992002353A1/en
Publication of FI890646L publication Critical patent/FI890646L/fi
Application granted granted Critical
Publication of FI84449B publication Critical patent/FI84449B/fi
Publication of FI84449C publication Critical patent/FI84449C/fi

Links

Classifications

    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • 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
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow articles
    • 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
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B29K2705/08—Transition metals
    • B29K2705/12—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/003—Layered products comprising a metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (7)

1. Menetelmä teräsputken (1) päällystämiseksi ekstrudoimal-10 la, jossa teräsputki (1) esikäsitellään ja esikäsitelty putki johdetaan ekstrudoitavien muovimateriaalien (4, 5) jähmettymispisteen alapuolella olevassa lämpötilassa ekstruuderilaitteen (3) läpi, jossa se päällystetään adheesiokerroksella (4) ja ainakin yhdellä kestomuoviker-15 roksella (5), jonka jälkeen päällystetty teräsputki jäähdytetään, ja jäähdytetty teräsputki (1) kuumennetaan induk-tiolämmityksen (7) avulla tehokkaan adheesion aikaansaamiseksi teräsputken (1) ja pällysteen välillä, tunnet-t u siitä, että teräsputki (1) ekstruuderilaitteessa (3) 20 päällystetään verraten paksulla vaahdotettua kestomuovia (5) olevalla eristyskerroksella.
2. Patenttivaatimuksen 1 mukainen menetelmä, tunnet-t u siitä, että vaahtokerros (5) päällystetään samanaika- 25 sesti kestomuovia olevalla kompaktilla suojakerroksella.
3. Patenttivaatimuksen 1 tai 2 mukainen menetelmä, tunnettu siitä, että teräsputken (1) esikäsittely (2) käsittää lämmittämisen ja hiekkapuhaltamisen. 30
4. Patenttivaatimuksen 1 tai 2 mukainen menetelmä, tunnettu siitä, että teräsputken (1) esikäsittely (2) käsittää lämmittämisen, hiekkapuhaltamisen, kuumentamisen ja epoksoinnin. 35
5. Patenttivaatimuksen 4 mukainen menetelmä, tunnet-t u siitä, että esikäsittelyvaiheen (2) jälkeen teräsputki β 84449 (1) viedään odotusvarastoon jäähtymään halutuun lämpötilaan.
6. Jonkin patenttivaatimuksen 1-4 mukainen menetelmä, 5 tunnettu siitä, että esikäsittelyaseman (2) ja ekstruuderilaitteen (3) välinen etäisyys sovitetaan esikä-sitellyn teräsputken (1) riittävän jäähdytyksen saamiseksi.
7. Patenttivaatimuksen 5 tai 6 mukainen menetelmä, t u n - 10. e t t u siitä, että teräsputki (1) lopullisessa kuumennuksessa saavuttaa noin 160°C - 180°C lämpötilan, eli noin adheesiokerroksen sulamispisteen.
FI890646A 1989-02-10 1989-02-10 Foerfarande foer belaeggning av ett staolroer genom extrusion. FI84449C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI890646A FI84449C (fi) 1989-02-10 1989-02-10 Foerfarande foer belaeggning av ett staolroer genom extrusion.
EP90912059A EP0542740B1 (en) 1989-02-10 1990-08-10 Method for coating a steel pipe by extrusion
DE69025201T DE69025201T2 (de) 1989-02-10 1990-08-10 Verfahren zur beschichtung eines stahlrohrs durch extrusion
DK90912059.4T DK0542740T3 (da) 1989-02-10 1990-08-10 Fremgangsmåde til ved ekstrudering af forsyne et stålrør med en beklædning
PCT/FI1990/000193 WO1992002353A1 (en) 1989-02-10 1990-08-10 Method for coating a steel pipe by extrusion

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI890646A FI84449C (fi) 1989-02-10 1989-02-10 Foerfarande foer belaeggning av ett staolroer genom extrusion.
FI890646 1989-02-10
PCT/FI1990/000193 WO1992002353A1 (en) 1989-02-10 1990-08-10 Method for coating a steel pipe by extrusion
FI9000193 1990-08-10

Publications (4)

Publication Number Publication Date
FI890646A0 FI890646A0 (fi) 1989-02-10
FI890646L FI890646L (fi) 1990-08-11
FI84449B true FI84449B (fi) 1991-08-30
FI84449C FI84449C (fi) 1991-12-10

Family

ID=26158498

Family Applications (1)

Application Number Title Priority Date Filing Date
FI890646A FI84449C (fi) 1989-02-10 1989-02-10 Foerfarande foer belaeggning av ett staolroer genom extrusion.

Country Status (5)

Country Link
EP (1) EP0542740B1 (fi)
DE (1) DE69025201T2 (fi)
DK (1) DK0542740T3 (fi)
FI (1) FI84449C (fi)
WO (1) WO1992002353A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980065057A (ko) * 1998-06-20 1998-10-07 윤인선 파이프의 발포단열층 성형방법 및 장치
EP1520675B1 (en) * 2003-05-02 2007-09-19 ALSTOM Power FlowSystems A/S A procedure for the manufacture of foam insulated pipes
JP6581633B2 (ja) * 2017-09-12 2019-09-25 株式会社協成 樹脂被覆鋼管の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629716C3 (de) * 1967-09-29 1983-06-01 Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn Verfahren und Vorrichtung zum kontinuierlichen Aufbringen einer wärme- und schallisolierenden Mantelschicht auf ein Metallrohr
FR2033555A5 (en) * 1969-02-27 1970-12-04 Vallourec Insulated household hot-water pipe
NL171782C (nl) * 1974-11-05 1983-05-16 Ver Buizenfab Werkwijze voor het bekleden van metalen buis, en aldus beklede buis.
DE2519046C3 (de) * 1975-04-25 1979-08-23 Mannesmann Ag, 4000 Duesseldorf Verfahren zum Aufbringen einer Schicht aus Polyäthylen auf ein Stahlrohr
DE3047429C2 (de) * 1980-12-12 1984-09-13 Mannesmann AG, 4000 Düsseldorf Verfahren zum Ummanteln eines Stahlrohres

Also Published As

Publication number Publication date
EP0542740A1 (en) 1993-05-26
WO1992002353A1 (en) 1992-02-20
FI84449C (fi) 1991-12-10
FI890646L (fi) 1990-08-11
FI890646A0 (fi) 1989-02-10
EP0542740B1 (en) 1996-01-31
DE69025201T2 (de) 1996-09-05
DE69025201D1 (de) 1996-03-14
DK0542740T3 (da) 1996-06-03

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Owner name: EUPEC ROHRBESCHICHTUNG GMBH

FG Patent granted

Owner name: EUPEC ROHRBESCHICHTUNG GMBH

MA Patent expired