FI84449C - Foerfarande foer belaeggning av ett staolroer genom extrusion. - Google Patents
Foerfarande foer belaeggning av ett staolroer genom extrusion. Download PDFInfo
- Publication number
- FI84449C FI84449C FI890646A FI890646A FI84449C FI 84449 C FI84449 C FI 84449C FI 890646 A FI890646 A FI 890646A FI 890646 A FI890646 A FI 890646A FI 84449 C FI84449 C FI 84449C
- Authority
- FI
- Finland
- Prior art keywords
- layer
- steel tube
- tube
- coated
- heating
- Prior art date
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.
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 |
PCT/FI1990/000193 WO1992002353A1 (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 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI890646 | 1989-02-10 | ||
FI890646A FI84449C (fi) | 1989-02-10 | 1989-02-10 | Foerfarande foer belaeggning av ett staolroer genom extrusion. |
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 |
FI890646A FI890646A (fi) | 1990-08-11 |
FI84449B FI84449B (fi) | 1991-08-30 |
FI84449C true 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980065057A (ko) * | 1998-06-20 | 1998-10-07 | 윤인선 | 파이프의 발포단열층 성형방법 및 장치 |
ATE373556T1 (de) * | 2003-05-02 | 2007-10-15 | Alstom Power Flowsystems As | Verfahren zur herstellung von schaumisolierten rohren |
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)
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 |
-
1989
- 1989-02-10 FI FI890646A patent/FI84449C/fi not_active IP Right Cessation
-
1990
- 1990-08-10 WO PCT/FI1990/000193 patent/WO1992002353A1/en active IP Right Grant
- 1990-08-10 DE DE69025201T patent/DE69025201T2/de not_active Expired - Lifetime
- 1990-08-10 EP EP90912059A patent/EP0542740B1/en not_active Expired - Lifetime
- 1990-08-10 DK DK90912059.4T patent/DK0542740T3/da active
Also Published As
Publication number | Publication date |
---|---|
DK0542740T3 (da) | 1996-06-03 |
DE69025201D1 (de) | 1996-03-14 |
WO1992002353A1 (en) | 1992-02-20 |
EP0542740B1 (en) | 1996-01-31 |
EP0542740A1 (en) | 1993-05-26 |
FI890646A0 (fi) | 1989-02-10 |
FI890646A (fi) | 1990-08-11 |
FI84449B (fi) | 1991-08-30 |
DE69025201T2 (de) | 1996-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: EUPEC ROHRBESCHICHTUNG GMBH |
|
FG | Patent granted |
Owner name: EUPEC ROHRBESCHICHTUNG GMBH |
|
MA | Patent expired |