FR2441483A1 - Procede et installation pour revetir un tube d'acier presentant un cordon de soudure, d'une couche d'enrobage faite d'une matiere plastique du type thermoplastique - Google Patents
Procede et installation pour revetir un tube d'acier presentant un cordon de soudure, d'une couche d'enrobage faite d'une matiere plastique du type thermoplastiqueInfo
- Publication number
- FR2441483A1 FR2441483A1 FR7926397A FR7926397A FR2441483A1 FR 2441483 A1 FR2441483 A1 FR 2441483A1 FR 7926397 A FR7926397 A FR 7926397A FR 7926397 A FR7926397 A FR 7926397A FR 2441483 A1 FR2441483 A1 FR 2441483A1
- Authority
- FR
- France
- Prior art keywords
- coating
- coating layer
- installation
- plastic material
- layer made
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
- B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
- B29C63/048—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like specially adapted for articles having local protrusions, e.g. tubes having a bead weld
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/79—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling of preformed parts or layers
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Coating Apparatus (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
L'INVENTION SE RAPPORTE A L'ENROBAGE DES TUBES D'ACIER. SELON L'INVENTION, ON FAIT AVANCER LE TUBE 1 PREALABLEMENT ENROBE SOUS UNE PLATE-FORME QUI PORTE UN DETECTEUR 11 QUI DETECTE LA POSITION DU JOINT SOUDE 8, UNE SOUFFLERIE D'AIR CHAUD 9 QUI RAMOLLIT LA COUCHE D'ENROBAGE DANS LA REGION DU JOINT SOUDE, UNE EXTRUDEUSE 6, 7 QUI DEPOSE UNE COUCHE DE RENFORCEMENT COMPOSEE DE LA MEME MATIERE QUE L'ENROBAGE, UNE RAMPE D'ARROSAGE 10 QUI PROJETTE DE L'EAU DE REFROIDISSEMENT SUR LA COUCHE DE REVETEMENT ET UN APPAREIL 12 QUI CONTROLE LA BONNE EXECUTION DU DEPOT DE LA COUCHE DE RENFORCEMENT. L'INVENTION S'APPLIQUE NOTAMMENT A LA PROTECTION CONTRE LA CORROSION DES TUBES DESTINES A ETRE ENTERRES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2849814A DE2849814C2 (de) | 1978-11-14 | 1978-11-14 | Verfahren und Vorrichtung zum Beschichten eines eine Schweißnaht aufweisenden Stahlrohres mit einer Mantelschicht aus thermoplastischem Kunststoff |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2441483A1 true FR2441483A1 (fr) | 1980-06-13 |
FR2441483B1 FR2441483B1 (fr) | 1983-11-25 |
Family
ID=6054875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7926397A Granted FR2441483A1 (fr) | 1978-11-14 | 1979-10-24 | Procede et installation pour revetir un tube d'acier presentant un cordon de soudure, d'une couche d'enrobage faite d'une matiere plastique du type thermoplastique |
Country Status (8)
Country | Link |
---|---|
US (1) | US4287223A (fr) |
JP (1) | JPS603981B2 (fr) |
DE (1) | DE2849814C2 (fr) |
FR (1) | FR2441483A1 (fr) |
GB (1) | GB2035148B (fr) |
IT (1) | IT1123259B (fr) |
NL (1) | NL7906730A (fr) |
SU (1) | SU824885A3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112697353A (zh) * | 2020-12-07 | 2021-04-23 | 陕西广大重型机械有限公司 | 一种风机机壳焊缝缺陷检测方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3130119C2 (de) * | 1981-07-27 | 1983-07-07 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum kantengeregelten Aufbringen einer Farblinie auf langgestrecktem Walzgut |
US5003918A (en) * | 1989-12-28 | 1991-04-02 | Interventional Technologies, Inc. | Apparatus for manufacturing atherectomy torque tubes |
US5352292A (en) * | 1993-01-04 | 1994-10-04 | The Kendall Company | Apparatus for coating exterior weld joints of a pipe |
GB9810898D0 (en) * | 1998-05-20 | 1998-07-22 | Nullifire Ltd | Apparatus and method for casting a coating onto a pillar |
GB0121015D0 (en) * | 2001-08-30 | 2001-10-24 | Bredero Price Coaters Ltd | Coating procedures and equipment |
CA2537348A1 (fr) * | 2006-02-22 | 2007-08-22 | Shawcor Ltd. | Methode de revetement de tuyaux ayant un cordon de soudure |
CN102909157A (zh) * | 2012-10-11 | 2013-02-06 | 浙江师范大学 | 一种适用于发热管内壁电热膜喷涂的喷射装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH536198A (de) * | 1971-04-05 | 1973-04-30 | Mannesmann Ag | Verfahren und Vorrichtung zum Ummanteln eines Stahlrohres mit thermoplastischem Kunststoff |
-
1978
- 1978-11-14 DE DE2849814A patent/DE2849814C2/de not_active Expired
-
1979
- 1979-09-10 NL NL7906730A patent/NL7906730A/nl not_active Application Discontinuation
- 1979-09-20 IT IT25890/79A patent/IT1123259B/it active
- 1979-09-25 JP JP54123074A patent/JPS603981B2/ja not_active Expired
- 1979-10-24 FR FR7926397A patent/FR2441483A1/fr active Granted
- 1979-10-30 GB GB7937522A patent/GB2035148B/en not_active Expired
- 1979-11-11 SU SU792843109A patent/SU824885A3/ru active
- 1979-11-14 US US06/094,231 patent/US4287223A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112697353A (zh) * | 2020-12-07 | 2021-04-23 | 陕西广大重型机械有限公司 | 一种风机机壳焊缝缺陷检测方法 |
Also Published As
Publication number | Publication date |
---|---|
SU824885A3 (ru) | 1981-04-23 |
US4287223A (en) | 1981-09-01 |
DE2849814B1 (de) | 1980-02-21 |
IT7925890A0 (it) | 1979-09-20 |
FR2441483B1 (fr) | 1983-11-25 |
JPS5567411A (en) | 1980-05-21 |
GB2035148A (en) | 1980-06-18 |
JPS603981B2 (ja) | 1985-01-31 |
GB2035148B (en) | 1982-12-22 |
DE2849814C2 (de) | 1980-10-09 |
NL7906730A (nl) | 1980-05-19 |
IT1123259B (it) | 1986-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |