DE2411949C2 - Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre - Google Patents
Verfahren zur kontinuierlichen Herstellung wärmeisolierter LeitungsrohreInfo
- Publication number
- DE2411949C2 DE2411949C2 DE2411949A DE2411949A DE2411949C2 DE 2411949 C2 DE2411949 C2 DE 2411949C2 DE 2411949 A DE2411949 A DE 2411949A DE 2411949 A DE2411949 A DE 2411949A DE 2411949 C2 DE2411949 C2 DE 2411949C2
- Authority
- DE
- Germany
- Prior art keywords
- polyethylene
- heat
- pipe
- continuous production
- crosslinking
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- 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
- B05D7/20—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 wires
-
- 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
- B29C48/15—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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/12—Applying particulate materials
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
- B05D1/42—Distributing applied liquids or other fluent materials by members moving relatively to surface by non-rotary members
-
- 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
- B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
- B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
- B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
Claims (1)
- Patentanspruch:Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre, bei dem zunächst ein aufschäumbarer Kunststoff auf ein Metallrohr extrudiert und anschließend aufgeschäumt wird, dadurch gekennzeichnet, daß zunächst eine Vernetzung des thermoplastischen Kunststoffes eingeleitet und während der Vernetzung die Aufschäumung vorgenommen wird.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2411949A DE2411949C2 (de) | 1974-03-13 | 1974-03-13 | Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre |
BE153868A BE826131A (fr) | 1974-03-13 | 1975-02-28 | Procede de fabrication continue de tuyaux de canalisation calorifuges |
IT48496/75A IT1029977B (it) | 1974-03-13 | 1975-03-06 | Procedimento per la produzione continua di condutture termicamento isolate |
GB985675A GB1458490A (en) | 1974-03-13 | 1975-03-10 | Method of continuously producing thermally insulated piping and piping produced thereby |
FR7507880A FR2263880B1 (de) | 1974-03-13 | 1975-03-13 | |
JP50029603A JPS6033659B2 (ja) | 1974-03-13 | 1975-03-13 | 断熱性導線管の連続製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2411949A DE2411949C2 (de) | 1974-03-13 | 1974-03-13 | Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2411949A1 DE2411949A1 (de) | 1975-09-25 |
DE2411949C2 true DE2411949C2 (de) | 1984-09-06 |
Family
ID=5909901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2411949A Expired DE2411949C2 (de) | 1974-03-13 | 1974-03-13 | Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS6033659B2 (de) |
BE (1) | BE826131A (de) |
DE (1) | DE2411949C2 (de) |
FR (1) | FR2263880B1 (de) |
GB (1) | GB1458490A (de) |
IT (1) | IT1029977B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2628883A1 (de) * | 1976-06-26 | 1978-01-05 | Kabel Metallwerke Ghh | Verfahren zum herstellen einer umhuellung aus aufgeschaeumtem kunststoff |
JPS56122841A (en) * | 1980-03-04 | 1981-09-26 | Furukawa Electric Co Ltd:The | Production of heat insulating pipe |
DE3936431C1 (de) * | 1989-11-02 | 1991-01-17 | Kabelmetal Electro Gmbh, 3000 Hannover, De | |
EP0916797A3 (de) * | 1997-11-11 | 2000-06-07 | GLASWERKE ARNOLD GmbH & Co. KG | Fenster oder Tür |
CN114887857B (zh) * | 2022-06-17 | 2023-02-24 | 哈尔滨理工大学 | 一种无机隔热保温涂料的施工方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1504632A1 (de) * | 1951-01-28 | 1969-10-09 | Kabel Metallwerke Ghh | Verfahren und Vorrichtung zur Herstellung einer nahtlosen Huelle aus biegefaehigem waermeisolierendem Schaumstoff auf einem biegefaehigen Metallrohr in fortlaufendem horizontalem Arbeitsgang |
DE1629367A1 (de) * | 1966-08-11 | 1971-02-04 | Dynamit Nobel Ag | Verfahren zur kontinuierlichen Herstellung von vernetzten Polyolefin-Schaumstoffen |
DE2242655C2 (de) * | 1972-08-30 | 1982-05-13 | Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover | Verfahren und Vorrichtung zum Aufbringen einer Kunststoffschicht auf einen metallischen Draht |
-
1974
- 1974-03-13 DE DE2411949A patent/DE2411949C2/de not_active Expired
-
1975
- 1975-02-28 BE BE153868A patent/BE826131A/xx not_active IP Right Cessation
- 1975-03-06 IT IT48496/75A patent/IT1029977B/it active
- 1975-03-10 GB GB985675A patent/GB1458490A/en not_active Expired
- 1975-03-13 FR FR7507880A patent/FR2263880B1/fr not_active Expired
- 1975-03-13 JP JP50029603A patent/JPS6033659B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6033659B2 (ja) | 1985-08-03 |
BE826131A (fr) | 1975-06-16 |
GB1458490A (en) | 1976-12-15 |
FR2263880A1 (de) | 1975-10-10 |
JPS50132069A (de) | 1975-10-18 |
IT1029977B (it) | 1979-03-20 |
DE2411949A1 (de) | 1975-09-25 |
FR2263880B1 (de) | 1979-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OD | Request for examination | ||
Q176 | The application caused the suspense of an application |
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AG | Has addition no. |
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D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
AG | Has addition no. |
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8339 | Ceased/non-payment of the annual fee |