NO780051L - Fremgangsmaate for fremstilling av et varme- og lydisolert ledningsroer - Google Patents
Fremgangsmaate for fremstilling av et varme- og lydisolert ledningsroerInfo
- Publication number
- NO780051L NO780051L NO780051A NO780051A NO780051L NO 780051 L NO780051 L NO 780051L NO 780051 A NO780051 A NO 780051A NO 780051 A NO780051 A NO 780051A NO 780051 L NO780051 L NO 780051L
- Authority
- NO
- Norway
- Prior art keywords
- inner tube
- tube
- plastic
- foam
- supplied
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 33
- 229920003023 plastic Polymers 0.000 claims description 33
- 239000006260 foam Substances 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000012815 thermoplastic material Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011888 foil Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- 239000003000 extruded plastic Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool
-
- 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
- B29C44/22—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Thermal Insulation (AREA)
- Molding Of Porous Articles (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Communication Cables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2700478A DE2700478C2 (de) | 1977-01-07 | 1977-01-07 | Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO780051L true NO780051L (no) | 1978-07-10 |
Family
ID=5998249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO780051A NO780051L (no) | 1977-01-07 | 1978-01-06 | Fremgangsmaate for fremstilling av et varme- og lydisolert ledningsroer |
Country Status (13)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3208724A1 (de) * | 1982-03-11 | 1983-09-22 | kabelmetal electro GmbH, 3000 Hannover | Verfahren zur herstellung eines waermeisolierten leitungsrohres |
| GB2120747A (en) * | 1982-05-20 | 1983-12-07 | Hepworth Plastics Ltd | Pipes for pipelines |
| US8714206B2 (en) | 2007-12-21 | 2014-05-06 | Shawcor Ltd. | Styrenic insulation for pipe |
| US8397765B2 (en) | 2008-07-25 | 2013-03-19 | Shawcor Ltd. | High temperature resistant insulation for pipe |
| WO2010072001A1 (en) | 2008-12-22 | 2010-07-01 | Shawcor Ltd. | Wrappable styrenic pipe insulations |
| EP2213440A1 (de) * | 2009-01-29 | 2010-08-04 | Brugg Rohr AG, Holding | Verfahren zur Herstellung eines wärmeisolierten Leitungsrohres |
| DE202009007391U1 (de) | 2009-05-23 | 2009-08-13 | Kraussmaffei Technologies Gmbh | Vorrichtung zum Auftragen eines Kunststoffmaterials auf die Oberfläche eines Rohrkörpers |
| CN111347609A (zh) * | 2020-03-12 | 2020-06-30 | 李文丽 | 一种发泡保温管加工装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI19973A (fi) * | 1941-05-14 | 1944-03-10 | Tvärarm för hässjestörar | |
| DE1704748C3 (de) * | 1951-01-28 | 1974-11-28 | Kabel Metallwerke Ghh | Verfahren zum kontinuierlichen Herstellen thermisch isolierter Rohre |
| 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 |
| US2910730A (en) * | 1956-07-05 | 1959-11-03 | Pittsburgh Plate Glass Co | Filling elongated cavities with polyurethane foams |
| DK111935B (da) * | 1963-06-14 | 1968-10-21 | E Andersen | Fremgangsmåde til varmeisolering af rør ved udstøbning af et varmeisolerende skumstof mellem røret og et røret omgivende beskyttelsesrør. |
| DE1959464A1 (de) * | 1969-11-27 | 1971-06-03 | Bayer Ag | Verfahren und Vorrichtung zum kontinuierlichen Strangpressen von endlosen Profilen mit einem Mantel aus thermoplastischem Kunststoff und einem Schaumstoffkern und nach diesem hergestellte Profile |
| DE2224314A1 (de) * | 1972-05-18 | 1973-11-29 | Kabel Metallwerke Ghh | Verfahren zur herstellung schallisolierter lueftungsrohre |
| GB1482661A (en) * | 1974-07-25 | 1977-08-10 | Rakennusmuovi Oy | Method of manufacturing an insulated conduit |
| SE389054B (sv) * | 1975-11-18 | 1976-10-25 | Lundbergs Fab Ab N | Munstycke for tillforsel av tva komponenter vid framstellning av ett cellplastskikt mellan ett ror och en omgivande form |
-
1977
- 1977-01-07 DE DE2700478A patent/DE2700478C2/de not_active Expired
- 1977-09-01 CH CH1065877A patent/CH622738A5/de not_active IP Right Cessation
- 1977-09-09 DK DK401977A patent/DK151856C/da not_active IP Right Cessation
- 1977-09-13 FI FI772696A patent/FI772696A7/fi not_active Application Discontinuation
- 1977-10-06 GB GB41642/77A patent/GB1547113A/en not_active Expired
- 1977-10-07 ES ES463034A patent/ES463034A1/es not_active Expired
- 1977-10-24 FR FR7731947A patent/FR2376737A1/fr active Granted
- 1977-11-03 NL NLAANVRAGE7712145,A patent/NL188513C/xx not_active IP Right Cessation
- 1977-11-07 IT IT51721/77A patent/IT1090932B/it active
- 1977-12-30 SE SE7714944A patent/SE431178B/sv not_active IP Right Cessation
-
1978
- 1978-01-06 JP JP30378A patent/JPS5385556A/ja active Granted
- 1978-01-06 BE BE184144A patent/BE862693A/xx not_active IP Right Cessation
- 1978-01-06 NO NO780051A patent/NO780051L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK401977A (da) | 1978-07-08 |
| SE7714944L (sv) | 1978-07-08 |
| NL7712145A (nl) | 1978-07-11 |
| FR2376737B1 (enrdf_load_stackoverflow) | 1983-02-25 |
| IT1090932B (it) | 1985-06-26 |
| DE2700478A1 (de) | 1978-07-20 |
| JPS6218340B2 (enrdf_load_stackoverflow) | 1987-04-22 |
| NL188513C (nl) | 1992-07-16 |
| NL188513B (nl) | 1992-02-17 |
| GB1547113A (en) | 1979-06-06 |
| DE2700478C2 (de) | 1986-07-10 |
| CH622738A5 (en) | 1981-04-30 |
| DK151856C (da) | 1988-06-06 |
| SE431178B (sv) | 1984-01-23 |
| DK151856B (da) | 1988-01-11 |
| FR2376737A1 (fr) | 1978-08-04 |
| JPS5385556A (en) | 1978-07-28 |
| FI772696A7 (fi) | 1978-07-08 |
| ES463034A1 (es) | 1978-07-16 |
| BE862693A (fr) | 1978-07-06 |
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