DE2700478C2 - Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres - Google Patents

Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres

Info

Publication number
DE2700478C2
DE2700478C2 DE2700478A DE2700478A DE2700478C2 DE 2700478 C2 DE2700478 C2 DE 2700478C2 DE 2700478 A DE2700478 A DE 2700478A DE 2700478 A DE2700478 A DE 2700478A DE 2700478 C2 DE2700478 C2 DE 2700478C2
Authority
DE
Germany
Prior art keywords
inner tube
foam
tube
pipe
outer jacket
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
Application number
DE2700478A
Other languages
German (de)
English (en)
Other versions
DE2700478A1 (de
Inventor
Bernd 3000 Hannover Eilhardt
Gerhard Dr.-Ing. 3012 Langenhagen Ziemek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE2700478A priority Critical patent/DE2700478C2/de
Priority to CH1065877A priority patent/CH622738A5/de
Priority to DK401977A priority patent/DK151856C/da
Priority to FI772696A priority patent/FI772696A/fi
Priority to GB41642/77A priority patent/GB1547113A/en
Priority to ES463034A priority patent/ES463034A1/es
Priority to FR7731947A priority patent/FR2376737A1/fr
Priority to NLAANVRAGE7712145,A priority patent/NL188513C/xx
Priority to IT51721/77A priority patent/IT1090932B/it
Priority to SE7714944A priority patent/SE431178B/sv
Priority to JP30378A priority patent/JPS5385556A/ja
Priority to BE184144A priority patent/BE862693A/xx
Priority to NO780051A priority patent/NO780051L/no
Publication of DE2700478A1 publication Critical patent/DE2700478A1/de
Application granted granted Critical
Publication of DE2700478C2 publication Critical patent/DE2700478C2/de
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/04Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22Shaping 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion 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
    • B29C48/151Coating hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion 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)
DE2700478A 1977-01-07 1977-01-07 Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres Expired DE2700478C2 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DE2700478A DE2700478C2 (de) 1977-01-07 1977-01-07 Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres
CH1065877A CH622738A5 (en) 1977-01-07 1977-09-01 Process for producing a heat- and sound-insulated conduit pipe
DK401977A DK151856C (da) 1977-01-07 1977-09-09 Fremgangsmaade til fremstilling af et varme- og lydisoleret ledningsroer
FI772696A FI772696A (fi) 1977-01-07 1977-09-13 Foerfarande foer framstaellning av ett vaerme- och ljudisolerat ledningsroer
GB41642/77A GB1547113A (en) 1977-01-07 1977-10-06 Method of producing a thermally and acoustically insulated pipe
ES463034A ES463034A1 (es) 1977-01-07 1977-10-07 Procedimiento para la fabricacion de un tubo de conduccion con aislamiento termico y acustico.
FR7731947A FR2376737A1 (fr) 1977-01-07 1977-10-24 Procede de fabrication d'un tube de conduite isole a la chaleur et contre le bruit
NLAANVRAGE7712145,A NL188513C (nl) 1977-01-07 1977-11-03 Werkwijze voor het vervaardigen van een tegen warmte en geluid isolerende leidingbuis.
IT51721/77A IT1090932B (it) 1977-01-07 1977-11-07 Procedimento per la produzione di tubazioni isolate termicamente ed acusticamente
SE7714944A SE431178B (sv) 1977-01-07 1977-12-30 Forfarande for framstellning av ett verme- och ljudisolerat ledningsror
JP30378A JPS5385556A (en) 1977-01-07 1978-01-06 Method of producing heat insualting and sound insulation duct
BE184144A BE862693A (fr) 1977-01-07 1978-01-06 Procede de fabrication d'un tube de canalisation calorifuge et insonorise
NO780051A NO780051L (no) 1977-01-07 1978-01-06 Fremgangsmaate for fremstilling av et varme- og lydisolert ledningsroer

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 (2)

Publication Number Publication Date
DE2700478A1 DE2700478A1 (de) 1978-07-20
DE2700478C2 true DE2700478C2 (de) 1986-07-10

Family

ID=5998249

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2700478A Expired DE2700478C2 (de) 1977-01-07 1977-01-07 Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres

Country Status (13)

Country Link
JP (1) JPS5385556A (el)
BE (1) BE862693A (el)
CH (1) CH622738A5 (el)
DE (1) DE2700478C2 (el)
DK (1) DK151856C (el)
ES (1) ES463034A1 (el)
FI (1) FI772696A (el)
FR (1) FR2376737A1 (el)
GB (1) GB1547113A (el)
IT (1) IT1090932B (el)
NL (1) NL188513C (el)
NO (1) NO780051L (el)
SE (1) SE431178B (el)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
EP2379933B1 (en) 2008-12-22 2018-05-16 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2700478A1 (de) 1978-07-20
BE862693A (fr) 1978-07-06
NL7712145A (nl) 1978-07-11
DK401977A (da) 1978-07-08
NO780051L (no) 1978-07-10
FR2376737B1 (el) 1983-02-25
SE7714944L (sv) 1978-07-08
JPS5385556A (en) 1978-07-28
GB1547113A (en) 1979-06-06
FR2376737A1 (fr) 1978-08-04
DK151856C (da) 1988-06-06
NL188513B (nl) 1992-02-17
CH622738A5 (en) 1981-04-30
ES463034A1 (es) 1978-07-16
DK151856B (da) 1988-01-11
FI772696A (fi) 1978-07-08
IT1090932B (it) 1985-06-26
NL188513C (nl) 1992-07-16
SE431178B (sv) 1984-01-23
JPS6218340B2 (el) 1987-04-22

Similar Documents

Publication Publication Date Title
EP0897788B1 (de) Verfahren zur Herstellung eines wärmeisolierten Leitungsrohres
DE2728130C2 (de) Verfahren zur kontinuierlichen Spritzbeschichtung mit Polyolefinschaum
DE69831870T2 (de) Koaxialkabel und sein herstellungsverfahren
DE2361222C3 (de) Mehrschichtrohr sowie Verfahren zu dessen Herstellung
DE1266485C2 (de) Einrichtung zum kontinuierlichen herstellen eines schaumstoffisolierrohres
EP3758910B1 (de) Verfahren und vorrichtung zur herstellung eines wärmegedämmten leitungsrohrs
DE2700478C2 (de) Verfahren zur Herstellung eines wärme- und schallisolierten Leitungsrohres
WO2001043939A1 (de) Extrusionsvorrichtung und verfahren zur herstellung von kunststoffhohlprofilen mit wenigstens einem ausgeschäumten hohlkammerraum
EP2602086B1 (de) Verfahren zur Herstellung eines Kunststoffhohlprofils mit wenigstens einer mit einem Schaumkörper versehenen Hohlkammer sowie ein Extrusionswerkzeug dafür
CH710709A1 (de) Leitungsrohr mit thermischer Dämmung.
DE3530187C2 (de) Verfahren und Vorrichtung zur Herstellung von thermisch isolierten Leitungsrohren
DE3208724C2 (el)
DE1113970B (de) Verfahren zur Herstellung einer hohlraumisolierten elektrischen Leitung
DE2316835C3 (de) Verfahren und Vorrichtung zum Herstellen eines Verbundrohres aus thermoplastischen Kunststoffen
DE1504517A1 (de) Verfahren und Vorrichtung zum kontinuierlichen Umhuellen von Rohren oder dergleichen mit Schaumstoffen
DE2366018C2 (de) Verfahren zur Herstellung eines Kunststoffrohres mit quergerillter Außenfläche für elektrische Leitungen
DE2945275C2 (de) Verfahren zum Ummanteln eines Metallrohres mit einer wärmeisolierenden Schaumstoffschicht
DE1690067C3 (de) Vorrichtung zur Erzeugung einer abstandhaltenden, rohrförmigen Luftraumisolierung für Hochfrequenzkabel
DE3126505C2 (el)
AT399123B (de) Verfahren zur herstellung eines wärmeisolierten leitungsrohres
DE1778407A1 (de) Verfahren und Vorrichtung zur kontinuierlichen Herstellung von laengsgeschlitzten,rohrfoermigen Koerpern aus geschaeumten Werkstoffen,insbesondere Schaumkunststoffen
DE3242074C2 (el)
DE1704992A1 (de) Verfahren zur Herstellung von Formkoerpern aus Polyurethanschaumstoff
DE2504086C2 (de) Verfahren zur kontinuierlichen Herstellung wärme- und schallisolierter Leitungsrohre
DE2728667C3 (de) Verfahren und Vorrichtung zum Herstellen einer mit Hohlräumen versehenen Schaumstoffbahn

Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8110 Request for examination paragraph 44
8125 Change of the main classification

Free format text: B29D 27/00 B29D 23/05

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee