SE7714944L - Forfarande for framstellning av ett verme- och ljudisolerat ledningsror - Google Patents

Forfarande for framstellning av ett verme- och ljudisolerat ledningsror

Info

Publication number
SE7714944L
SE7714944L SE7714944A SE7714944A SE7714944L SE 7714944 L SE7714944 L SE 7714944L SE 7714944 A SE7714944 A SE 7714944A SE 7714944 A SE7714944 A SE 7714944A SE 7714944 L SE7714944 L SE 7714944L
Authority
SE
Sweden
Prior art keywords
pipe
foam composition
forming
heat
outer pipe
Prior art date
Application number
SE7714944A
Other languages
English (en)
Other versions
SE431178B (sv
Inventor
B Eilhardt
G Ziemek
Original Assignee
Kabel Metallwerke Ghh
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 Kabel Metallwerke Ghh filed Critical Kabel Metallwerke Ghh
Publication of SE7714944L publication Critical patent/SE7714944L/sv
Publication of SE431178B publication Critical patent/SE431178B/sv

Links

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)
  • Communication Cables (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
SE7714944A 1977-01-07 1977-12-30 Forfarande for framstellning av ett verme- och ljudisolerat ledningsror SE431178B (sv)

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
SE7714944L true SE7714944L (sv) 1978-07-08
SE431178B SE431178B (sv) 1984-01-23

Family

ID=5998249

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7714944A SE431178B (sv) 1977-01-07 1977-12-30 Forfarande for framstellning av ett verme- och ljudisolerat ledningsror

Country Status (13)

Country Link
JP (1) JPS5385556A (sv)
BE (1) BE862693A (sv)
CH (1) CH622738A5 (sv)
DE (1) DE2700478C2 (sv)
DK (1) DK151856C (sv)
ES (1) ES463034A1 (sv)
FI (1) FI772696A7 (sv)
FR (1) FR2376737A1 (sv)
GB (1) GB1547113A (sv)
IT (1) IT1090932B (sv)
NL (1) NL188513C (sv)
NO (1) NO780051L (sv)
SE (1) SE431178B (sv)

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
US8485229B2 (en) 2008-12-22 2013-07-16 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
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
DE1704748C3 (de) * 1951-01-28 1974-11-28 Kabel Metallwerke Ghh Verfahren zum kontinuierlichen Herstellen thermisch isolierter Rohre
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
DK151856B (da) 1988-01-11
FI772696A7 (fi) 1978-07-08
DE2700478A1 (de) 1978-07-20
NL188513B (nl) 1992-02-17
DK401977A (da) 1978-07-08
IT1090932B (it) 1985-06-26
NL7712145A (nl) 1978-07-11
DE2700478C2 (de) 1986-07-10
BE862693A (fr) 1978-07-06
NL188513C (nl) 1992-07-16
FR2376737B1 (sv) 1983-02-25
JPS6218340B2 (sv) 1987-04-22
ES463034A1 (es) 1978-07-16
JPS5385556A (en) 1978-07-28
FR2376737A1 (fr) 1978-08-04
NO780051L (no) 1978-07-10
DK151856C (da) 1988-06-06
GB1547113A (en) 1979-06-06
CH622738A5 (en) 1981-04-30
SE431178B (sv) 1984-01-23

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