DK221480A - Fremgangsmaade til fremstilling af varmeisolerede ledningsroer - Google Patents

Fremgangsmaade til fremstilling af varmeisolerede ledningsroer

Info

Publication number
DK221480A
DK221480A DK221480A DK221480A DK221480A DK 221480 A DK221480 A DK 221480A DK 221480 A DK221480 A DK 221480A DK 221480 A DK221480 A DK 221480A DK 221480 A DK221480 A DK 221480A
Authority
DK
Denmark
Prior art keywords
drawn
tubing
procedure
insulated conductors
manufacturing heat
Prior art date
Application number
DK221480A
Other languages
English (en)
Other versions
DK153178B (da
DK153178C (da
Inventor
O Uhlmann
K P Uhlmann
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 DK221480A publication Critical patent/DK221480A/da
Publication of DK153178B publication Critical patent/DK153178B/da
Application granted granted Critical
Publication of DK153178C publication Critical patent/DK153178C/da

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
    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Insulating Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Metal Extraction Processes (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Insulated Conductors (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
DK221480A 1979-12-01 1980-05-21 Fremgangsmaade til fremstilling af varmeisolerende ledningsroer DK153178C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2948484 1979-12-01
DE19792948484 DE2948484A1 (de) 1979-12-01 1979-12-01 Verfahren zur kontinuierlichen herstellung von waermeisolierten leitungsrohren

Publications (3)

Publication Number Publication Date
DK221480A true DK221480A (da) 1981-06-02
DK153178B DK153178B (da) 1988-06-20
DK153178C DK153178C (da) 1988-11-14

Family

ID=6087405

Family Applications (1)

Application Number Title Priority Date Filing Date
DK221480A DK153178C (da) 1979-12-01 1980-05-21 Fremgangsmaade til fremstilling af varmeisolerende ledningsroer

Country Status (8)

Country Link
EP (1) EP0029874B1 (da)
AT (1) ATE9246T1 (da)
AU (1) AU6136280A (da)
DE (1) DE2948484A1 (da)
DK (1) DK153178C (da)
ES (1) ES492962A0 (da)
FI (1) FI73807C (da)
PT (1) PT71469A (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE49144T1 (de) * 1984-10-19 1990-01-15 Schumag Ag Verfahren zum geradeausziehen von rundmaterial und rohren sowie voll- und hohlprofil und anlage hierzu.
DE19629678A1 (de) * 1996-07-23 1998-01-29 Brugg Rohrsysteme Gmbh Verfahren zur Herstellung eines wärmeisolierten Leitungsrohres
CN101298084B (zh) * 2008-07-03 2010-08-04 中铝洛阳铜业有限公司 不等径壁厚或等径壁厚d型铜管的加工工艺
CA2715363C (en) 2009-09-22 2018-01-02 Great Lakes Copper Inc. Fluid transfer device having leak indication and method of making same
CN101985132B (zh) * 2010-10-15 2013-06-26 中冶东方工程技术有限公司 一种热连轧无缝钢管生产方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
GB1108794A (en) * 1964-12-21 1968-04-03 Exxon Research Engineering Co Spray foam insulated pipe
DE2305348A1 (de) * 1973-02-03 1974-08-08 Kabel Metallwerke Ghh Verfahren zur herstellung thermisch isolierter leitungsrohre
CA990587A (en) * 1974-01-07 1976-06-08 Insta-Foam Products Method and apparatus for forming jacketed, insulated pipe
US3965551A (en) * 1975-08-14 1976-06-29 Allied Tube & Conduit Corporation Production of polymer-coated steel tubing

Also Published As

Publication number Publication date
EP0029874A3 (en) 1982-01-27
EP0029874B1 (de) 1984-09-05
EP0029874A2 (de) 1981-06-10
ES8102490A1 (es) 1981-02-16
FI73807B (fi) 1987-07-31
FI73807C (fi) 1987-11-09
FI801891A7 (fi) 1981-06-02
DK153178B (da) 1988-06-20
ES492962A0 (es) 1981-02-16
DK153178C (da) 1988-11-14
DE2948484A1 (de) 1981-06-04
PT71469A (de) 1980-07-01
ATE9246T1 (de) 1984-09-15
DE2948484C2 (da) 1987-07-09
AU6136280A (en) 1981-06-11

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