GB1573814A - Sheathed pipe - Google Patents

Sheathed pipe Download PDF

Info

Publication number
GB1573814A
GB1573814A GB118977A GB118977A GB1573814A GB 1573814 A GB1573814 A GB 1573814A GB 118977 A GB118977 A GB 118977A GB 118977 A GB118977 A GB 118977A GB 1573814 A GB1573814 A GB 1573814A
Authority
GB
United Kingdom
Prior art keywords
iron
pipe
sheath
powdered
powdered iron
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
GB118977A
Other languages
English (en)
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB1573814A publication Critical patent/GB1573814A/en
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
    • F16L9/00Rigid pipes
    • F16L9/14Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
    • F16L9/147Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
    • 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
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12Laying or reclaiming pipes on or under water
    • F16L1/16Laying or reclaiming pipes on or under water on the bottom
    • F16L1/163Laying or reclaiming pipes on or under water on the bottom by varying the apparent weight of the pipe during the laying operation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
GB118977A 1976-01-16 1977-01-12 Sheathed pipe Expired GB1573814A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762601990 DE2601990A1 (de) 1976-01-16 1976-01-16 Verfahren zur herstellung von elastischen ummantelungen fuer erdgas- und/oder erdoelleitungen

Publications (1)

Publication Number Publication Date
GB1573814A true GB1573814A (en) 1980-08-28

Family

ID=5967829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB118977A Expired GB1573814A (en) 1976-01-16 1977-01-12 Sheathed pipe

Country Status (4)

Country Link
DE (1) DE2601990A1 (enExample)
FR (1) FR2338131A1 (enExample)
GB (1) GB1573814A (enExample)
IT (1) IT1067956B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003438A1 (en) * 1981-04-07 1982-10-14 Erik Brandtzeg Meyer Weight coated subsea pipe line section and method for weighting and protecting a subsea steel pipe
WO1987004768A1 (en) * 1986-02-06 1987-08-13 Norsk Hydro A.S. Insulation and weight coating for subsea pipelines and method for production of the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784734B1 (fr) * 1998-10-14 2000-11-24 Novoplastic Sa Ensemble pour la construction d'un reseau de transport subaquatique de fluide, d'energie, ou de signaux

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982003438A1 (en) * 1981-04-07 1982-10-14 Erik Brandtzeg Meyer Weight coated subsea pipe line section and method for weighting and protecting a subsea steel pipe
US4606378A (en) * 1981-04-07 1986-08-19 Meyer Erik B Weightcoated subsea pipeline section
WO1987004768A1 (en) * 1986-02-06 1987-08-13 Norsk Hydro A.S. Insulation and weight coating for subsea pipelines and method for production of the same

Also Published As

Publication number Publication date
FR2338131A1 (fr) 1977-08-12
DE2601990A1 (de) 1977-12-08
FR2338131B3 (enExample) 1979-09-07
IT1067956B (it) 1985-03-21

Similar Documents

Publication Publication Date Title
GB1271486A (en) Process for making iron-chromium alloys
GB1559964A (en) Process for treating liquid steel intended in particular for manufacturing machine wire
US5352271A (en) Composite wire with a plastic sheath for additions to metallic baths
GB1573814A (en) Sheathed pipe
ZA9710138B (en) Melting of Ni laterite in making alloyed iron or steel background of the invention.
US3080228A (en) Process for the production of cast iron
JPS57126917A (en) Production of hollow stabilizer
CA1074125A (en) Reducing material for steel making
US3305352A (en) Process of producing alloys
JPS56123318A (en) Refining method of metal refining furnace for producing large amount of co for recovering exhaust gas
ES8107122A1 (es) Procedimiento mejorado para la preparacion de los fosfuros de aluminio o magnesio
US3527598A (en) Process of making steel from prereduced products
US3856510A (en) Pig iron refining process
GB2087427A (en) Use of an Austenitic Steel in the Cold-hardened State under Conditions of Extreme Corrosion
JPS51150192A (en) Grinder and production process therefor
JPS56130420A (en) Refining method of molten iron and molten steel
DE3069043D1 (en) Process for producing desulfurizing agents for pig iron or steel melts
US4315774A (en) Method of safely injecting oxygen reactive materials into a submerged oxygen gas stream
US3374088A (en) Method for producing low silicon ferromanganese alloys
Mazel Demystifying Ladle Metallurgy
DE3369968D1 (en) Process for the purification of benzoic acid
US3471595A (en) Process for the manufacture of pulverulent ferromanganese
JPS53122786A (en) Composite trolley cable
Bizhev et al. Production of Nitrided Iron--Chromium--Manganese--Silicon Alloys
JPS5353020A (en) Composite member and composite pipe

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee