DE3367539D1 - Methods of prestressing tubular apparatus - Google Patents

Methods of prestressing tubular apparatus

Info

Publication number
DE3367539D1
DE3367539D1 DE8383305014T DE3367539T DE3367539D1 DE 3367539 D1 DE3367539 D1 DE 3367539D1 DE 8383305014 T DE8383305014 T DE 8383305014T DE 3367539 T DE3367539 T DE 3367539T DE 3367539 D1 DE3367539 D1 DE 3367539D1
Authority
DE
Germany
Prior art keywords
tubular
stretched
heated
prestressing
methods
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
DE8383305014T
Other languages
German (de)
English (en)
Inventor
Stuart E Reed
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Application granted granted Critical
Publication of DE3367539D1 publication Critical patent/DE3367539D1/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00Application of procedures in order to alter the diameter of tube ends
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/154Making multi-wall tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/20Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/003Insulating arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Thermal Insulation (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Earth Drilling (AREA)
  • Heat Treatment Of Articles (AREA)
  • Packages (AREA)
  • Processing Of Meat And Fish (AREA)
  • Supports For Pipes And Cables (AREA)
  • Load-Engaging Elements For Cranes (AREA)
DE8383305014T 1982-08-31 1983-08-31 Methods of prestressing tubular apparatus Expired DE3367539D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41329082A 1982-08-31 1982-08-31

Publications (1)

Publication Number Publication Date
DE3367539D1 true DE3367539D1 (en) 1987-01-02

Family

ID=23636667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383305014T Expired DE3367539D1 (en) 1982-08-31 1983-08-31 Methods of prestressing tubular apparatus

Country Status (10)

Country Link
EP (1) EP0104789B1 (cs)
JP (1) JPS6018877B2 (cs)
KR (1) KR840005678A (cs)
AT (1) ATE23461T1 (cs)
BR (1) BR8304591A (cs)
CA (1) CA1202578A (cs)
DE (1) DE3367539D1 (cs)
IN (1) IN162701B (cs)
PH (1) PH20499A (cs)
TR (1) TR21779A (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0192785A1 (de) * 1985-01-31 1986-09-03 Bruno Dipl.-Ing. Zay Verfahren zum Herstellen werkmässig vorgespannter und vorgedämmter Stahlmantelrohre
DE3605039A1 (de) * 1986-02-18 1986-12-11 Zay, Bruno, Dipl.-Ing., 4030 Ratingen Verfahren zur herstellung von stahlmantelbogen und deren verlegung in kunststoffmantelrohr-systemen
RU2707768C1 (ru) * 2018-12-05 2019-11-29 Акционерное общество "Уральский научно-технологический комплекс" Способ нанесения полиуретанового покрытия на топливные баки

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511282A (en) * 1966-02-07 1970-05-12 Continental Oil Co Prestressed conduit for heated fluids
US3397745A (en) * 1966-03-08 1968-08-20 Carl Owens Vacuum-insulated steam-injection system for oil wells
US3574357A (en) * 1969-02-27 1971-04-13 Grupul Ind Pentru Foray Si Ext Thermal insulating tubing
US3693665A (en) * 1970-01-28 1972-09-26 Shell Oil Co Pipeline for the transport of cold liquids
US4130301A (en) * 1975-01-27 1978-12-19 General Electric Company Double-walled well casing structure
US4340245A (en) * 1980-07-24 1982-07-20 Conoco Inc. Insulated prestressed conduit string for heated fluids

Also Published As

Publication number Publication date
JPS6018877B2 (ja) 1985-05-13
CA1202578A (en) 1986-04-01
TR21779A (tr) 1985-07-08
JPS5986791A (ja) 1984-05-19
IN162701B (cs) 1988-07-02
EP0104789A1 (en) 1984-04-04
PH20499A (en) 1987-01-21
KR840005678A (ko) 1984-11-16
BR8304591A (pt) 1984-04-03
ATE23461T1 (de) 1986-11-15
EP0104789B1 (en) 1986-11-12

Similar Documents

Publication Publication Date Title
NO175139C (no) Fremgangsmåte og anordning for diameterreduksjon av rörformede legemer
PH21039A (en) Inner tube element for a double tube coring apparatus and process for the manufacture of this tube element
DE3366607D1 (en) Methods of prestressing and methods of manufacturing tubular apparatus
BR9205479A (pt) Processo de insercao angular variavel para forrar elementos tubulares
SE8306963D0 (sv) Rortransportor
IT7919473A0 (it) Metodo ed apparato per laproduzione di tubi compositi.
DE3367539D1 (en) Methods of prestressing tubular apparatus
IN167788B (cs)
DE3665269D1 (en) Process for forming flexible tubular bodies and device for carrying out said process
NO884961L (no) Fremgangsmaate og anordning for kontinuerlig fremstilling av stenger med krumt tverrsnitt ved hjelp av et mellomlagsbaand.
DE3362890D1 (en) Method and apparatus for the continuous surrounding of plastics tubes with a protective sheath
JPS5487662A (en) Bending process of channel bar
ES8600091A1 (es) Procedimiento de fabricacion de bielas tubulares con extremos recalcados
FR2541501B1 (fr) Procede pour fixer un manchon metallique malleable sur un jonc en materiau composite
ATE55569T1 (de) Verfahren zur herstellung von rohren.
JPS5516793A (en) Porous body having rectilinear vent hole and method of fabricating the same
GB1016357A (en) Method of automatic manufacture of tubes of heat-softenable material
ES8302518A1 (es) "maquina insertora de varillas roscadas, actuantes como nexos de union entre piezas de madera".
JPS5439332A (en) Method of fabricating weld joint
DK683088A (da) Apparat og fremgangsmaade til automatisk fremstilling af spiralledninger
JPS5780017A (en) Manufacture for hollow elastic endless body
Badea The State of Round Drawn Copper Tubes After Strain Hardening
AR219322A1 (es) Metodo y aparato con cuya ayuda el denominado"nucleo",usado para la fabricacion de mangueras de caucho de gran longitud,es extraido sincronica y correctamente desde el articulo tubular producido y tratado alrededor de dicho nucleo
JPS5763215A (en) Bending of synthetic resin tube
GB899909A (en) Improvements in or relating to shaped articles of glass or quartz

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee