CA1247992A - Process and apparatus for deoxidation of shells for the production of pipes - Google Patents

Process and apparatus for deoxidation of shells for the production of pipes

Info

Publication number
CA1247992A
CA1247992A CA000487228A CA487228A CA1247992A CA 1247992 A CA1247992 A CA 1247992A CA 000487228 A CA000487228 A CA 000487228A CA 487228 A CA487228 A CA 487228A CA 1247992 A CA1247992 A CA 1247992A
Authority
CA
Canada
Prior art keywords
deoxidation
agent
shell
gas
deoxidation agent
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
CA000487228A
Other languages
English (en)
French (fr)
Inventor
Michel Bonifay
Hansjorg Furrer
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.)
Lonza AG
Original Assignee
Lonza 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 Lonza AG filed Critical Lonza AG
Application granted granted Critical
Publication of CA1247992A publication Critical patent/CA1247992A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Metal Rolling (AREA)
CA000487228A 1984-07-23 1985-07-22 Process and apparatus for deoxidation of shells for the production of pipes Expired CA1247992A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH357184 1984-07-23
CH3571/84 1984-07-23

Publications (1)

Publication Number Publication Date
CA1247992A true CA1247992A (en) 1989-01-03

Family

ID=4258862

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000487228A Expired CA1247992A (en) 1984-07-23 1985-07-22 Process and apparatus for deoxidation of shells for the production of pipes

Country Status (11)

Country Link
EP (1) EP0172366B1 (es)
JP (1) JPH0774468B2 (es)
BR (1) BR8503476A (es)
CA (1) CA1247992A (es)
CS (1) CS540185A2 (es)
DD (1) DD235677A5 (es)
DE (1) DE3562100D1 (es)
ES (2) ES8702808A1 (es)
MX (1) MX167480B (es)
PL (1) PL254623A1 (es)
ZA (1) ZA855468B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189407B (en) * 1985-08-16 1989-12-28 Trest Juzhvodoprovod Method of removing deposits from the inside walls of a pipeline and applying protective coatings thereto
CH668717A5 (de) * 1986-07-03 1989-01-31 Lonza Ag Verfahren zum aufbringen eines fliessfaehigen stoffes auf die innenflaeche eines hohlkoerpers und einrichtung zur durchfuehrung des verfahrens.
CH674164A5 (es) * 1987-09-29 1990-05-15 Lonza Ag

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5258060A (en) * 1975-11-09 1977-05-13 Kihara Seisakusho Method of polishing inside ofmetal pipe with small inner diameter
JPS5258019A (en) * 1975-11-09 1977-05-13 Kihara Seisakusho Method of derusting* cleaning and polishing inner surface of metal tube of small diameter
SE8004565L (sv) * 1980-06-19 1981-12-20 Fjaellstroem Bengt Forfarande for tvettning eller rengoring samt skoljning eller torkning av rorformiga material
JPS58211859A (ja) * 1982-06-01 1983-12-09 Atsuji Tekko Kk 曲管の内面研掃装置
JPS5942273A (ja) * 1982-08-31 1984-03-08 Atsuji Tekko Kk 管の内面研掃装置
CH655516B (es) * 1983-08-17 1986-04-30

Also Published As

Publication number Publication date
CS540185A2 (en) 1991-08-13
ES8702808A1 (es) 1987-01-01
MX167480B (es) 1993-03-24
ES8701854A1 (es) 1986-12-01
ES545447A0 (es) 1987-01-01
JPS6137987A (ja) 1986-02-22
EP0172366B1 (de) 1988-04-06
ZA855468B (en) 1986-03-26
ES552462A0 (es) 1986-12-01
JPH0774468B2 (ja) 1995-08-09
PL254623A1 (en) 1986-06-17
EP0172366A1 (de) 1986-02-26
BR8503476A (pt) 1986-04-15
DE3562100D1 (en) 1988-05-11
DD235677A5 (de) 1986-05-14

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Legal Events

Date Code Title Description
MKEX Expiry