FR1335750A - Improvements in the manufacturing process of tungsten tubes - Google Patents

Improvements in the manufacturing process of tungsten tubes

Info

Publication number
FR1335750A
FR1335750A FR911125A FR911125A FR1335750A FR 1335750 A FR1335750 A FR 1335750A FR 911125 A FR911125 A FR 911125A FR 911125 A FR911125 A FR 911125A FR 1335750 A FR1335750 A FR 1335750A
Authority
FR
France
Prior art keywords
manufacturing process
tungsten tubes
tungsten
tubes
manufacturing
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
FR911125A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR911125A priority Critical patent/FR1335750A/en
Application granted granted Critical
Publication of FR1335750A publication Critical patent/FR1335750A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/01—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes on temporary substrates, e.g. substrates subsequently removed by etching
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/04—Coating on selected surface areas, e.g. using masks
    • C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
FR911125A 1962-10-03 1962-10-03 Improvements in the manufacturing process of tungsten tubes Expired FR1335750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR911125A FR1335750A (en) 1962-10-03 1962-10-03 Improvements in the manufacturing process of tungsten tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR911125A FR1335750A (en) 1962-10-03 1962-10-03 Improvements in the manufacturing process of tungsten tubes

Publications (1)

Publication Number Publication Date
FR1335750A true FR1335750A (en) 1963-08-23

Family

ID=8787951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR911125A Expired FR1335750A (en) 1962-10-03 1962-10-03 Improvements in the manufacturing process of tungsten tubes

Country Status (1)

Country Link
FR (1) FR1335750A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431548A1 (en) * 1978-07-17 1980-02-15 Ch Gi Gas case hardening pipes for conveying abrasive materials - uses two centering pipes to feed gas and has ring induction heater and spray on trolley
FR2522019A1 (en) * 1982-02-23 1983-08-26 Us Energy METHOD FOR FORMING THIN METAL SHEETS NOT SUPPORTED AS ELECTRIC DEVICE ELEMENTS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431548A1 (en) * 1978-07-17 1980-02-15 Ch Gi Gas case hardening pipes for conveying abrasive materials - uses two centering pipes to feed gas and has ring induction heater and spray on trolley
FR2522019A1 (en) * 1982-02-23 1983-08-26 Us Energy METHOD FOR FORMING THIN METAL SHEETS NOT SUPPORTED AS ELECTRIC DEVICE ELEMENTS

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