FR847183A - Vacuum heating furnace, especially for annealing and melting - Google Patents

Vacuum heating furnace, especially for annealing and melting

Info

Publication number
FR847183A
FR847183A FR847183DA FR847183A FR 847183 A FR847183 A FR 847183A FR 847183D A FR847183D A FR 847183DA FR 847183 A FR847183 A FR 847183A
Authority
FR
France
Prior art keywords
annealing
melting
heating furnace
vacuum heating
vacuum
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
Other languages
French (fr)
Inventor
Bernhard Berghaus
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 filed Critical
Application granted granted Critical
Publication of FR847183A publication Critical patent/FR847183A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32018—Glow discharge

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR847183D 1938-04-06 1938-12-06 Vacuum heating furnace, especially for annealing and melting Expired FR847183A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE206537X 1938-04-06

Publications (1)

Publication Number Publication Date
FR847183A true FR847183A (en) 1939-10-04

Family

ID=5793009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847183D Expired FR847183A (en) 1938-04-06 1938-12-06 Vacuum heating furnace, especially for annealing and melting

Country Status (2)

Country Link
CH (1) CH206537A (en)
FR (1) FR847183A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939383A1 (en) * 1989-11-29 1991-06-06 Btf Edelstahlverarbeitung Gmbh Device for cooling sealing ring in cupola furnace - has seal in steel ring welded into base and surrounded on three sides by cooling canal

Also Published As

Publication number Publication date
CH206537A (en) 1939-08-15

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