FR841938A - Four à recuire ou four de fusion, fonctionnant sous dépression - Google Patents

Four à recuire ou four de fusion, fonctionnant sous dépression

Info

Publication number
FR841938A
FR841938A FR841938DA FR841938A FR 841938 A FR841938 A FR 841938A FR 841938D A FR841938D A FR 841938DA FR 841938 A FR841938 A FR 841938A
Authority
FR
France
Prior art keywords
furnace
under vacuum
operating under
melting furnace
annealing
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
English (en)
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 FR841938A publication Critical patent/FR841938A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C7/00—Engines of flexible-wall type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/22—Means for obtaining or maintaining the desired pressure within the tube
    • H01J17/26—Means for producing, introducing, or replenishing gas or vapour during operation of the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/121—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen tubes for oscillography
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Furnace Details (AREA)
  • Sampling And Sample Adjustment (AREA)
FR841938D 1937-08-27 1938-08-09 Four à recuire ou four de fusion, fonctionnant sous dépression Expired FR841938A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB179741D DE740453C (de) 1937-08-27 1937-08-27 Elektrischer, mittels Glimmentladung beheizter Ofen

Publications (1)

Publication Number Publication Date
FR841938A true FR841938A (fr) 1939-06-01

Family

ID=25944803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841938D Expired FR841938A (fr) 1937-08-27 1938-08-09 Four à recuire ou four de fusion, fonctionnant sous dépression

Country Status (5)

Country Link
US (1) US2219612A (enrdf_load_stackoverflow)
DE (1) DE740453C (enrdf_load_stackoverflow)
FR (1) FR841938A (enrdf_load_stackoverflow)
GB (1) GB504097A (enrdf_load_stackoverflow)
NL (1) NL55877C (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431887A (en) * 1940-01-16 1947-12-02 Penning Frans Michel Electric device and method for heating materials
DE1142158B (de) * 1956-05-09 1963-01-10 Wolfram Ferdinand Schultz Vorrichtung zur Vermeidung des Beschlagens von Schauglaesern, vorzugsweise an erhitzten Druckbehaeltern
DE1121771B (de) * 1956-07-27 1962-01-11 Stauffer Chemical Co Vakuumschmelzvorrichtung, in der das zu behandelnde Material mit Hilfe eines elektrischen Gasentladungsvorganges, bei gleichzeitiger Zufuhr einer regelbaren Menge Gas in den Entladungsbereich, auf Schmelzhitze aufheizbar ist, und Verfahren zum Betrieb dieser Vorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE375235C (de) * 1923-05-08 Franz Skaupy Dr Elektrischer Ofen zum Erhitzen in ihn einzubringender Gegenstaende

Also Published As

Publication number Publication date
DE740453C (de) 1943-10-21
US2219612A (en) 1940-10-29
GB504097A (en) 1939-04-19
NL55877C (enrdf_load_stackoverflow) 1944-03-15

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