CH225867A - Verfahren zur Herstellung von rohrförmigen Wolframglühkathoden für Elektronenröhren. - Google Patents

Verfahren zur Herstellung von rohrförmigen Wolframglühkathoden für Elektronenröhren.

Info

Publication number
CH225867A
CH225867A CH225867DA CH225867A CH 225867 A CH225867 A CH 225867A CH 225867D A CH225867D A CH 225867DA CH 225867 A CH225867 A CH 225867A
Authority
CH
Switzerland
Prior art keywords
production
electron tubes
tungsten incandescent
tubular tungsten
incandescent cathodes
Prior art date
Application number
Other languages
English (en)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C 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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH225867A publication Critical patent/CH225867A/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/46Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D25/00Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/32Removal of the filter cakes
    • B01D25/34Removal of the filter cakes by moving, e.g. rotating, the filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49881Assembling or joining of separate helix [e.g., screw thread]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/4998Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982Coating
    • Y10T29/49986Subsequent to metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microwave Tubes (AREA)
  • General Details Of Gearings (AREA)
CH225867D 1939-03-09 1940-03-01 Verfahren zur Herstellung von rohrförmigen Wolframglühkathoden für Elektronenröhren. CH225867A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE90339X 1939-03-09

Publications (1)

Publication Number Publication Date
CH225867A true CH225867A (de) 1943-02-28

Family

ID=5643176

Family Applications (3)

Application Number Title Priority Date Filing Date
CH224719D CH224719A (de) 1939-03-09 1940-02-19 Verteilrohrleitung.
CH225867D CH225867A (de) 1939-03-09 1940-03-01 Verfahren zur Herstellung von rohrförmigen Wolframglühkathoden für Elektronenröhren.
CH224634D CH224634A (de) 1939-03-09 1940-03-08 Spaltfilter.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH224719D CH224719A (de) 1939-03-09 1940-02-19 Verteilrohrleitung.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH224634D CH224634A (de) 1939-03-09 1940-03-08 Spaltfilter.

Country Status (6)

Country Link
US (1) US2269081A (de)
BE (1) BE438226A (de)
CH (3) CH224719A (de)
FR (1) FR868480A (de)
IT (1) IT381230A (de)
NL (1) NL53627C (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589521A (en) * 1952-03-18 Heater
US2454318A (en) * 1943-04-24 1948-11-23 Westinghouse Electric Corp Method of fabricating electron discharge devices
US2543439A (en) * 1945-05-02 1951-02-27 Edward A Coomes Method of manufacturing coated elements for electron tubes
US2693546A (en) * 1948-07-10 1954-11-02 Eitel Mccullough Inc Electron emitter for electron tubes
US2652621A (en) * 1949-02-25 1953-09-22 Gen Electric Method of making a unitary thermionic filament structure
US2647067A (en) * 1949-09-10 1953-07-28 Eitel Mccullough Inc Electron emitter for electron tubes
US2662990A (en) * 1950-09-21 1953-12-15 Collins Radio Co Resnatron filament basket
US2717975A (en) * 1951-03-30 1955-09-13 Wihtol Weltis Cathodes for electron tubes
US2721372A (en) * 1951-06-30 1955-10-25 Philips Corp Incandescible cathodes
US2855536A (en) * 1954-10-12 1958-10-07 Eugene N Wyler Cathode
US2814753A (en) * 1954-10-12 1957-11-26 Eugene N Wyler Cathode support
US2879432A (en) * 1956-03-16 1959-03-24 Gen Electric Electron emitter
US3484644A (en) * 1967-02-13 1969-12-16 Gen Electric Tungsten powder bonded filament connection for incandescent lamps and method of manufacture
US4781640A (en) * 1985-01-24 1988-11-01 Varian Associates, Inc. Basket electrode shaping
US5041041A (en) * 1986-12-22 1991-08-20 Gte Products Corporation Method of fabricating a composite lamp filament

Also Published As

Publication number Publication date
NL53627C (de) 1900-01-01
CH224634A (de) 1942-12-15
IT381230A (de) 1900-01-01
FR868480A (fr) 1941-12-31
CH224719A (de) 1942-12-15
US2269081A (en) 1942-01-06
BE438226A (de) 1900-01-01

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