CH225867A - Process for the production of tubular tungsten incandescent cathodes for electron tubes. - Google Patents

Process for the production of tubular tungsten incandescent cathodes for electron tubes.

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
German (de)
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/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/32—Removal of the filter cakes
    • B01D25/34—Removal of the filter cakes by moving, e.g. rotating, the filter elements
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49881—Assembling or joining of separate helix [e.g., screw thread]
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49986—Subsequent 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)
  • General Details Of Gearings (AREA)
  • Microwave Tubes (AREA)
CH225867D 1939-03-09 1940-03-01 Process for the production of tubular tungsten incandescent cathodes for electron tubes. CH225867A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=5643176

Family Applications (3)

Application Number Title Priority Date Filing Date
CH224719D CH224719A (en) 1939-03-09 1940-02-19 Distribution pipeline.
CH225867D CH225867A (en) 1939-03-09 1940-03-01 Process for the production of tubular tungsten incandescent cathodes for electron tubes.
CH224634D CH224634A (en) 1939-03-09 1940-03-08 Edge filter.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH224719D CH224719A (en) 1939-03-09 1940-02-19 Distribution pipeline.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH224634D CH224634A (en) 1939-03-09 1940-03-08 Edge filter.

Country Status (6)

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

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
US2814753A (en) * 1954-10-12 1957-11-26 Eugene N Wyler Cathode support
US2855536A (en) * 1954-10-12 1958-10-07 Eugene N Wyler Cathode
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
CH224719A (en) 1942-12-15
FR868480A (en) 1941-12-31
NL53627C (en) 1900-01-01
BE438226A (en) 1900-01-01
CH224634A (en) 1942-12-15
IT381230A (en) 1900-01-01
US2269081A (en) 1942-01-06

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