NO117138B - - Google Patents

Download PDF

Info

Publication number
NO117138B
NO117138B NO0522/68A NO52268A NO117138B NO 117138 B NO117138 B NO 117138B NO 0522/68 A NO0522/68 A NO 0522/68A NO 52268 A NO52268 A NO 52268A NO 117138 B NO117138 B NO 117138B
Authority
NO
Norway
Prior art keywords
drill
piston
cavity
sleeve
screwed
Prior art date
Application number
NO0522/68A
Other languages
English (en)
Norwegian (no)
Inventor
E Svendsen
Original Assignee
Elektrokemisk As
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 Elektrokemisk As filed Critical Elektrokemisk As
Priority to NO0522/68A priority Critical patent/NO117138B/no
Priority to JP44008216A priority patent/JPS4827259B1/ja
Priority to YU0260/69A priority patent/YU32802B/xx
Priority to US796769A priority patent/US3520978A/en
Priority to FR6903080A priority patent/FR2001708A1/fr
Priority to ZM8/69A priority patent/ZM869A1/xx
Priority to GB6992/69A priority patent/GB1209133A/en
Publication of NO117138B publication Critical patent/NO117138B/no

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
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • 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
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/10—Nuclear fusion reactors
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
  • Earth Drilling (AREA)
NO0522/68A 1968-02-10 1968-02-10 NO117138B (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO0522/68A NO117138B (de) 1968-02-10 1968-02-10
JP44008216A JPS4827259B1 (de) 1968-02-10 1969-02-05
YU0260/69A YU32802B (en) 1968-02-10 1969-02-05 Uredaj za automatsku kontolu polozaja elektroda u elektricnoj peci za topljenje
US796769A US3520978A (en) 1968-02-10 1969-02-05 Control circuit for automatic positioning of pairs of electrodes in smelting furnaces
FR6903080A FR2001708A1 (de) 1968-02-10 1969-02-10
ZM8/69A ZM869A1 (en) 1968-02-10 1969-02-10 Arrangement for automatic control of electrodes in smelting furnaces equipped with an even number of electrodes
GB6992/69A GB1209133A (en) 1968-02-10 1969-02-10 Arrangement for automatic control of electrodes in smelting furnaces equipped with an even number of electrodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO0522/68A NO117138B (de) 1968-02-10 1968-02-10

Publications (1)

Publication Number Publication Date
NO117138B true NO117138B (de) 1969-07-07

Family

ID=19877648

Family Applications (1)

Application Number Title Priority Date Filing Date
NO0522/68A NO117138B (de) 1968-02-10 1968-02-10

Country Status (7)

Country Link
US (1) US3520978A (de)
JP (1) JPS4827259B1 (de)
FR (1) FR2001708A1 (de)
GB (1) GB1209133A (de)
NO (1) NO117138B (de)
YU (1) YU32802B (de)
ZM (1) ZM869A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732350A (en) * 1970-12-03 1973-05-08 British Iron Steel Research Power control
DE2456512C3 (de) * 1974-11-29 1987-01-22 Leybold-Heraeus GmbH, 5000 Köln Anordnung zur Regelung der Eintauchtiefe von Abschmelzelektroden in Elektroschlacke-Umschmelzöfen
IT1157393B (it) * 1978-10-31 1987-02-11 Centro Speriment Metallurg Sistema per il controllo e la regolazione degli elettrodi nel processo di rifusione di metalli sotto scoria elettroconduttrice
US4483008A (en) * 1982-01-26 1984-11-13 Owens-Corning Fiberglas Corporation Arc gap controller for glass-melting furnace
CN110715554A (zh) * 2019-11-14 2020-01-21 中冶赛迪工程技术股份有限公司 炉底开出式直流电弧炉底电极电缆自动对接装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721948A (en) * 1953-02-10 1955-10-25 Ohio Ferro Alloys Corp Automatic voltage and electrode control for electric-arc furnaces
US3376374A (en) * 1964-10-30 1968-04-02 Westinghouse Electric Corp Polyphase arc furnace with control system to raise one electrode prior to all electrodes striking an arc

Also Published As

Publication number Publication date
ZM869A1 (en) 1969-10-16
FR2001708A1 (de) 1969-09-26
GB1209133A (en) 1970-10-21
YU26069A (en) 1975-02-28
YU32802B (en) 1975-08-31
JPS4827259B1 (de) 1973-08-21
US3520978A (en) 1970-07-21

Similar Documents

Publication Publication Date Title
US2643088A (en) Portable tool
NO117138B (de)
ES185250A1 (es) MEJORAS INTRODUCIDAS EN LAS BARRENAS ROTATIVAS DE PERCUSIoN
NO122328B (de)
US1352172A (en) Drill-retriever
US2680596A (en) Detachable feed leg structure for rock drills
US1544041A (en) Well drilling and fishing jar
US2233740A (en) Combination rope socket and jar
US1073005A (en) Boring-bit.
US1741507A (en) Drill
US1535941A (en) Drill collar
US1384020A (en) Chuck
US1613932A (en) Drill bit
US2152233A (en) Split line weight
US2628820A (en) pipe x p puller
US1741126A (en) Rock-drilling tool
US1439654A (en) Drill holding and releasing device
US1527493A (en) Hand boring machine
US1835180A (en) Percussion drill
US1408042A (en) Device for drilling square holes
US1691694A (en) Support for implement retainers
US1045883A (en) Swivel-jar wire-rope socket.
US965209A (en) Device for testing the structural qualities of the soil.
US1887698A (en) Drill
US1415619A (en) Drilling bit