NL249220A - - Google Patents

Info

Publication number
NL249220A
NL249220A NL249220DA NL249220A NL 249220 A NL249220 A NL 249220A NL 249220D A NL249220D A NL 249220DA NL 249220 A NL249220 A NL 249220A
Authority
NL
Netherlands
Application number
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.)
Publication of NL249220A publication Critical patent/NL249220A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/14—Making holes

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
NL249220D 1959-03-09 NL249220A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR788776A FR1228210A (fr) 1959-03-09 1959-03-09 Procédé et dispositifs pour la réalisation de perforations de très petite section

Publications (1)

Publication Number Publication Date
NL249220A true NL249220A (de)

Family

ID=8712207

Family Applications (1)

Application Number Title Priority Date Filing Date
NL249220D NL249220A (de) 1959-03-09

Country Status (5)

Country Link
US (1) US3098148A (de)
BE (1) BE588442A (de)
FR (1) FR1228210A (de)
GB (1) GB882576A (de)
NL (1) NL249220A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322185A (en) * 1963-04-22 1967-05-30 Gen Motors Corp Method of making electrical discharge machining electrodes
US3399443A (en) * 1964-05-27 1968-09-03 Chrysler Corp Turbine wheel
US3538289A (en) * 1964-06-22 1970-11-03 Minimation Inc Apparatus for and method of electro-erosion machining
US3601572A (en) * 1965-10-22 1971-08-24 Raycon Corp Electrode-replenishing apparatus for electrical discharge machining
US3517153A (en) * 1967-06-07 1970-06-23 Raycon Corp Wire electrode holder assembly
US3590204A (en) * 1968-05-16 1971-06-29 Oconnor Thomas John Structure for electroerosive machining with rotating tubular electrodes
US3604883A (en) * 1969-03-26 1971-09-14 Engineered Models Corp Multiple electrode assembly for electrical discharge machining
US3619543A (en) * 1970-02-18 1971-11-09 Int Harvester Co Positioning fixture to facilitate nozzle drilling by edm
US3729609A (en) * 1971-02-08 1973-04-24 Raycon Corp Multi-electrode electrical discharge machining apparatus
GB1556441A (en) * 1975-03-15 1979-11-21 Amchem Co Ltd Cartridge for electrical discharge machining apparatus
DE2851505C2 (de) * 1978-11-29 1983-11-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur Herstellung einer Vielfachdüsenanordnung mittels Funkenerosion
DE3233994C2 (de) * 1982-09-14 1984-12-06 Martin Dipl.-Ing. 7140 Ludwigsburg Maier Verfahren zum Herstellen von Mikrobohrungen im μ-Bereich unter Anwendung der Funkenerosion
US4669957A (en) * 1985-12-23 1987-06-02 United Technologies Corporation Film coolant passage with swirl diffuser
US4664597A (en) * 1985-12-23 1987-05-12 United Technologies Corporation Coolant passages with full coverage film cooling slot
US4726735A (en) * 1985-12-23 1988-02-23 United Technologies Corporation Film cooling slot with metered flow
US4653983A (en) * 1985-12-23 1987-03-31 United Technologies Corporation Cross-flow film cooling passages
US4738588A (en) * 1985-12-23 1988-04-19 Field Robert E Film cooling passages with step diffuser
US4650949A (en) * 1985-12-23 1987-03-17 United Technologies Corporation Electrode for electrical discharge machining film cooling passages in an airfoil
US4676719A (en) * 1985-12-23 1987-06-30 United Technologies Corporation Film coolant passages for cast hollow airfoils
US4684323A (en) * 1985-12-23 1987-08-04 United Technologies Corporation Film cooling passages with curved corners
US4705455A (en) * 1985-12-23 1987-11-10 United Technologies Corporation Convergent-divergent film coolant passage
US11454480B1 (en) * 2019-06-12 2022-09-27 Corvid Technologies LLC Methods for forming munitions casings and casings and munitions formed thereby

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427588A (en) * 1942-10-17 1947-09-16 United Aircraft Corp Apparatus for burning holes in metal
US2552582A (en) * 1946-12-23 1951-05-15 Chauncey G Peters Dry drilling of diamonds and the like
US2438941A (en) * 1946-12-23 1948-04-06 Us Commerce Diamond die production and the like
US2783411A (en) * 1955-12-09 1957-02-26 Elox Corp Servo feed for multiple electrodes
BE555463A (de) * 1956-03-02

Also Published As

Publication number Publication date
US3098148A (en) 1963-07-16
BE588442A (fr) 1960-09-08
GB882576A (en) 1961-11-15
FR1228210A (fr) 1960-08-29

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