FR41952E - Improvements to machines for working metal by means of electricity - Google Patents

Improvements to machines for working metal by means of electricity

Info

Publication number
FR41952E
FR41952E FR41952DA FR41952E FR 41952 E FR41952 E FR 41952E FR 41952D A FR41952D A FR 41952DA FR 41952 E FR41952 E FR 41952E
Authority
FR
France
Prior art keywords
machines
electricity
working metal
working
metal
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
French (fr)
Inventor
Jacques-Emile-Jules Languepin
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 FR41952E publication Critical patent/FR41952E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H53/00—Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them
    • H01H53/10—Induction relays, i.e. relays in which the interaction is between a magnetic field and current induced thereby in a conductor
    • H01H53/12—Ferraris relays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR41952D 1932-01-09 1932-01-09 Improvements to machines for working metal by means of electricity Expired FR41952E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41952T 1932-01-09

Publications (1)

Publication Number Publication Date
FR41952E true FR41952E (en) 1933-05-04

Family

ID=8678069

Family Applications (2)

Application Number Title Priority Date Filing Date
FR710722D Expired FR710722A (en) 1932-01-09 1930-05-02 Improvements to machines for working metal by means of electricity
FR41952D Expired FR41952E (en) 1932-01-09 1932-01-09 Improvements to machines for working metal by means of electricity

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR710722D Expired FR710722A (en) 1932-01-09 1930-05-02 Improvements to machines for working metal by means of electricity

Country Status (1)

Country Link
FR (2) FR710722A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE917200C (en) * 1939-12-05 1954-08-26 Deutsche Edelstahlwerke Ag Process for the control of electro-inductive annealing and hardening systems and switching equipment for the practice of the process

Also Published As

Publication number Publication date
FR710722A (en) 1931-08-28

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