FR1102751A - Electric power supply device - Google Patents

Electric power supply device

Info

Publication number
FR1102751A
FR1102751A FR1102751DA FR1102751A FR 1102751 A FR1102751 A FR 1102751A FR 1102751D A FR1102751D A FR 1102751DA FR 1102751 A FR1102751 A FR 1102751A
Authority
FR
France
Prior art keywords
power supply
electric power
supply device
electric
supply
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WILKINSON SWORD CO Ltd
Graviner Manufacturing Co Ltd
Original Assignee
WILKINSON SWORD CO Ltd
Graviner Manufacturing Co Ltd
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 WILKINSON SWORD CO Ltd, Graviner Manufacturing Co Ltd filed Critical WILKINSON SWORD CO Ltd
Application granted granted Critical
Publication of FR1102751A publication Critical patent/FR1102751A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/009—Methods or equipment not provided for in groups A62C99/0009 - A62C99/0081
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition
    • F42D1/05—Electric circuits for blasting
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stand-By Power Supply Arrangements (AREA)
FR1102751D 1953-06-26 1954-06-21 Electric power supply device Expired FR1102751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17762/53A GB786873A (en) 1953-06-26 1953-06-26 Improvements in or relating to electric supply apparatus and monitoring and controlling means therefor

Publications (1)

Publication Number Publication Date
FR1102751A true FR1102751A (en) 1955-10-25

Family

ID=10100778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1102751D Expired FR1102751A (en) 1953-06-26 1954-06-21 Electric power supply device

Country Status (3)

Country Link
FR (1) FR1102751A (en)
GB (1) GB786873A (en)
NL (1) NL94476C (en)

Also Published As

Publication number Publication date
NL94476C (en) 1960-06-15
GB786873A (en) 1957-11-27

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