FR89452E - Electric safety detonator - Google Patents

Electric safety detonator

Info

Publication number
FR89452E
FR89452E FR895790A FR895790A FR89452E FR 89452 E FR89452 E FR 89452E FR 895790 A FR895790 A FR 895790A FR 895790 A FR895790 A FR 895790A FR 89452 E FR89452 E FR 89452E
Authority
FR
France
Prior art keywords
electric safety
safety detonator
detonator
electric
safety
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
FR895790A
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.)
Services Petroliers Schlumberger SA
Original Assignee
Societe de Prospection Electrique Schlumberger SA
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
Priority claimed from FR864974A external-priority patent/FR1301849A/en
Application filed by Societe de Prospection Electrique Schlumberger SA filed Critical Societe de Prospection Electrique Schlumberger SA
Priority to FR895790A priority Critical patent/FR89452E/en
Application granted granted Critical
Publication of FR89452E publication Critical patent/FR89452E/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/11—Initiators therefor characterised by the material used, e.g. for initiator case or electric leads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F42B3/128—Bridge initiators characterised by the composition of the pyrotechnic material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR895790A 1961-06-13 1962-04-26 Electric safety detonator Expired FR89452E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR895790A FR89452E (en) 1961-06-13 1962-04-26 Electric safety detonator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR864974A FR1301849A (en) 1961-06-13 1961-06-13 Electric safety detonator
FR895790A FR89452E (en) 1961-06-13 1962-04-26 Electric safety detonator

Publications (1)

Publication Number Publication Date
FR89452E true FR89452E (en) 1967-06-30

Family

ID=26191037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895790A Expired FR89452E (en) 1961-06-13 1962-04-26 Electric safety detonator

Country Status (1)

Country Link
FR (1) FR89452E (en)

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