FR985093A - Improvements to devices for the successive remote firing of several powder or explosive charges, in particular in soundings - Google Patents

Improvements to devices for the successive remote firing of several powder or explosive charges, in particular in soundings

Info

Publication number
FR985093A
FR985093A FR985093DA FR985093A FR 985093 A FR985093 A FR 985093A FR 985093D A FR985093D A FR 985093DA FR 985093 A FR985093 A FR 985093A
Authority
FR
France
Prior art keywords
soundings
devices
explosive charges
several powder
remote firing
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
Marcel Schlumberger
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 FR985093A publication Critical patent/FR985093A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
FR985093D 1949-02-19 1949-02-19 Improvements to devices for the successive remote firing of several powder or explosive charges, in particular in soundings Expired FR985093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR903435X 1949-02-19

Publications (1)

Publication Number Publication Date
FR985093A true FR985093A (en) 1951-07-13

Family

ID=9404608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR985093D Expired FR985093A (en) 1949-02-19 1949-02-19 Improvements to devices for the successive remote firing of several powder or explosive charges, in particular in soundings

Country Status (2)

Country Link
DE (1) DE903435C (en)
FR (1) FR985093A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871784A (en) * 1951-07-05 1959-02-03 Schlumberger Well Surv Corp Firing system for electrically detonated borehole equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871784A (en) * 1951-07-05 1959-02-03 Schlumberger Well Surv Corp Firing system for electrically detonated borehole equipment

Also Published As

Publication number Publication date
DE903435C (en) 1954-02-04

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