FR868529A - Electric blasting process - Google Patents

Electric blasting process

Info

Publication number
FR868529A
FR868529A FR868529DA FR868529A FR 868529 A FR868529 A FR 868529A FR 868529D A FR868529D A FR 868529DA FR 868529 A FR868529 A FR 868529A
Authority
FR
France
Prior art keywords
blasting process
electric blasting
electric
blasting
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
William Elsdon-Dew
Leon-Byron Woodworth
Charles-Alexander Marshall
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.)
CENTRAL MINING ET INVESTMENT Corp Ltd
Central Mining and Investment Corp Ltd
Original Assignee
CENTRAL MINING ET INVESTMENT Corp Ltd
Central Mining and Investment Corp 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 CENTRAL MINING ET INVESTMENT Corp Ltd, Central Mining and Investment Corp Ltd filed Critical CENTRAL MINING ET INVESTMENT Corp Ltd
Application granted granted Critical
Publication of FR868529A publication Critical patent/FR868529A/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
    • F42B3/18—Safety initiators resistant to premature firing by static electricity or stray currents
    • F42B3/188—Safety initiators resistant to premature firing by static electricity or stray currents having radio-frequency filters, e.g. containing ferrite cores or inductances

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR868529D 1939-08-17 1939-08-17 Electric blasting process Expired FR868529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR868529T 1939-08-17

Publications (1)

Publication Number Publication Date
FR868529A true FR868529A (en) 1942-01-05

Family

ID=9346166

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868529D Expired FR868529A (en) 1939-08-17 1939-08-17 Electric blasting process

Country Status (1)

Country Link
FR (1) FR868529A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361064A (en) * 1950-09-07 1968-01-02 Atomic Energy Commission Usa Electric detonating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361064A (en) * 1950-09-07 1968-01-02 Atomic Energy Commission Usa Electric detonating apparatus

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