FR1077480A - Procédé d'allumage électrique retardé de charges explosives - Google Patents

Procédé d'allumage électrique retardé de charges explosives

Info

Publication number
FR1077480A
FR1077480A FR1077480DA FR1077480A FR 1077480 A FR1077480 A FR 1077480A FR 1077480D A FR1077480D A FR 1077480DA FR 1077480 A FR1077480 A FR 1077480A
Authority
FR
France
Prior art keywords
explosive charges
ignition process
electric ignition
delayed electric
delayed
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
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR1077480A publication Critical patent/FR1077480A/fr
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
    • F42D1/06—Relative timing of multiple charges
    • 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
    • F42B3/006—Explosive bolts; Explosive actuators
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H39/004—Closing switches

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Elimination Of Static Electricity (AREA)
  • Air Bags (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
FR1077480D 1952-05-21 1953-05-21 Procédé d'allumage électrique retardé de charges explosives Expired FR1077480A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1283252A GB728598A (en) 1952-05-21 1952-05-21 Improvements in or relating to the art of delay electric firing of blasting explosive charges and appliances suitable for use in delay electric-firing circuits for such charges

Publications (1)

Publication Number Publication Date
FR1077480A true FR1077480A (fr) 1954-11-08

Family

ID=10011951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077480D Expired FR1077480A (fr) 1952-05-21 1953-05-21 Procédé d'allumage électrique retardé de charges explosives

Country Status (4)

Country Link
DE (1) DE1001938B (fr)
ES (1) ES209407A1 (fr)
FR (1) FR1077480A (fr)
GB (1) GB728598A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379792A1 (fr) * 1977-02-03 1978-09-01 Tracor Cartouche a charges utiles multiples, utilisant une seule paire de connexions electriques

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429089C (de) * 1924-04-29 1926-05-18 Elek Scher Zuender G M B H Fab Verfahren zum Abtun groesserer Serien von Sprengschuessen
DE805854C (de) * 1949-12-24 1951-05-31 Zuenderwerke Ernst Bruen G M B Elektrische Zuendmaschine mit Zeitstufenschaltung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379792A1 (fr) * 1977-02-03 1978-09-01 Tracor Cartouche a charges utiles multiples, utilisant une seule paire de connexions electriques

Also Published As

Publication number Publication date
ES209407A1 (es) 1954-06-16
DE1001938B (de) 1957-01-31
GB728598A (en) 1955-04-20

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