ES209407A1 - 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 - Google Patents

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

Info

Publication number
ES209407A1
ES209407A1 ES0209407A ES209407A ES209407A1 ES 209407 A1 ES209407 A1 ES 209407A1 ES 0209407 A ES0209407 A ES 0209407A ES 209407 A ES209407 A ES 209407A ES 209407 A1 ES209407 A1 ES 209407A1
Authority
ES
Spain
Prior art keywords
firing
charges
delay electric
relating
art
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
ES0209407A
Other languages
Spanish (es)
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
Publication of ES209407A1 publication Critical patent/ES209407A1/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
    • F42D1/06—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)

Abstract

Procedure to produce the delayed firing of explosive charges characterized by comprising passing an electric current of ignition through the fuze or fuse of each successive detonator and by means of an electrically actionable delay switch inserted between it and its preceding detonator to allow that the electric current of ignition passes through said fuse or fuze when a closed circuit is formed by the action of the mentioned switch. (Machine-translation by Google Translate, not legally binding)
ES0209407A 1952-05-21 1953-05-20 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 Expired ES209407A1 (en)

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
ES209407A1 true ES209407A1 (en) 1954-06-16

Family

ID=10011951

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0209407A Expired ES209407A1 (en) 1952-05-21 1953-05-20 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

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135455A (en) * 1977-02-03 1979-01-23 Tracor, Inc. Multiple payload cartridge employing single pair of electrical connections

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE429089C (en) * 1924-04-29 1926-05-18 Elek Scher Zuender G M B H Fab Procedure for dumping large series of explosive shots
DE805854C (en) * 1949-12-24 1951-05-31 Zuenderwerke Ernst Bruen G M B Electric ignition machine with time switch

Also Published As

Publication number Publication date
FR1077480A (en) 1954-11-08
DE1001938B (en) 1957-01-31
GB728598A (en) 1955-04-20

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