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GB1067931A - Electrical firing apparatus for sequentially firing a plurality of explosive charges - Google Patents

Electrical firing apparatus for sequentially firing a plurality of explosive charges

Info

Publication number
GB1067931A
GB1067931A GB1882664A GB1882664A GB1067931A GB 1067931 A GB1067931 A GB 1067931A GB 1882664 A GB1882664 A GB 1882664A GB 1882664 A GB1882664 A GB 1882664A GB 1067931 A GB1067931 A GB 1067931A
Authority
GB
United Kingdom
Prior art keywords
firing
explosive charges
sequentially
electrical
firing apparatus
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
GB1882664A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1067931A publication Critical patent/GB1067931A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs
    • H03K5/15026—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with asynchronously driven series connected output stages
    • H03K5/15033—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with asynchronously driven series connected output stages using a chain of bistable devices
    • 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

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
GB1882664A 1964-05-12 1964-05-06 Electrical firing apparatus for sequentially firing a plurality of explosive charges Expired GB1067931A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH618964A CH431353A (en) 1964-05-12 1964-05-12 Ignitor for the series ignition of explosive charges

Publications (1)

Publication Number Publication Date
GB1067931A true GB1067931A (en) 1967-05-10

Family

ID=4305659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1882664A Expired GB1067931A (en) 1964-05-12 1964-05-06 Electrical firing apparatus for sequentially firing a plurality of explosive charges

Country Status (2)

Country Link
CH (1) CH431353A (en)
GB (1) GB1067931A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003412A3 (en) * 1978-02-01 1979-09-05 Imperial Chemical Industries Plc Electric delay device
DE2916994A1 (en) * 1978-04-26 1979-11-15 Aeci Ltd METHOD AND DEVICE FOR THE SUCCESSIVE IGNITION OF EXPLOSIVES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003412A3 (en) * 1978-02-01 1979-09-05 Imperial Chemical Industries Plc Electric delay device
DE2916994A1 (en) * 1978-04-26 1979-11-15 Aeci Ltd METHOD AND DEVICE FOR THE SUCCESSIVE IGNITION OF EXPLOSIVES

Also Published As

Publication number Publication date
CH431353A (en) 1967-02-28

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