SE411069B - Elektrisk tendapparat for serietendning av sprengladdningar eller ringar av dylika - Google Patents

Elektrisk tendapparat for serietendning av sprengladdningar eller ringar av dylika

Info

Publication number
SE411069B
SE411069B SE7307493A SE7307493A SE411069B SE 411069 B SE411069 B SE 411069B SE 7307493 A SE7307493 A SE 7307493A SE 7307493 A SE7307493 A SE 7307493A SE 411069 B SE411069 B SE 411069B
Authority
SE
Sweden
Prior art keywords
ignitioner
dylika
rings
electrical
explosive charges
Prior art date
Application number
SE7307493A
Other languages
English (en)
Inventor
M J Dawkins
Original Assignee
Ici Australia 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 Ici Australia Ltd filed Critical Ici Australia Ltd
Publication of SE411069B publication Critical patent/SE411069B/sv

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
    • F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H03K17/292—Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/735—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Manipulation Of Pulses (AREA)
  • Electronic Switches (AREA)
SE7307493A 1972-05-29 1973-05-28 Elektrisk tendapparat for serietendning av sprengladdningar eller ringar av dylika SE411069B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA913772 1972-05-29

Publications (1)

Publication Number Publication Date
SE411069B true SE411069B (sv) 1979-11-26

Family

ID=3765083

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7307493A SE411069B (sv) 1972-05-29 1973-05-28 Elektrisk tendapparat for serietendning av sprengladdningar eller ringar av dylika

Country Status (10)

Country Link
US (1) US3934514A (sv)
JP (1) JPS4956131A (sv)
AU (1) AU471701B2 (sv)
CA (1) CA1005146A (sv)
DE (1) DE2327432C3 (sv)
GB (1) GB1399972A (sv)
IT (1) IT1006583B (sv)
SE (1) SE411069B (sv)
ZA (1) ZA733146B (sv)
ZM (1) ZM8673A1 (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH598566A5 (sv) * 1975-10-23 1978-04-28 Brevetor Sa
ZA757981B (en) * 1975-12-23 1977-07-27 Plessey Sa Ltd The sequential initiation of explosions
US4051907A (en) * 1976-03-10 1977-10-04 N L Industries, Inc. Selective firing system
AU518851B2 (en) * 1978-04-26 1981-10-22 Aeci Limited Explosives
GB2121089B (en) * 1982-06-03 1985-04-11 Ici Plc Apparatus for initiating explosions and method therefor
US4527636A (en) * 1982-07-02 1985-07-09 Schlumberger Technology Corporation Single-wire selective perforation system having firing safeguards
US4496010A (en) * 1982-07-02 1985-01-29 Schlumberger Technology Corporation Single-wire selective performation system
MW1787A1 (en) * 1986-04-10 1987-12-09 Ici Australia Ltd Blasting method
US5440990A (en) * 1993-09-16 1995-08-15 The Walt Disney Company Electronic time fuze
WO2012034137A1 (en) * 2010-09-09 2012-03-15 Detnet South Africa (Pty) Limited Blasting arrangement
CN113758384B (zh) * 2021-07-30 2023-12-05 湖北汉丹机电有限公司 一种用于爆炸物的电子安全系统、方法及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1287495B (sv) * 1969-01-16
US2546686A (en) * 1947-03-21 1951-03-27 Du Pont Blasting device
GB728598A (en) * 1952-05-21 1955-04-20 Ici Ltd 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
US3133231A (en) * 1960-12-05 1964-05-12 Inst Francais Du Petrole Control device for time-spaced seismic shots
US3102476A (en) * 1961-04-24 1963-09-03 Manley H Naeseth Electric circuit for firing detonators consecutively
US3306208A (en) * 1963-09-20 1967-02-28 Hamilton Watch Co Universal intervalometer
US3312869A (en) * 1964-05-12 1967-04-04 Werner Peder Detonator apparatus for series firing of explosives
US3316451A (en) * 1964-12-07 1967-04-25 Robert L Silberman Intervalometer
US3417259A (en) * 1966-10-26 1968-12-17 Conductron Corp Control systems for sequentially actuating a plurality of loads
ES345935A1 (es) * 1966-11-12 1968-12-01 Wasagchemie Ag Una disposicion de circuito con tiristores y diodos de cua-tro capas para conmutadores de pasos.
US3571605A (en) * 1969-08-25 1971-03-23 Us Air Force Intervalometer for an illumination system

Also Published As

Publication number Publication date
DE2327432A1 (de) 1974-01-10
CA1005146A (en) 1977-02-08
DE2327432C3 (de) 1981-05-14
DE2327432B2 (de) 1980-09-11
ZM8673A1 (en) 1975-02-21
US3934514A (en) 1976-01-27
JPS4956131A (sv) 1974-05-31
AU471701B2 (en) 1976-04-29
AU5578273A (en) 1974-11-21
IT1006583B (it) 1976-10-20
GB1399972A (en) 1975-07-02
ZA733146B (en) 1974-04-24

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