CA1173142A - Means for and a method of initiating explosions - Google Patents

Means for and a method of initiating explosions

Info

Publication number
CA1173142A
CA1173142A CA000393095A CA393095A CA1173142A CA 1173142 A CA1173142 A CA 1173142A CA 000393095 A CA000393095 A CA 000393095A CA 393095 A CA393095 A CA 393095A CA 1173142 A CA1173142 A CA 1173142A
Authority
CA
Canada
Prior art keywords
initiating
voltage
explosion
circuit
power oscillator
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
CA000393095A
Other languages
English (en)
French (fr)
Inventor
John M.E. Gellar
John P. Wilson
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.)
Orica Explosives Technology Pty 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 CA1173142A publication Critical patent/CA1173142A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/58—Electric firing mechanisms
    • F41A19/63—Electric firing mechanisms having means for contactless transmission of electric energy, e.g. by induction, by sparking gap

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Air Bags (AREA)
CA000393095A 1981-06-22 1981-12-23 Means for and a method of initiating explosions Expired CA1173142A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8119236 1981-06-22
GB8119236 1981-06-22

Publications (1)

Publication Number Publication Date
CA1173142A true CA1173142A (en) 1984-08-21

Family

ID=10522730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000393095A Expired CA1173142A (en) 1981-06-22 1981-12-23 Means for and a method of initiating explosions

Country Status (4)

Country Link
US (1) US4422379A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1173142A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN157676B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PH (1) PH18631A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ199972A (en) * 1981-03-27 1985-10-11 Aeci Ltd Testing ac operable detonator modules using dc pulses
US4768127A (en) * 1986-05-21 1988-08-30 C-I-L Inc. Ignition system
US5476044A (en) * 1994-10-14 1995-12-19 The Ensign-Bickford Company Electronic safe/arm device
US5773749A (en) * 1995-06-07 1998-06-30 Tracor, Inc. Frequency and voltage dependent multiple payload dispenser
US5912428A (en) * 1997-06-19 1999-06-15 The Ensign-Bickford Company Electronic circuitry for timing and delay circuits
US6470803B1 (en) 1997-12-17 2002-10-29 Prime Perforating Systems Limited Blasting machine and detonator apparatus
US6565119B2 (en) 2001-07-11 2003-05-20 Trw Inc. Vehicle occupant safety apparatus with restraint communication bus and transformer connections
PE20060926A1 (es) * 2004-11-02 2006-09-04 Orica Explosives Tech Pty Ltd Montajes de detonadores inalambricos, aparatos de voladura correspondientes y metodos de voladura

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396914A (en) * 1940-01-15 1946-03-19 Jr Joseph F Cook Mine firing system
GB646013A (en) 1945-10-12 1950-11-15 Westinghouse Electric Int Co Improvements in or relating to high frequency electric heating systems
US3255266A (en) * 1961-07-06 1966-06-07 Commerical Solvent Corp Process for the recovery of cyclohexane
US3166689A (en) * 1962-02-19 1965-01-19 Gen Precision Inc Charging circuit for exploding bridge wires
US3171063A (en) * 1962-07-20 1965-02-23 Jersey Prod Res Co Remote trigger arrangement for blaster
SE339346B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-03-12 1971-10-04 Amlab Ab
US3806688A (en) 1972-04-13 1974-04-23 Westinghouse Electric Corp Induction heat cooking apparatus
CH586385A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-12-10 1977-03-31 Oerlikon Buehrle Ag
JPS5820226B2 (ja) 1976-01-14 1983-04-22 松下電器産業株式会社 静止電力変換装置
GB1520036A (en) * 1976-05-04 1978-08-02 Ml Aviation Co Ltd Ignition circuits
SE416349B (sv) 1976-05-18 1980-12-15 Nitro Nobel Ab Metod och anordning for initiering av elektriska sprengkapslar
GB2014380B (en) * 1978-02-01 1982-09-08 Ici Ltd Control circuit for energising an electrically ignited load
IN152055B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1978-05-24 1983-10-08 Ici Plc
GB2022222B (en) 1978-05-24 1982-06-09 Ici Ltd Electric ignition of explosives

Also Published As

Publication number Publication date
US4422379A (en) 1983-12-27
IN157676B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-05-17
PH18631A (en) 1985-08-23

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry