GB2093286B - Sequential detonation of explosions - Google Patents

Sequential detonation of explosions

Info

Publication number
GB2093286B
GB2093286B GB8203610A GB8203610A GB2093286B GB 2093286 B GB2093286 B GB 2093286B GB 8203610 A GB8203610 A GB 8203610A GB 8203610 A GB8203610 A GB 8203610A GB 2093286 B GB2093286 B GB 2093286B
Authority
GB
United Kingdom
Prior art keywords
explosions
sequential detonation
detonation
sequential
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
GB8203610A
Other versions
GB2093286A (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.)
AECI Ltd
Original Assignee
AECI 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 AECI Ltd filed Critical AECI Ltd
Publication of GB2093286A publication Critical patent/GB2093286A/en
Application granted granted Critical
Publication of GB2093286B publication Critical patent/GB2093286B/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
    • F42D1/045—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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25054—Calibration timer, compare 1st, number of pulses during calibration with second counter
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2665—Detonator, fuze

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Air Bags (AREA)
GB8203610A 1981-02-12 1982-02-08 Sequential detonation of explosions Expired GB2093286B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA81944 1981-02-12

Publications (2)

Publication Number Publication Date
GB2093286A GB2093286A (en) 1982-08-25
GB2093286B true GB2093286B (en) 1985-02-13

Family

ID=25575197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8203610A Expired GB2093286B (en) 1981-02-12 1982-02-08 Sequential detonation of explosions

Country Status (5)

Country Link
AU (1) AU545560B2 (en)
CA (1) CA1188777A (en)
GB (1) GB2093286B (en)
NZ (1) NZ199616A (en)
ZW (1) ZW2182A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO167995C (en) * 1982-07-02 1992-01-02 Schlumberger Ltd PROCEDURE AND SYSTEM FOR SELECTIVE BROENN PERFORING BY A SIMPLE WIRE.
EG19633A (en) * 1983-12-22 1995-08-30 Dynamit Nobel Ag Process for chronologically staggered release of electronic explosive detonating device
GB8718202D0 (en) * 1987-07-31 1987-09-09 Du Pont Canada Blasting system
US5117756A (en) * 1989-02-03 1992-06-02 Atlas Powder Company Method and apparatus for a calibrated electronic timing circuit
GB9423313D0 (en) * 1994-11-18 1995-01-11 Explosive Dev Ltd Improvements in or relating to detonation means
DE19525202C1 (en) * 1995-07-11 1996-02-08 Honeywell Ag Inductively programmed electronic detonator calibration system
WO2000009967A1 (en) * 1998-08-13 2000-02-24 Expert Explosives (Proprietary) Limited Blasting arrangement
CA2493703C (en) * 2002-08-30 2008-01-29 Orica Explosives Technology Pty Ltd. Access control for electronic blasting machines
WO2008098302A1 (en) 2007-02-16 2008-08-21 Orica Explosives Technology Pty Ltd Method of communication at a blast site, and corresponding blasting apparatus

Also Published As

Publication number Publication date
AU7999682A (en) 1982-09-23
ZW2182A1 (en) 1982-09-18
GB2093286A (en) 1982-08-25
NZ199616A (en) 1985-11-08
CA1188777A (en) 1985-06-11
AU545560B2 (en) 1985-07-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee