DE3765860D1 - Elektrische, aufeinanderfolgende ausloesungen von explosionen. - Google Patents

Elektrische, aufeinanderfolgende ausloesungen von explosionen.

Info

Publication number
DE3765860D1
DE3765860D1 DE8787305934T DE3765860T DE3765860D1 DE 3765860 D1 DE3765860 D1 DE 3765860D1 DE 8787305934 T DE8787305934 T DE 8787305934T DE 3765860 T DE3765860 T DE 3765860T DE 3765860 D1 DE3765860 D1 DE 3765860D1
Authority
DE
Germany
Prior art keywords
module
series
switching means
initiator
electric
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 - Fee Related
Application number
DE8787305934T
Other languages
English (en)
Inventor
Stafford Alun Smithies
Raymond Catherall Atkins
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.)
General Mining Union Corp Ltd
Original Assignee
General Mining Union Corp 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 General Mining Union Corp Ltd filed Critical General Mining Union Corp Ltd
Application granted granted Critical
Publication of DE3765860D1 publication Critical patent/DE3765860D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)
  • Air Bags (AREA)
  • Seasonings (AREA)
  • Saccharide Compounds (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Combustion (AREA)
  • Discharge Heating (AREA)
DE8787305934T 1986-07-04 1987-07-03 Elektrische, aufeinanderfolgende ausloesungen von explosionen. Expired - Fee Related DE3765860D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA864984 1986-07-04

Publications (1)

Publication Number Publication Date
DE3765860D1 true DE3765860D1 (de) 1990-12-06

Family

ID=25578470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787305934T Expired - Fee Related DE3765860D1 (de) 1986-07-04 1987-07-03 Elektrische, aufeinanderfolgende ausloesungen von explosionen.

Country Status (7)

Country Link
US (1) US4796531A (de)
EP (1) EP0251824B1 (de)
AT (1) ATE58013T1 (de)
AU (1) AU596850B2 (de)
BR (1) BR8703397A (de)
DE (1) DE3765860D1 (de)
ZW (1) ZW12287A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8718202D0 (en) * 1987-07-31 1987-09-09 Du Pont Canada Blasting system
ATE180925T1 (de) * 1991-04-01 1999-06-15 Kevin Hunter Waldock Elektrischer verbinder
DE9105437U1 (de) * 1991-05-02 1992-09-03 EURO-Matsushita Electric Works AG, 8150 Holzkirchen Sprengkette
DE4221168C1 (de) * 1992-06-27 1993-11-18 Bergwerksverband Gmbh Verfahren zur Zündung von mehreren in Serie geschalteten Zündern und Zündmaschine mit Schaltung zur Vermeidung von Nebenschlußversagern
DE4225330C1 (de) * 1992-07-31 1993-11-04 Bergwerksverband Gmbh Vorrichtung zum sequentiellen zuenden von elektrischen zuendern
US5429052A (en) * 1993-07-30 1995-07-04 Buck Werke Gmbh & Co. Circuit arrangement for firing dummy target sub-members in a freely selectable chronological sequence
US5375524A (en) * 1993-11-16 1994-12-27 Larson; Larry J. Blasting connector system and method of use
US6082264A (en) * 1996-12-19 2000-07-04 Sasol Mining Initiators (Proprietary) Limited Connectors for wired networks for detonators
AR046387A1 (es) 2003-07-15 2005-12-07 Detnet South Africa Pty Ltd Sistema detonador y programacion de detonadores.

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB782305A (en) * 1955-06-22 1957-09-04 Ici Ltd Delay blasting device
US3099962A (en) * 1961-06-28 1963-08-06 Chester L Smith Electric timer and sequencing system for pyrotechnic flash items
US3316451A (en) * 1964-12-07 1967-04-25 Robert L Silberman Intervalometer
US3420175A (en) * 1967-04-05 1969-01-07 Us Navy Sequencing switch
US3513355A (en) * 1968-12-27 1970-05-19 Energy Conversion Devices Inc Fixed sequence multiple squib control circuit
US3714895A (en) * 1970-01-13 1973-02-06 Gulf Oil Corp Method for excavating by explosions
US3808459A (en) * 1972-12-04 1974-04-30 Alkan R & Cie Electronic distributor for the sequential supplying electric-current-receiving loads
US3987733A (en) * 1975-02-10 1976-10-26 The Ensign-Bickford Company Millisecond delay surface connector
ZA757981B (en) * 1975-12-23 1977-07-27 Plessey Sa Ltd The sequential initiation of explosions
US4326752A (en) * 1980-03-24 1982-04-27 Occidental Oil Shale, Inc. Method for forming an in situ oil shale retort
US4350097A (en) * 1980-05-19 1982-09-21 Atlas Powder Company Nonelectric delay detonator with tubular connecting arrangement
CA1155338A (en) * 1980-12-09 1983-10-18 Alan L. Davitt Non-electric delay blasting method
DE3266397D1 (en) * 1981-09-24 1985-10-24 Oerlikon Buehrle Ag Control circuit for firing a low-resistance fuse
US4536693A (en) * 1982-09-02 1985-08-20 Ltv Aerospace And Defense Company High-speed capacitor discharge circuit suitable for the protection of detonation devices
AU3328084A (en) * 1983-10-05 1985-04-18 Johannesburg Construction Corp. Pty. Ltd. Electrical sequential firing system

Also Published As

Publication number Publication date
AU596850B2 (en) 1990-05-17
US4796531A (en) 1989-01-10
EP0251824B1 (de) 1990-10-31
BR8703397A (pt) 1988-03-22
EP0251824A1 (de) 1988-01-07
ATE58013T1 (de) 1990-11-15
ZW12287A1 (en) 1987-09-30
AU7520287A (en) 1988-01-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee