GB1292924A - Devices for firing underwater an explosive charge - Google Patents

Devices for firing underwater an explosive charge

Info

Publication number
GB1292924A
GB1292924A GB04849/70A GB1484970A GB1292924A GB 1292924 A GB1292924 A GB 1292924A GB 04849/70 A GB04849/70 A GB 04849/70A GB 1484970 A GB1484970 A GB 1484970A GB 1292924 A GB1292924 A GB 1292924A
Authority
GB
United Kingdom
Prior art keywords
devices
explosive
wall
explosive charge
aluminium
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
GB04849/70A
Inventor
Pierre Magneville
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of GB1292924A publication Critical patent/GB1292924A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

1292924 Electrically fired explosive devices INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS 26 March 1970 [3 April 1969] 14849/70 Addition to 1173190 Heading F3A An explosive device for detonating in water comprises a female element having an electrically conducting external wall 33, e.g. of aluminium, an insulating internal wall 27 carrying an electrical contact 31, and an electrical conductor 35 extending across an explosive charge 10; and a male element comprising an external insulating wall 7, an internal conducting sleeve 24, e.g. of aluminium, and an electrical contact 26. On passage of an electrical current, the conductor 35 explodes and detonates the charge 10.
GB04849/70A 1969-04-03 1970-03-26 Devices for firing underwater an explosive charge Expired GB1292924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6910364A FR2040578A6 (en) 1969-04-03 1969-04-03

Publications (1)

Publication Number Publication Date
GB1292924A true GB1292924A (en) 1972-10-18

Family

ID=9031917

Family Applications (1)

Application Number Title Priority Date Filing Date
GB04849/70A Expired GB1292924A (en) 1969-04-03 1970-03-26 Devices for firing underwater an explosive charge

Country Status (7)

Country Link
US (1) US3685448A (en)
JP (1) JPS5025401B1 (en)
BE (1) BE747974R (en)
DE (1) DE2015798A1 (en)
FR (1) FR2040578A6 (en)
GB (1) GB1292924A (en)
NL (1) NL7004790A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52161236U (en) * 1976-05-28 1977-12-07
US7762172B2 (en) * 2006-08-23 2010-07-27 Schlumberger Technology Corporation Wireless perforating gun

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1108717A (en) * 1913-07-07 1914-08-25 Ordnance Dev Company Fixed ammunition for use on air-craft.
US2869825A (en) * 1953-10-26 1959-01-20 Phillips Petroleum Co Earth boring
US2926566A (en) * 1956-11-30 1960-03-01 Walter W Atkins Device for accelerating the ignition of the propellant for a projectile
US3249049A (en) * 1964-07-31 1966-05-03 Zimmerman Theodore Ballistic primer
US3363565A (en) * 1966-08-10 1968-01-16 Navy Usa Recessed ammunition primer
FR1540287A (en) * 1966-12-26 1968-09-27 Inst Francais Du Petrole Device for the explosion of charges in a liquid medium

Also Published As

Publication number Publication date
NL7004790A (en) 1970-10-06
DE2015798A1 (en) 1970-10-15
FR2040578A6 (en) 1971-01-22
JPS5025401B1 (en) 1975-08-23
BE747974R (en) 1970-08-31
US3685448A (en) 1972-08-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee