FR2252495B1 - - Google Patents

Info

Publication number
FR2252495B1
FR2252495B1 FR7442990A FR7442990A FR2252495B1 FR 2252495 B1 FR2252495 B1 FR 2252495B1 FR 7442990 A FR7442990 A FR 7442990A FR 7442990 A FR7442990 A FR 7442990A FR 2252495 B1 FR2252495 B1 FR 2252495B1
Authority
FR
France
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
FR7442990A
Other languages
French (fr)
Other versions
FR2252495A1 (xx
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.)
Saab Bofors AB
Original Assignee
Bofors AB
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 Bofors AB filed Critical Bofors AB
Publication of FR2252495A1 publication Critical patent/FR2252495A1/fr
Application granted granted Critical
Publication of FR2252495B1 publication Critical patent/FR2252495B1/fr
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
    • F42B3/10—Initiators therefor
    • F42B3/18—Safety initiators resistant to premature firing by static electricity or stray currents
    • F42B3/188—Safety initiators resistant to premature firing by static electricity or stray currents having radio-frequency filters, e.g. containing ferrite cores or inductances

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Materials For Medical Uses (AREA)
FR7442990A 1973-11-27 1974-12-27 Expired FR2252495B1 (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7315995A SE378139B (xx) 1973-11-27 1973-11-27
SE7413381A SE387736B (sv) 1973-11-27 1974-10-24 Elektrisk tendare for start av raketmotorer

Publications (2)

Publication Number Publication Date
FR2252495A1 FR2252495A1 (xx) 1975-06-20
FR2252495B1 true FR2252495B1 (xx) 1981-12-24

Family

ID=26656425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442990A Expired FR2252495B1 (xx) 1973-11-27 1974-12-27

Country Status (7)

Country Link
CH (1) CH613500A5 (xx)
DE (1) DE2455903C2 (xx)
FR (1) FR2252495B1 (xx)
GB (1) GB1488893A (xx)
NL (1) NL174395C (xx)
NO (1) NO142728C (xx)
SE (2) SE378139B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559301A (en) * 1978-07-01 1980-01-23 Nissan Motor Connector for igniter
DE2904174C2 (de) * 1979-02-05 1984-01-26 Heko - Elektronik GmbH & Co KG, 2804 Lilienthal Elektrische Anzündeinheit
SE431590B (sv) * 1979-09-03 1984-02-13 Bofors Ab Kontaktdon med hogfrekvensfilter till en elektrisk tendare
SE431486B (sv) * 1979-09-03 1984-02-06 Bofors Ab Elektrisk tendare
GB2123122A (en) * 1982-01-08 1984-01-25 Hunting Eng Ltd Explosive devices
DE3324324C2 (de) * 1983-07-06 1985-06-13 Honeywell Gmbh, 6050 Offenbach Geschoß- oder Raketenzünder
FR2557689B1 (fr) * 1983-12-28 1987-06-12 Poudres & Explosifs Ste Nale Initiateur pyrotechnique utilisant une prise coaxiale
SE456939B (sv) * 1987-02-16 1988-11-14 Nitro Nobel Ab Spraengkapsel
IL82508A (en) * 1987-05-13 1991-06-10 Israel Defence Electric igniter assembly
DE3812958A1 (de) * 1988-04-19 1989-11-02 Diehl Gmbh & Co Elektrisches anzuendmittel
EP0758735A3 (en) * 1995-08-14 1998-01-07 ICI Americas Inc Pyrotechnic initiator and process of making same
CA2680455C (en) * 2007-03-12 2013-11-19 Dyno Nobel Inc. Detonator ignition protection circuit
US8601948B2 (en) * 2010-04-26 2013-12-10 Schlumberger Technology Corporation Spark gap isolated, RF safe, primary explosive detonator for downhole applications
WO2012081448A1 (ja) * 2010-12-16 2012-06-21 ボッシュ株式会社 グロープラグ駆動制御方法及びグロープラグ駆動制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640224A (en) * 1969-09-12 1972-02-08 Us Navy Rf immune firing circuit employing high-impedance leads
US3735705A (en) * 1971-07-15 1973-05-29 Amp Inc Filtered electro-explosive device
US3789762A (en) * 1972-03-30 1974-02-05 Us Navy Device to prevent accidental ignition of electro-explosives from electrostatic discharge

Also Published As

Publication number Publication date
SE7315995L (xx) 1975-05-28
GB1488893A (en) 1977-10-12
DE2455903C2 (de) 1984-02-16
FR2252495A1 (xx) 1975-06-20
NL7415397A (nl) 1975-05-29
SE7413381L (sv) 1976-04-26
NL174395C (nl) 1984-06-01
SE387736B (sv) 1976-09-13
NO744249L (xx) 1975-06-23
SE378139B (xx) 1975-08-18
NO142728C (no) 1980-10-01
CH613500A5 (en) 1979-09-28
DE2455903A1 (de) 1975-05-28
NO142728B (no) 1980-06-23

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Legal Events

Date Code Title Description
RE Withdrawal of published application
ST Notification of lapse