FR2257891B1 - - Google Patents

Info

Publication number
FR2257891B1
FR2257891B1 FR7436273A FR7436273A FR2257891B1 FR 2257891 B1 FR2257891 B1 FR 2257891B1 FR 7436273 A FR7436273 A FR 7436273A FR 7436273 A FR7436273 A FR 7436273A FR 2257891 B1 FR2257891 B1 FR 2257891B1
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
FR7436273A
Other versions
FR2257891A1 (fr
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.)
Imperial Chemical Industries 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
Publication of FR2257891A1 publication Critical patent/FR2257891A1/fr
Application granted granted Critical
Publication of FR2257891B1 publication Critical patent/FR2257891B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/32—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by change of fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C5/00—Fuzes actuated by exposure to a predetermined ambient fluid pressure
FR7436273A 1973-10-31 1974-10-30 Expired FR2257891B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB5060573A GB1431600A (en) 1973-10-31 1973-10-31 Method of blasting and a detenator firing device therefor
US05/515,017 US3987729A (en) 1973-10-31 1974-10-15 Device for firing an electric detonator
US05/718,203 US4037538A (en) 1973-10-31 1976-08-26 Device for firing an electric detonator

Publications (2)

Publication Number Publication Date
FR2257891A1 FR2257891A1 (fr) 1975-08-08
FR2257891B1 true FR2257891B1 (fr) 1978-09-22

Family

ID=27260159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436273A Expired FR2257891B1 (fr) 1973-10-31 1974-10-30

Country Status (7)

Country Link
US (2) US3987729A (fr)
JP (1) JPS50112737A (fr)
AT (1) AT335326B (fr)
CA (1) CA1028204A (fr)
DE (1) DE2451919C3 (fr)
FR (1) FR2257891B1 (fr)
GB (1) GB1431600A (fr)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2747163A1 (de) * 1977-10-20 1979-04-26 Dynamit Nobel Ag Elektrisches anzuendelement
ZW13181A1 (en) * 1980-07-29 1983-01-26 Canadian Ind Borehole charging method
GB2117948A (en) * 1982-03-22 1983-10-19 Ml Aviation Co Ltd Initiation of devices by high- frequency sound waves
GB2168793B (en) * 1984-12-21 1987-12-23 Emi Ltd Weapon systems
GB2200975B (en) * 1984-12-21 1989-02-15 Emi Ltd Explosive device
US4699241A (en) * 1985-10-24 1987-10-13 Atlantic Richfield Company Method and apparatus for detonation of distributed charges
SE459123B (sv) * 1987-08-14 1989-06-05 Bert Jonsson Taendsystem samt saett att initiera detsamma
JPS6431398U (fr) * 1987-08-18 1989-02-27
AU614870B2 (en) * 1988-09-01 1991-09-12 Orica Explosives Technology Pty Ltd A method of controlling a blasting operation
US5040463A (en) * 1989-09-28 1991-08-20 Alliant Techsystems Inc. Pressure activated power supply
US5202532A (en) * 1990-05-21 1993-04-13 Alliant Techsystems Inc. Autonomous acoustic detonation device
US5435248A (en) * 1991-07-09 1995-07-25 The Ensign-Bickford Company Extended range digital delay detonator
US5173569A (en) * 1991-07-09 1992-12-22 The Ensign-Bickford Company Digital delay detonator
IL108452A0 (en) * 1994-01-27 1994-11-11 Feigelson Leonid Autonomous electric detonator
US5485788A (en) * 1994-09-27 1996-01-23 Hughes Missile Systems Company Combination explosive primer and electro-explosive device
US6079332A (en) * 1996-11-01 2000-06-27 The Ensign-Bickford Company Shock-resistant electronic circuit assembly
US6311621B1 (en) 1996-11-01 2001-11-06 The Ensign-Bickford Company Shock-resistant electronic circuit assembly
US6247408B1 (en) * 1999-11-08 2001-06-19 The United States Of America As Represented By The Secretary Of The Army System for sympathetic detonation of explosives
FR2812937B1 (fr) * 2000-08-14 2005-03-04 Denel Proprietary Ltd Dispositif d'amorcage amplificateur de force pour cartouche
US6526686B1 (en) * 2001-11-01 2003-03-04 Cape Aerospace Power storage unit charging system for firearm
FR2903772B1 (fr) * 2006-07-13 2010-10-22 Giat Ind Sa Fusee d'impact a generateur piezoelectrique.
US8430029B2 (en) * 2008-01-31 2013-04-30 Bae Systems Information And Electronic Systems Integration Inc. Inertial delay fuse
CN102102969B (zh) * 2010-12-14 2013-04-17 西安庆华民用爆破器材股份有限公司 带弹片锁紧机构的起爆网络连接块
US10006281B2 (en) 2012-02-10 2018-06-26 Austin Star Detonator Company Calibration of molded piezoelectric longitudinal charge coefficient of a pressure sensor for blasting operation
US20130205888A1 (en) * 2012-02-10 2013-08-15 Austin Powder Company Method and apparatus to measure borehole pressure during blasting
US9913321B2 (en) * 2013-01-25 2018-03-06 Energyield, Llc Energy harvesting container
US9568294B2 (en) 2013-03-08 2017-02-14 Ensign-Bickford Aerospace & Defense Company Signal encrypted digital detonator system
CA3030747C (fr) 2013-12-02 2020-11-10 Austin Star Detonator Company Procede et appareil d'abattage a l'explosif sans fil
US10060716B2 (en) * 2014-12-01 2018-08-28 Matthew Creedican Explosives manipulation using ultrasound
MX2017012037A (es) * 2015-03-23 2019-04-15 Detnet South Africa Pty Ltd Metodo y sistema para detonacion subterranea.
CN105180722B (zh) * 2015-08-27 2017-02-01 江南工业集团有限公司 组合式水下发声源装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961507A (en) * 1950-02-28 1960-11-22 Paul M Higgs Switch
US2917642A (en) * 1955-02-21 1959-12-15 Wright Pressure-responsive transducer
US3005974A (en) * 1957-11-05 1961-10-24 Doyle L Northrup Apparatus for detecting the wake of a vessel
US3166684A (en) * 1962-07-03 1965-01-19 Clevite Corp Hydraulically actuated piezoelectric voltage generator
US3293676A (en) * 1964-01-02 1966-12-27 Ocean Systems Instrument capsule
US3320890A (en) * 1965-05-06 1967-05-23 Thomas Q Ciccone Piezo-electric detonation initiator system
JPS5146248B2 (fr) * 1971-10-15 1976-12-08

Also Published As

Publication number Publication date
US3987729A (en) 1976-10-26
DE2451919A1 (de) 1975-05-07
JPS50112737A (fr) 1975-09-04
CA1028204A (fr) 1978-03-21
DE2451919B2 (de) 1978-08-10
DE2451919C3 (de) 1979-04-05
AU7447474A (en) 1976-04-29
FR2257891A1 (fr) 1975-08-08
US4037538A (en) 1977-07-26
AT335326B (de) 1977-03-10
GB1431600A (en) 1976-04-07
ATA876574A (de) 1976-06-15

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Legal Events

Date Code Title Description
ST Notification of lapse