US3832949A - Device for generating signals by emitting shock waves - Google Patents

Device for generating signals by emitting shock waves Download PDF

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Publication number
US3832949A
US3832949A US00353574A US35357473A US3832949A US 3832949 A US3832949 A US 3832949A US 00353574 A US00353574 A US 00353574A US 35357473 A US35357473 A US 35357473A US 3832949 A US3832949 A US 3832949A
Authority
US
United States
Prior art keywords
medium
shock waves
chain
shock
propagation
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 - Lifetime
Application number
US00353574A
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English (en)
Inventor
J Delgendre
V Guigot
V Marchandise
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Application granted granted Critical
Publication of US3832949A publication Critical patent/US3832949A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D3/00—Particular applications of blasting techniques
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/14—Audible signalling systems; Audible personal calling systems using explosives
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • G10K15/043—Sound-producing devices producing shock waves
US00353574A 1972-04-25 1973-04-23 Device for generating signals by emitting shock waves Expired - Lifetime US3832949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214547A FR2181451B1 (fr) 1972-04-25 1972-04-25

Publications (1)

Publication Number Publication Date
US3832949A true US3832949A (en) 1974-09-03

Family

ID=9097447

Family Applications (1)

Application Number Title Priority Date Filing Date
US00353574A Expired - Lifetime US3832949A (en) 1972-04-25 1973-04-23 Device for generating signals by emitting shock waves

Country Status (9)

Country Link
US (1) US3832949A (fr)
CA (1) CA979515A (fr)
DE (1) DE2320923A1 (fr)
FR (1) FR2181451B1 (fr)
GB (1) GB1422357A (fr)
IT (1) IT987052B (fr)
NL (1) NL7305685A (fr)
NO (1) NO134884C (fr)
SE (1) SE381119B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045123A2 (fr) * 1999-01-20 2000-08-03 The Ensign-Bickford Company Charge explosive accumulee pour cordeau detonant de mineur, procede de fabrication et utilisation de celle-ci
WO2000055105A2 (fr) * 1999-03-17 2000-09-21 Input/Output, Inc. Source d'energie explosive engendrant des ondes de cisaillement

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112699A (en) * 1961-04-14 1963-12-03 Du Pont Sonic pulse generator
US3228331A (en) * 1963-09-30 1966-01-11 Bernard E Drimmer Detonation arrester for liquid detonable substances
US3238871A (en) * 1963-11-12 1966-03-08 Pan American Petroleum Corp Adjustable time delay explosive charge element
US3323611A (en) * 1965-01-08 1967-06-06 Chevron Res Seismic source, method and apparatus for forming same
GB1138654A (en) * 1966-02-07 1969-01-01 Ici Ltd Explosive charges for seismic prospecting
US3460477A (en) * 1967-12-26 1969-08-12 Explosive Tech One-way detonation transfer device and assembly
US3687074A (en) * 1962-08-24 1972-08-29 Du Pont Pulse producing assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112699A (en) * 1961-04-14 1963-12-03 Du Pont Sonic pulse generator
US3687074A (en) * 1962-08-24 1972-08-29 Du Pont Pulse producing assembly
US3228331A (en) * 1963-09-30 1966-01-11 Bernard E Drimmer Detonation arrester for liquid detonable substances
US3238871A (en) * 1963-11-12 1966-03-08 Pan American Petroleum Corp Adjustable time delay explosive charge element
US3323611A (en) * 1965-01-08 1967-06-06 Chevron Res Seismic source, method and apparatus for forming same
GB1138654A (en) * 1966-02-07 1969-01-01 Ici Ltd Explosive charges for seismic prospecting
US3460477A (en) * 1967-12-26 1969-08-12 Explosive Tech One-way detonation transfer device and assembly

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000045123A2 (fr) * 1999-01-20 2000-08-03 The Ensign-Bickford Company Charge explosive accumulee pour cordeau detonant de mineur, procede de fabrication et utilisation de celle-ci
WO2000045123A3 (fr) * 1999-01-20 2001-02-01 Ensign Bickford Co Charge explosive accumulee pour cordeau detonant de mineur, procede de fabrication et utilisation de celle-ci
US6508176B1 (en) 1999-01-20 2003-01-21 The Ensign-Bickford Company Accumulated detonating cord explosive charge and method of making and of use of the same
US20040025734A1 (en) * 1999-01-20 2004-02-12 Badger Farrell G. Accumulated detonating cord explosive charge and method of making and of use of the same
US6880465B2 (en) 1999-01-20 2005-04-19 Dyno Nobel Inc. Accumulated detonating cord explosive charge and method of making and of use of the same
WO2000055105A2 (fr) * 1999-03-17 2000-09-21 Input/Output, Inc. Source d'energie explosive engendrant des ondes de cisaillement
WO2000055105A3 (fr) * 1999-03-17 2001-05-31 Input Output Inc Source d'energie explosive engendrant des ondes de cisaillement

Also Published As

Publication number Publication date
FR2181451B1 (fr) 1977-12-23
NO134884C (fr) 1977-01-05
CA979515A (en) 1975-12-09
IT987052B (it) 1975-02-20
FR2181451A1 (fr) 1973-12-07
NL7305685A (fr) 1973-10-29
DE2320923A1 (de) 1973-11-08
NO134884B (fr) 1976-09-20
GB1422357A (en) 1976-01-28
SE381119B (sv) 1975-11-24

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