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FR2877720B1 - METHOD FOR PRODUCING AN ELECTROPYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN AN INITIATOR, INITIATOR OBTAINED - Google Patents

METHOD FOR PRODUCING AN ELECTROPYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN AN INITIATOR, INITIATOR OBTAINED

Info

Publication number
FR2877720B1
FR2877720B1 FR0452542A FR0452542A FR2877720B1 FR 2877720 B1 FR2877720 B1 FR 2877720B1 FR 0452542 A FR0452542 A FR 0452542A FR 0452542 A FR0452542 A FR 0452542A FR 2877720 B1 FR2877720 B1 FR 2877720B1
Authority
FR
France
Prior art keywords
initiator
primary composition
electrothermal bridge
producing
interface
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
FR0452542A
Other languages
French (fr)
Other versions
FR2877720A1 (en
Inventor
Stephane Phelep
Therese Nguyen
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.)
Davey Bickford SAS
Original Assignee
Davey Bickford SAS
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 Davey Bickford SAS filed Critical Davey Bickford SAS
Priority to FR0452542A priority Critical patent/FR2877720B1/en
Priority to EP05814875A priority patent/EP1809980B1/en
Priority to DE602005007054T priority patent/DE602005007054D1/en
Priority to PCT/FR2005/002759 priority patent/WO2006051199A1/en
Priority to AT05814875T priority patent/ATE396376T1/en
Publication of FR2877720A1 publication Critical patent/FR2877720A1/en
Application granted granted Critical
Publication of FR2877720B1 publication Critical patent/FR2877720B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F42B3/195—Manufacture
    • F42B3/198—Manufacture of electric initiator heads e.g., testing, machines
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0033—Shaping the mixture
    • C06B21/005—By a process involving melting at least part of the ingredients
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C7/00—Non-electric detonators; Blasting caps; Primers
    • C06C7/02—Manufacture; Packing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Resistance Heating (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

The invention relates to a method of producing an electro-pyrotechnic interface between an electrothermal bridge (2) and a primary composition (3) inside an electro-pyrotechnic initiator (1), the latter being intended to produce a pyrotechnic effect when electrical energy above a trigger threshold is sent to the electrothermal bridge (2). The inventive method comprises the following steps consisting in: using a primary composition (3) having thermoplastic properties; assembling the electrothermal bridge (2) and the primary composition (3) with thermoplastic properties inside the initiator (1); and sending softening electrical energy (4) into the electrothermal bridge (2), which heats and softens (5) the primary composition (3) at least in the part that is in contact with the electrothermal bridge (2), said softening electrical energy being below the trigger threshold.
FR0452542A 2004-11-05 2004-11-05 METHOD FOR PRODUCING AN ELECTROPYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN AN INITIATOR, INITIATOR OBTAINED Expired - Lifetime FR2877720B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0452542A FR2877720B1 (en) 2004-11-05 2004-11-05 METHOD FOR PRODUCING AN ELECTROPYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN AN INITIATOR, INITIATOR OBTAINED
EP05814875A EP1809980B1 (en) 2004-11-05 2005-11-04 Method of producing an electro-pyrotechnic interface between an electrothermal bridge and a primary composition inside an initiator, and initiator thus obtained
DE602005007054T DE602005007054D1 (en) 2004-11-05 2005-11-04 METHOD FOR PRODUCING AN ELECTRO-PYROTECHNICAL INTERFACE BETWEEN AN ELECTRO-THERMAL BRIDGE AND A PRIMARY COMPOSITION IN A ZUNDER AND SOURCE-GENERATED IGNITOR
PCT/FR2005/002759 WO2006051199A1 (en) 2004-11-05 2005-11-04 Method of producing an electro-pyrotechnic interface between an electrothermal bridge and a primary composition inside an initiator, and initiator thus obtained
AT05814875T ATE396376T1 (en) 2004-11-05 2005-11-04 METHOD FOR PRODUCING AN ELECTRO-PYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN A IGNITITOR AND IGNITION PRODUCED IN THIS WAY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0452542A FR2877720B1 (en) 2004-11-05 2004-11-05 METHOD FOR PRODUCING AN ELECTROPYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN AN INITIATOR, INITIATOR OBTAINED

Publications (2)

Publication Number Publication Date
FR2877720A1 FR2877720A1 (en) 2006-05-12
FR2877720B1 true FR2877720B1 (en) 2009-11-06

Family

ID=34954711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0452542A Expired - Lifetime FR2877720B1 (en) 2004-11-05 2004-11-05 METHOD FOR PRODUCING AN ELECTROPYROTECHNIC INTERFACE BETWEEN AN ELECTROTHERMAL BRIDGE AND A PRIMARY COMPOSITION IN AN INITIATOR, INITIATOR OBTAINED

Country Status (5)

Country Link
EP (1) EP1809980B1 (en)
AT (1) ATE396376T1 (en)
DE (1) DE602005007054D1 (en)
FR (1) FR2877720B1 (en)
WO (1) WO2006051199A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5648634A (en) * 1993-10-20 1997-07-15 Quantic Industries, Inc. Electrical initiator
US6305286B1 (en) * 1997-03-12 2001-10-23 Trw Inc. Preparation of an igniter with an ultraviolet cured ignition droplet
FR2781878B1 (en) * 1998-07-31 2001-02-16 Giat Ind Sa PROCESS FOR IMPLEMENTING A PYROTECHNIC SUBSTANCE AND PYROTECHNIC INITIATOR OBTAINED WITH SUCH A METHOD
US6272992B1 (en) * 1999-03-24 2001-08-14 Trw Inc. Power spot ignition droplet
FR2833693B1 (en) * 2001-12-14 2004-03-12 Livbag Snc PROCESS FOR MAKING AN ELECTRO-PYROTECHNICAL INITIATOR BY USE OF A WATER-BASED GLUE

Also Published As

Publication number Publication date
EP1809980B1 (en) 2008-05-21
EP1809980A1 (en) 2007-07-25
DE602005007054D1 (en) 2008-07-03
WO2006051199A1 (en) 2006-05-18
FR2877720A1 (en) 2006-05-12
ATE396376T1 (en) 2008-06-15

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