FR754731A - Development of detonator safety devices - Google Patents

Development of detonator safety devices

Info

Publication number
FR754731A
FR754731A FR754731DA FR754731A FR 754731 A FR754731 A FR 754731A FR 754731D A FR754731D A FR 754731DA FR 754731 A FR754731 A FR 754731A
Authority
FR
France
Prior art keywords
development
safety devices
detonator safety
detonator
devices
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
Other languages
French (fr)
Inventor
Joseph Thomas Charles Williams
Russell James Townsend
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 filed Critical
Application granted granted Critical
Publication of FR754731A publication Critical patent/FR754731A/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
    • F42B3/10—Initiators therefor
    • F42B3/18—Safety initiators resistant to premature firing by static electricity or stray currents
    • F42B3/182—Safety initiators resistant to premature firing by static electricity or stray currents having shunting means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
FR754731D 1932-07-12 1933-04-25 Development of detonator safety devices Expired FR754731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US622166A US1897685A (en) 1932-07-12 1932-07-12 Detonator safety device

Publications (1)

Publication Number Publication Date
FR754731A true FR754731A (en) 1933-11-13

Family

ID=24493161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754731D Expired FR754731A (en) 1932-07-12 1933-04-25 Development of detonator safety devices

Country Status (4)

Country Link
US (1) US1897685A (en)
BE (1) BE395918A (en)
FR (1) FR754731A (en)
GB (1) GB398762A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633800A (en) * 1949-08-20 1953-04-07 Olin Ind Inc Blasting cap assembly
US2704032A (en) * 1951-01-30 1955-03-15 Maruschak Nick Safety mine shooting devices
US5129322A (en) * 1990-05-14 1992-07-14 Jet Research Center, Inc. Explosive tubing cutter and method of assembly

Also Published As

Publication number Publication date
US1897685A (en) 1933-02-14
BE395918A (en) 1933-05-31
GB398762A (en) 1933-09-21

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