GB398762A - Improvements in or relating to safety devices for electric blasting detonators - Google Patents

Improvements in or relating to safety devices for electric blasting detonators

Info

Publication number
GB398762A
GB398762A GB10721/33A GB1072133A GB398762A GB 398762 A GB398762 A GB 398762A GB 10721/33 A GB10721/33 A GB 10721/33A GB 1072133 A GB1072133 A GB 1072133A GB 398762 A GB398762 A GB 398762A
Authority
GB
United Kingdom
Prior art keywords
leads
detonators
short
relating
electric blasting
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
GB10721/33A
Other languages
English (en)
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.)
JOSEPH THOMAS CHARLES WILLIAMS
Original Assignee
JOSEPH THOMAS CHARLES WILLIAMS
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 JOSEPH THOMAS CHARLES WILLIAMS filed Critical JOSEPH THOMAS CHARLES WILLIAMS
Publication of GB398762A publication Critical patent/GB398762A/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)
GB10721/33A 1932-07-12 1933-04-10 Improvements in or relating to safety devices for electric blasting detonators Expired GB398762A (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
GB398762A true GB398762A (en) 1933-09-21

Family

ID=24493161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10721/33A Expired GB398762A (en) 1932-07-12 1933-04-10 Improvements in or relating to safety devices for electric blasting detonators

Country Status (4)

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

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
FR754731A (fr) 1933-11-13
BE395918A (enrdf_load_stackoverflow) 1933-05-31

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