FR1062887A - Electric detonator with delayed action - Google Patents

Electric detonator with delayed action

Info

Publication number
FR1062887A
FR1062887A FR1062887DA FR1062887A FR 1062887 A FR1062887 A FR 1062887A FR 1062887D A FR1062887D A FR 1062887DA FR 1062887 A FR1062887 A FR 1062887A
Authority
FR
France
Prior art keywords
electric detonator
delayed action
delayed
action
detonator
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)
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
Priority claimed from GB2741951A external-priority patent/GB711815A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR1062887A publication Critical patent/FR1062887A/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
    • F42B3/16—Pyrotechnic delay initiators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
FR1062887D 1951-11-22 1952-09-11 Electric detonator with delayed action Expired FR1062887A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2771033X 1951-11-22
GB2741951A GB711815A (en) 1952-07-16 1952-07-16 Improvements in or relating to ventless delay electric initiators

Publications (1)

Publication Number Publication Date
FR1062887A true FR1062887A (en) 1954-04-28

Family

ID=32328129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1062887D Expired FR1062887A (en) 1951-11-22 1952-09-11 Electric detonator with delayed action

Country Status (4)

Country Link
US (1) US2771033A (en)
BE (1) BE514360A (en)
CH (1) CH310832A (en)
FR (1) FR1062887A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041972A (en) * 1958-12-15 1962-07-03 Atlas Chem Ind Arc resistant electric initiator
US3112699A (en) * 1961-04-14 1963-12-03 Du Pont Sonic pulse generator
US3102474A (en) * 1961-04-14 1963-09-03 Du Pont Sonic pulse generating device
US4369708A (en) * 1979-09-21 1983-01-25 E. I. Du Pont De Nemours And Company Delay blasting cap

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1825224A (en) * 1930-02-28 1931-09-29 Ensignbickford Co Safety fuse
GB383650A (en) * 1931-06-24 1932-11-24 Hercules Powder Co Ltd Improvement in delay action blasting detonators and the like
GB431950A (en) * 1934-04-07 1935-07-18 James Taylor Safety igniter for blasting explosive cartridges or borehole charges
US2513391A (en) * 1943-10-06 1950-07-04 Ici Ltd Waterproof fuse
US2416639A (en) * 1944-07-08 1947-02-25 Ensign Bickford Co Slow-burning powder composition
US2410801A (en) * 1945-03-13 1946-11-12 Ludwig F Audrieth Igniting composition
US2478501A (en) * 1945-08-01 1949-08-09 Ici Ltd Ignition compositions
BE486578A (en) * 1947-12-31
US2586959A (en) * 1949-09-16 1952-02-26 Canadian Ind Delay electric blasting cap

Also Published As

Publication number Publication date
CH310832A (en) 1955-11-15
US2771033A (en) 1956-11-20
BE514360A (en)

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