FR1147392A - Delay blasting device - Google Patents

Delay blasting device

Info

Publication number
FR1147392A
FR1147392A FR1147392DA FR1147392A FR 1147392 A FR1147392 A FR 1147392A FR 1147392D A FR1147392D A FR 1147392DA FR 1147392 A FR1147392 A FR 1147392A
Authority
FR
France
Prior art keywords
blasting device
delay blasting
delay
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
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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR1147392A publication Critical patent/FR1147392A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/06—Relative timing of multiple charges
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR1147392D 1955-06-22 1956-04-16 Delay blasting device Expired FR1147392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18035/55A GB782305A (en) 1955-06-22 1955-06-22 Delay blasting device

Publications (1)

Publication Number Publication Date
FR1147392A true FR1147392A (en) 1957-11-22

Family

ID=10105510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1147392D Expired FR1147392A (en) 1955-06-22 1956-04-16 Delay blasting device

Country Status (4)

Country Link
US (1) US2891476A (en)
DE (1) DE1043905B (en)
FR (1) FR1147392A (en)
GB (1) GB782305A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101051A (en) * 1957-07-31 1963-08-20 Western Co Of North America Apparatus for initiating fractures in earth formations
US3154013A (en) * 1961-10-10 1964-10-27 Du Pont Sonic pulse generator
US4335652A (en) * 1979-02-26 1982-06-22 E. I. Du Pont De Nemours & Company Non-electric delay detonator
US4350097A (en) * 1980-05-19 1982-09-21 Atlas Powder Company Nonelectric delay detonator with tubular connecting arrangement
US4770097A (en) * 1986-07-04 1988-09-13 General Mining Union Corporation Limited Mining method with no delay between shot initiator and firing
US4796531A (en) * 1986-07-04 1989-01-10 Gernal Mining Union Corporation Limited Mining method
US4771694A (en) * 1986-08-19 1988-09-20 The Ensign-Bickford Company Blasting signal transmission tube connector
US4742773A (en) * 1986-10-03 1988-05-10 The Ensign-Bickford Company Blasting signal transmission tube delay unit
US4730560A (en) * 1986-10-03 1988-03-15 The Ensign-Bickford Company Combination blasting signal transmission tube connector and delay assembly
US4716831A (en) * 1986-11-03 1988-01-05 The Ensign-Bickford Company Detonating cord connector
CN110186341B (en) * 2019-07-05 2023-06-16 中国人民解放军陆军工程大学 Blasting device and method for rapid forming of hard rock V-shaped pits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736263A (en) * 1956-02-28 Blasting explosive device
US2750831A (en) * 1956-06-19 Method of manufacturing electric blasting caps
DE812233C (en) * 1948-10-02 1951-08-27 Erwin Bargmann Hangings for windows
BE503949A (en) * 1950-06-15
DE915197C (en) * 1952-03-19 1954-07-15 Dynamit Nobel Ag Delayed piece as a connection between detonating cords
US2757566A (en) * 1953-02-26 1956-08-07 Canadian Ind 1954 Ltd Delay electric blasting caps containing spiral delay elements
US2796834A (en) * 1956-03-09 1957-06-25 Canadian Ind Short interval delay blasting device

Also Published As

Publication number Publication date
DE1043905B (en) 1958-11-13
GB782305A (en) 1957-09-04
US2891476A (en) 1959-06-23

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