GB981863A - Delay assembly for blasting - Google Patents

Delay assembly for blasting

Info

Publication number
GB981863A
GB981863A GB263464A GB263464A GB981863A GB 981863 A GB981863 A GB 981863A GB 263464 A GB263464 A GB 263464A GB 263464 A GB263464 A GB 263464A GB 981863 A GB981863 A GB 981863A
Authority
GB
United Kingdom
Prior art keywords
silicon
mixture
weight
lead
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
GB263464A
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian 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 Canadian Industries Ltd filed Critical Canadian Industries Ltd
Publication of GB981863A publication Critical patent/GB981863A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C5/00—Fuses, e.g. fuse cords
    • C06C5/06—Fuse igniting means; Fuse connectors
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Resistance Heating (AREA)

Abstract

<PICT:0981863/C1/1> A delay composition for use in a blasting assembly (see Division F3) may be a mixture of lead dioxide and silicon in the ratio 55: 45 parts by weight or a mixture of red lead and silicon in the ratio 70:30 parts by weight. This composition is compressed into a tube 7 and is initiated by a starter charge which is housed in a cylinder 8 and may be a mixture of silicon, selenium, red lead, lead chromate and barium chromate in the following proportions by weight: 9: 1: 40:28:22.
GB263464A 1963-02-07 1964-01-21 Delay assembly for blasting Expired GB981863A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA868350 1963-02-07

Publications (1)

Publication Number Publication Date
GB981863A true GB981863A (en) 1965-01-27

Family

ID=4141659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB263464A Expired GB981863A (en) 1963-02-07 1964-01-21 Delay assembly for blasting

Country Status (2)

Country Link
CH (1) CH408740A (en)
GB (1) GB981863A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439955A2 (en) * 1990-01-30 1991-08-07 Dyno Nobel Inc. Delay detonator
RU2739405C1 (en) * 2020-06-26 2020-12-23 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Pyrotechnical retarding composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0439955A2 (en) * 1990-01-30 1991-08-07 Dyno Nobel Inc. Delay detonator
EP0439955A3 (en) * 1990-01-30 1992-06-03 Ireco Incorporated Delay detonator
RU2739405C1 (en) * 2020-06-26 2020-12-23 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Pyrotechnical retarding composition
RU2739405C9 (en) * 2020-06-26 2022-04-18 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Pyrotechnical retarding composition

Also Published As

Publication number Publication date
CH408740A (en) 1966-02-28

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