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BE569817A - Electric safety primers for mines, protected against ignition by foreign electric currents - Google Patents

Electric safety primers for mines, protected against ignition by foreign electric currents

Info

Publication number
BE569817A
BE569817A BE569817A BE569817A BE569817A BE 569817 A BE569817 A BE 569817A BE 569817 A BE569817 A BE 569817A BE 569817 A BE569817 A BE 569817A BE 569817 A BE569817 A BE 569817A
Authority
BE
Belgium
Prior art keywords
electric
mines
primers
protected against
foreign
Prior art date
Application number
BE569817A
Other languages
French (fr)
Inventor
Fabrizio Lazari
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of BE569817A publication Critical patent/BE569817A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
    • C07C23/02—Monocyclic halogenated hydrocarbons
    • C07C23/10—Monocyclic halogenated hydrocarbons with a six-membered ring
    • C07C23/12—Hexachlorocyclohexanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/24—Obtaining flakes by scraping a solid layer from a surface
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
BE569817A 1955-11-10 1958-07-28 Electric safety primers for mines, protected against ignition by foreign electric currents BE569817A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT339851X 1955-11-10
IT1059818X 1957-07-29

Publications (1)

Publication Number Publication Date
BE569817A true BE569817A (en) 1959-01-28

Family

ID=48197784

Family Applications (1)

Application Number Title Priority Date Filing Date
BE569817A BE569817A (en) 1955-11-10 1958-07-28 Electric safety primers for mines, protected against ignition by foreign electric currents

Country Status (1)

Country Link
BE (1) BE569817A (en)

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