FR563225A - Safety cartridges for mines and process for their manufacture - Google Patents

Safety cartridges for mines and process for their manufacture

Info

Publication number
FR563225A
FR563225A FR563225DA FR563225A FR 563225 A FR563225 A FR 563225A FR 563225D A FR563225D A FR 563225DA FR 563225 A FR563225 A FR 563225A
Authority
FR
France
Prior art keywords
mines
manufacture
cartridges
safety
safety cartridges
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)
Inventor
Emmanuel Lemaire
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 filed Critical
Application granted granted Critical
Publication of FR563225A publication Critical patent/FR563225A/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
    • F42B3/28—Cartridge cases characterised by the material used, e.g. coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR563225D 1921-01-18 1921-04-15 Safety cartridges for mines and process for their manufacture Expired FR563225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE563225X 1921-01-18

Publications (1)

Publication Number Publication Date
FR563225A true FR563225A (en) 1923-11-29

Family

ID=3872819

Family Applications (1)

Application Number Title Priority Date Filing Date
FR563225D Expired FR563225A (en) 1921-01-18 1921-04-15 Safety cartridges for mines and process for their manufacture

Country Status (1)

Country Link
FR (1) FR563225A (en)

Similar Documents

Publication Publication Date Title
FR563225A (en) Safety cartridges for mines and process for their manufacture
FR543762A (en) Process for making primers
FR524537A (en) Monochlortoluenes separation process
FR549727A (en) Process for making sulfur protochloride
FR536407A (en) Primers and process for their preparation
FR528400A (en) Process for the manufacture of explosives and detonators
FR26913E (en) Process for making primers
FR538151A (en) Detonator and process for preparing it
FR538663A (en) Process for the construction of partitions
FR543796A (en) Process and furnace for the electro-thermal production of zinc
FR531000A (en) Process for ore reduction
FR587688A (en) Process for the separation of elements from gas mixtures
FR558626A (en) Improved gas production process
FR25046E (en) Metallurgical coke manufacturing process
FR556068A (en) Coke production process
FR547357A (en) Metal desulfurization process
FR536946A (en) Process for preparing filter plugs for smoke
FR23444E (en) Metallurgical process
FR518251A (en) Ore concentration process
FR530183A (en) Basic slag granulation process
FR597438A (en) Process for improving the performance of foundry cupolas
FR542720A (en) New coloring materials of the triarylmethane series and process for their manufacture
FR551901A (en) Casting process
FR523909A (en) New grinding process
FR537513A (en) Process for the treatment of vanadium ores