FR488870A - Safety cartridges for mines - Google Patents

Safety cartridges for mines

Info

Publication number
FR488870A
FR488870A FR488870A FR488870DA FR488870A FR 488870 A FR488870 A FR 488870A FR 488870 A FR488870 A FR 488870A FR 488870D A FR488870D A FR 488870DA FR 488870 A FR488870 A FR 488870A
Authority
FR
France
Prior art keywords
mines
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
FR488870A
Other languages
French (fr)
Inventor
Emmanuel Lemaire
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR488870A publication Critical patent/FR488870A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F17C13/045—Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers
    • 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
FR488870A 1914-02-23 1916-04-21 Safety cartridges for mines Expired FR488870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE488870X 1914-02-23

Publications (1)

Publication Number Publication Date
FR488870A true FR488870A (en) 1918-11-21

Family

ID=5672516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488870A Expired FR488870A (en) 1914-02-23 1916-04-21 Safety cartridges for mines

Country Status (2)

Country Link
FR (1) FR488870A (en)
NL (1) NL3091C (en)

Also Published As

Publication number Publication date
NL3091C (en)

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