FR437092A - Perfectionnements au tirage des coups de mine - Google Patents

Perfectionnements au tirage des coups de mine

Info

Publication number
FR437092A
FR437092A FR437092DA FR437092A FR 437092 A FR437092 A FR 437092A FR 437092D A FR437092D A FR 437092DA FR 437092 A FR437092 A FR 437092A
Authority
FR
France
Prior art keywords
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
English (en)
Inventor
Thomas Johnson
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 FR437092A publication Critical patent/FR437092A/fr
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
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F42D1/18—Plugs for boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR437092D 1911-12-01 1911-12-01 Perfectionnements au tirage des coups de mine Expired FR437092A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR437092T 1911-12-01

Publications (1)

Publication Number Publication Date
FR437092A true FR437092A (fr) 1912-04-12

Family

ID=1478730

Family Applications (1)

Application Number Title Priority Date Filing Date
FR437092D Expired FR437092A (fr) 1911-12-01 1911-12-01 Perfectionnements au tirage des coups de mine

Country Status (1)

Country Link
FR (1) FR437092A (fr)

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