FR986341A - Perfectionnements au tir des coups dans les mines et les carrières - Google Patents

Perfectionnements au tir des coups dans les mines et les carrières

Info

Publication number
FR986341A
FR986341A FR986341DA FR986341A FR 986341 A FR986341 A FR 986341A FR 986341D A FR986341D A FR 986341DA FR 986341 A FR986341 A FR 986341A
Authority
FR
France
Prior art keywords
quarries
mines
shooting
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)
French (fr)
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.)
Victor Products Wallsend Ltd
Victor Products Ltd
Original Assignee
Victor Products Wallsend Ltd
Victor Products 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 Victor Products Wallsend Ltd, Victor Products Ltd filed Critical Victor Products Wallsend Ltd
Application granted granted Critical
Publication of FR986341A publication Critical patent/FR986341A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
FR986341D 1948-05-28 1949-05-19 Perfectionnements au tir des coups dans les mines et les carrières Expired FR986341A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB986341X 1948-05-28

Publications (1)

Publication Number Publication Date
FR986341A true FR986341A (fr) 1951-07-30

Family

ID=10845358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986341D Expired FR986341A (fr) 1948-05-28 1949-05-19 Perfectionnements au tir des coups dans les mines et les carrières

Country Status (2)

Country Link
BE (1) BE489242A (en, 2012)
FR (1) FR986341A (en, 2012)

Also Published As

Publication number Publication date
BE489242A (en, 2012)

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