FR536953A - Process for making holes for masts and in general holes of exactly cylindrical shape - Google Patents

Process for making holes for masts and in general holes of exactly cylindrical shape

Info

Publication number
FR536953A
FR536953A FR536953DA FR536953A FR 536953 A FR536953 A FR 536953A FR 536953D A FR536953D A FR 536953DA FR 536953 A FR536953 A FR 536953A
Authority
FR
France
Prior art keywords
holes
masts
cylindrical shape
general
exactly cylindrical
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
Adolphe Silbernagel
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 FR536953A publication Critical patent/FR536953A/en
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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/007—Drilling by use of explosives

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR536953D 1921-06-16 1921-06-16 Process for making holes for masts and in general holes of exactly cylindrical shape Expired FR536953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR536953T 1921-06-16

Publications (1)

Publication Number Publication Date
FR536953A true FR536953A (en) 1922-05-12

Family

ID=8927164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR536953D Expired FR536953A (en) 1921-06-16 1921-06-16 Process for making holes for masts and in general holes of exactly cylindrical shape

Country Status (1)

Country Link
FR (1) FR536953A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622528A (en) * 1945-04-07 1952-12-23 Hercules Powder Co Ltd Explosive cartridge
US2685251A (en) * 1947-12-17 1954-08-03 Du Pont Method of blasting
US3099216A (en) * 1959-11-19 1963-07-30 Jakobsen Kjell Method of excavating rock, ore and the like by blasting and means for use in said method
DE3641982A1 (en) * 1986-12-05 1988-06-16 Haase Energietech Gmbh Process for producing cavities in refuse dumps
US9169695B1 (en) * 2015-04-22 2015-10-27 OEP Associates, Trustee for Oil exploration probe CRT Trust Oil exploration probe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622528A (en) * 1945-04-07 1952-12-23 Hercules Powder Co Ltd Explosive cartridge
US2685251A (en) * 1947-12-17 1954-08-03 Du Pont Method of blasting
US3099216A (en) * 1959-11-19 1963-07-30 Jakobsen Kjell Method of excavating rock, ore and the like by blasting and means for use in said method
DE3641982A1 (en) * 1986-12-05 1988-06-16 Haase Energietech Gmbh Process for producing cavities in refuse dumps
US9169695B1 (en) * 2015-04-22 2015-10-27 OEP Associates, Trustee for Oil exploration probe CRT Trust Oil exploration probe

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