FR1539956A - Device for making holes, in particular in walls of buildings made of concrete, granite, sandstone or limestone, and method of manufacture thereof - Google Patents

Device for making holes, in particular in walls of buildings made of concrete, granite, sandstone or limestone, and method of manufacture thereof

Info

Publication number
FR1539956A
FR1539956A FR117757A FR117757A FR1539956A FR 1539956 A FR1539956 A FR 1539956A FR 117757 A FR117757 A FR 117757A FR 117757 A FR117757 A FR 117757A FR 1539956 A FR1539956 A FR 1539956A
Authority
FR
France
Prior art keywords
granite
sandstone
limestone
concrete
walls
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
FR117757A
Other languages
French (fr)
Inventor
Zsolt Gyorgy Berczes
Attila Berces
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
Priority claimed from CH1177566A external-priority patent/CH464048A/en
Application filed filed Critical
Priority to FR117757A priority Critical patent/FR1539956A/en
Application granted granted Critical
Publication of FR1539956A publication Critical patent/FR1539956A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/14—Drilling by use of heat, e.g. flame drilling
    • E21B7/146—Thermal lances
FR117757A 1966-08-13 1967-08-11 Device for making holes, in particular in walls of buildings made of concrete, granite, sandstone or limestone, and method of manufacture thereof Expired FR1539956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR117757A FR1539956A (en) 1966-08-13 1967-08-11 Device for making holes, in particular in walls of buildings made of concrete, granite, sandstone or limestone, and method of manufacture thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1177566A CH464048A (en) 1966-08-13 1966-08-13 Device for making holes, in particular in building walls formed from concrete, granite, sand or limestone, using the melting process and method for producing the device
CH145567A CH494099A (en) 1966-08-13 1967-01-31 Device for making holes, in particular in building walls made of concrete, granite, sandstone or limestone using the melting process
FR117757A FR1539956A (en) 1966-08-13 1967-08-11 Device for making holes, in particular in walls of buildings made of concrete, granite, sandstone or limestone, and method of manufacture thereof

Publications (1)

Publication Number Publication Date
FR1539956A true FR1539956A (en) 1968-09-20

Family

ID=27172988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR117757A Expired FR1539956A (en) 1966-08-13 1967-08-11 Device for making holes, in particular in walls of buildings made of concrete, granite, sandstone or limestone, and method of manufacture thereof

Country Status (1)

Country Link
FR (1) FR1539956A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397913A2 (en) * 1977-07-22 1979-02-16 Patworld Anstalt Exothermic cutting of materials with lance - in which an exothermic reaction takes place within the lance with oxygen
FR2543465A1 (en) * 1983-03-28 1984-10-05 Brower Jerome STRIP FORMING ELECTRODE AND OXYGEN SUPPLY CONDUIT FOR OXY CUTTING UNDERWATER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397913A2 (en) * 1977-07-22 1979-02-16 Patworld Anstalt Exothermic cutting of materials with lance - in which an exothermic reaction takes place within the lance with oxygen
FR2543465A1 (en) * 1983-03-28 1984-10-05 Brower Jerome STRIP FORMING ELECTRODE AND OXYGEN SUPPLY CONDUIT FOR OXY CUTTING UNDERWATER

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