FR1153104A - Process and installation for the clearing of masses of earth and the drilling of mine shafts in particular for the extraction of underground minerals - Google Patents

Process and installation for the clearing of masses of earth and the drilling of mine shafts in particular for the extraction of underground minerals

Info

Publication number
FR1153104A
FR1153104A FR1153104DA FR1153104A FR 1153104 A FR1153104 A FR 1153104A FR 1153104D A FR1153104D A FR 1153104DA FR 1153104 A FR1153104 A FR 1153104A
Authority
FR
France
Prior art keywords
masses
clearing
drilling
earth
extraction
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
Karl Wildi
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 FR1153104A publication Critical patent/FR1153104A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid
FR1153104D 1955-03-26 1956-03-26 Process and installation for the clearing of masses of earth and the drilling of mine shafts in particular for the extraction of underground minerals Expired FR1153104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1153104X 1955-03-26

Publications (1)

Publication Number Publication Date
FR1153104A true FR1153104A (en) 1958-03-03

Family

ID=4560273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153104D Expired FR1153104A (en) 1955-03-26 1956-03-26 Process and installation for the clearing of masses of earth and the drilling of mine shafts in particular for the extraction of underground minerals

Country Status (1)

Country Link
FR (1) FR1153104A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324861A1 (en) * 1975-09-19 1977-04-15 Atlas Copco Ab METHOD AND APPARATUS FOR BREAKING A HARD COMPACT MATERIAL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324861A1 (en) * 1975-09-19 1977-04-15 Atlas Copco Ab METHOD AND APPARATUS FOR BREAKING A HARD COMPACT MATERIAL

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