FR498587A - Automatic drilling torpedo, electrically or otherwise, for underground work and others - Google Patents

Automatic drilling torpedo, electrically or otherwise, for underground work and others

Info

Publication number
FR498587A
FR498587A FR498587DA FR498587A FR 498587 A FR498587 A FR 498587A FR 498587D A FR498587D A FR 498587DA FR 498587 A FR498587 A FR 498587A
Authority
FR
France
Prior art keywords
torpedo
electrically
automatic drilling
underground work
underground
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
Cesare Cantoni
Aldo Fiorentino
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.)
CESARE CANTONI
Original Assignee
CESARE CANTONI
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 CESARE CANTONI filed Critical CESARE CANTONI
Application granted granted Critical
Publication of FR498587A publication Critical patent/FR498587A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B23/00—Land mines ; Land torpedoes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR498587D 1915-05-05 1916-05-04 Automatic drilling torpedo, electrically or otherwise, for underground work and others Expired FR498587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT498587X 1915-05-05

Publications (1)

Publication Number Publication Date
FR498587A true FR498587A (en) 1920-01-15

Family

ID=1533776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR498587D Expired FR498587A (en) 1915-05-05 1916-05-04 Automatic drilling torpedo, electrically or otherwise, for underground work and others

Country Status (1)

Country Link
FR (1) FR498587A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098452B (en) * 1957-01-08 1961-01-26 Andreas Stihl Rotary drills for cohesive soils, such as clay, loam, etc., and shallow holes and drill hole diameters up to about 100 mm
DE1193081B (en) * 1963-02-14 1965-05-20 Frank Arnold Nix Dipl Ing Device for driving up a tunnel with a circular cross-section or the like.
DE1288513B (en) * 1962-07-09 1969-01-30 Weinmann Franz Josef Device for carrying through earth and rock masses
US4734067A (en) * 1986-09-16 1988-03-29 Elias Reyes Francisco Hydro-rotor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098452B (en) * 1957-01-08 1961-01-26 Andreas Stihl Rotary drills for cohesive soils, such as clay, loam, etc., and shallow holes and drill hole diameters up to about 100 mm
DE1288513B (en) * 1962-07-09 1969-01-30 Weinmann Franz Josef Device for carrying through earth and rock masses
DE1193081B (en) * 1963-02-14 1965-05-20 Frank Arnold Nix Dipl Ing Device for driving up a tunnel with a circular cross-section or the like.
US4734067A (en) * 1986-09-16 1988-03-29 Elias Reyes Francisco Hydro-rotor

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