[go: up one dir, main page]

FR1013033A - Device for digging a bloom at the base of an excavation - Google Patents

Device for digging a bloom at the base of an excavation

Info

Publication number
FR1013033A
FR1013033A FR1013033DA FR1013033A FR 1013033 A FR1013033 A FR 1013033A FR 1013033D A FR1013033D A FR 1013033DA FR 1013033 A FR1013033 A FR 1013033A
Authority
FR
France
Prior art keywords
bloom
digging
excavation
base
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
Jacques Des Forts
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.)
CIE D ENTPR S ELECTR
Original Assignee
CIE D ENTPR S ELECTR
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 CIE D ENTPR S ELECTR filed Critical CIE D ENTPR S ELECTR
Application granted granted Critical
Publication of FR1013033A publication Critical patent/FR1013033A/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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR1013033D 1950-02-20 1950-02-20 Device for digging a bloom at the base of an excavation Expired FR1013033A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1013033T 1950-02-20

Publications (1)

Publication Number Publication Date
FR1013033A true FR1013033A (en) 1952-07-22

Family

ID=9571326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1013033D Expired FR1013033A (en) 1950-02-20 1950-02-20 Device for digging a bloom at the base of an excavation

Country Status (1)

Country Link
FR (1) FR1013033A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484454B1 (en) * 1959-07-17 1969-09-04 Economic Foundations Limited EARTH DRILLS FOR UNDERCUTTING DRILL HOLES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1484454B1 (en) * 1959-07-17 1969-09-04 Economic Foundations Limited EARTH DRILLS FOR UNDERCUTTING DRILL HOLES

Similar Documents

Publication Publication Date Title
FR1012163A (en) Recording device for electronic calculating machines
FR1084406A (en) Anchor device for bolt
FR1078577A (en) Adjustable attachment device for ties
FR1013033A (en) Device for digging a bloom at the base of an excavation
FR1056055A (en) Device for electronically projecting the image of a photoelectric cathode
FR1080959A (en) Electron discharge device
FR1020571A (en) Device for controlling the regular path of objects in a machine
FR1046439A (en) Lighting device for sewing machines
FR1036960A (en) Device for masking the opening of the well of a suction dredger
FR1026501A (en) Device for regulating the operation of a boiler
FR1017359A (en) Device for adjusting a plow
FR1072530A (en) Bucket loader for digging and similar work
FR1005067A (en) Improved nacelle for navigation devices with floats and devices provided with such a nacelle
FR1029390A (en) Clutch device for planetary winches
FR1059705A (en) Device for overturning the blades of a fan
FR948326A (en) Hormone-based Brillantine
FR1028278A (en) Shutter device for metal drums
FR1051184A (en) Improvement to a device for the hydraulic transmission of a force
FR1063430A (en) Device for lifting the boom of a mobile crane
CH282837A (en) Device for damping the vibrations of a piston.
FR1033173A (en) Ignition device for flashlights
FR951219A (en) Display device for cathode beam oscilloscopes
FR1026607A (en) Assembly device for mechanical parts
FR60711E (en) Device for filling a cavity
FR981357A (en) Opening bottom bucket device