FR707725A - Improvements to the means for the execution of boreholes for enlarged base seals - Google Patents

Improvements to the means for the execution of boreholes for enlarged base seals

Info

Publication number
FR707725A
FR707725A FR707725DA FR707725A FR 707725 A FR707725 A FR 707725A FR 707725D A FR707725D A FR 707725DA FR 707725 A FR707725 A FR 707725A
Authority
FR
France
Prior art keywords
boreholes
execution
enlarged base
base seals
seals
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
Albay Jacques Tournadour D
Robert Defaye
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 FR707725A publication Critical patent/FR707725A/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)
FR707725D 1930-03-18 1930-03-18 Improvements to the means for the execution of boreholes for enlarged base seals Expired FR707725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707725T 1930-03-18

Publications (1)

Publication Number Publication Date
FR707725A true FR707725A (en) 1931-07-11

Family

ID=9068500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707725D Expired FR707725A (en) 1930-03-18 1930-03-18 Improvements to the means for the execution of boreholes for enlarged base seals

Country Status (1)

Country Link
FR (1) FR707725A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065284A1 (en) * 1981-05-16 1982-11-24 Norton Company Reamer
DE10213610A1 (en) * 2002-03-27 2003-10-09 Leonhard Weiss Gmbh & Co Kg Rotating cutting tool for cutting grooves in cylindrical recesses comprises cutting chisels uniformly distributed along the periphery of a circle and adjusted radially relative to an axis of rotation
CN109702248A (en) * 2019-03-04 2019-05-03 李吴军 A kind of reaming bit of workpiece blind hole

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0065284A1 (en) * 1981-05-16 1982-11-24 Norton Company Reamer
DE10213610A1 (en) * 2002-03-27 2003-10-09 Leonhard Weiss Gmbh & Co Kg Rotating cutting tool for cutting grooves in cylindrical recesses comprises cutting chisels uniformly distributed along the periphery of a circle and adjusted radially relative to an axis of rotation
CN109702248A (en) * 2019-03-04 2019-05-03 李吴军 A kind of reaming bit of workpiece blind hole

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