FR322874A - An enlarger device for surveys - Google Patents

An enlarger device for surveys

Info

Publication number
FR322874A
FR322874A FR322874A FR322874DA FR322874A FR 322874 A FR322874 A FR 322874A FR 322874 A FR322874 A FR 322874A FR 322874D A FR322874D A FR 322874DA FR 322874 A FR322874 A FR 322874A
Authority
FR
France
Prior art keywords
surveys
enlarger device
enlarger
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
FR322874A
Other languages
French (fr)
Inventor
Cousin F.
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.)
COUSIN F
Original Assignee
COUSIN F
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 COUSIN F filed Critical COUSIN F
Application granted granted Critical
Publication of FR322874A publication Critical patent/FR322874A/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)
FR322874A 1902-07-08 1902-07-08 An enlarger device for surveys Expired FR322874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR322874T 1902-07-08

Publications (1)

Publication Number Publication Date
FR322874A true FR322874A (en) 1903-02-17

Family

ID=1373201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR322874A Expired FR322874A (en) 1902-07-08 1902-07-08 An enlarger device for surveys

Country Status (1)

Country Link
FR (1) FR322874A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380544A (en) * 1966-05-27 1968-04-30 George S. Grubb Wellhole notcher
US4444279A (en) * 1979-07-14 1984-04-24 Hilti Aktiengesellschaft Drilling tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380544A (en) * 1966-05-27 1968-04-30 George S. Grubb Wellhole notcher
US4444279A (en) * 1979-07-14 1984-04-24 Hilti Aktiengesellschaft Drilling tool

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