FR1238773A - Dispositif élargisseur de la base d'un forage pour fondations - Google Patents

Dispositif élargisseur de la base d'un forage pour fondations

Info

Publication number
FR1238773A
FR1238773A FR798070A FR798070A FR1238773A FR 1238773 A FR1238773 A FR 1238773A FR 798070 A FR798070 A FR 798070A FR 798070 A FR798070 A FR 798070A FR 1238773 A FR1238773 A FR 1238773A
Authority
FR
France
Prior art keywords
broadening
base
foundation borehole
borehole
foundation
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
FR798070A
Other languages
English (en)
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.)
FR DE CONST DE BENNES AUTOMATI
Original Assignee
FR DE CONST DE BENNES AUTOMATI
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 FR DE CONST DE BENNES AUTOMATI filed Critical FR DE CONST DE BENNES AUTOMATI
Priority to FR798070A priority Critical patent/FR1238773A/fr
Priority to GB21581/60A priority patent/GB925421A/en
Application granted granted Critical
Publication of FR1238773A publication Critical patent/FR1238773A/fr
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
    • E21B10/322—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 cutter shifted by fluid pressure

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)
  • Earth Drilling (AREA)
FR798070A 1959-06-19 1959-06-19 Dispositif élargisseur de la base d'un forage pour fondations Expired FR1238773A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR798070A FR1238773A (fr) 1959-06-19 1959-06-19 Dispositif élargisseur de la base d'un forage pour fondations
GB21581/60A GB925421A (en) 1959-06-19 1960-06-20 A widening or enlarging device for a boring machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798070A FR1238773A (fr) 1959-06-19 1959-06-19 Dispositif élargisseur de la base d'un forage pour fondations

Publications (1)

Publication Number Publication Date
FR1238773A true FR1238773A (fr) 1960-08-19

Family

ID=8716270

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798070A Expired FR1238773A (fr) 1959-06-19 1959-06-19 Dispositif élargisseur de la base d'un forage pour fondations

Country Status (2)

Country Link
FR (1) FR1238773A (fr)
GB (1) GB925421A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164964A (en) * 1962-04-12 1965-01-12 Richard V Josephson Belling tool for bore holes
US3184924A (en) * 1961-05-31 1965-05-25 Staunau Heinz Method of forming concrete pile in situ
US4547106A (en) * 1983-03-15 1985-10-15 Yitshaq Lipsker Ground anchors
US4770256A (en) * 1982-06-16 1988-09-13 Yitshaq Lipsker Soil drilling
US5908268A (en) * 1988-12-29 1999-06-01 Takechi Engineering Co., Ltd. Method of making a hole for a foundation pile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101982614A (zh) * 2010-10-11 2011-03-02 昆明捷程桩工有限责任公司 全套管钻机凿取岩石成桩的方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3184924A (en) * 1961-05-31 1965-05-25 Staunau Heinz Method of forming concrete pile in situ
US3164964A (en) * 1962-04-12 1965-01-12 Richard V Josephson Belling tool for bore holes
US4770256A (en) * 1982-06-16 1988-09-13 Yitshaq Lipsker Soil drilling
US4547106A (en) * 1983-03-15 1985-10-15 Yitshaq Lipsker Ground anchors
US5908268A (en) * 1988-12-29 1999-06-01 Takechi Engineering Co., Ltd. Method of making a hole for a foundation pile

Also Published As

Publication number Publication date
GB925421A (en) 1963-05-08

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