FR2188040B1 - - Google Patents

Info

Publication number
FR2188040B1
FR2188040B1 FR7220814A FR7220814A FR2188040B1 FR 2188040 B1 FR2188040 B1 FR 2188040B1 FR 7220814 A FR7220814 A FR 7220814A FR 7220814 A FR7220814 A FR 7220814A FR 2188040 B1 FR2188040 B1 FR 2188040B1
Authority
FR
France
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
FR7220814A
Other languages
French (fr)
Other versions
FR2188040A1 (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.)
TARTAN IND S Inc
Original Assignee
TARTAN IND S Inc
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 TARTAN IND S Inc filed Critical TARTAN IND S Inc
Priority to FR7220814A priority Critical patent/FR2188040A1/fr
Publication of FR2188040A1 publication Critical patent/FR2188040A1/fr
Application granted granted Critical
Publication of FR2188040B1 publication Critical patent/FR2188040B1/fr
Granted 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable

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)
FR7220814A 1972-06-09 1972-06-09 Rotary drill bit - with readily replaceable cutter bits Granted FR2188040A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7220814A FR2188040A1 (en) 1972-06-09 1972-06-09 Rotary drill bit - with readily replaceable cutter bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7220814A FR2188040A1 (en) 1972-06-09 1972-06-09 Rotary drill bit - with readily replaceable cutter bits

Publications (2)

Publication Number Publication Date
FR2188040A1 FR2188040A1 (en) 1974-01-18
FR2188040B1 true FR2188040B1 (enExample) 1976-06-11

Family

ID=9099947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220814A Granted FR2188040A1 (en) 1972-06-09 1972-06-09 Rotary drill bit - with readily replaceable cutter bits

Country Status (1)

Country Link
FR (1) FR2188040A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO737497A0 (en) * 1997-06-16 1997-07-10 Sds Digger Tools Pty Ltd Drill bit with drive and retaining means located forwardly of hammer barrel
US12312868B2 (en) * 2018-11-26 2025-05-27 Ulterra Drilling Technologies, L.P. Drill bit for boring earth and other hard materials
CN113305325A (zh) * 2021-06-03 2021-08-27 山东劳动职业技术学院（山东劳动技师学院） 一种精密模具加工用数控机床

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645962A (en) * 1924-09-02 1927-10-18 William W Mills Drilling bit
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits
US3220497A (en) * 1963-08-26 1965-11-30 Christensen Diamond Prod Co Rotary drag bit
US3526049A (en) * 1969-06-17 1970-09-01 Irvin H Nichols Retainer pin for earth engaging member

Also Published As

Publication number Publication date
FR2188040A1 (en) 1974-01-18

Similar Documents

Publication Publication Date Title
JPS524574Y2 (enExample)
JPS5211106Y2 (enExample)
JPS5243219B2 (enExample)
CS151837B1 (enExample)
CS151866B1 (enExample)
CS152720B1 (enExample)
CS153307B1 (enExample)
CS153162B1 (enExample)
CS153158B1 (enExample)
CH570186A5 (enExample)
CH571825A5 (enExample)
CH563819A5 (enExample)
CH563830A5 (enExample)
CH563909A5 (enExample)
CH564362A5 (enExample)
CH565509A5 (enExample)
CH566945A5 (enExample)
CH566977A5 (enExample)
CH567496A5 (enExample)
CH567604A5 (enExample)
CH568871A5 (enExample)
CH569945A5 (enExample)
CH570068A5 (enExample)
CH570161A5 (enExample)
CH559911A5 (enExample)

Legal Events

Date Code Title Description
ST Notification of lapse