FR434462A - Punch for mines, quarries and the like - Google Patents

Punch for mines, quarries and the like

Info

Publication number
FR434462A
FR434462A FR434462A FR434462DA FR434462A FR 434462 A FR434462 A FR 434462A FR 434462 A FR434462 A FR 434462A FR 434462D A FR434462D A FR 434462DA FR 434462 A FR434462 A FR 434462A
Authority
FR
France
Prior art keywords
quarries
mines
punch
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
FR434462A
Other languages
French (fr)
Inventor
Edmond-Victor Jeanmaire
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.)
EDMOND VICTOR JEANMAIRE
Original Assignee
EDMOND VICTOR JEANMAIRE
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 EDMOND VICTOR JEANMAIRE filed Critical EDMOND VICTOR JEANMAIRE
Application granted granted Critical
Publication of FR434462A publication Critical patent/FR434462A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
FR434462A 1911-09-20 1911-09-20 Punch for mines, quarries and the like Expired FR434462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR434462T 1911-09-20

Publications (1)

Publication Number Publication Date
FR434462A true FR434462A (en) 1912-02-03

Family

ID=1476363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR434462A Expired FR434462A (en) 1911-09-20 1911-09-20 Punch for mines, quarries and the like

Country Status (1)

Country Link
FR (1) FR434462A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495216A1 (en) * 1980-12-01 1982-06-04 Christensen Inc TREPAN OF DRILLING

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495216A1 (en) * 1980-12-01 1982-06-04 Christensen Inc TREPAN OF DRILLING

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