FR375700A - Nouvelle tete de perforatrice applicable au travail des roches dures - Google Patents

Nouvelle tete de perforatrice applicable au travail des roches dures

Info

Publication number
FR375700A
FR375700A FR375700DA FR375700A FR 375700 A FR375700 A FR 375700A FR 375700D A FR375700D A FR 375700DA FR 375700 A FR375700 A FR 375700A
Authority
FR
France
Prior art keywords
hard rock
punch head
hole punch
new hole
head applicable
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
English (en)
Inventor
Adolphe-Aristide Picard
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.)
ADOLPHE ARISTIDE PICARD
Original Assignee
ADOLPHE ARISTIDE PICARD
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 ADOLPHE ARISTIDE PICARD filed Critical ADOLPHE ARISTIDE PICARD
Application granted granted Critical
Publication of FR375700A publication Critical patent/FR375700A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR375700D 1907-03-14 1907-03-14 Nouvelle tete de perforatrice applicable au travail des roches dures Expired FR375700A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR375700T 1907-03-14

Publications (1)

Publication Number Publication Date
FR375700A true FR375700A (fr) 1907-07-18

Family

ID=1422245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR375700D Expired FR375700A (fr) 1907-03-14 1907-03-14 Nouvelle tete de perforatrice applicable au travail des roches dures

Country Status (1)

Country Link
FR (1) FR375700A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821307A1 (de) * 1977-05-17 1978-11-30 Shell Int Research Bohrkrone fuer tiefbohrarbeiten und verfahren zu ihrer herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821307A1 (de) * 1977-05-17 1978-11-30 Shell Int Research Bohrkrone fuer tiefbohrarbeiten und verfahren zu ihrer herstellung

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