FR393581A - Couronne perforatrice et son procédé de fabrication - Google Patents

Couronne perforatrice et son procédé de fabrication

Info

Publication number
FR393581A
FR393581A FR393581DA FR393581A FR 393581 A FR393581 A FR 393581A FR 393581D A FR393581D A FR 393581DA FR 393581 A FR393581 A FR 393581A
Authority
FR
France
Prior art keywords
perforating
crown
manufacturing process
manufacturing
perforating crown
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
Henri Poulain
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.)
HENRI POULAIN
Original Assignee
HENRI POULAIN
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 HENRI POULAIN filed Critical HENRI POULAIN
Application granted granted Critical
Publication of FR393581A publication Critical patent/FR393581A/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)
FR393581D 1908-08-21 1908-08-21 Couronne perforatrice et son procédé de fabrication Expired FR393581A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR393581T 1908-08-21

Publications (1)

Publication Number Publication Date
FR393581A true FR393581A (fr) 1908-12-28

Family

ID=1438872

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393581D Expired FR393581A (fr) 1908-08-21 1908-08-21 Couronne perforatrice et son procédé de fabrication

Country Status (1)

Country Link
FR (1) FR393581A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1023352B1 (fr) * 2016-01-29 2017-02-13 Diarotech S.A. Couronne miniere comprenant des segments impregnes de diamant obtenus par frittage a chaud

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1023352B1 (fr) * 2016-01-29 2017-02-13 Diarotech S.A. Couronne miniere comprenant des segments impregnes de diamant obtenus par frittage a chaud

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