FR393581A - Couronne perforatrice et son procédé de fabrication - Google Patents
Couronne perforatrice et son procédé de fabricationInfo
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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)
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)
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 |
-
1908
- 1908-08-21 FR FR393581D patent/FR393581A/fr not_active Expired
Cited By (1)
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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