GB707171A - Improvements in rotary drilling crowns - Google Patents
Improvements in rotary drilling crownsInfo
- Publication number
- GB707171A GB707171A GB19359/51A GB1935951A GB707171A GB 707171 A GB707171 A GB 707171A GB 19359/51 A GB19359/51 A GB 19359/51A GB 1935951 A GB1935951 A GB 1935951A GB 707171 A GB707171 A GB 707171A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crown
- rotary drilling
- diamonds
- coring
- drilling crowns
- 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
- 238000005553 drilling Methods 0.000 title abstract 2
- 239000010432 diamond Substances 0.000 abstract 3
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract 1
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
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)
Abstract
707,171. Diamond tools. BOART PRODUCTS, SOUTH AFRICA, Ltd. Aug. 16, 1951 [Sept. 15, 1950], No. 19359/51. Class 124 In a rotary drilling coring or non-coring crown in which diamonds project from the surfaces of the crown, the areas of the surface between the diamonds at the cutting face, and possibly also the circumferential wall, are provided with a hard wear-resisting skin of tungsten carbide or other hard metal bonded to the matrix of the crown.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA707171X | 1950-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB707171A true GB707171A (en) | 1954-04-14 |
Family
ID=25562883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19359/51A Expired GB707171A (en) | 1950-09-15 | 1951-08-16 | Improvements in rotary drilling crowns |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB707171A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461983A (en) * | 1967-06-28 | 1969-08-19 | Dresser Ind | Cutting tool having hard insert in hole surrounded by hard facing |
-
1951
- 1951-08-16 GB GB19359/51A patent/GB707171A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461983A (en) * | 1967-06-28 | 1969-08-19 | Dresser Ind | Cutting tool having hard insert in hole surrounded by hard facing |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE8701239D0 (en) | ROTARY DRILL BIT | |
GB1042711A (en) | ||
GB1463137A (en) | Rock cutting tip inserts application | |
GB1456734A (en) | Striking tool | |
GB949913A (en) | Improvements in or relating to diamond scribers | |
GB900099A (en) | Improvements in or relating to boring crowns | |
GB1105058A (en) | Improvements in or relating to rotatable drilling tools | |
GB1419624A (en) | Drills for use in drilling and the like operations | |
GB707171A (en) | Improvements in rotary drilling crowns | |
GB593622A (en) | Improvements in or relating to drill bits, cutting tools and the like | |
GB634743A (en) | Improvements in and relating to drills | |
GB686372A (en) | Improvements in or relating to a device for drilling rocks, stone and the like | |
GB694925A (en) | Improvements in rotary drilling crowns | |
GB1239074A (en) | ||
GB567630A (en) | Improvements relating to drills | |
GB898004A (en) | Drill bits | |
GB423647A (en) | Improvements in stone boring tools, rock drills, and the like | |
GB705020A (en) | Improvements relating to rotary bits for wet drilling coal and other hard substances | |
GB807190A (en) | Rotary cutter for drilling earth and rock | |
AU114025B2 (en) | Improvements relating to cutting tools having tips or inserts of tungsten carbide or like hard materials | |
GB607662A (en) | Improvements relating to stone cutters | |
USD152171S (en) | Traffic signal or similar article | |
SU361281A1 (en) | CUTTING TOOL | |
GB692749A (en) | Dental tool | |
GB571043A (en) | Improvements in or relating to work plates for centreless grinding machines |