GB753608A - Improvements in or relating to percussion tool steels and method of manufacture thereof - Google Patents
Improvements in or relating to percussion tool steels and method of manufacture thereofInfo
- Publication number
- GB753608A GB753608A GB188954A GB188954A GB753608A GB 753608 A GB753608 A GB 753608A GB 188954 A GB188954 A GB 188954A GB 188954 A GB188954 A GB 188954A GB 753608 A GB753608 A GB 753608A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slots
- insert
- drill
- arms
- relating
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000009527 percussion Methods 0.000 title 1
- 238000005219 brazing Methods 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 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
- E21B10/58—Chisel-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
753,608. Percussive tools. RAWLPLUG CO., Ltd. Jan. 10. 1955 [Jan. 21, 1954], No. 1889/54. Class 124 A percussive drill steel comprises a metal body and a cutting insert and has the insert made in one piece with three radially extending arms, the insert being located in slots formed at the cutting end of the body which forms the apex of a three sided pyramid. As shown, the drill body 1 has grooves 2 and slots 3 formed at the cutting end. A cutting insert 5, e.g. of tungsten carbide. made in one piece and having three arms disposed at 120 degrees is fixed in the slots by brazing. The slots may be diametral and the unused portion 6 filled by brazing in metal parts 7. The drill may be sharpened by flat grinding of the adjacent faces of two arms at a time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB188954A GB753608A (en) | 1954-01-21 | 1954-01-21 | Improvements in or relating to percussion tool steels and method of manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB188954A GB753608A (en) | 1954-01-21 | 1954-01-21 | Improvements in or relating to percussion tool steels and method of manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB753608A true GB753608A (en) | 1956-07-25 |
Family
ID=9729833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB188954A Expired GB753608A (en) | 1954-01-21 | 1954-01-21 | Improvements in or relating to percussion tool steels and method of manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB753608A (en) |
-
1954
- 1954-01-21 GB GB188954A patent/GB753608A/en not_active Expired
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