GB956703A - Improvements in hole boring tools - Google Patents
Improvements in hole boring toolsInfo
- Publication number
- GB956703A GB956703A GB4018559A GB4018559A GB956703A GB 956703 A GB956703 A GB 956703A GB 4018559 A GB4018559 A GB 4018559A GB 4018559 A GB4018559 A GB 4018559A GB 956703 A GB956703 A GB 956703A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tip
- insert
- flutes
- hole boring
- boring tools
- 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
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
- E21B10/36—Percussion drill bits
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)
- Drilling Tools (AREA)
Abstract
956,703. Percussive drills. B.S.A. GUNS Ltd. Feb. 24, 1961 [Nov. 26, 1959], No. 40185/59. Heading B4C. In a drill comprising a stem 1, flutes 1b in the stem forming diametrically opposite arcuate sides extending from the root 1a to tip end 1c, a tip which is V-shaped from arcuate side-to-side and sloping outwardly to the flutes, and an insert 4, the insert projects beyond the sides and forwardly of the tip. The insert, which is brazed in the tip, is of hard material and has a V-shaped transverse crosssection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4018559A GB956703A (en) | 1959-11-26 | 1959-11-26 | Improvements in hole boring tools |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4018559A GB956703A (en) | 1959-11-26 | 1959-11-26 | Improvements in hole boring tools |
Publications (1)
Publication Number | Publication Date |
---|---|
GB956703A true GB956703A (en) | 1964-04-29 |
Family
ID=10413627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4018559A Expired GB956703A (en) | 1959-11-26 | 1959-11-26 | Improvements in hole boring tools |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB956703A (en) |
-
1959
- 1959-11-26 GB GB4018559A patent/GB956703A/en not_active Expired
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