SE410885B - Bergborrkrona och forfarande for att tillverka denna borrkrona - Google Patents
Bergborrkrona och forfarande for att tillverka denna borrkronaInfo
- Publication number
- SE410885B SE410885B SE7413331A SE7413331A SE410885B SE 410885 B SE410885 B SE 410885B SE 7413331 A SE7413331 A SE 7413331A SE 7413331 A SE7413331 A SE 7413331A SE 410885 B SE410885 B SE 410885B
- Authority
- SE
- Sweden
- Prior art keywords
- drill crown
- procedure
- manufacture
- mountain
- crown
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40920773A | 1973-10-24 | 1973-10-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7413331L SE7413331L (xx) | 1975-04-25 |
SE410885B true SE410885B (sv) | 1979-11-12 |
Family
ID=23619494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7413331A SE410885B (sv) | 1973-10-24 | 1974-10-23 | Bergborrkrona och forfarande for att tillverka denna borrkrona |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5938395B2 (xx) |
AR (1) | AR209075A1 (xx) |
CA (1) | CA1048488A (xx) |
DE (1) | DE2449024C2 (xx) |
FR (1) | FR2249236B1 (xx) |
GB (1) | GB1469260A (xx) |
IT (1) | IT1023084B (xx) |
NL (1) | NL7413279A (xx) |
NO (1) | NO143764C (xx) |
SE (1) | SE410885B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414734A (en) * | 1981-11-30 | 1983-11-15 | Hughes Tool Company | Triad for rock bit assembly |
CN111673319B (zh) * | 2020-05-22 | 2021-12-10 | 济南法瑞钠焊接器材股份有限公司 | 一种水钻钻头合金钢高频焊接器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2831661A (en) * | 1953-08-26 | 1958-04-22 | Security Rock Bits Ltd | Rock drilling bits |
-
1974
- 1974-09-25 CA CA74210044A patent/CA1048488A/en not_active Expired
- 1974-10-08 GB GB4353974A patent/GB1469260A/en not_active Expired
- 1974-10-09 NL NL7413279A patent/NL7413279A/xx active Search and Examination
- 1974-10-10 AR AR256029A patent/AR209075A1/es active
- 1974-10-11 DE DE2449024A patent/DE2449024C2/de not_active Expired
- 1974-10-22 FR FR7435403A patent/FR2249236B1/fr not_active Expired
- 1974-10-22 IT IT53667/74A patent/IT1023084B/it active
- 1974-10-23 SE SE7413331A patent/SE410885B/xx unknown
- 1974-10-23 NO NO743809A patent/NO143764C/no unknown
- 1974-10-24 JP JP49122965A patent/JPS5938395B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU7395774A (en) | 1976-04-08 |
JPS5073801A (xx) | 1975-06-18 |
FR2249236B1 (xx) | 1982-08-27 |
AR209075A1 (es) | 1977-03-31 |
NO143764C (no) | 1981-04-08 |
FR2249236A1 (xx) | 1975-05-23 |
NO743809L (xx) | 1975-05-20 |
DE2449024A1 (de) | 1975-05-07 |
JPS5938395B2 (ja) | 1984-09-17 |
NO143764B (no) | 1980-12-29 |
GB1469260A (en) | 1977-04-06 |
CA1048488A (en) | 1979-02-13 |
NL7413279A (nl) | 1975-04-28 |
SE7413331L (xx) | 1975-04-25 |
DE2449024C2 (de) | 1984-06-28 |
IT1023084B (it) | 1978-05-10 |
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