GB1120388A - An extension rod for a percussion drill - Google Patents
An extension rod for a percussion drillInfo
- Publication number
- GB1120388A GB1120388A GB3061866A GB3061866A GB1120388A GB 1120388 A GB1120388 A GB 1120388A GB 3061866 A GB3061866 A GB 3061866A GB 3061866 A GB3061866 A GB 3061866A GB 1120388 A GB1120388 A GB 1120388A
- Authority
- GB
- United Kingdom
- Prior art keywords
- extension rod
- rod
- percussion drill
- thread
- july
- 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
- 238000009527 percussion 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
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)
- Percussive Tools And Related Accessories (AREA)
Abstract
1,120,388. Percussive drills. SANDVIKENS JERNVERKS A.B. 7 July, 1966 [8 July, 1965], No. 30618/66. Heading B4C. An extension rod 10 for a percussive drill comprises, at one end, a sleeve portion 13 formed with an internal thread 14 and an abutment surface 16, the rod being provided at its other end, with a thread 15 (Fig. 2). The threads may be formed with two or more starts and have rounded flanks as shown or angled flanks such as a buttress thread. Flats 12 may be formed on the rod so that two or more rods can be screwed together.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE900965 | 1965-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1120388A true GB1120388A (en) | 1968-07-17 |
Family
ID=20275593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3061866A Expired GB1120388A (en) | 1965-07-08 | 1966-07-07 | An extension rod for a percussion drill |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT269777B (en) |
BE (1) | BE683860A (en) |
CH (1) | CH492116A (en) |
DE (1) | DE1483863A1 (en) |
DK (1) | DK113561B (en) |
GB (1) | GB1120388A (en) |
NL (1) | NL6609441A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2050922A3 (en) * | 2007-10-16 | 2017-03-08 | Foxley Ventures LLC | Thread for roto-percussion drill pipe |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3730286A (en) * | 1972-06-29 | 1973-05-01 | Exxon Production Research Co | Apparatus for improving rotary drilling operations |
CA1029365A (en) * | 1975-03-03 | 1978-04-11 | Lloyd B. Hansen | Method and apparatus for roof drilling |
GB9512250D0 (en) * | 1995-06-16 | 1995-08-16 | Boart Longyear Ltd | A drill string |
DE29614490U1 (en) * | 1996-08-21 | 1996-11-21 | Röhrenwerk Kupferdreh Carl Hamm GmbH, 45257 Essen | Probing device, especially for the investigation of soil and contaminated sites |
-
1966
- 1966-07-06 NL NL6609441A patent/NL6609441A/xx unknown
- 1966-07-07 GB GB3061866A patent/GB1120388A/en not_active Expired
- 1966-07-07 CH CH987566A patent/CH492116A/en not_active IP Right Cessation
- 1966-07-07 DE DE19661483863 patent/DE1483863A1/en active Pending
- 1966-07-07 DK DK352666A patent/DK113561B/en unknown
- 1966-07-08 BE BE683860D patent/BE683860A/xx unknown
- 1966-07-08 AT AT656266A patent/AT269777B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2050922A3 (en) * | 2007-10-16 | 2017-03-08 | Foxley Ventures LLC | Thread for roto-percussion drill pipe |
Also Published As
Publication number | Publication date |
---|---|
BE683860A (en) | 1966-12-16 |
CH492116A (en) | 1970-06-15 |
AT269777B (en) | 1969-04-10 |
DE1483863A1 (en) | 1970-03-05 |
NL6609441A (en) | 1967-01-09 |
DK113561B (en) | 1969-04-08 |
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