IE33960L - Roller cutter drill bit. - Google Patents
Roller cutter drill bit.Info
- Publication number
- IE33960L IE33960L IE11270A IE11270A IE33960L IE 33960 L IE33960 L IE 33960L IE 11270 A IE11270 A IE 11270A IE 11270 A IE11270 A IE 11270A IE 33960 L IE33960 L IE 33960L
- Authority
- IE
- Ireland
- Prior art keywords
- shaft
- legs
- drill bit
- roller cutter
- cutter drill
- Prior art date
Links
- 239000000314 lubricant Substances 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
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)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
1282226 Boring earth &c G W MURPHY INDUSTRIES Inc 26 Jan 1970 [28 March 1969] 3705/70 Heading E1F A drill head has roller cutters 40 each rotatable between legs 20, 22 on bearings 44, 46, 48, 50 carried by a hollow shaft 42 having an eccentric bore 76 and arranged so that the minimum shaft thickness is at the side of the shaft remote from the surface being cut. The shaft has shoulders 56, 58 engaging shoulders 36, 38 on the legs, and the bore is engaged by bushes 52, 54 held in the legs by a bolt 72. Lubricant is supplied to the bearings through fitting 88, duct 90 in the bolt, and a slot and grooves in a sleeve 82.
[GB1282226A]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81134169A | 1969-03-28 | 1969-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
IE33960L true IE33960L (en) | 1970-09-28 |
IE33960B1 IE33960B1 (en) | 1974-12-30 |
Family
ID=25206289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE11270A IE33960B1 (en) | 1969-03-28 | 1970-01-28 | Roller cutter drill bit |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5017001B1 (en) |
AU (1) | AU1090970A (en) |
CA (1) | CA923114A (en) |
CH (1) | CH541712A (en) |
DE (1) | DE2007636A1 (en) |
GB (1) | GB1282226A (en) |
IE (1) | IE33960B1 (en) |
SE (1) | SE361189B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE506806C2 (en) * | 1995-02-14 | 1998-02-16 | Sandvik Ab | Cutting roller for a drill head and method of loading lubricant into a cutting roller |
WO2024131687A1 (en) * | 2022-12-22 | 2024-06-27 | 中国石油化工股份有限公司 | Pdc-roller hybrid drill bit |
-
1970
- 1970-01-26 GB GB370570A patent/GB1282226A/en not_active Expired
- 1970-01-27 CA CA073245A patent/CA923114A/en not_active Expired
- 1970-01-28 IE IE11270A patent/IE33960B1/en unknown
- 1970-02-02 AU AU10909/70A patent/AU1090970A/en not_active Expired
- 1970-02-11 CH CH197570A patent/CH541712A/en not_active IP Right Cessation
- 1970-02-19 DE DE19702007636 patent/DE2007636A1/en active Pending
- 1970-03-26 SE SE426370A patent/SE361189B/xx unknown
- 1970-03-28 JP JP2584370A patent/JPS5017001B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1282226A (en) | 1972-07-19 |
CA923114A (en) | 1973-03-20 |
CH541712A (en) | 1973-09-15 |
IE33960B1 (en) | 1974-12-30 |
AU1090970A (en) | 1971-08-05 |
JPS5017001B1 (en) | 1975-06-18 |
DE2007636A1 (en) | 1970-10-08 |
SE361189B (en) | 1973-10-22 |
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