IT962730B - DRILL WITH REVOLVING KNIVES - Google Patents
DRILL WITH REVOLVING KNIVESInfo
- Publication number
- IT962730B IT962730B IT26881/72A IT2688172A IT962730B IT 962730 B IT962730 B IT 962730B IT 26881/72 A IT26881/72 A IT 26881/72A IT 2688172 A IT2688172 A IT 2688172A IT 962730 B IT962730 B IT 962730B
- Authority
- IT
- Italy
- Prior art keywords
- drill
- revolving knives
- knives
- revolving
- Prior art date
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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
-
- 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
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US161453A US3905432A (en) | 1971-07-12 | 1971-07-12 | Auger with rotatable cutters |
Publications (1)
Publication Number | Publication Date |
---|---|
IT962730B true IT962730B (en) | 1973-12-31 |
Family
ID=22581231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26881/72A IT962730B (en) | 1971-07-12 | 1972-07-12 | DRILL WITH REVOLVING KNIVES |
Country Status (7)
Country | Link |
---|---|
US (1) | US3905432A (en) |
AU (1) | AU476723B2 (en) |
CA (1) | CA1002512A (en) |
FR (1) | FR2151834A5 (en) |
GB (1) | GB1399633A (en) |
IT (1) | IT962730B (en) |
ZA (1) | ZA722999B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3998283A (en) * | 1975-12-15 | 1976-12-21 | Reed Tool Company | Earth boring auger |
US3998282A (en) * | 1975-12-15 | 1976-12-21 | Reed Tool Company | Earth boring auger |
ES8102625A1 (en) * | 1980-02-25 | 1980-12-01 | Pellicer Carlos F | Auger for boring stony ground - has spaced teeth on pointed base to commence bore before helical part is operating |
DE10158603C1 (en) * | 2001-11-29 | 2003-06-05 | Man Takraf Foerdertechnik Gmbh | Mini Diskmeissel |
US8418784B2 (en) * | 2010-05-11 | 2013-04-16 | David R. Hall | Central cutting region of a drilling head assembly |
US10415383B2 (en) * | 2015-06-22 | 2019-09-17 | Sandvik Intellectual Property Ab | Cutter assembly with rolling elements and method of disassembling |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US893950A (en) * | 1908-03-17 | 1908-07-21 | William H C Jaques | Mining-tool. |
US1747908A (en) * | 1923-08-11 | 1930-02-18 | Universal Rotary Bit Company | Rotary drill bit |
US2085336A (en) * | 1932-12-21 | 1937-06-29 | Harvey D Sandstone | Rotary excavator |
US2184108A (en) * | 1935-12-20 | 1939-12-19 | Swan M Akeyson | Reamer |
US3024856A (en) * | 1957-11-25 | 1962-03-13 | Frederick E Henning | Rock and earth-drilling auger with interchangeable cutting inserts |
US3043383A (en) * | 1959-05-28 | 1962-07-10 | Trainer Associates Inc | Ground-drilling auger |
US3094179A (en) * | 1960-02-11 | 1963-06-18 | Lines Raydon Ayers | Device for dry boring soil or the like |
US3092190A (en) * | 1960-04-04 | 1963-06-04 | Gruere Charles | Large diameter earth drill |
US3172489A (en) * | 1963-11-20 | 1965-03-09 | Hughes Tool Co | Earth boring drill with cutting remover |
-
1971
- 1971-07-12 US US161453A patent/US3905432A/en not_active Expired - Lifetime
-
1972
- 1972-04-26 CA CA140,620A patent/CA1002512A/en not_active Expired
- 1972-05-03 ZA ZA722999A patent/ZA722999B/en unknown
- 1972-05-05 AU AU41982/72A patent/AU476723B2/en not_active Expired
- 1972-06-28 FR FR7224189A patent/FR2151834A5/fr not_active Expired
- 1972-07-11 GB GB3236872A patent/GB1399633A/en not_active Expired
- 1972-07-12 IT IT26881/72A patent/IT962730B/en active
Also Published As
Publication number | Publication date |
---|---|
GB1399633A (en) | 1975-07-02 |
AU4198272A (en) | 1973-12-20 |
US3905432A (en) | 1975-09-16 |
FR2151834A5 (en) | 1973-04-20 |
ZA722999B (en) | 1973-02-28 |
CA1002512A (en) | 1976-12-28 |
AU476723B2 (en) | 1976-09-30 |
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