AT375146B - Sprengloch-bohrkopf und verschleissarme verbund- stoffschneide hiefuer - Google Patents
Sprengloch-bohrkopf und verschleissarme verbund- stoffschneide hiefuerInfo
- Publication number
- AT375146B AT375146B AT0409181A AT409181A AT375146B AT 375146 B AT375146 B AT 375146B AT 0409181 A AT0409181 A AT 0409181A AT 409181 A AT409181 A AT 409181A AT 375146 B AT375146 B AT 375146B
- Authority
- AT
- Austria
- Prior art keywords
- hiefuer
- low
- drill head
- hole drill
- blasting hole
- Prior art date
Links
- 238000005422 blasting Methods 0.000 title 1
- 239000002131 composite material Substances 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/263—Methods for stimulating production by forming crevices or fractures using explosives
-
- 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
- E21B10/40—Percussion drill bits with leading portion
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/58—Chisel-type inserts
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/001—Drilling a non circular hole
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/190,194 US4361197A (en) | 1980-09-24 | 1980-09-24 | Blast hole grooving bit and wear resistant compact |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA409181A ATA409181A (de) | 1983-11-15 |
AT375146B true AT375146B (de) | 1984-07-10 |
Family
ID=22700370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0409181A AT375146B (de) | 1980-09-24 | 1981-09-23 | Sprengloch-bohrkopf und verschleissarme verbund- stoffschneide hiefuer |
Country Status (5)
Country | Link |
---|---|
US (1) | US4361197A (de) |
AT (1) | AT375146B (de) |
AU (1) | AU543369B2 (de) |
CA (1) | CA1152058A (de) |
DE (1) | DE3136464C2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4549615A (en) * | 1982-07-12 | 1985-10-29 | Kennametal Inc. | Single-pass notching and drilling tool and method of drilling a blast role therewith |
RU2595281C1 (ru) * | 2015-07-20 | 2016-08-27 | Виктор Михайлович Кононов | Инструмент для выполнения профильных надрезов в пробуренных шпурах |
CN112814560A (zh) * | 2020-12-30 | 2021-05-18 | 重庆国翔新材料有限公司 | 一种变形钻头 |
CN113027346A (zh) * | 2021-04-19 | 2021-06-25 | 重庆交通大学 | 一种用于隧道撑子面爆破开挖的变形钻头 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1631693A (en) * | 1927-06-07 | Broaching tool | ||
US629145A (en) * | 1898-12-15 | 1899-07-18 | Joseph E Almon | Instrument for cutting grooves in cylindrical holes in rocks. |
US740906A (en) * | 1902-07-22 | 1903-10-06 | David Awst Owen | Rock-drill attachment. |
US1514156A (en) * | 1924-04-25 | 1924-11-04 | Hancock Scotty | Combination bit and underreamer |
GB288831A (en) * | 1927-05-02 | 1928-04-19 | Harry August Stockman | Improvements in rock-drills or rock-drilling bits and the like |
US1941217A (en) * | 1932-08-17 | 1933-12-26 | Ingersoll Rand Co | Broaching tool |
US2040074A (en) * | 1935-04-15 | 1936-05-12 | R M Wright | Jack hammer bit |
CH262729A (de) * | 1942-09-04 | 1949-07-31 | Sandvikens Jernverks Ab | Steinbohrersatz. |
US2602640A (en) * | 1946-11-25 | 1952-07-08 | Joseph R Colley | Concrete cutting tool |
US2759705A (en) * | 1951-05-01 | 1956-08-21 | Bjorkman Gustaf Erik | Rock drills with inserted cutting edges |
GB994775A (en) * | 1963-05-14 | 1965-06-10 | Sandvikens Jernverks Ab | Improvements in or relating to drill bits |
US3605925A (en) * | 1969-09-02 | 1971-09-20 | I J Berscheid And Associates L | Non rifling drill bit |
DE2940274A1 (de) * | 1978-10-23 | 1980-04-30 | Fagersta Ab | Gesteinsbohrwerkzeug |
-
1980
- 1980-09-24 US US06/190,194 patent/US4361197A/en not_active Expired - Lifetime
-
1981
- 1981-08-21 CA CA000384354A patent/CA1152058A/en not_active Expired
- 1981-08-27 AU AU74756/81A patent/AU543369B2/en not_active Ceased
- 1981-09-15 DE DE3136464A patent/DE3136464C2/de not_active Expired
- 1981-09-23 AT AT0409181A patent/AT375146B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3136464A1 (de) | 1982-06-16 |
US4361197A (en) | 1982-11-30 |
AU7475681A (en) | 1982-04-01 |
CA1152058A (en) | 1983-08-16 |
AU543369B2 (en) | 1985-04-18 |
ATA409181A (de) | 1983-11-15 |
DE3136464C2 (de) | 1984-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELJ | Ceased due to non-payment of the annual fee |