DE2423511A1 - Bohrer mit foerderwendel - Google Patents
Bohrer mit foerderwendelInfo
- Publication number
- DE2423511A1 DE2423511A1 DE19742423511 DE2423511A DE2423511A1 DE 2423511 A1 DE2423511 A1 DE 2423511A1 DE 19742423511 DE19742423511 DE 19742423511 DE 2423511 A DE2423511 A DE 2423511A DE 2423511 A1 DE2423511 A1 DE 2423511A1
- Authority
- DE
- Germany
- Prior art keywords
- hard metal
- metal pins
- drill
- drill head
- pins
- 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.)
- Withdrawn
Links
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000002028 premature Effects 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 206010011416 Croup infectious Diseases 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742423511 DE2423511A1 (de) | 1974-05-15 | 1974-05-15 | Bohrer mit foerderwendel |
FR7514788A FR2271001A1 (en) | 1974-05-15 | 1975-05-13 | Powered concrete drill with shaft groove - cutting face studs of hardmetal angled at rim, cone tipped |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742423511 DE2423511A1 (de) | 1974-05-15 | 1974-05-15 | Bohrer mit foerderwendel |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2423511A1 true DE2423511A1 (de) | 1975-11-27 |
Family
ID=5915594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19742423511 Withdrawn DE2423511A1 (de) | 1974-05-15 | 1974-05-15 | Bohrer mit foerderwendel |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2423511A1 (US08142518-20120327-C00011.png) |
FR (1) | FR2271001A1 (US08142518-20120327-C00011.png) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3540355A1 (de) * | 1985-11-14 | 1987-05-21 | Duss Maschf | Bohrer zum drehschlagenden bohren |
DE3919264A1 (de) * | 1989-06-13 | 1990-12-20 | Duss Maschf | Drehschlagbohrer fuer ein von hand fuehrbares bohrgeraet |
CN103538153A (zh) * | 2012-07-10 | 2014-01-29 | 罗伯特·博世有限公司 | 动力头 |
-
1974
- 1974-05-15 DE DE19742423511 patent/DE2423511A1/de not_active Withdrawn
-
1975
- 1975-05-13 FR FR7514788A patent/FR2271001A1/fr active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3540355A1 (de) * | 1985-11-14 | 1987-05-21 | Duss Maschf | Bohrer zum drehschlagenden bohren |
DE3919264A1 (de) * | 1989-06-13 | 1990-12-20 | Duss Maschf | Drehschlagbohrer fuer ein von hand fuehrbares bohrgeraet |
CN103538153A (zh) * | 2012-07-10 | 2014-01-29 | 罗伯特·博世有限公司 | 动力头 |
Also Published As
Publication number | Publication date |
---|---|
FR2271001A1 (en) | 1975-12-12 |
FR2271001B1 (US08142518-20120327-C00011.png) | 1979-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8141 | Disposal/no request for examination |