IT941107B - Fioretto da roccia per perforatri ci a percussione - Google Patents
Fioretto da roccia per perforatri ci a percussioneInfo
- Publication number
- IT941107B IT941107B IT3085471A IT3085471A IT941107B IT 941107 B IT941107 B IT 941107B IT 3085471 A IT3085471 A IT 3085471A IT 3085471 A IT3085471 A IT 3085471A IT 941107 B IT941107 B IT 941107B
- Authority
- IT
- Italy
- Prior art keywords
- perforatri
- percussion
- rock
- foil
- rock foil
- Prior art date
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
- 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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702057892 DE2057892A1 (de) | 1970-11-25 | 1970-11-25 | Gesteinsbohrer fuer Schlagbohrmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT941107B true IT941107B (it) | 1973-03-01 |
Family
ID=5789029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3085471A IT941107B (it) | 1970-11-25 | 1971-11-09 | Fioretto da roccia per perforatri ci a percussione |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT313220B (de) |
CH (1) | CH525753A (de) |
DE (1) | DE2057892A1 (de) |
FR (1) | FR2115828A5 (de) |
GB (1) | GB1362292A (de) |
IT (1) | IT941107B (de) |
NL (1) | NL7114401A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH626557A5 (de) * | 1978-09-28 | 1981-11-30 | Guex Philippe & Fils Sa | |
DE3014693A1 (de) * | 1980-04-16 | 1981-10-22 | Hilti AG, 9494 Schaan | Gesteinsbohrer |
DE4338667A1 (de) * | 1993-11-12 | 1995-05-18 | Hilti Ag | Bohrwerkzeug |
US5641028A (en) * | 1995-08-10 | 1997-06-24 | Black & Decker Inc. | Drill bit with debris conveying flute |
GB2393681A (en) | 2002-10-03 | 2004-04-07 | Black & Decker Inc | Masonry drilling tool |
-
1970
- 1970-11-25 DE DE19702057892 patent/DE2057892A1/de active Pending
-
1971
- 1971-09-20 CH CH1368671A patent/CH525753A/de not_active IP Right Cessation
- 1971-09-22 AT AT819771A patent/AT313220B/de not_active IP Right Cessation
- 1971-10-20 NL NL7114401A patent/NL7114401A/xx unknown
- 1971-10-27 GB GB4988971A patent/GB1362292A/en not_active Expired
- 1971-11-05 FR FR7139712A patent/FR2115828A5/fr not_active Expired
- 1971-11-09 IT IT3085471A patent/IT941107B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2057892A1 (de) | 1972-06-08 |
AT313220B (de) | 1974-02-11 |
FR2115828A5 (de) | 1972-07-07 |
NL7114401A (de) | 1972-05-29 |
CH525753A (de) | 1972-07-31 |
GB1362292A (en) | 1974-08-07 |
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