FR2083938A5 - - Google Patents
Info
- Publication number
- FR2083938A5 FR2083938A5 FR7105963A FR7105963A FR2083938A5 FR 2083938 A5 FR2083938 A5 FR 2083938A5 FR 7105963 A FR7105963 A FR 7105963A FR 7105963 A FR7105963 A FR 7105963A FR 2083938 A5 FR2083938 A5 FR 2083938A5
- Authority
- FR
- France
- 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.)
- Expired
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
- 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
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702014870 DE2014870A1 (it) | 1970-03-26 | 1970-03-26 | |
DE19702041985 DE2041985B1 (de) | 1970-08-25 | 1970-08-25 | Gesteinsbohrer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2083938A5 true FR2083938A5 (it) | 1971-12-17 |
Family
ID=25758894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7105963A Expired FR2083938A5 (it) | 1970-03-26 | 1971-02-22 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3703214A (it) |
CH (1) | CH517244A (it) |
DK (1) | DK124183B (it) |
FR (1) | FR2083938A5 (it) |
NL (1) | NL7102712A (it) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2480847A1 (fr) * | 1980-04-16 | 1981-10-23 | Hilti Ag | Foret a roche |
EP0175380A1 (de) * | 1984-09-21 | 1986-03-26 | HappyCard International Limited | Aufnahmekamera |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH626557A5 (it) * | 1978-09-28 | 1981-11-30 | Guex Philippe & Fils Sa | |
DE3919095A1 (de) * | 1988-07-16 | 1990-01-18 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
DE19702137A1 (de) * | 1997-01-22 | 1998-07-23 | Fundex N V | Erdverdrängungsbohrer |
GB9725740D0 (en) * | 1997-03-24 | 1998-02-04 | Sibille Patrick Neil | Apparatus and a method for use downhole |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1107927A (en) * | 1914-01-06 | 1914-08-18 | Heinrich Fuchs | Ground-auger. |
FR498546A (fr) * | 1915-04-06 | 1920-01-14 | Frederic Guillierme | Machine pour le creusage de trous de mine |
US2572839A (en) * | 1947-10-23 | 1951-10-30 | Mcclinton John | Combination key seat remover and vibration distributor for well drilling |
DE1782509A1 (de) * | 1968-09-11 | 1971-08-26 | Mayer Kg | Bohrer zum maschinellen Herstellen von Pflanzloechern in Blumentoepfen oder anderen Behaeltern |
-
1971
- 1971-02-22 FR FR7105963A patent/FR2083938A5/fr not_active Expired
- 1971-02-24 DK DK83471AA patent/DK124183B/da unknown
- 1971-03-01 US US119783A patent/US3703214A/en not_active Expired - Lifetime
- 1971-03-01 NL NL7102712A patent/NL7102712A/xx unknown
- 1971-03-01 CH CH294671A patent/CH517244A/de not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2480847A1 (fr) * | 1980-04-16 | 1981-10-23 | Hilti Ag | Foret a roche |
EP0175380A1 (de) * | 1984-09-21 | 1986-03-26 | HappyCard International Limited | Aufnahmekamera |
Also Published As
Publication number | Publication date |
---|---|
DK124183B (da) | 1972-09-25 |
NL7102712A (it) | 1971-09-28 |
US3703214A (en) | 1972-11-21 |
CH517244A (de) | 1971-12-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |