AT360734B - Hohlbohrer - Google Patents
HohlbohrerInfo
- Publication number
- AT360734B AT360734B AT557479A AT557479A AT360734B AT 360734 B AT360734 B AT 360734B AT 557479 A AT557479 A AT 557479A AT 557479 A AT557479 A AT 557479A AT 360734 B AT360734 B AT 360734B
- Authority
- AT
- Austria
- Prior art keywords
- hollow drill
- drill
- hollow
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT557479A AT360734B (de) | 1979-08-17 | 1979-08-17 | Hohlbohrer |
DE19797929448 DE7929448U1 (de) | 1979-08-17 | 1979-10-17 | Hohlbohrer |
DE19803029101 DE3029101A1 (de) | 1979-08-17 | 1980-07-31 | Hohlbohrer fuer die herstellung von oeffnungen in waenden o.dgl. |
NL8004519A NL8004519A (nl) | 1979-08-17 | 1980-08-07 | Holle boor voor het maken van openingen in wanden en dergelijke. |
SE8005697A SE8005697L (sv) | 1979-08-17 | 1980-08-13 | Halborr for borrning av oppningar i veggar och dylikt |
FR8017954A FR2463655A1 (fr) | 1979-08-17 | 1980-08-14 | Foret creux pour pratiquer des ouvertures dans les murs, ou similaires |
BE2/58704A BE884775A (nl) | 1979-08-17 | 1980-08-14 | Holle boor voor het maken van openingen in wanden en dergelijke |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT557479A AT360734B (de) | 1979-08-17 | 1979-08-17 | Hohlbohrer |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA557479A ATA557479A (de) | 1980-06-15 |
AT360734B true AT360734B (de) | 1981-01-26 |
Family
ID=3577296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT557479A AT360734B (de) | 1979-08-17 | 1979-08-17 | Hohlbohrer |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT360734B (de) |
BE (1) | BE884775A (de) |
DE (2) | DE7929448U1 (de) |
FR (1) | FR2463655A1 (de) |
NL (1) | NL8004519A (de) |
SE (1) | SE8005697L (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0334806A1 (de) * | 1988-03-21 | 1989-09-27 | HILTI Aktiengesellschaft | Gesteinsbohrkrone |
WO1998022260A1 (en) * | 1996-11-21 | 1998-05-28 | Norton Company | Crenelated abrasive tool |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3418723A1 (de) * | 1984-05-19 | 1985-11-21 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Adapter fuer hammerbohrmaschinen |
WO1990015683A1 (de) * | 1989-06-14 | 1990-12-27 | Tyrolit Schleifmittelwerke Swarovski K.G. | Hohlbohrer |
DE9309536U1 (de) * | 1993-06-26 | 1993-09-02 | Cedima Diamantwerkzeug- und Maschinenhandelsgesellschaft mbH, 29227 Celle | Diamant-Trockenbohrkrone mit Zentrierbohrer |
NL1027630C2 (nl) * | 2004-11-30 | 2006-05-31 | Interdiam B V | Gatenboor. |
CN112198034A (zh) * | 2020-11-26 | 2021-01-08 | 辽宁工程技术大学 | 一种弱胶结软岩空心圆柱试样制样装置及制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH185076A (de) * | 1935-05-04 | 1936-07-15 | Sauer Carl | Kernbohrer für Mauerwerk. |
US2427085A (en) * | 1946-05-07 | 1947-09-09 | Hugh V Allison | Chuck and abrasive drill |
DE1083172B (de) * | 1956-03-06 | 1960-06-09 | Winter & Sohn Ernst | Rohrfoermiger Bohrer fuer Glas und anderes hartes Material |
US3153885A (en) * | 1961-10-09 | 1964-10-27 | Chauncey A R Keller | Cyclindrical cutter device |
DE2238387A1 (de) * | 1972-08-04 | 1974-03-28 | Winter & Sohn Ernst | Mehrschneidiges zerspanwerkzeug |
US4047828A (en) * | 1976-03-31 | 1977-09-13 | Makely Joseph E | Core drill |
-
1979
- 1979-08-17 AT AT557479A patent/AT360734B/de not_active IP Right Cessation
- 1979-10-17 DE DE19797929448 patent/DE7929448U1/de not_active Expired
-
1980
- 1980-07-31 DE DE19803029101 patent/DE3029101A1/de not_active Ceased
- 1980-08-07 NL NL8004519A patent/NL8004519A/nl unknown
- 1980-08-13 SE SE8005697A patent/SE8005697L/ not_active Application Discontinuation
- 1980-08-14 BE BE2/58704A patent/BE884775A/nl not_active IP Right Cessation
- 1980-08-14 FR FR8017954A patent/FR2463655A1/fr active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0334806A1 (de) * | 1988-03-21 | 1989-09-27 | HILTI Aktiengesellschaft | Gesteinsbohrkrone |
WO1998022260A1 (en) * | 1996-11-21 | 1998-05-28 | Norton Company | Crenelated abrasive tool |
Also Published As
Publication number | Publication date |
---|---|
DE7929448U1 (de) | 1980-01-17 |
BE884775A (nl) | 1980-12-01 |
DE3029101A1 (de) | 1981-03-26 |
NL8004519A (nl) | 1981-02-19 |
ATA557479A (de) | 1980-06-15 |
SE8005697L (sv) | 1981-02-18 |
FR2463655A1 (fr) | 1981-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |