ACTIVATED EARTH DRILL
The invention relates to a method of earth drilling by means of a drill bit which is attached to a drill rod and includes the steps of rotating the bit on the drill rod axis and rotating an eccentric weight by means in the bit to impart a hammer action to the bit. The drill bit includes a drive arra...
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| Main Authors | , , |
|---|---|
| Format | Patent |
| Language | English French |
| Published |
10.08.1993
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| Edition | 5 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | The invention relates to a method of earth drilling by means of a drill bit which is attached to a drill rod and includes the steps of rotating the bit on the drill rod axis and rotating an eccentric weight by means in the bit to impart a hammer action to the bit. The drill bit includes a drive arrangement having two opposed drive shafts which are transverse to the drill rod axis, means for driving the shafts and a rock comminuting cutter which is eccentrically mounted on each of the shafts. |
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| AbstractList | The invention relates to a method of earth drilling by means of a drill bit which is attached to a drill rod and includes the steps of rotating the bit on the drill rod axis and rotating an eccentric weight by means in the bit to impart a hammer action to the bit. The drill bit includes a drive arrangement having two opposed drive shafts which are transverse to the drill rod axis, means for driving the shafts and a rock comminuting cutter which is eccentrically mounted on each of the shafts. |
| Author | BE, KLAUS BE, PHILIP C BE, ULRICH W |
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| DocumentTitleAlternate | FORET POUR TERRE ACTIVEE |
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| Notes | Application Number: CA19870534636 |
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| PublicationCentury | 1900 |
| PublicationDate | 19930810 |
| PublicationDateYYYYMMDD | 1993-08-10 |
| PublicationDate_xml | – month: 08 year: 1993 text: 19930810 day: 10 |
| PublicationDecade | 1990 |
| PublicationYear | 1993 |
| RelatedCompanies | GENERAL MINING UNION CORPORATION LIMITED |
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| Snippet | The invention relates to a method of earth drilling by means of a drill bit which is attached to a drill rod and includes the steps of rotating the bit on the... |
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| SubjectTerms | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| Title | ACTIVATED EARTH DRILL |
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