BE516770A - - Google Patents
Info
- Publication number
- BE516770A BE516770A BE516770DA BE516770A BE 516770 A BE516770 A BE 516770A BE 516770D A BE516770D A BE 516770DA BE 516770 A BE516770 A BE 516770A
- Authority
- BE
- Belgium
- Prior art keywords
- tool
- heads
- holder
- drilling
- sleeves
- Prior art date
Links
- 238000005553 drilling Methods 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 description 9
- 239000003245 coal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 235000004035 Cryptotaenia japonica Nutrition 0.000 description 1
- 235000016936 Dendrocalamus strictus Nutrition 0.000 description 1
- 102000007641 Trefoil Factors Human genes 0.000 description 1
- 235000015724 Trifolium pratense Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/58—Machines slitting by drilling hole on hole
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516770A true BE516770A (enrdf_load_stackoverflow) |
Family
ID=153868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516770D BE516770A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE516770A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1174726B (de) * | 1957-07-02 | 1964-07-30 | Dipl Berging Albrecht Graefer | Zweispindelige Grosslochbohrmaschine |
| DE1180334B (de) * | 1955-08-02 | 1964-10-29 | Coal Industry Patents Ltd | Abbaueinrichtung fuer flach gelagerte Floeze geringer Maechtigkeit |
| DE1758851B1 (de) * | 1968-08-20 | 1971-09-23 | Bergwerksverband Gmbh | Hydromechanische Bohreinrichtung zur Herstellung floezgaengiger Zielbohrungen |
-
0
- BE BE516770D patent/BE516770A/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1180334B (de) * | 1955-08-02 | 1964-10-29 | Coal Industry Patents Ltd | Abbaueinrichtung fuer flach gelagerte Floeze geringer Maechtigkeit |
| DE1174726B (de) * | 1957-07-02 | 1964-07-30 | Dipl Berging Albrecht Graefer | Zweispindelige Grosslochbohrmaschine |
| DE1758851B1 (de) * | 1968-08-20 | 1971-09-23 | Bergwerksverband Gmbh | Hydromechanische Bohreinrichtung zur Herstellung floezgaengiger Zielbohrungen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0408088B1 (fr) | Faucheuse rotative | |
| EP0171341B1 (fr) | Faucheuse rotative | |
| FR2638056A1 (fr) | Faucheuse avec montage perfectionne des organes de coupe | |
| CA2327379C (fr) | Faucheuse | |
| FR2909581A1 (fr) | Meche a bois | |
| BE516770A (enrdf_load_stackoverflow) | ||
| FR2589764A1 (fr) | Pointe d'outil et son mode d'emploi et outil pour percer un trou et former un collier dans une tole. | |
| FR2681264A1 (fr) | Poussoir a jet avec tete centrifuge pour le nettoyage des conduites. | |
| EP2241171B1 (fr) | Dispositif porte-outils a maintien des outils en position de travail par formes adaptables | |
| WO2007031631A2 (fr) | Dispositif de perçage | |
| CA2143511C (fr) | Assemblage d'outil de coupe pour une tete rotative servant a la production de copeaux | |
| BE535288A (enrdf_load_stackoverflow) | ||
| FR2542155A1 (fr) | Tete de coupe et machine de debroussaillage comportant une telle tete de coupe | |
| FR2551306A1 (fr) | Rouleau packer destine a etre utilise dans une machine pour travailler le sol munie d'organes de travail entraines | |
| FR2623970A1 (fr) | Machine a debouturer la vigne mere, les sarments de vigne ou autres bois analogues | |
| FR2738707A1 (fr) | Drague pour la recolte d'algues sur un fond marin | |
| FR2509641A1 (fr) | Outil de coupe pour l'usinage, et tete d'usinage ainsi equipee | |
| BE558257A (enrdf_load_stackoverflow) | ||
| EP0030908A1 (fr) | Machine-outil agricole pour le travail du sol | |
| FR2711085A1 (fr) | Machine automatique de déplacement dans l'espace d'un outil de travail, notamment d'usinage. | |
| BE489478A (enrdf_load_stackoverflow) | ||
| BE474370A (enrdf_load_stackoverflow) | ||
| WO1990004068A1 (fr) | Trancheuse | |
| BE447757A (enrdf_load_stackoverflow) | ||
| BE469004A (enrdf_load_stackoverflow) |