AU3017177A - Mineral excavating bit - Google Patents
Mineral excavating bitInfo
- Publication number
- AU3017177A AU3017177A AU30171/77A AU3017177A AU3017177A AU 3017177 A AU3017177 A AU 3017177A AU 30171/77 A AU30171/77 A AU 30171/77A AU 3017177 A AU3017177 A AU 3017177A AU 3017177 A AU3017177 A AU 3017177A
- Authority
- AU
- Australia
- Prior art keywords
- mineral
- excavating bit
- excavating
- bit
- mineral excavating
- Prior art date
- 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.)
- Granted
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
- E21C29/24—Trucks carrying the machine while working
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/24—Methods of underground mining; Layouts therefor for oil-bearing deposits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9411—Cutting couple type
- Y10T83/9413—Spiral type cutter
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/737,068 US4084854A (en) | 1976-11-01 | 1976-11-01 | Drag bit excavation |
USUS737061 | 1976-11-01 | ||
US05/737,061 US4087131A (en) | 1976-11-01 | 1976-11-01 | Drag bit excavation |
USUS737068 | 1976-11-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3017177A true AU3017177A (en) | 1979-05-10 |
AU513975B2 AU513975B2 (en) | 1981-01-15 |
Family
ID=27113168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU30171/77A Expired AU513975B2 (en) | 1976-11-01 | 1977-10-31 | Mineral excavating bit |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU513975B2 (en) |
CA (1) | CA1078882A (en) |
DE (1) | DE2748582A1 (en) |
GB (1) | GB1592200A (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE211193C (en) * | ||||
DE746106C (en) * | 1936-02-12 | 1944-08-05 | Luebecker Maschb Ges | Bucket wheel excavator |
US2417313A (en) * | 1944-06-17 | 1947-03-11 | John H Mackinnon | Trench-digging machine |
US2650083A (en) * | 1950-12-29 | 1953-08-25 | Goodman Mfg Co | Coal drill |
US3039208A (en) * | 1956-05-22 | 1962-06-19 | Nicholas P Oglesby | Trench digging machines |
DE1253180B (en) * | 1959-05-28 | 1967-10-26 | Trainer Associates Inc | Earth auger |
US3537537A (en) * | 1967-07-18 | 1970-11-03 | Watson Mfg Co | Boulder dislodging tool |
US3856357A (en) * | 1973-08-22 | 1974-12-24 | G Wharton | Combination rotor-box cutter mining machine and method of mining |
DE2451286C3 (en) * | 1974-10-29 | 1983-01-20 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Cutting roller for tunneling machines |
-
1977
- 1977-10-11 CA CA289,246A patent/CA1078882A/en not_active Expired
- 1977-10-28 DE DE19772748582 patent/DE2748582A1/en not_active Ceased
- 1977-10-31 GB GB45165/77A patent/GB1592200A/en not_active Expired
- 1977-10-31 AU AU30171/77A patent/AU513975B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1592200A (en) | 1981-07-01 |
DE2748582A1 (en) | 1978-05-11 |
CA1078882A (en) | 1980-06-03 |
AU513975B2 (en) | 1981-01-15 |
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