ZA732594B - Method and apparatus for the winning of slate - Google Patents
Method and apparatus for the winning of slateInfo
- Publication number
- ZA732594B ZA732594B ZA732594A ZA732594A ZA732594B ZA 732594 B ZA732594 B ZA 732594B ZA 732594 A ZA732594 A ZA 732594A ZA 732594 A ZA732594 A ZA 732594A ZA 732594 B ZA732594 B ZA 732594B
- Authority
- ZA
- South Africa
- Prior art keywords
- slate
- winning
- Prior art date
Links
- 239000010454 slate Substances 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/02—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage
- B23D45/021—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage with the saw blade mounted on a carriage
- B23D45/024—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage with the saw blade mounted on a carriage the saw blade being adjustable according to depth or angle of cut
-
- 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
- B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut
-
- 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
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2218921A DE2218921A1 (de) | 1972-04-19 | 1972-04-19 | Verfahren und vorrichtung zum gewinnen von schiefer |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA732594B true ZA732594B (en) | 1974-03-27 |
Family
ID=5842449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA732594A ZA732594B (en) | 1972-04-19 | 1973-04-16 | Method and apparatus for the winning of slate |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2218921A1 (de) |
FR (1) | FR2180834A1 (de) |
IT (1) | IT982046B (de) |
ZA (1) | ZA732594B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6269280A (en) * | 1979-09-27 | 1981-04-09 | Hume Wells Colville | Sewing apparatus |
DE3327941A1 (de) * | 1983-08-03 | 1985-02-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Abbau- und vortriebsmaschine |
FR2725931A1 (fr) * | 1994-10-20 | 1996-04-26 | Dg Construction | Procede et dispositif pour couper une surface dans un bloc de matiere et machine comprenant un tel dispositif |
DE19837288A1 (de) * | 1998-08-18 | 2000-02-24 | Rsb Betontrenntechnik Gmbh | Fräsvorrichtung zum Bearbeiten von Betonflächen und Fräsverfahren hierzu |
-
1972
- 1972-04-19 DE DE2218921A patent/DE2218921A1/de active Pending
-
1973
- 1973-04-16 ZA ZA732594A patent/ZA732594B/xx unknown
- 1973-04-16 FR FR7313682A patent/FR2180834A1/fr not_active Withdrawn
- 1973-04-18 IT IT7224/73A patent/IT982046B/it active
Also Published As
Publication number | Publication date |
---|---|
IT982046B (it) | 1974-10-21 |
DE2218921A1 (de) | 1973-10-31 |
FR2180834A1 (de) | 1973-11-30 |
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