GB363913A - Improvements in drills for rock, marble and the like - Google Patents
Improvements in drills for rock, marble and the likeInfo
- Publication number
- GB363913A GB363913A GB7831/31A GB783131A GB363913A GB 363913 A GB363913 A GB 363913A GB 7831/31 A GB7831/31 A GB 7831/31A GB 783131 A GB783131 A GB 783131A GB 363913 A GB363913 A GB 363913A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drills
- cutting
- supported
- marble
- rock
- 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.)
- Expired
Links
- 239000004579 marble Substances 0.000 title abstract 2
- 239000011435 rock Substances 0.000 title abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 238000007689 inspection Methods 0.000 abstract 1
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
- E21B10/58—Chisel-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
363,913. Drills. KRUPP AKT.-GES., F., Essen, Germany. March 13, 1931, No. 7831. Convention date, Nov. 8, 1930. [Class 83 (iii).] Drills, especially for marble, rock, &c., comprise a hard metal cutter soldered between two S-shaped flanges of a carrier, the cutting-edges being supported on the non-cutting side by the flanges but being free on the other side. A hard metal cutter A is supported between S-shaped flanges B<1> and soldered thereto, each cutting- edge a<1> being supported on the non- cutting side by a flange. The shank B is flat in form. The Specification as open to inspection under Sect. 91 (3) (a) contains also the subject-matter of Specification 363,982. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE363913X | 1930-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB363913A true GB363913A (en) | 1931-12-31 |
Family
ID=6314064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7831/31A Expired GB363913A (en) | 1930-11-08 | 1931-03-13 | Improvements in drills for rock, marble and the like |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB363913A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2598459A (en) * | 1947-02-07 | 1952-05-27 | Super Tool Company | Masonry drill |
-
1931
- 1931-03-13 GB GB7831/31A patent/GB363913A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2598459A (en) * | 1947-02-07 | 1952-05-27 | Super Tool Company | Masonry drill |
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