SE349251B - - Google Patents
Info
- Publication number
- SE349251B SE349251B SE08904/70A SE890470A SE349251B SE 349251 B SE349251 B SE 349251B SE 08904/70 A SE08904/70 A SE 08904/70A SE 890470 A SE890470 A SE 890470A SE 349251 B SE349251 B SE 349251B
- Authority
- SE
- Sweden
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
- B24B3/33—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of drills for stone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE08904/70A SE349251B (en) | 1970-06-26 | 1970-06-26 | |
| US00157041A US3739529A (en) | 1970-06-26 | 1971-06-25 | Machine for the sharpening of impact rock drills with chisel cutting edges |
| DE19712131709 DE2131709A1 (en) | 1970-06-26 | 1971-06-25 | Machine for sharpening rock drill bits |
| CA116,801A CA940711A (en) | 1970-06-26 | 1971-06-28 | Machine for the sharpening of impact rock drills with chisel cutting edges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE08904/70A SE349251B (en) | 1970-06-26 | 1970-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE349251B true SE349251B (en) | 1972-09-25 |
Family
ID=20275324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE08904/70A SE349251B (en) | 1970-06-26 | 1970-06-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3739529A (en) |
| CA (1) | CA940711A (en) |
| DE (1) | DE2131709A1 (en) |
| SE (1) | SE349251B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2603828A1 (en) * | 1986-09-15 | 1988-03-18 | Richwiller Atel Const Reparati | Machine for sharpening cutting tools |
| CN108356702A (en) * | 2018-01-30 | 2018-08-03 | 徐州同乐管业有限公司 | Bidirectional taper metal pipe holder |
| CN109580273B (en) * | 2018-11-28 | 2021-02-09 | 北京卫星制造厂有限公司 | Rock crushing device suitable for little planet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1750956A (en) * | 1923-06-15 | 1930-03-18 | Jones & Lamson Mach Co | Machine for grinding chasers |
| US2275483A (en) * | 1937-01-15 | 1942-03-10 | Sullivan Machinery Co | Grinding apparatus |
| US2424470A (en) * | 1944-10-06 | 1947-07-22 | United Drill & Tool Corp | Method and apparatus for point-grinding drills |
| US2847800A (en) * | 1955-11-28 | 1958-08-19 | Howard E Ingersoll | Automatic grinder for tungsten carbide drill bits |
| GB1064892A (en) * | 1965-03-17 | 1967-04-12 | Brierley Zachry | A method of and a machine for grinding twist drill points |
-
1970
- 1970-06-26 SE SE08904/70A patent/SE349251B/xx unknown
-
1971
- 1971-06-25 US US00157041A patent/US3739529A/en not_active Expired - Lifetime
- 1971-06-25 DE DE19712131709 patent/DE2131709A1/en active Pending
- 1971-06-28 CA CA116,801A patent/CA940711A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2131709A1 (en) | 1971-12-30 |
| US3739529A (en) | 1973-06-19 |
| CA940711A (en) | 1974-01-29 |