ATE20376T1 - CORE DRILLING AND DEEP HOLE DRILLING HEAD. - Google Patents
CORE DRILLING AND DEEP HOLE DRILLING HEAD.Info
- Publication number
- ATE20376T1 ATE20376T1 AT83200741T AT83200741T ATE20376T1 AT E20376 T1 ATE20376 T1 AT E20376T1 AT 83200741 T AT83200741 T AT 83200741T AT 83200741 T AT83200741 T AT 83200741T AT E20376 T1 ATE20376 T1 AT E20376T1
- Authority
- AT
- Austria
- Prior art keywords
- drilling
- deep hole
- core
- head
- hole drilling
- Prior art date
Links
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA784716A ZA784716B (en) | 1978-08-18 | 1978-08-18 | A method of making tool inserts |
ZA787087 | 1978-12-19 | ||
ZA787291 | 1978-12-27 | ||
ZA79814 | 1979-02-21 | ||
EP79301629A EP0009315B1 (en) | 1978-08-18 | 1979-08-13 | Method of making tool inserts, wire-drawing die blank and drill bit comprising such inserts |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE20376T1 true ATE20376T1 (en) | 1986-06-15 |
Family
ID=27513130
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT79301629T ATE6135T1 (en) | 1978-08-18 | 1979-08-13 | PROCESS FOR MANUFACTURE OF TOOL INSERTS, WIRE DRAWING DIE AND DRILLING TOOL CONTAINING SUCH TOOL INSERTS. |
AT83200741T ATE20376T1 (en) | 1978-08-18 | 1979-08-13 | CORE DRILLING AND DEEP HOLE DRILLING HEAD. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT79301629T ATE6135T1 (en) | 1978-08-18 | 1979-08-13 | PROCESS FOR MANUFACTURE OF TOOL INSERTS, WIRE DRAWING DIE AND DRILLING TOOL CONTAINING SUCH TOOL INSERTS. |
Country Status (2)
Country | Link |
---|---|
AT (2) | ATE6135T1 (en) |
DE (1) | DE2967604D1 (en) |
-
1979
- 1979-08-13 DE DE8383200741T patent/DE2967604D1/en not_active Expired
- 1979-08-13 AT AT79301629T patent/ATE6135T1/en not_active IP Right Cessation
- 1979-08-13 AT AT83200741T patent/ATE20376T1/en active
Also Published As
Publication number | Publication date |
---|---|
DE2967604D1 (en) | 1986-07-17 |
ATE6135T1 (en) | 1984-02-15 |
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