NL181088B - DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES. - Google Patents
DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES.Info
- Publication number
- NL181088B NL181088B NL7908284A NL7908284A NL181088B NL 181088 B NL181088 B NL 181088B NL 7908284 A NL7908284 A NL 7908284A NL 7908284 A NL7908284 A NL 7908284A NL 181088 B NL181088 B NL 181088B
- Authority
- NL
- Netherlands
- Prior art keywords
- drilling
- cutting edges
- unit containing
- shaft
- blade equipped
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0018—Drills for enlarging a hole
- B23B51/0027—Drills for enlarging a hole by tool swivelling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752539521 DE2539521C2 (en) | 1975-09-05 | Drilling unit | |
DE2539521 | 1975-09-05 | ||
DE2544468 | 1975-10-04 | ||
DE19752544468 DE2544468C2 (en) | 1975-10-04 | Drilling unit | |
DE2547412 | 1975-10-23 | ||
DE19752547412 DE2547412C2 (en) | 1975-10-23 | Drilling unit | |
DE19752549057 DE2549057C2 (en) | 1975-09-05 | 1975-11-03 | Drilling unit |
DE2549057 | 1975-11-03 | ||
NLAANVRAGE7608015,A NL168159C (en) | 1975-09-05 | 1976-07-20 | DRILLING UNIT. |
NL7608015 | 1976-07-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7908284A NL7908284A (en) | 1980-03-31 |
NL181088B true NL181088B (en) | 1987-01-16 |
NL181088C NL181088C (en) | 1987-06-16 |
Family
ID=27510428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7908284A NL181088C (en) | 1975-09-05 | 1979-11-13 | DRILLING UNIT CONTAINING A DRILLING SHAFT AND A DRILLING BLADE EQUIPPED WITH CUTTING EDGES. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL181088C (en) |
-
1979
- 1979-11-13 NL NL7908284A patent/NL181088C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7908284A (en) | 1980-03-31 |
NL181088C (en) | 1987-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
SNR | Assignments of patents or rights arising from examined patent applications |
Owner name: FISCHER-WERKE ARTUR FISCHER GMBH & CO. KG |
|
V4 | Lapsed because of reaching the maxim lifetime of a patent |
Free format text: 960720 |