GB9624641D0 - Drill bit - Google Patents
Drill bitInfo
- Publication number
- GB9624641D0 GB9624641D0 GBGB9624641.8A GB9624641A GB9624641D0 GB 9624641 D0 GB9624641 D0 GB 9624641D0 GB 9624641 A GB9624641 A GB 9624641A GB 9624641 D0 GB9624641 D0 GB 9624641D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill bit
- drill
- bit
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0473—Details about the connection between the driven shaft and the tubular cutting part; Arbors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29519484U DE29519484U1 (en) | 1995-12-08 | 1995-12-08 | drill |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9624641D0 true GB9624641D0 (en) | 1997-01-15 |
GB2307930A GB2307930A (en) | 1997-06-11 |
Family
ID=8016461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9624641A Withdrawn GB2307930A (en) | 1995-12-08 | 1996-11-27 | Drill bit |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE29519484U1 (en) |
GB (1) | GB2307930A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1040196C2 (en) * | 2013-05-03 | 2014-11-04 | Boorwerk B V | QUICK-CHANGE SYSTEM FOR ROTARY TOOLS. |
EP3978719A1 (en) * | 2020-09-30 | 2022-04-06 | Sandvik Mining and Construction Tools AB | Low stress cavity exit for conically connecting drill bit |
EP3978720A1 (en) * | 2020-09-30 | 2022-04-06 | Sandvik Mining and Construction Tools AB | Low stress cavity for conically connecting drill bits |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5153514Y2 (en) * | 1973-12-01 | 1976-12-21 | ||
DE3326246A1 (en) * | 1983-07-21 | 1985-01-31 | Paul 5940 Lennestadt Schmidt | RAMM DEVICE |
-
1995
- 1995-12-08 DE DE29519484U patent/DE29519484U1/en not_active Expired - Lifetime
-
1996
- 1996-11-27 GB GB9624641A patent/GB2307930A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE29519484U1 (en) | 1996-01-25 |
GB2307930A (en) | 1997-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |