GB9019914D0 - Improvements in or relating to the manufacture of cutting structures for rotary drill bits - Google Patents
Improvements in or relating to the manufacture of cutting structures for rotary drill bitsInfo
- Publication number
- GB9019914D0 GB9019914D0 GB909019914A GB9019914A GB9019914D0 GB 9019914 D0 GB9019914 D0 GB 9019914D0 GB 909019914 A GB909019914 A GB 909019914A GB 9019914 A GB9019914 A GB 9019914A GB 9019914 D0 GB9019914 D0 GB 9019914D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- manufacture
- drill bits
- rotary drill
- cutting structures
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/025—Connecting cutting edges or the like to tools; Attaching reinforcements to workpieces, e.g. wear-resisting zones to tableware
-
- 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
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909019914A GB9019914D0 (en) | 1990-09-12 | 1990-09-12 | Improvements in or relating to the manufacture of cutting structures for rotary drill bits |
GB9119305A GB2247855B (en) | 1990-09-12 | 1991-09-10 | Improvements in or relating to the manufacture of cutting structures for rotary drill bits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909019914A GB9019914D0 (en) | 1990-09-12 | 1990-09-12 | Improvements in or relating to the manufacture of cutting structures for rotary drill bits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9019914D0 true GB9019914D0 (en) | 1990-10-24 |
Family
ID=10682068
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB909019914A Pending GB9019914D0 (en) | 1990-09-12 | 1990-09-12 | Improvements in or relating to the manufacture of cutting structures for rotary drill bits |
GB9119305A Expired - Fee Related GB2247855B (en) | 1990-09-12 | 1991-09-10 | Improvements in or relating to the manufacture of cutting structures for rotary drill bits |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9119305A Expired - Fee Related GB2247855B (en) | 1990-09-12 | 1991-09-10 | Improvements in or relating to the manufacture of cutting structures for rotary drill bits |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9019914D0 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB624164A (en) * | 1945-10-10 | 1949-05-27 | Sandvikens Jernverks Ab | Improvements in percussion drilling tools having sintered carbide alloy inserts and in the method of making the same |
GB2229124B (en) * | 1989-02-16 | 1993-03-31 | Reed Tool Co | Improvements in or relating to methods of manufacturing cutter assemblies for rotary drill bits |
-
1990
- 1990-09-12 GB GB909019914A patent/GB9019914D0/en active Pending
-
1991
- 1991-09-10 GB GB9119305A patent/GB2247855B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2247855B (en) | 1994-09-07 |
GB2247855A (en) | 1992-03-18 |
GB9119305D0 (en) | 1991-10-23 |
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