GB890807A - Improvements in and relating to grinding machines - Google Patents
Improvements in and relating to grinding machinesInfo
- Publication number
- GB890807A GB890807A GB2642/59A GB264259A GB890807A GB 890807 A GB890807 A GB 890807A GB 2642/59 A GB2642/59 A GB 2642/59A GB 264259 A GB264259 A GB 264259A GB 890807 A GB890807 A GB 890807A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- grinding machines
- drill
- jan
- machine
- 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.)
- Expired
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
- B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
- B24B3/022—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters relief grinding of milling cutters
-
- 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
- B24B3/242—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of step drills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
890,807. Drills. CAWI & CO. G.m.b.H. Jan. 23, 1959 [Jan. 24, 1958], No. 2642/59. Class 83 (3). [Also in Group XXIII] The cutting edges of a drill are ground as shown in Fig. 8 in a machine which grinds both end cutting faces V and T. Fig. 6 shows the arrangement of the machine on a base B which supports a fixed grinding-wheel G and an adjustable table F which may be swung about a pivot D for grinding the end or side faces of the drill as shown in Fig. 7. Specification 675,141 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC16173A DE1107114B (en) | 1958-01-24 | 1958-01-24 | Machine for grinding the cutting edges of a drill, countersink, step drill or the like. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB890807A true GB890807A (en) | 1962-03-07 |
Family
ID=7015990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2642/59A Expired GB890807A (en) | 1958-01-24 | 1959-01-23 | Improvements in and relating to grinding machines |
Country Status (5)
Country | Link |
---|---|
US (1) | US3158969A (en) |
CH (1) | CH372225A (en) |
DE (1) | DE1107114B (en) |
FR (1) | FR1224876A (en) |
GB (1) | GB890807A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5153596U (en) * | 1974-10-22 | 1976-04-23 | ||
GB2193913A (en) * | 1986-08-18 | 1988-02-24 | Black & Decker Inc | Self-centering drill bit with pilot tip |
US5288183A (en) * | 1986-08-18 | 1994-02-22 | Black & Decker Inc. | Self-centering drill bit with pilot tip |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3711997A (en) * | 1971-07-06 | 1973-01-23 | A Kushigian | Automatic drill pointing machine with automatic drill locater system |
US3911629A (en) * | 1972-06-05 | 1975-10-14 | John C Steinmetz | Method for sharpening drills and other cutting tools |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US641107A (en) * | 1899-10-07 | 1900-01-09 | Buckeye Iron And Brass Works | Machine for grinding drills. |
US1656388A (en) * | 1925-03-09 | 1928-01-17 | Nielsen Holger | Grinding machine |
FR653775A (en) * | 1927-04-30 | 1929-03-27 | Ericsson Telefon Ab L M | Improvements to telephone systems including automatic telephone extensions of different systems |
DE517145C (en) * | 1928-09-02 | 1931-01-31 | Herbert William Hunt | Grinding and sharpening machine for cutting twist drills |
US2386687A (en) * | 1942-06-12 | 1945-10-09 | Jearum Frederick Charles | Grinding machine |
US2513694A (en) * | 1943-11-22 | 1950-07-04 | Genevoise Instr Physique | Thread grinding machine |
US2682736A (en) * | 1949-05-04 | 1954-07-06 | Johannes Cawi | Drill sharpening machine |
-
1958
- 1958-01-24 DE DEC16173A patent/DE1107114B/en active Pending
-
1959
- 1959-01-23 FR FR784819A patent/FR1224876A/en not_active Expired
- 1959-01-23 GB GB2642/59A patent/GB890807A/en not_active Expired
- 1959-01-23 CH CH6868859A patent/CH372225A/en unknown
-
1962
- 1962-01-15 US US166210A patent/US3158969A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5153596U (en) * | 1974-10-22 | 1976-04-23 | ||
GB2193913A (en) * | 1986-08-18 | 1988-02-24 | Black & Decker Inc | Self-centering drill bit with pilot tip |
GB2193913B (en) * | 1986-08-18 | 1990-05-16 | Black & Decker Inc | Self-centering drill bit with pilot tip |
US4968193A (en) * | 1986-08-18 | 1990-11-06 | Black & Decker Corporation | Self-centering drill bit with pilot tip |
US5288183A (en) * | 1986-08-18 | 1994-02-22 | Black & Decker Inc. | Self-centering drill bit with pilot tip |
Also Published As
Publication number | Publication date |
---|---|
US3158969A (en) | 1964-12-01 |
DE1107114B (en) | 1961-05-18 |
FR1224876A (en) | 1960-06-28 |
CH372225A (en) | 1963-09-30 |
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