High speed coolant feeding gun drill and cutting head section therefor
US4137002A · kind A · utility
14Cited by
15References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1977 |
| Grant date | Jan 30, 1979 |
| Priority date | — |
| Expiry date | Dec 5, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/455
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A straight fluted gun drill having large flutes providing chip exit channels, various reliefs improving coolant flow and removal of drilled material without clogging, a cutting head section with large back taper, and straight lands forming the flutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.