Insert for thread cutting
US5059069A · kind A · utility
15Cited by
10References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 1990 |
| Grant date | Oct 22, 1991 |
| Priority date | — |
| Expiry date | Feb 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/235
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A thread cutting insert comprises a block having along one edge thereof a plurality of teeth for successively cutting a thread in a workpiece. The teeth are of successively increasing heights from a first to a last of the teeth. The first tooth has a smoothly convexly curved cutting edge, and the remaining teeth have a multi-sided cutting edge defined by three sides of a trapezoid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.