Thread cutting tools
US4752164A · kind A · utility
27Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1986 |
| Grant date | Jun 21, 1988 |
| Priority date | — |
| Expiry date | Dec 12, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/90473
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Chaser for cutting threads on a work piece, the chaser having thread cutting formations with crests and roots, one flank of each of said formations being relieved at a first angle from the region of the crest toward the root and being relieved at a greater angle in the region adjacent the root of the formation. The chasers may be provided in sets with odd numbered chasers being mirror images of the even numbered chasers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.