Internal helical broaching tool
US12311453B2 · kind B2 · utility
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5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2019 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Oct 7, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D43/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An internal helical broaching tool has a pre-broaching tool portion ex-tending in one broaching direction and a subsequent precise sizing tool portion. The latter, as a whole, is made of a hard metal with a density of greater than 10 g/cm3. This results in an internal helical broaching tool with increased service life at a defined machining performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.