Method of and apparatus for manufacturing shaft
US8051694B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2008 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Sep 9, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K17/22
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A shaft manufacturing apparatus includes a first drawing die having a cylindrical first cavity defined therein which is open at both ends thereof and a second drawing die having a cylindrical second cavity defined therein which is open at one end thereof. The angle formed between a first tapered part of the first drawing die and the axis of the first cavity is greater than the angle formed between a second tapered part of the second drawing die and the axis of the second cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.