Methods of spin forming initially cylindrical containers and the like
US6442988B1 · kind B1 · utility
20Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2001 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | May 1, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D22/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of spin forming an open-ended container or other cylindrical metal workpiece by inserting a conically tapering mandrel coaxially therein and pressing the side wall of the workpiece against the inserted mandrel with plural symmetrically arranged forming discs while unidirectionally translating the workpiece, and independently translating the mandrel, relative to the forming discs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.