Progressive deep-drawing machine
US6003359A · kind A · utility
10Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1999 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Apr 22, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D22/208
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Index-feed deep drawing apparatus comprising a feeding device for intermittently indexing a long-sized work piece, wound in a hoop, in the longitudinal direction, and a plurality of punch/die sets disposed in the feeding direction of the work piece and adapted to sequentially carry out deep drawing at least on the work piece, in which an annealing device adapted to allow the work piece to pass is provided between the deep drawing punch/die sets so as to subject the work piece to intermediate annealing treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.