Title:
Apparatus for forming cup-shaped members
United States Patent 3312098
Inventors:
Henrickson, Henry G.
Publication Date:
04/04/1967
Assignee:
KAISER ALUMINIUM CHEM CORP
International Classes:
B21D22/24; B21D22/20
US Patent References:
| 3147724 | Wrinkle-free metal shells and the production thereof from flat metal sheets | | | |