Method and apparatus for forming can end
US4305715A · kind A · utility
0Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 21, 1980 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | Feb 21, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31F1/0054
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for forming a smooth surface in the side seam area of the end of a convolute paperboard can body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.