Print drum with alignment marks
US5027702A · kind A · utility
1Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Oct 10, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J13/32
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Print drums are described wherein a special "alignment character" is placed, along with print-symbols, on the surface of the print drum, mixed-in with at least one of the character sets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.