Method and apparatus for lifting and die-cutting signatures in saddle format
US5297784A · kind A · utility
2Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1992 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Oct 26, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/0476
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus of in-line die-cutting in saddle signature gathering wherein signature sets are gathered on a gathering chain to form signature sets. The signature set is grasped by a pair of belts which lift the signature off the gathering line so that a portion of the signature set along the spine thereof may be removed by a die-cutting pair of plates located above the gathering line. The signature sets may be stopped as lifting and cutting occurs. After lifting and cutting the signature set is replaced on the gathering line for further processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.