Dual web singulating cutter
US5953971A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 23, 1997 |
| Grant date | Sep 21, 1999 |
| Priority date | — |
| Expiry date | Sep 23, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/6491
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for producing an array of individual business forms from a web allow two or more sets of forms from a single web to be formed and integrated in a final array, preferably an in seriatim array with a spacing between the individual forms. A web at least two sheets wide is moved in a first direction and slit to produce at least two web sections. The two web sections are redirected so that they move in different paths, such as by stationary curved surfaces that are vertically spaced from each other and disposed at different angles to the horizontal. Typically the web sections are redirected so that they are substantially vertically aligned with each other. Then the two web sections are cut into individual sheets and the individual sheets are redirected and combined into a single array of sheets with alternating sheets in the array from alternating web sections. During redirecting and combining the sheets are sped up substantially immediately after cutting so that they move at a new speed which is at least twice as great as the earlier speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.