Roll changer and process for automatic roll change during stoppage
US6729573B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2002 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Sep 19, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2301/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A roll changer for a web-treating or -processing machine is set up for winding off a working web (A) to be treated or processed from a working roll (A) and for connecting a reserve web (V) from a reserve roll (R2) to the working web (A). The roll changer includes a first mount (1, 4) for the working roll (R1) and a second mount (2, 5) for the reserve roll (R2). A connecting device (10) connects the reserve web (V) to the working web (A). A holding device (21) is arranged downstream of the connecting device (10) along the web for fixing the working web (A). A pulling device (16), is arranged in a path of the working web (A) between the connecting device (10) and the holding device (21) and is set up to pull the working web (A) from the working roll (R1) during the stoppage of the working roll (R1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.