Splicing device for a continuous unwind stand
US5709355A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Feb 15, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2301/41361
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A splicing device for a continuous unwind stand for splicing a web of a new machine reel at full speed with a web of a machine reel being emptied including a frame, a first splicing roll and a second roll, the web of the machine reel being emptied running over the first and second rolls, and an elongate lever member having first and second opposed ends. The first roll is mounted at the first end and the second roll is mounted at the second end of the lever and the lever is pivotally mounted to the frame for pivoting between a first basic running position in which the first roll is spaced from the new machine reel and a second splicing position in which the first roll is in nip-defining engagement with the new machine reel and the new machine reel is spliced to the web of the machine reel being emptied. The lever pivots about an articulation point situated between a central axis of the first roll and a central axis of the second roll. The location of the articulation point is selected such that the length of a run of the web from a separation point on the machine reel being emptied to the guide roll is substantially constant during splicing and during unwinding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.