Apparatus and method of tensioning a flat web of material to be conveyed, by means of a rotary speed difference
US6871850B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 5, 2000 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | May 5, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H20/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention concerns an apparatus and a method of tensioning a flat web of material to be conveyed, in particular in a printing and dispensing device for labels, which includes: a drive for advancing and retracting the flat web of material, and at least one advance unit and at least one braking unit having a braking roller which are in contact with the web of material and which are drivable by the drive means. It is further provided that the drive has a drive motor that is drivingly connected to the advance unit and the braking unit and that, in a conveyor operation in the advance direction of the web of material, the braking roller of the braking unit is uncoupled from the drive motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.