Web winding control system
US4146190A · kind A · utility
12Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1977 |
| Grant date | Mar 27, 1979 |
| Priority date | — |
| Expiry date | Dec 2, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H23/1955
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A web roll winder is driven by a variable torque output motor controlled by a spring biased dancer roll over which the web passes prior to winding; the dancer roll adjusts motor control means in response to the tension in the web for varying the torque output of the variable torque output motor for maintaining tension in the web within a desired range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.