Automatic cutting and winding apparatus for a web-like material such as a film
US4770358A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1987 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Mar 10, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S242/906
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In the known turret type automatic cutting and winding apparatus for automatically cutting a web-like material such as a film or the like, in order to eliminate scratches and/or uneven deformation which can be generated at a cut end portion of a web-like material during tapeless winding also to obviate creases which might occur in a mill roll, an electrostatic charging means is mounted on a swingable arm for giving electrostatic charge to a cut end portion of the web-like material and/or to a surface of a core, a cutter and a pair of press members are swingably mounted and oppose each other across the web-like material, and the arrangement is such that the press members may be positioned with the cutter when at a cutting position therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.