Machine for winding a fibrous material enabling alignment and off-centering control by image analysis
US9403325B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Sep 11, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/177
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A winding machine for winding a fiber texture onto an impregnation mandrel, includes: a take-up mandrel for storing and unwinding a fiber texture, the take-up mandrel having a substantially horizontal axis of rotation; an impregnation mandrel for receiving superposed layers of the fiber texture unwound from the take-up mandrel, the impregnation mandrel having an axis of rotation that is substantially horizontal and parallel to the axis of rotation of the take-up mandrel; a camera directed towards the fiber texture and the impregnation mandrel to examine the passage of warp tracer yarns and weft tracer yarns present in the fiber texture; an image-analysis module for determining the positions of the intersections of warp tracer yarns with the successive weft tracer yarns and comparing these determined positions with corresponding positions for the intersections of reference warp and weft tracer yarns, and determining an offset value for the fiber texture for each of these intersections; electric motors for driving the mandrels in rotation about their respective axes of rotation; and a control unit for controlling the electric motors for driving rotation of the mandrels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.