Back to results
US 11,473,225 B2Granted
Woven preform for producing a circumferential or toroidal reinforcement having an omega-shaped cross-section
AssigneeSafran Nacelles
InventorsJulien Lorrillard, Bertrand Desjoyeaux, Michel Rognant, Benjamin Provost
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a preform including a core and a sole includes contour weaving the preform on a lap roller having a groove or an outgrowth allowing shape weaving of the core and the sole of the preform. At least one portion of the core and at least one portion of the sole include weft yarns which cross each other on common warp yarns.
Claims19
A method for manufacturing a preform comprising a core and a sole, the method comprising:
- contour weaving the preform on a lap roller having a groove or an outgrowth allowing shape weaving of the core and the sole of the preform,
- wherein at least one portion of said core and at least one portion of said sole comprise weft yarns which cross each other on common warp yarns, and
- wherein weft yarns of said core form an angle different from 90° with at least one portion of warp yarns of said core.
Dependencies are inferred from the claim text.