METHOD OF MAKING PART FROM COMPOSITE MATERIAL HAVING BODY INTEGRAL WITH ONE OR MORE PLATFORMS Russian patent published in 2020 - IPC B29C70/22 B29C70/48 B29D99/00 F01D5/28 

FIELD: chemistry.

SUBSTANCE: invention relates to parts made from composite material, comprising a solid body together with at least one platform present on one of their ends. Such parts, in particular but not exclusively, refer to turbine engine blades with built-in inner and/or outer platforms for turbine nozzle or for set of compressor guide vanes. Method of producing part from composite material having body attached to at least one platform present on one end of said body, comprises using fibre bar to form workpiece for part to be made, by folding segments of second and third parts, which are not connected to first part, on opposite sides of first part, by forming folded segments of second and third parts so as to form parts of workpiece for platform of manufactured part, as well as folding segment of first part to fill groove, present in gap between second and third parts; and sealing said workpiece by means of a matrix in order to obtain a part made from composite material, having at least one integrated platform.

EFFECT: invention provides a simple method of making a part from composite material, having at least one component with it integral part of platform, which would have good strength both in compression and in tension.

7 cl, 13 dwg