FIELD: machine building.SUBSTANCE: case comprises a central wall and two side pans of sealing partitions, each of which comprises a corner preloaded against the part of the reinforcing fiber element, covering angles formed between the central wall and the case pans, and a connecting flange which is to be fixed on the corresponding case pan, flexible envelope forming a vacuum bag. Vacuum bag should be applied on at least part of the fibrous reinforcing element covering the central case wall. The case includes a tool for resin injecting into a space defined between the vacuum bag and the case, at a longitudinal end level of the reinforcing fiber element for extraction of it at the opposite end level.EFFECT: higher physical and mechanical properties of articles.9 cl, 4 dwg
