FIELD: machine building.
SUBSTANCE: invention relates to HP casings from composite materials used, in particular, in propulsion plants, and can be also used in all structures of the machine building and chemical industries, where casings for gaseous and liquid mediums are used. HP casing from the composite materials contains a pressure shell 1 with the cylindrical part 2 and convex heads 3 and 4, made by combination of layers 5 and 6 respectively of the crossing spiral 7 and ring 8 bands, oriented in spiral and ring directions, out of continuous unidirectional braids (threads), connected by the polymer couplant, with flanges 9 and 10 installed in pole holes of the heads 3 and 4 lined from inside by the protective coating 11, in which over the surface of the protective coating a thinned layer 12 is located.
EFFECT: invention increases structure reliability due to stability of the received thicknesses of the protective coating.
3 cl, 2 dwg
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