FIELD: machine building.
SUBSTANCE: proposed cylinder consists of liner 1 and outer structural composite shell 2. Said liner comprises upper bottom 4 with longer neck 5, mid cylindrical part 5 and lower bottom 7 with element 8 intended for symmetric laying of helical layers in cylinder reinforcement. ID d1 of longer neck 5 is increased to make at least half the ID d2 of the liner mid cylindrical part 6. Element 8 intended for symmetric laying of helical layers in cylinder reinforcement is composed of neck with part-through bore 12, diametre d3 of bore 12 being equal to ID d1 of neck 5. Grooves 13 are made at the end of element 8, at its bottom part.
EFFECT: expanded operating performances, higher safety.
5 cl, 2 dwg
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