摘要 |
FIELD: machine building.SUBSTANCE: invention relates to composite stiffness element made from blank of laminar directed composite strip. Stiffness element comprises cavity reinforced by insert wrapped by mounting glue. Surfaces of blanks around said cavity include composite fabric ply to be connected with said insert with the help of glue.EFFECT: higher hardness and resistance to tear-off force near cavity.10 cl, 18 dwg |