| 摘要 |
FIELD: building, particularly profile systems for closing window and door openings. ^ SUBSTANCE: profile comprises longitudinal walls forming cavity for metal reinforcement member arrangement. At least one wall is inclined to profile axis. Reinforcement member has outer and inner shoulders comprising inner and outer longitudinal sides. Sides are connected with transversal ribs and define chambers. Inner profile shoulder has at least one longitudinal rib located between outer and inner longitudinal profile walls. Inner side of inner shoulder is arc-shaped. ^ EFFECT: increased heat-insulation properties. ^ 2 cl, 1 dwg |
