| 摘要 |
The invention concerns a joint wherein inside the second extruded profile (5) and along part at least of the length thereof is housed a third extruded profile (7), with U-shaped cross-section, of reduced dimensions compared to those of the second extruded profile (5) and whereof the ends of the branches are also adjacent to the same wing or at the base of the first extruded profile (1), said third extruded profile (7) being likewise made of an elastically deformable material and being designed to counter local resistance to compressive effort exerted by the opening, while reinforcing sealing and soundproof conditions at the opening frame.
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