| 摘要 |
<p>The invention concerns a composite channel section A, B, C, consisting of a metal channel section A with primarily static functions, a wooden lining piece C, C1, and a piece of plastic material B placed between the preceding parts, providing for mutual fastening with the possibility of uncoupling 5c the metal part A and possibilities of controlled transverse movement X between the metal part A and the plastic one B. A lining flange 7, of a piece with the plastic part B, makes it possible to provide a gasket 7a, possibly co-extruded, and to protect the wood in this zone. The locking tabs 5 covering at least partly the metal piece A have such a shape as to provide a zone of adherence with the plastic channel 9 for the installation of the hardware so as to completely cover the metal part A in the zone of the gap I between the gaskets 7a-8 applied to channel sections forming a frame and a window case. <IMAGE></p> |
