To provide a composite sash preventing formation of a gap between a resin frame material and an architrave material or between a vertical frame material and a horizontal frame material, and improving the aesthetic performance.
The composite sash comprises a frame body 1 having a metal frame body 2 assembled into a square-shaped frame and a resin frame material 3 provided to cover an interior side of the metal frame body 2. The resin frame material 3 has hollow areas formed to be hollow in cross section. At least one of the hollow areas is an interior side space 18 having an interior side wall 16 of the resin frame material 3 as a wall face. A resin positioning member 20 is arranged at a joint part of the resin frame materials 3. An end of the positioning member 20 is inserted and fitted to the interior side space 18 of one of the resin frame members 3 which is to be connected, and the other end side thereof is inserted and fitted to the interior side space 18 of the other one of the resin frame materials 3 which is to be connected. The positioning member 20 is provided with a positioning surface 23 arranged in a manner of abutting on both of the interior side wall 16 of the former resin frame material 3 and the interior side wall 16 of the latter resin frame material 3 so that it may define depth directional positions of them to be flush with each other.
OSOREDA YUKI
MIURA OSAMU
| JPS5831976Y2 | 1983-07-15 | |||
| JP3726948B2 | 2005-12-14 | |||
| JPS6349481Y2 | 1988-12-20 |
Koji Hirokawa