| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sash having an insulation structure using a bridge member, without preventing a frame body from being slimmed. <P>SOLUTION: Inner and outer sashes are fitted in a frame body 1 of a rectangular framework in a double sliding state. The frame body 1 comprises an outdoor frame member 20 made of metal to which the inner and outer sashes are fitted in, an indoor frame member 21 made of metal that constitutes an indoor side of the frame body 1, and a bridge member 22 made of resin that connects the both frame members. Two bridge members 22 are arranged along a longitudinal direction of respective four sides of the frame body 1. Each of the outdoor frame member 20 and the indoor frame member 21 includes a fixing face part 23 having a recess 23a for fitting the bridge member 22 at a position opposite to each other. An inner peripheral surface of each of the outdoor frame member 20 and the indoor frame member 21 includes a bridge member cover 24 disposed across the fixing face parts for preventing the bridge member 22 from being exposed. The bridge member cover 24 is fitted in between the fixing face parts to be fixed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
