| 摘要 |
PROBLEM TO BE SOLVED: To provide a double sliding sash capable of foaming a heating foaming material for blocking up an opening part formed on a bottom rail for installing a regulation part so as not to part a hollow part of the bottom rail.SOLUTION: A double sliding sash comprises a frame body provided in an opening part of a structure, a sash 3A slidably provided inside the frame body via a door roller part (a door roller) 8 and a small opening stopper (a regulation part) 59 for regulating opening-closing operation of the sash 3A. The door roller part 8 and the small opening stopper 59 are stored in a hollow part (a first hollow part) 54 formed inside a bottom rail 5 of the sash 3A. The bottom rail 5 is formed with an opening part 56a for arranging the small opening stopper 59 by communicating the hollow part 54 and an external part, and is provided with a small opening stopper heating foaming material (a first heating foaming material) 92 so as to block up the opening part 56a when heated and so as not to part the hollow part 54.SELECTED DRAWING: Figure 6 |
