WINDOW STRUCTURE FOR CLEAN ROOM

摘要

PROBLEM TO BE SOLVED: To facilitate attachment having airtightness on a window body, prevent the occurrence of gas from a packing and suppress the adhesion or the like of impurities or the like for the packing. SOLUTION: An attaching projection 13 is provided toward inward of an opening for a window 2 on an attaching reinforcing material 10 fixed at the proper position of the inner peripheral face of the opening for the window 2 provided on a panel constituting the wall part of a clean room. The attaching part 22 of a first packing adhered on at least the indoor side 50b of a glass plate 50 and the attaching part 23 of a second packing 62 adhered on the side of the panel 1 are provided on a window frame 20 provided on the side of the room inside 40 of the clean room, and an engaging part 24 engaged with the indoor side 40b of the attaching projection 13 is provided. The attaching projection 13 of the attaching reinforcing material 10 and the engaging part 24 of the window frame 20 are tightened by a tightening screw 70.