It possesses with the destal seal structural null door frame

摘要

PROBLEM TO BE SOLVED: To well secure sealing in corner parts between a folding door device and the vertical frames and the lower frame of a door frame.;SOLUTION: In this folding door device, a plurality of sealing members 15 are stored in series in a storage groove in the lower frame of the door frame for a folding door, and the sealing members are rotated and projected to seal between the lower part of the folding door and a floor surface. An end block 26 is fixed between the vertical frame 1c of the door frame and the end part of the sealing member. The end block comprises a vertical groove 30 accepting the lower end part of an airtight material 32 fitted to the vertical frame and a lateral groove 31 fitted to an airtight material 33 abutted on the end part of the airtight material 22 fitted to the sealing member. The lower end of the airtight material 32 in the vertical groove 30 is abutted on the upper surface of the airtight material 33 in the lateral groove 31.;COPYRIGHT: (C)2006,JPO&NCIPI