Patent ID: 6032423
Filing Date: 2000-03-07
Classification: E04B

Abstract:
A curtain wall, comprising:bilateral mullions extending in a substantially vertical direction parallel to each other, each of said mullions having a hollow body, a projection plate integrally formed with the hollow body and projecting towards an outdoor side, and a transverse plate integrally formed at an end portion of the projection plate;a sash unit having a unit frame and a sash fitted to the unit frame, said unit frame having an upper frame member, a lower frame member, and a pair of vertical frame members connected to define a rectangular structure;supporting members provided to said mullions and supporting said sash unit frame;a fixing member fixing the sash unit frame to the mullions; andspacers disposed between an outdoor side portion of the vertical frame members and the transverse plate of the mullions, wherein each of said mullions has a recessed grove open to a width direction of the sash, said vertical frame members have a thickness narrower than an opening of the recessed groove so that each of the vertical frame members of the sash unit is fitted in said recessed groove of the mullions, and an insertion length of an indoor side of the vertical frame member in the recessed groove is smaller than a half of a depth of the indoor side portion of the recessed groove.