Patent ID: 6598359
Filing Date: 2003-07-29
Classification: E04B,E04H

Abstract:
An earthquake-immune exterior curtain wall system for use with a multi-story building structure, the wall system comprising:a plurality of anchor means for connecting the wall system to the building structure, each said anchor means adapted to being fixedly connected to the building structure for a single story of the multi-story building structure; a plurality of vertical mullions; connecting means for connecting each vertical mullion directly to only one of said anchor means so that each vertical mullion is fixedly connected to a single story of the multi-story building structure; a plurality of horizontal mullions connected between adjacent pairs of vertical mullions, said vertical and horizontal mullions collectively defining panel frames for each story; a plurality of exterior cladding panels secured to said vertical and horizontal mullions at the panel frames to define the exterior curtain wall system of the building structure; and flexible means comprising a flexible gasket for flexibly connecting upper horizontal mullions of each said panel frame connected to any one story to lower horizontal mullions of each said panel frame connected to the story immediately above the one story, and the gasket comprises a central portion connected between locking end portions, and the locking end portions are received in channels in the horizontal mullions.