Integrated window and wall system

Claim 1

A window and wall system comprising a horizontally extending, ladder-like outer metal member and a correspondingly shaped ladder-like inner metal member spaced therefrom in confronting relationship, the upper longitudinal portions of said ladder-like metal members comprising head portions, the lower longitudinal portions comprising sill portions, and the vertically extending cross portions bridging said head and sill portions comprising mullion portions, upper insulating wall panel sandwiched between the head portions and lower insulating wall panel sandwiched between the sill portions; the head portion of said ladder-like outer metal member having an inner wall, an integral flange extending from an intermediate portion of said inner wall in a slight angularly upward direction and terminating in a vertically upwardly extending support for the inner lower edge of said insulating wall panels and to form gutters for water drainage, the sill portion of said ladder-like outer metal member having an inner wall, an integral flange emerging from an intermediate portion of said last mentioned inner wall in a slight angularly upward direction and terminating in a vertically upwardly extending support, a plurality of windows sandwiched between said inner metal wall of said ladder-like outer metal member and said vertically upwardly extending support of said outer and inner metal walls in the openings thereof, thermal insulation between said last mentioned support and the lower edges of said windows and between said ladder-like outer and inner metal members to prevent conduction of cold or heat there between and bridging means for bridging together end-to-end lengths of said ladder-like outer and inner metal members to provide an extended horizontal row of windows separated by said mullions.