Mullion portion in a unit type curtain wall

Details Mullion portion in a unit type curtain wall Mullion portion in a unit type curtain wall

E - Fixed Constructions

04

B

20/24

E04B 2/88 (2006.01) E04B 2/90 (2006.01)

Patent

CA 1194667

ABSTRACT A unit type curtain wall assembly has an array of standardized curtain wall units each having a passageway for air and another passageway for hot or cold water extending through its frame members for room temperature control. For sealing a gap between the opposed side frame members of every two horizon- tally adjoining curtain wall units so as to minimize the loss of heat energy, an indoor sealing band and a first outdoor sealing band are connected between the opposed side frame members to close the indoor and outdoor sides of the gap therebetween. A second outdoor sealing band is connected exteriorly of the first outdoor sealing band to provide another closed space therebetween so as to prevent heat transmission from the outside. The three sealing bands with the two intervening closed spaces constitute in combination an effective heat insulator. The sealing bands are engaged with the side frame members so as to allow the relative displacement of the curtain wall units in their own plane.

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