Bottom sweep and rail unit for foam-filled doors

A unitized prefabricated bottom rail and bottom sweep assembly for foam-filled doors having metal skins thereon, said assembly comprising a channel cross section sheet metal bottom rail of lesser width than the thickness of the door which receives said assembly, and a bottom sweep of elastic material molded on the exterior surfaces only of the sheet metal bottom rail and permanently bonded thereto, said unitized assembly adapted for insertion in the bottom of a foam-filled door between the metal skins thereof in lieu of the customary wood bottom rail and separately attached sweep, and said channel cross section sheet metal bottom rail having a pair of top inclined upwardly converging flanges forming embedded anchors in a foam core of a foam-filled door, said bottom sweep having side wall portions covering the exterior faces of said embedded anchors.

In a foam-filled door having opposite side metal skins, a unitized bottom rail and bottom sweep assembly forming a closure for the bottom edge of the door, said assembly comprising a continuous channel cross section metallic bottom rail of lesser width than the thickness of the door between said metal skins, and a bottom sweep of elastic material molded directly onto the exterior surfaces of said metallic bottom rail in permanently bonded relation thereto and having bottom comparatively thick sweep ribs and side walls rising from said ribs, said unitized assembly including the sweep side walls and adjacent side wall portions of said channel cross section metallic bottom rail being inserted snugly between said metal skins and being embedded permanently in the foam core of said foam-filled door.