| 摘要 |
<p>FOAM FILLED DOOR WITH UNITIZED BOTTOM RAIL AND BOTTOM SWEEP A foam-filled door with a unitized bottom rail and bottom sweep assembly in which the assembly comprises a continuous channel cross section rail of lesser width than the thickness of the door between the metal skins and a bottom sweep of elastic material molded directly onto the exterior surface of the metallic bottom rail, permanently bonded to it and having comparatively thick sweep ribs with side walls rising from the ribs. The side walls of the sweep and adjacent side wall portion of the bottom rail are inserted snugly between the metal skins of the door and embedded permanently in the foam core of the door. The metallic bottom rail may include upper angled converging flanges forming anchor elements with the foam core.</p> |
