Improvements in sliding doors

摘要

565,938. Doors, MARSTON, G. S., and STATTER & CO., Ltd., J. G. May 17, 1943, No. 7817. [Class 20 (iii)] The sections d of a sliding door or panel move in channels b of V- section provided adjacent the upper and lower edges of the door, which is formed of sheet metal and has a fiange d<1> at each of its four edges.