| 摘要 |
<p>A metal door (10) is made from a pair of identical facing sheets (11) and a pair of identical edge strips (14) which have interengaging formations (12). The facing sheets having edge formations (13) of channel-section facing towards the inner face of the sheet. The edge strips have channel-shaped edges provided on the outer side of the sheet so as to form a rebate at the edge of the door when the formations (13,15) are interengaged by sliding translational movement. Size and shape variations can be accommodated by using different facing sheets (11) or edge strips (14). <IMAGE></p> |
